{"id":6473,"date":"2024-08-07T13:01:03","date_gmt":"2024-08-07T05:01:03","guid":{"rendered":""},"modified":"2024-08-07T13:01:03","modified_gmt":"2024-08-07T05:01:03","slug":"\u4ec0\u4e48\u662f\u6a21\u5757\u5316\uff0c\u600e\u4e48\u5199\u4e00\u4e2a\u597d\u7684C\u8bed\u8a00\u6a21\u5757\uff1f\u901a\u8fc7\u6807\u51c6\u5e93\uff0c\u5f00\u6e90\u5e93\uff0c\u9a71\u52a8\u5e93\u5b66\u4e60","status":"publish","type":"post","link":"https:\/\/mushiming.com\/6473.html","title":{"rendered":"\u4ec0\u4e48\u662f\u6a21\u5757\u5316\uff0c\u600e\u4e48\u5199\u4e00\u4e2a\u597d\u7684C\u8bed\u8a00\u6a21\u5757\uff1f\u901a\u8fc7\u6807\u51c6\u5e93\uff0c\u5f00\u6e90\u5e93\uff0c\u9a71\u52a8\u5e93\u5b66\u4e60"},"content":{"rendered":"<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display: none;\"> \n <path stroke-linecap=\"round\" d=\"M5,0 0,2.5 5,5z\" id=\"raphael-marker-block\" style=\"-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\"><\/path> \n<\/svg> <\/p>\n<div class=\"toc\">\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>\u4ec0\u4e48\u662f\u6a21\u5757\u5316<\/li>\n<li>\n<ul>\n<li>1\u4ec0\u4e48\u662f\u6a21\u5757\u5316<\/li>\n<li>2\u4e3a\u5565\u8981\u7528\u6a21\u5757\u5316<\/li>\n<li>\u6a21\u5757\u5316\u5177\u4f53\u539f\u7406\uff1a<\/li>\n<li>3\u6a21\u5757\u5316\u57fa\u672c\u4ee3\u7801\u5b9e\u73b0\uff1a<\/li>\n<li><\/li>\n<li>c\u8bed\u8a00\u4e2d\u6761\u4ef6\u7f16\u8bd1\u76f8\u5173\u7684\u9884\u7f16\u8bd1\u6307\u4ee4<\/li>\n<li>4\u6a21\u5757\u5316\u7f16\u7a0b\u6ce8\u610f\u4e8b\u9879<\/li>\n<\/ul>\n<\/li>\n<li>\u5916\u8bbe\u5e93\uff0c\u786c\u4ef6\u5e93\uff0c\u9a71\u52a8\u5e93<\/li>\n<li>\n<ul>\n<li>stm32f10x_gpio.h<\/li>\n<li>stm32f10x_gpio.c<\/li>\n<\/ul>\n<\/li>\n<li>\u5f00\u6e90\u5e93\uff0c\u8f6f\u4ef6\u5e93\uff0c\u7ec4\u4ef6\u5e93<\/li>\n<li>\n<ul>\n<li>lwrb.h<\/li>\n<li>lwrb.c<\/li>\n<\/ul>\n<\/li>\n<li>\u6807\u51c6\u5e93\uff0c\u7cfb\u7edf\u5e93<\/li>\n<li>\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<h3>\u4ec0\u4e48\u662f\u6a21\u5757\u5316<\/h3>\n<h4>1\u4ec0\u4e48\u662f\u6a21\u5757\u5316<\/h4>\n<p>\u6a21\u5757\u5316\u7f16\u7a0b\u5c31\u662f\u628a\u6211\u4eec\u7684\u4e00\u6574\u4e2a\u9879\u76ee\uff0c\u5206\u6210\u5f88\u591a\u6a21\u5757(\u6bd4\u5982\u4e00\u4e2a\u5b66\u751f\u6210\u7ee9\u67e5\u8be2\u53ef\u4ee5\u5206\u4e3a\uff0c\u767b\u9646\uff0c\u67e5\u8be2\uff0c\u4fee\u6539\u4fdd\u5b58\uff0c\u9000\u51fa\u7b49\u6a21\u5757)<\/p>\n<p>\u800c\u4e00\u4e2a\u7a0b\u5e8f\u5de5\u7a0b\u5305\u542b\u591a\u4e2a\u6e90\u6587\u4ef6\uff08.c \u6587\u4ef6\u548c .h \u6587\u4ef6\uff09\uff0c\u6bcf\u4e2a .c \u6587\u4ef6\u53ef\u4ee5\u88ab\u79f0\u4e3a\u4e00\u4e2a\u6a21\u5757\uff0c\u6bcf\u4e00\u4e2a\u6a21\u5757\u90fd\u6709\u5176\u5404\u81ea\u7684\u529f\u80fd\uff0c\u800c\u6bcf\u4e00\u4e2a.h\u6587\u4ef6\u5219\u662f\u58f0\u660e\u8be5\u6a21\u5757\uff0c\u76f8\u5f53\u4e8e\u529f\u80fd\u8bf4\u660e\u4e66 \u6a21\u5757\u5316\u7f16\u7a0b\u5728\u5d4c\u5165\u5f0f\u4e2d\u4e3a\u5fc5\u987b\u8981\u638c\u63e1\u7684\u6280\u80fd<\/p>\n<h4>2\u4e3a\u5565\u8981\u7528\u6a21\u5757\u5316<\/h4>\n<p>\u6709\u7684\u540c\u5b66\u4f1a\u60f3\uff0c\u6211\u4e00\u4e2amain.c\u4e5f\u5199\u5f97\u6d25\u6d25\u6709\u9053\u7684\uff0c\u4e3a\u4ec0\u4e48\u504f\u8981\u5206\u5f00\u5462\u3002<\/p>\n<p>\u5728\u6211\u4eec\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5f53\u4f60\u7684\u4ee3\u7801\u957f\u5ea6\u957f\u8d77\u6765\u4e86\u4ee5\u540e\u5c31\u4f1a\u53d1\u73b0\uff0c\u60f3\u81ea\u5df1\u4ee5\u524d\u7684\u4ee3\u7801\u91cc\u9762\u627e\u5230\u4e4b\u524d\u5b9a\u4e49\u7684\u6a21\u5757\u5f88\u9ebb\u70e6\uff0c\u56e0\u4e3a\u4ee3\u7801\u592a\u591a\u592a\u7e41\u6742\u4e86\uff0c\u4f60\u5f88\u96be\u6709\u4e00\u4e2a\u6e05\u6670\u7684\u5206\u7c7b\uff0c\u8fd9\u5c31\u5bfc\u81f4\u4e86\u4ee3\u7801\u7684\u81c3\u80bf\u6027\uff0c\u5e76\u4e14\u522b\u4eba\u4e5f\u5f88\u96be\u770b\u61c2\u4f60\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u5e76\u4e14\u5728\u5b9e\u9645\u9879\u76ee\u5f00\u53d1\u7684\u65f6\u5019\uff0c\u4e00\u4e2a\u590d\u6742\u7684\u9879\u76ee\u610f\u5473\u7740\u4f60\u9700\u8981\u548c\u522b\u4eba\u7ec4\u6210\u5c0f\u7ec4\u4e00\u8d77\u8fdb\u884c\u5f00\u53d1\uff0c\u8fd9\u65f6\u5019\u6bcf\u4e2a\u4eba\u8d1f\u8d23\u4e00\u90e8\u5206\u529f\u80fd\u7684\u5f00\u53d1\uff0c\u800c\u4f60\u6240\u8d1f\u8d23\u7684\u6a21\u5757\uff0c\u4f60\u9700\u8981\u5c06\u4f60\u8d1f\u8d23\u7684\u6a21\u5757\u529f\u80fd\u5199\u597d\uff0c\u5c01\u88c5\u597d\uff0c\u4e4b\u540e\u5f62\u6210\u4e00\u4e2a.c\u4e0e.h \u7136\u540e\u4ea4\u4ed8\u7ed9\u9879\u76ee\u7ec4\u957f\uff0c\u7ec4\u957f\u5219\u8d1f\u8d23\u6574\u4f53\u6846\u67b6(main)\u7684\u7f16\u5199\u4e0e\u5404\u4e2a\u6a21\u5757\u7684\u7ec4\u5408\u8c03\u8bd5\uff0c\u6700\u540e\u5404\u4e2a\u6a21\u5757\u7684\u7ec4\u5408\uff0c\u5f62\u6210\u4e86\u6574\u4e2a\u5de5\u7a0b\u3002<\/p>\n<p><strong>\u8fd9\u65f6\u5019\u5c31\u53ef\u4ee5\u5f70\u663e\u6a21\u5757\u5316\u7684\u4f5c\u7528\u4e86\uff0c\u5b83\u4f7f\u5f97\u6574\u4e2a\u9879\u76ee\u5206\u5de5\u660e\u786e\uff0c\u6761\u7406\u6e05\u6670\uff0c\u6613\u4e8e\u9605\u8bfb\uff0c\u4fbf\u4e8e\u79fb\u690d\uff0c\u7b49\u4f18\u70b9<\/strong><\/p>\n<h4>\u6a21\u5757\u5316\u5177\u4f53\u539f\u7406\uff1a<\/h4>\n<p>\u6211\u4eec\u5728\u5199C\u8bed\u8a00\u4ee3\u7801\u7684\u65f6\u5019\uff0c\u9996\u5148\u505a\u7684\u5c31\u662f<strong>\u5f15\u5165\u5934\u6587\u4ef6<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/2019102419131649.png\" =\"\" =\"img\" alt=\"\u4ec0\u4e48\u662f\u6a21\u5757\u5316\uff0c\u600e\u4e48\u5199\u4e00\u4e2a\u597d\u7684C\u8bed\u8a00\u6a21\u5757\uff1f\u901a\u8fc7\u6807\u51c6\u5e93\uff0c\u5f00\u6e90\u5e93\uff0c\u9a71\u52a8\u5e93\u5b66\u4e60 (https:\/\/mushiming.com\/)  \u7b2c1\u5f20\" title=\"\u4ec0\u4e48\u662f\u6a21\u5757\u5316\uff0c\u600e\u4e48\u5199\u4e00\u4e2a\u597d\u7684C\u8bed\u8a00\u6a21\u5757\uff1f\u901a\u8fc7\u6807\u51c6\u5e93\uff0c\u5f00\u6e90\u5e93\uff0c\u9a71\u52a8\u5e93\u5b66\u4e60  \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p><strong>\u5728\u76f8\u5bf9\u5e94\u7684\u5934\u6587\u4ef6\u5f15\u5165\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u76f8\u5bf9\u5e94\u5934\u6587\u4ef6\u91cc\u7684\u51fd\u6570\uff0c<\/strong><\/p>\n<p><strong>\u6bd4\u5982 #include&lt;stdio.h&gt;<\/strong><\/p>\n<p><strong>\u4e4b\u540e\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528printf scanf \u8bed\u53e5\u8fdb\u884c\u6570\u636e\u7684\u6253\u5370\u4e0e\u83b7\u53d6\uff0c\u800cprintf\u548cscanf\u8bed\u53e5\u7684\u5b9a\u4e49\u5219\u662f\u5728stdio.h\u4e2d\uff0c\u7528\u6237\u53ea\u9700\u8981\u8d1f\u8d23\u8c03\u7528\u5373\u53ef<\/strong><\/p>\n<p><strong>\u6a21\u5757\u5316\u7f16\u7a0b\u7684\u6838\u5fc3\u601d\u60f3\u4e5f\u6b63\u662f\u5982\u6b64\uff1a \u5c06\u7cfb\u7edf\u7684\u5404\u4e2a\u529f\u80fd\u8fdb\u884c\u5c01\u88c5\uff0c\u53d8\u6210\u4e00\u4e2a\u4e2a\u72ec\u7acb\u7684\u6a21\u5757\uff0c\u5176\u4ed6\u4eba\u53ea\u9700\u8981\u4f7f\u7528\u4f60\u6240\u63d0\u4f9b\u7684\u51fd\u6570\u548c\u53d8\u91cf\u7b49\uff0c\u5c31\u53ef\u4ee5\u5b8c\u6210\u76f8\u5bf9\u5e94\u7684\u529f\u80fd<\/strong><\/p>\n<p>\u6a21\u5757\u5316\u7684\u672c\u8d28\u4e5f\u5c31\u662f\uff0c\u65b0\u5efa\u4e00\u4e2a.c\u548c.h\u6587\u4ef6\uff0c<\/p>\n<p><strong>.c\u6587\u4ef6\u91cc\u9762\u5b58\u653e\u7740\u4f60\u6240\u6784\u5efa\u7684\u51fd\u6570\uff0c\u529f\u80fd\uff0c\u7b49\u7b49\uff0c\u800c\u5f53\u4f60\u60f3\u8ba9\u4ed6\u53ef\u4ee5\u88ab\u5176\u4ed6\u6587\u4ef6\u4f7f\u7528\u65f6\uff0c\u8fd9\u65f6\u5019\u4fbf\u9700\u8981\u5728\u5bf9\u5e94\u7684.H\u4e4b\u4e2d\u58f0\u660e\uff0c<\/strong><\/p>\n<p><strong>\u5728\u5916\u90e8\u8c03\u7528\u65f6\uff0c\u53ea\u9700\u8981#include\u5305\u542b\u76f8\u5bf9\u5e94\u7684.h \u5373\u53ef<\/strong><\/p>\n<p>\u5177\u4f53\u53ef\u4ee5\u9605\u8bfb\uff1a\u3010C\u8bed\u8a00\u3011----\u5b8f\u5b9a\u4e49\uff0c\u9884\u5904\u7406\u5b8f<\/p>\n<h4>3\u6a21\u5757\u5316\u57fa\u672c\u4ee3\u7801\u5b9e\u73b0\uff1a<\/h4>\n<p>\u6211\u4eec\u4ee5\u6700\u7b80\u5355\u7684LED\u4e3a\u4f8b \uff0c\u5c06\u5176\u5206\u4e3a\u4e00\u4e2a\u6a21\u5757<\/p>\n<p><strong>LED.h<\/strong><\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-c\"><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">LED<span class=\"token punctuation\">.<\/span>h<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">LED<\/span><span class=\"token expression\"><span class=\"token punctuation\">.<\/span>h<\/span><\/span> <span class=\"token keyword\">extern<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">LED_Open<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u5f00\u542fLED\u706f <\/span> <span class=\"token keyword\">extern<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">LED_Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u5173\u95edLED\u706f<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span> <\/code><\/pre>\n<p><strong>LED.c<\/strong><\/p>\n<pre><code class=\"prism language-c\"><span class=\"token keyword\">void<\/span> <span class=\"token function\">LED_Open<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u4eae\u706f\u4ee3\u7801<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">LED_Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u5173\u706f\u4ee3\u7801<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<p><strong>main.c \u4e3b\u51fd\u6570<\/strong><\/p>\n<pre><code class=\"prism language-c\"><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">\"LED.h\"<\/span><\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">LED_Open<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u5f00\u542fLED\u706f<\/span> <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<p>\u8fd9\u6837\u5b50\u4f60\u7684LED\u90e8\u5206\u7684\u4ee3\u7801\u5c31\u4f1a\u72ec\u7acb\u8d77\u6765\uff0c\u9700\u8981\u4f7f\u7528\u65f6\u76f4\u63a5\u8c03\u7528\u51fd\u6570\u5373\u53ef\uff0c\u4fee\u6539\u4e5f\u4f1a\u53d8\u5f97\u5341\u5206\u7b80\u4fbf<\/p>\n<p><strong>\u6a21\u5757\u5316\u7684\u6838\u5fc3\u4e5f\u5c31\u662f\u5404\u4e2a\u6a21\u5757\u72ec\u7acb\u5c01\u88c5\uff0c\u591a\u4e2a.c\u548c.h \u4f7f\u5f97\u6574\u4e2a\u5de5\u7a0b\u53d8\u5f97\u6613\u4e8e\u9605\u8bfb\uff0c\u903b\u8f91\u6e05\u6670<\/strong><\/p>\n<p>\u6211\u4eec\u5206\u5e03\u8bb2\u89e3<\/p>\n<p>\u9996\u5148<\/p>\n<p><strong>#ifndef XXX \u8868\u793a\u5982\u679c\u6ca1\u6709\u5b9a\u4e49 xxx \u5219\u6267\u884c\u540e\u9762\u7684\u8bed\u53e5 \u5982\u679c\u5df2\u7ecf\u5b9a\u4e49\u5219\u4e0d\u6267\u884c\uff0c<\/strong><\/p>\n<p><strong>#define xxx \u5b9a\u4e49\u4e00\u4e2a\u9884\u5904\u7406\u5b8f\u5b9a\u4e49\uff0c<\/strong><\/p>\n<p><strong>#endif \u8868\u793a\u6761\u4ef6\u547d\u4ee4\u7684\u7ed3\u675f<\/strong><\/p>\n<p><strong>\u6211\u4eec\u8fd9\u91cc#ifndef LED.h #define LED.h \u8868\u793a\u5982\u679c\u6ca1\u6709\u5b9a\u4e49LED.H\u8fd9\u4e2a\u5934\u6587\u4ef6\uff0c\u5219\u5b9a\u4e49LED.h \u5e76\u4e14\u540e\u9762\u7684\u8bed\u53e5\u90fd\u6709\u6548\uff0c\u76f4\u5230#endif \u7ed3\u675f\u547d\u4ee4\u4e3a\u6b62<\/strong><\/p>\n<p>\u540c\u65f6\u58f0\u660e\u4e86\u5f00LED\u706f\u548c\u5173LED\u706f\u4e24\u4e2a\u51fd\u6570<\/p>\n<p>\u5177\u4f53\u683c\u5f0f\u4e3a\uff1a<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-c\"> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">_XXX_h_<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">_XXX_h_<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span> <\/code><\/pre>\n<p>.c\u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre class=\"language-java prettyprint linenums\"><code>#include \"XXX.h\" <\/code><\/pre>\n<p><strong>.C\u6587\u4ef6<\/strong><\/p>\n<p>\u4e4b\u540eLED.c\u6587\u4ef6\u5219\u662f\u4f60\u6240\u6784\u5efa\u7684\u51fd\u6570\uff0c\u5b8c\u6210\u51fd\u6570\u529f\u80fd\u7684\u7f16\u5199\uff0c\u548c\u53d8\u91cf\u7684\u5b9a\u4e49<\/p>\n<p>\u6700\u540e<strong>\u5728\u4e3b\u51fd\u6570\u6216\u8005\u5176\u4ed6\u51fd\u6570\u4e2d #include LED.h \u5305\u542b\u5934\u6587\u4ef6\uff0c\u5373\u53ef\u8c03\u7528\u76f8\u5bf9\u5e94\u58f0\u660e\u7684\u51fd\u6570\u548c\u53d8\u91cf<\/strong><\/p>\n<p><strong>\u8fd9\u4fbf\u662f\u4e00\u4e2a\u6a21\u5757\u7684\u6784\u5efa\uff0c\u800c\u6784\u5efa\u591a\u4e2a\u6a21\u5757\u5b9e\u73b0\u5176\u5404\u81ea\u529f\u80fd\uff0c\u5e76\u4e14\u5728\u4e3b\u51fd\u6570\u4e2d\u5206\u522b\u8c03\u7528\uff0c\u8fd9\u4fbf\u662f\u6a21\u5757\u5316\u7f16\u7a0b<\/strong><\/p>\n<p>\u6bd4\u5982\u6211\u60f3\u8981\u5efa\u7acb\u4e00\u4e2a\u5b66\u751f\u6210\u7ee9\u7ba1\u7406\u7cfb\u7edf\uff0c\u5c31\u53ef\u4ee5\u5206\u6210\u51e0\u4e2a\u6a21\u5757\uff0c<strong>\u5206\u522b\u5efa\u7acb\u76f8\u5bf9\u5e94\u7684.c\u6587\u4ef6\u548c.h\u6587\u4ef6\uff0c\u6700\u540e\u5728\u4e3b\u51fd\u6570\u4e2d\u8c03\u7528\u76f8\u5bf9\u5e94\u529f\u80fd\u5373\u53ef<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20191024192913632.png\" =\"\" =\"img\" alt=\"\u4ec0\u4e48\u662f\u6a21\u5757\u5316\uff0c\u600e\u4e48\u5199\u4e00\u4e2a\u597d\u7684C\u8bed\u8a00\u6a21\u5757\uff1f\u901a\u8fc7\u6807\u51c6\u5e93\uff0c\u5f00\u6e90\u5e93\uff0c\u9a71\u52a8\u5e93\u5b66\u4e60 (https:\/\/mushiming.com\/)  \u7b2c2\u5f20\" title=\"\u4ec0\u4e48\u662f\u6a21\u5757\u5316\uff0c\u600e\u4e48\u5199\u4e00\u4e2a\u597d\u7684C\u8bed\u8a00\u6a21\u5757\uff1f\u901a\u8fc7\u6807\u51c6\u5e93\uff0c\u5f00\u6e90\u5e93\uff0c\u9a71\u52a8\u5e93\u5b66\u4e60  \u7b2c2\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h4><\/h4>\n<h4>c\u8bed\u8a00\u4e2d\u6761\u4ef6\u7f16\u8bd1\u76f8\u5173\u7684\u9884\u7f16\u8bd1\u6307\u4ee4<\/h4>\n<p>***#define \u5b9a\u4e49\u4e00\u4e2a\u9884\u5904\u7406\u5b8f<br \/> #undef \u53d6\u6d88\u5b8f\u7684\u5b9a\u4e49<\/p>\n<p>#if \u7f16\u8bd1\u9884\u5904\u7406\u4e2d\u7684\u6761\u4ef6\u547d\u4ee4\uff0c\u76f8\u5f53\u4e8eC\u8bed\u6cd5\u4e2d\u7684if\u8bed\u53e5<br \/> #ifdef \u5224\u65ad\u67d0\u4e2a\u5b8f\u662f\u5426\u88ab\u5b9a\u4e49\uff0c\u82e5\u5df2\u5b9a\u4e49\uff0c\u6267\u884c\u968f\u540e\u7684\u8bed\u53e5<br \/> #ifndef \u4e0e#ifdef\u76f8\u53cd\uff0c\u5224\u65ad\u67d0\u4e2a\u5b8f\u662f\u5426\u672a\u88ab\u5b9a\u4e49<br \/> #elif \u82e5#if, #ifdef, #ifndef\u6216\u524d\u9762\u7684#elif\u6761\u4ef6\u4e0d\u6ee1\u8db3\uff0c\u5219\u6267\u884c#elif\u4e4b\u540e\u7684\u8bed\u53e5\uff0c\u76f8\u5f53\u4e8eC\u8bed\u6cd5\u4e2d\u7684else-if<br \/> #else \u4e0e#if, #ifdef, #ifndef\u5bf9\u5e94, \u82e5\u8fd9\u4e9b\u6761\u4ef6\u4e0d\u6ee1\u8db3\uff0c\u5219\u6267\u884c#else\u4e4b\u540e\u7684\u8bed\u53e5\uff0c\u76f8\u5f53\u4e8eC\u8bed\u6cd5\u4e2d\u7684else<br \/> #endif #if, #ifdef, #ifndef\u8fd9\u4e9b\u6761\u4ef6\u547d\u4ee4\u7684\u7ed3\u675f\u6807\u5fd7.<br \/> defined \u3000\u4e0e#if, #elif\u914d\u5408\u4f7f\u7528\uff0c\u5224\u65ad\u67d0\u4e2a\u5b8f\u662f\u5426\u88ab\u5b9a\u4e49***<\/p>\n<p>\u5177\u4f53\u53ef\u4ee5\u9605\u8bfb\uff1a\u3010C\u8bed\u8a00\u3011----\u5b8f\u5b9a\u4e49\uff0c\u9884\u5904\u7406\u5b8f<\/p>\n<h4>4\u6a21\u5757\u5316\u7f16\u7a0b\u6ce8\u610f\u4e8b\u9879<\/h4>\n<p><strong>\u5934\u6587\u4ef6(XX.h)\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<p>1.<strong>\u51fd\u6570\u9ed8\u8ba4\u662fextern\u5c5e\u6027<\/strong> \u4e5f\u5c31\u662f\u6211\u4eec\u58f0\u660e\u51fd\u6570\u7684\u65f6\u5019\u524d\u9762\u7684extern\u53ef\u6709\u53ef\u65e0<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-c\"><span class=\"token keyword\">extern<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">LED_Open<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">LED_Open<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u76f8\u540c<\/span> <\/code><\/pre>\n<p><strong>2.\u201c.h\u201d\u6587\u4ef6\u4e2d\u4e0d\u53ef\u4ee5\u5b9a\u4e49\u53d8\u91cf<\/strong> \u5728.h\u4e2d\u53ea\u80fd\u58f0\u660e\uff0c\u4e0d\u80fd\u5b9a\u4e49<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-c\"><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">LED<span class=\"token punctuation\">.<\/span>h<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">LED<\/span><span class=\"token expression\"><span class=\"token punctuation\">.<\/span>h<\/span><\/span> <span class=\"token keyword\">extern<\/span> a<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u58f0\u660e\u53d8\u91cfa \u6b63\u786e<\/span> b<span class=\"token operator\">=<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u5b9a\u4e49\u53d8\u91cfb \u9519\u8bef<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span> <\/code><\/pre>\n<p><strong>3\u58f0\u660e\u53d8\u91cf\u4e0d\u4f1a\u5360\u7528\u5185\u5b58\uff0c\u5b9a\u4e49\u53d8\u91cf\u624d\u4f1a<\/strong><\/p>\n<p>\u5b9a\u4e49\u53d8\u91cf\u548c\u58f0\u660e\u53d8\u91cf\u7684\u533a\u522b\u5728\u4e8e\u5b9a\u4e49\u4f1a\u4ea7\u751f\u5206\u914d\u5185\u5b58\u7684\u64cd\u4f5c\uff0c\u8fd9\u662f\u6c47\u7f16\u9636\u6bb5\u7684\u6982\u5ff5\uff1b\u58f0\u660e\u5219\u53ea\u662f\u544a\u8bc9\u5305\u542b\u8be5\u58f0\u660e\u7684\u6a21\u5757\u5728\u8fde\u63a5\u9636\u6bb5\u4ece\u5176\u4ed6\u6a21\u5757\u5bfb\u627e\u5916\u90e8\u51fd\u6570\u548c\u53d8\u91cf\u3002<\/p>\n<p>4 <strong>\u4e0d\u60f3\u8ba9\u5916\u754c\u77e5\u9053\u7684\u4fe1\u606f\uff0c\u5c31\u4e0d\u5e94\u8be5\u51fa\u73b0\u5728\u5934\u6587\u4ef6\u91cc\uff0c\u800c\u60f3\u8ba9\u5916\u90e8\u8c03\u7528\u7684\u51fd\u6570\u6216\u53d8\u91cf\uff0c\u5219\u4e00\u5b9a\u8981\u5728\u5934\u6587\u4ef6\u4e2d\u58f0\u660e<\/strong><\/p>\n<p><strong>5 \u5934\u6587\u4ef6(.h)\u547d\u540d\u5e94\u4e0e\u6e90\u6587\u4ef6(.c)\u4e00\u81f4\uff0c\u4fbf\u4e8e\u6e05\u6670\u7684\u67e5\u770b\u5404\u4e2a\u5934\u6587\u4ef6<\/strong><\/p>\n<p>6 #include &lt;stdio.h&gt;,#include \u201cmyfile.h\u201d,\u53cc\u5f15\u53f7\u5148\u5728\u5de5\u7a0b\u76ee\u5f55\u91cc\u5bfb\u627e\uff0c\u518d\u53bb\u7cfb\u7edf\u76ee\u5f55\u91cc\u5bfb\u627e\u3002<\/p>\n<p><strong>.c\u6587\u4ef6(XX.c)\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<p>1.<strong>\u6a21\u5757\u5185\u4e0d\u60f3\u88ab\u5916\u90e8\u5f15\u7528\u7684\u51fd\u6570\u548c\u5168\u5c40\u53d8\u91cf\u9700\u5728\u201c.c\u201d\u6587\u4ef6\u5934\u51a0\u4ee5static\u5173\u952e\u5b57\u58f0\u660e\u3002<\/strong> \u8fd9\u6837\u8fd9\u4e9b\u51fd\u6570\u548c\u53d8\u91cf\u53ea\u4f1a\u5728\u5f53\u524d.c\u6587\u4ef6\u4e2d\u8d77\u5230\u4f5c\u7528**\uff0c**\u4e00\u6765\u53ef\u4ee5\u907f\u514d\u51fd\u6570\u540d\u7684\u91cd\u590d\uff1b\u4e8c\u6765\u53ef\u4ee5\u4fdd\u62a4\u5185\u90e8\u7684\u5b9e\u73b0\u6570\u636e\uff0c\u9632\u6b62\u88ab\u7834\u574f<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-c\"><span class=\"token keyword\">static<\/span> a <span class=\"token operator\">=<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">LED_Open<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <\/code><\/pre>\n<p>2\u6a21\u5757\u4e2d\u60f3\u8981\u88ab\u5176\u4ed6\u6587\u4ef6\u8bbf\u95ee\u7684\u53d8\u91cf\uff0c\u4e00\u5b9a\u8981\u662f\u5168\u5c40\u53d8\u91cf\uff0c\u5e76\u4e14\u5728.h\u4e2d\u58f0\u660e<\/p>\n<p>3 <strong>\u8981\u5c3d\u91cf\u51cf\u5c11\u5168\u5c40\u53d8\u91cf\u7684\u4f7f\u7528<\/strong>\uff0c\u56e0\u4e3a\u5168\u5c40\u53d8\u91cf\u7684\u751f\u547d\u5468\u671f\u662f\u4ece\u7a0b\u5e8f\u7684\u5f00\u59cb\u5230\u7a0b\u5e8f\u7684\u7ed3\u675f\u7684\uff0c\u8fd9\u610f\u5473\u7740\u4f60\u5728\u5176\u4ed6\u6e90\u6587\u4ef6\u4e2d\u8c03\u7528\u8fd9\u4e2a\u53d8\u91cf\u65f6\uff0c\u53ef\u80fd\u4f1a\u4ea7\u751f\u540c\u540d\u53d8\u91cf\uff0c\u4ee5\u53ca\u53d8\u91cf\u6570\u503c\u9519\u8bef\u7b49\u95ee\u9898<\/p>\n<p>4\u51fd\u6570\u7684\u58f0\u660e\u6709\u65e0extern\u90fd\u884c\uff0c\u53d8\u91cf\u7684\u58f0\u660e\u5fc5\u987b\u52a0\u4e0aextern\uff0c\u5426\u5219\u7f16\u8bd1\u5668\u65e0\u6cd5\u8bc6\u522b\u58f0\u660e\u3002<\/p>\n<p><strong>extern static \u5173\u952e\u5b57\u7528\u6cd5<\/strong> \u8bf7\u53c2\u770b \u3010c\u8bed\u8a00\u3011\u5173\u952e\u5b57\u5b58\u50a8\u7c7b\u578b\u8bb2\u89e3(auto,extern,static,register,const)<\/p>\n<p>\u8f6c\u8f7d\u4e8e\uff1a\u4ec0\u4e48\u662f\u6a21\u5757\u5316\uff0c\u600e\u4e48\u5199\u4e00\u4e2a\u597d\u7684C\u8bed\u8a00\u6a21\u5757\uff1f\u901a\u8fc7\u6807\u51c6\u5e93\uff0c\u5f00\u6e90\u5e93\uff0c\u9a71\u52a8\u5e93\u5b66\u4e60<\/p>\n<hr>\n<h3>\u5916\u8bbe\u5e93\uff0c\u786c\u4ef6\u5e93\uff0c\u9a71\u52a8\u5e93<\/h3>\n<h4>stm32f10x_gpio.h<\/h4>\n<pre><code class=\"prism language-c\"><span class=\"token comment\">\/** ****************************************************************************** * @file stm32f10x_gpio.h * @author MCD Application Team * @version V3.5.0 * @date 11-March-2011 * @brief This file contains all the functions prototypes for the GPIO * firmware library. ****************************************************************************** * @attention * * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING * FROM THE CONTENT OF SUCH FIRMWARE AND\/OR THE USE MADE BY CUSTOMERS OF THE * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. * * &lt;h2&gt;&lt;center&gt;&amp;copy; COPYRIGHT 2011 STMicroelectronics&lt;\/center&gt;&lt;\/h2&gt; ****************************************************************************** *\/<\/span> <span class=\"token comment\">\/* Define to prevent recursive inclusion -------------------------------------*\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">__STM32F10x_GPIO_H<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">__STM32F10x_GPIO_H<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">__cplusplus<\/span><\/span> <span class=\"token keyword\">extern<\/span> <span class=\"token string\">\"C\"<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span> <span class=\"token comment\">\/* Includes ------------------------------------------------------------------*\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">\"stm32f10x.h\"<\/span><\/span> <span class=\"token comment\">\/** @addtogroup STM32F10x_StdPeriph_Driver * @{ *\/<\/span> <span class=\"token comment\">\/** @addtogroup GPIO * @{ *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_Exported_Types * @{ *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">IS_GPIO_ALL_PERIPH<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>PERIPH<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PERIPH<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIOA<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PERIPH<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIOB<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PERIPH<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIOC<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PERIPH<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIOD<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PERIPH<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIOE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PERIPH<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIOF<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PERIPH<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIOG<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token comment\">\/** * @brief Output Maximum frequency selection *\/<\/span> <span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">enum<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> GPIO_Speed_10MHz <span class=\"token operator\">=<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> GPIO_Speed_2MHz<span class=\"token punctuation\">,<\/span> GPIO_Speed_50MHz <span class=\"token punctuation\">}<\/span>GPIOSpeed_TypeDef<span class=\"token punctuation\">;<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">IS_GPIO_SPEED<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>SPEED<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>SPEED<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Speed_10MHz<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>SPEED<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Speed_2MHz<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>SPEED<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Speed_50MHz<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token comment\">\/** * @brief Configuration Mode enumeration *\/<\/span> <span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">enum<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> GPIO_Mode_AIN <span class=\"token operator\">=<\/span> <span class=\"token number\">0x0<\/span><span class=\"token punctuation\">,<\/span> GPIO_Mode_IN_FLOATING <span class=\"token operator\">=<\/span> <span class=\"token number\">0x04<\/span><span class=\"token punctuation\">,<\/span> GPIO_Mode_IPD <span class=\"token operator\">=<\/span> <span class=\"token number\">0x28<\/span><span class=\"token punctuation\">,<\/span> GPIO_Mode_IPU <span class=\"token operator\">=<\/span> <span class=\"token number\">0x48<\/span><span class=\"token punctuation\">,<\/span> GPIO_Mode_Out_OD <span class=\"token operator\">=<\/span> <span class=\"token number\">0x14<\/span><span class=\"token punctuation\">,<\/span> GPIO_Mode_Out_PP <span class=\"token operator\">=<\/span> <span class=\"token number\">0x10<\/span><span class=\"token punctuation\">,<\/span> GPIO_Mode_AF_OD <span class=\"token operator\">=<\/span> <span class=\"token number\">0x1C<\/span><span class=\"token punctuation\">,<\/span> GPIO_Mode_AF_PP <span class=\"token operator\">=<\/span> <span class=\"token number\">0x18<\/span> <span class=\"token punctuation\">}<\/span>GPIOMode_TypeDef<span class=\"token punctuation\">;<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">IS_GPIO_MODE<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>MODE<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>MODE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Mode_AIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>MODE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Mode_IN_FLOATING<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>MODE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Mode_IPD<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>MODE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Mode_IPU<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>MODE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Mode_Out_OD<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>MODE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Mode_Out_PP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>MODE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Mode_AF_OD<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>MODE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Mode_AF_PP<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token comment\">\/** * @brief GPIO Init structure definition *\/<\/span> <span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">uint16_t<\/span> GPIO_Pin<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*!&lt; Specifies the GPIO pins to be configured. This parameter can be any value of @ref GPIO_pins_define *\/<\/span> GPIOSpeed_TypeDef GPIO_Speed<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*!&lt; Specifies the speed for the selected pins. This parameter can be a value of @ref GPIOSpeed_TypeDef *\/<\/span> GPIOMode_TypeDef GPIO_Mode<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*!&lt; Specifies the operating mode for the selected pins. This parameter can be a value of @ref GPIOMode_TypeDef *\/<\/span> <span class=\"token punctuation\">}<\/span>GPIO_InitTypeDef<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/** * @brief Bit_SET and Bit_RESET enumeration *\/<\/span> <span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">enum<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> Bit_RESET <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> Bit_SET <span class=\"token punctuation\">}<\/span>BitAction<span class=\"token punctuation\">;<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">IS_GPIO_BIT_ACTION<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>ACTION<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>ACTION<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> Bit_RESET<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>ACTION<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> Bit_SET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_Exported_Constants * @{ *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_pins_define * @{ *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_0<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0001<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 0 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_1<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0002<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 1 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_2<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0004<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 2 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_3<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0008<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 3 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_4<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0010<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 4 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_5<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0020<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 5 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_6<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0040<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 6 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_7<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0080<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 7 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_8<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0100<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 8 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_9<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0200<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 9 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_10<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0400<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 10 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_11<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0800<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 11 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_12<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x1000<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 12 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_13<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x2000<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 13 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_14<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x4000<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 14 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_15<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x8000<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Pin 15 selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Pin_All<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0xFFFF<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; All pins selected *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">IS_GPIO_PIN<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">IS_GET_GPIO_PIN<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_0<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_1<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_2<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_3<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_4<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_5<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_6<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_7<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_8<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_9<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_10<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_11<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_12<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_13<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_14<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Pin_15<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_Remap_define * @{ *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_SPI1<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00000001<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; SPI1 Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_I2C1<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00000002<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; I2C1 Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_USART1<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00000004<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; USART1 Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_USART2<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00000008<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; USART2 Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PartialRemap_USART3<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; USART3 Partial Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_FullRemap_USART3<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; USART3 Full Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PartialRemap_TIM1<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM1 Partial Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_FullRemap_TIM1<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x001600C0<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM1 Full Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PartialRemap1_TIM2<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM2 Partial1 Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PartialRemap2_TIM2<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM2 Partial2 Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_FullRemap_TIM2<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM2 Full Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PartialRemap_TIM3<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x001A0800<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM3 Partial Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_FullRemap_TIM3<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x001A0C00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM3 Full Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM4<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00001000<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM4 Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap1_CAN1<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x001D4000<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; CAN1 Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap2_CAN1<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x001D6000<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; CAN1 Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_PD01<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00008000<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; PD01 Alternate Function mapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM5CH4_LSI<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; LSI connected to TIM5 Channel4 input capture for calibration *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_ADC1_ETRGINJ<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; ADC1 External Trigger Injected Conversion remapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_ADC1_ETRGREG<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; ADC1 External Trigger Regular Conversion remapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_ADC2_ETRGINJ<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; ADC2 External Trigger Injected Conversion remapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_ADC2_ETRGREG<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; ADC2 External Trigger Regular Conversion remapping *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_ETH<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Ethernet remapping (only for Connectivity line devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_CAN2<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; CAN2 remapping (only for Connectivity line devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_SWJ_NoJTRST<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_SWJ_JTAGDisable<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; JTAG-DP Disabled and SW-DP Enabled *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_SWJ_Disable<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Full SWJ Disabled (JTAG-DP + SW-DP) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_SPI3<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; SPI3\/I2S3 Alternate Function mapping (only for Connectivity line devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM2ITR1_PTP_SOF<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Ethernet PTP output or USB OTG SOF (Start of Frame) connected to TIM2 Internal Trigger 1 for calibration (only for Connectivity line devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_PTP_PPS<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Ethernet MAC PPS_PTS output on PB05 (only for Connectivity line devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM15<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM15 Alternate Function mapping (only for Value line devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM16<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM16 Alternate Function mapping (only for Value line devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM17<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM17 Alternate Function mapping (only for Value line devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_CEC<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; CEC Alternate Function mapping (only for Value line devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM1_DMA<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM1 DMA requests mapping (only for Value line devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM9<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM9 Alternate Function mapping (only for XL-density devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM10<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM10 Alternate Function mapping (only for XL-density devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM11<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM11 Alternate Function mapping (only for XL-density devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM13<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM13 Alternate Function mapping (only for High density Value line and XL-density devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM14<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM14 Alternate Function mapping (only for High density Value line and XL-density devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_FSMC_NADV<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; FSMC_NADV Alternate Function mapping (only for High density Value line and XL-density devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM67_DAC_DMA<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM6\/TIM7 and DAC DMA requests remapping (only for High density Value line devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_TIM12<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; TIM12 Alternate Function mapping (only for High density Value line devices) *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_Remap_MISC<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <\/span><span class=\"token comment\">\/*!&lt; Miscellaneous Remap (DMA2 Channel5 Position and DAC Trigger remapping, only for High density Value line devices) *\/<\/span> <\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">IS_GPIO_REMAP<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_SPI1<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_I2C1<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_USART1<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_USART2<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PartialRemap_USART3<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_FullRemap_USART3<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PartialRemap_TIM1<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_FullRemap_TIM1<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PartialRemap1_TIM2<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PartialRemap2_TIM2<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_FullRemap_TIM2<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PartialRemap_TIM3<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_FullRemap_TIM3<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM4<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap1_CAN1<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap2_CAN1<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_PD01<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM5CH4_LSI<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_ADC1_ETRGINJ<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_ADC1_ETRGREG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_ADC2_ETRGINJ<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_ADC2_ETRGREG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_ETH<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_CAN2<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_SWJ_NoJTRST<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_SWJ_JTAGDisable<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_SWJ_Disable<span class=\"token punctuation\">)<\/span><span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_SPI3<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM2ITR1_PTP_SOF<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_PTP_PPS<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM15<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM16<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM17<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_CEC<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM1_DMA<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM9<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM10<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM11<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM13<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM14<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_FSMC_NADV<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM67_DAC_DMA<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_TIM12<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>REMAP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_Remap_MISC<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_Port_Sources * @{ *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PortSourceGPIOA<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PortSourceGPIOB<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x01<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PortSourceGPIOC<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x02<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PortSourceGPIOD<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x03<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PortSourceGPIOE<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x04<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PortSourceGPIOF<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x05<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PortSourceGPIOG<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x06<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">IS_GPIO_EVENTOUT_PORT_SOURCE<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PortSourceGPIOA<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PortSourceGPIOB<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PortSourceGPIOC<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PortSourceGPIOD<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PortSourceGPIOE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">IS_GPIO_EXTI_PORT_SOURCE<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PortSourceGPIOA<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PortSourceGPIOB<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PortSourceGPIOC<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PortSourceGPIOD<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PortSourceGPIOE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PortSourceGPIOF<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PORTSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PortSourceGPIOG<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_Pin_sources * @{ *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource0<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource1<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x01<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource2<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x02<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource3<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x03<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource4<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x04<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource5<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x05<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource6<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x06<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource7<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x07<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource8<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x08<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource9<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x09<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource10<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0A<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource11<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0B<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource12<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0C<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource13<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0D<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource14<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0E<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_PinSource15<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0F<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">IS_GPIO_PIN_SOURCE<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource0<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource1<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource2<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource3<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource4<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource5<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource6<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource7<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource8<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource9<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource10<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource11<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource12<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource13<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource14<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PINSOURCE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_PinSource15<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** @defgroup Ethernet_Media_Interface * @{ *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_ETH_MediaInterface_MII<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>u32<span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00000000<\/span><span class=\"token punctuation\">)<\/span> <\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">GPIO_ETH_MediaInterface_RMII<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>u32<span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00000001<\/span><span class=\"token punctuation\">)<\/span> <\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">IS_GPIO_ETH_MEDIA_INTERFACE<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>INTERFACE<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>INTERFACE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_ETH_MediaInterface_MII<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <\/span><span class=\"token punctuation\">\\<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>INTERFACE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> GPIO_ETH_MediaInterface_RMII<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_Exported_Macros * @{ *\/<\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_Exported_Functions * @{ *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_DeInit<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_AFIODeInit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_Init<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> GPIO_InitTypeDef<span class=\"token operator\">*<\/span> GPIO_InitStruct<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_StructInit<\/span><span class=\"token punctuation\">(<\/span>GPIO_InitTypeDef<span class=\"token operator\">*<\/span> GPIO_InitStruct<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">uint8_t<\/span> <span class=\"token function\">GPIO_ReadInputDataBit<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> GPIO_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">uint16_t<\/span> <span class=\"token function\">GPIO_ReadInputData<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">uint8_t<\/span> <span class=\"token function\">GPIO_ReadOutputDataBit<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> GPIO_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">uint16_t<\/span> <span class=\"token function\">GPIO_ReadOutputData<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_SetBits<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> GPIO_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_ResetBits<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> GPIO_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_WriteBit<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> GPIO_Pin<span class=\"token punctuation\">,<\/span> BitAction BitVal<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_Write<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> PortVal<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_PinLockConfig<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> GPIO_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_EventOutputConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> GPIO_PortSource<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint8_t<\/span> GPIO_PinSource<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_EventOutputCmd<\/span><span class=\"token punctuation\">(<\/span>FunctionalState NewState<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_PinRemapConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span> GPIO_Remap<span class=\"token punctuation\">,<\/span> FunctionalState NewState<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_EXTILineConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> GPIO_PortSource<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint8_t<\/span> GPIO_PinSource<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_ETH_MediaInterfaceConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span> GPIO_ETH_MediaInterface<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">__cplusplus<\/span><\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/* __STM32F10x_GPIO_H *\/<\/span><\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****\/<\/span> <\/code><\/pre>\n<h4>stm32f10x_gpio.c<\/h4>\n<pre><code class=\"prism language-c\"><span class=\"token comment\">\/** ****************************************************************************** * @file stm32f10x_gpio.c * @author MCD Application Team * @version V3.5.0 * @date 11-March-2011 * @brief This file provides all the GPIO firmware functions. ****************************************************************************** * @attention * * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING * FROM THE CONTENT OF SUCH FIRMWARE AND\/OR THE USE MADE BY CUSTOMERS OF THE * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. * * &lt;h2&gt;&lt;center&gt;&amp;copy; COPYRIGHT 2011 STMicroelectronics&lt;\/center&gt;&lt;\/h2&gt; ****************************************************************************** *\/<\/span> <span class=\"token comment\">\/* Includes ------------------------------------------------------------------*\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">\"stm32f10x_gpio.h\"<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">\"stm32f10x_rcc.h\"<\/span><\/span> <span class=\"token comment\">\/** @addtogroup STM32F10x_StdPeriph_Driver * @{ *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO * @brief GPIO driver modules * @{ *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_Private_TypesDefinitions * @{ *\/<\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_Private_Defines * @{ *\/<\/span> <span class=\"token comment\">\/* ------------ RCC registers bit address in the alias region ----------------*\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">AFIO_OFFSET<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span>AFIO_BASE <span class=\"token operator\">-<\/span> PERIPH_BASE<span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token comment\">\/* --- EVENTCR Register -----*\/<\/span> <span class=\"token comment\">\/* Alias word address of EVOE bit *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">EVCR_OFFSET<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span>AFIO_OFFSET <span class=\"token operator\">+<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">EVOE_BitNumber<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x07<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">EVCR_EVOE_BB<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span>PERIPH_BB_BASE <span class=\"token operator\">+<\/span> <span class=\"token punctuation\">(<\/span>EVCR_OFFSET <span class=\"token operator\">*<\/span> <span class=\"token number\">32<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">+<\/span> <span class=\"token punctuation\">(<\/span>EVOE_BitNumber <span class=\"token operator\">*<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token comment\">\/* --- MAPR Register ---*\/<\/span> <span class=\"token comment\">\/* Alias word address of MII_RMII_SEL bit *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">MAPR_OFFSET<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span>AFIO_OFFSET <span class=\"token operator\">+<\/span> <span class=\"token number\">0x04<\/span><span class=\"token punctuation\">)<\/span> <\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">MII_RMII_SEL_BitNumber<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>u8<span class=\"token punctuation\">)<\/span><span class=\"token number\">0x17<\/span><span class=\"token punctuation\">)<\/span> <\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">MAPR_MII_RMII_SEL_BB<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span>PERIPH_BB_BASE <span class=\"token operator\">+<\/span> <span class=\"token punctuation\">(<\/span>MAPR_OFFSET <span class=\"token operator\">*<\/span> <span class=\"token number\">32<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">+<\/span> <span class=\"token punctuation\">(<\/span>MII_RMII_SEL_BitNumber <span class=\"token operator\">*<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">EVCR_PORTPINCONFIG_MASK<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0xFF80<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">LSB_MASK<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0xFFFF<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">DBGAFR_POSITION_MASK<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x000F0000<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">DBGAFR_SWJCFG_MASK<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0xF0FFFFFF<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">DBGAFR_LOCATION_MASK<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">DBGAFR_NUMBITS_MASK<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_Private_Macros * @{ *\/<\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_Private_Variables * @{ *\/<\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_Private_FunctionPrototypes * @{ *\/<\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** @defgroup GPIO_Private_Functions * @{ *\/<\/span> <span class=\"token comment\">\/** * @brief Deinitializes the GPIOx peripheral registers to their default reset values. * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_DeInit<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_ALL_PERIPH<\/span><span class=\"token punctuation\">(<\/span>GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>GPIOx <span class=\"token operator\">==<\/span> GPIOA<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOA<span class=\"token punctuation\">,<\/span> ENABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOA<span class=\"token punctuation\">,<\/span> DISABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>GPIOx <span class=\"token operator\">==<\/span> GPIOB<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOB<span class=\"token punctuation\">,<\/span> ENABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOB<span class=\"token punctuation\">,<\/span> DISABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>GPIOx <span class=\"token operator\">==<\/span> GPIOC<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOC<span class=\"token punctuation\">,<\/span> ENABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOC<span class=\"token punctuation\">,<\/span> DISABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>GPIOx <span class=\"token operator\">==<\/span> GPIOD<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOD<span class=\"token punctuation\">,<\/span> ENABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOD<span class=\"token punctuation\">,<\/span> DISABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>GPIOx <span class=\"token operator\">==<\/span> GPIOE<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOE<span class=\"token punctuation\">,<\/span> ENABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOE<span class=\"token punctuation\">,<\/span> DISABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>GPIOx <span class=\"token operator\">==<\/span> GPIOF<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOF<span class=\"token punctuation\">,<\/span> ENABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOF<span class=\"token punctuation\">,<\/span> DISABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>GPIOx <span class=\"token operator\">==<\/span> GPIOG<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOG<span class=\"token punctuation\">,<\/span> ENABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_GPIOG<span class=\"token punctuation\">,<\/span> DISABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Deinitializes the Alternate Functions (remap, event control * and EXTI configuration) registers to their default reset values. * @param None * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_AFIODeInit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_AFIO<span class=\"token punctuation\">,<\/span> ENABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">RCC_APB2PeriphResetCmd<\/span><span class=\"token punctuation\">(<\/span>RCC_APB2Periph_AFIO<span class=\"token punctuation\">,<\/span> DISABLE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Initializes the GPIOx peripheral according to the specified * parameters in the GPIO_InitStruct. * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. * @param GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure that * contains the configuration information for the specified GPIO peripheral. * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_Init<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> GPIO_InitTypeDef<span class=\"token operator\">*<\/span> GPIO_InitStruct<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">uint32_t<\/span> currentmode <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">,<\/span> currentpin <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">,<\/span> pinpos <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">,<\/span> pos <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">uint32_t<\/span> tmpreg <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">,<\/span> pinmask <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_ALL_PERIPH<\/span><span class=\"token punctuation\">(<\/span>GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_MODE<\/span><span class=\"token punctuation\">(<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Mode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_PIN<\/span><span class=\"token punctuation\">(<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*---------------------------- GPIO Mode Configuration -----------------------*\/<\/span> currentmode <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Mode<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0F<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Mode<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_SPEED<\/span><span class=\"token punctuation\">(<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Speed<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Output mode *\/<\/span> currentmode <span class=\"token operator\">|=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Speed<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/*---------------------------- GPIO CRL Configuration ------------------------*\/<\/span> <span class=\"token comment\">\/* Configure the eight low port pins *\/<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Pin <span class=\"token operator\">&amp;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x00FF<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> tmpreg <span class=\"token operator\">=<\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>CRL<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>pinpos <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">;<\/span> pinpos <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0x08<\/span><span class=\"token punctuation\">;<\/span> pinpos<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> pos <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x01<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> pinpos<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Get the port pins position *\/<\/span> currentpin <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;<\/span> pos<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>currentpin <span class=\"token operator\">==<\/span> pos<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> pos <span class=\"token operator\">=<\/span> pinpos <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Clear the corresponding low control register bits *\/<\/span> pinmask <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0F<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> pos<span class=\"token punctuation\">;<\/span> tmpreg <span class=\"token operator\">&amp;=<\/span> <span class=\"token operator\">~<\/span>pinmask<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Write the mode configuration in the corresponding bits *\/<\/span> tmpreg <span class=\"token operator\">|=<\/span> <span class=\"token punctuation\">(<\/span>currentmode <span class=\"token operator\">&lt;&lt;<\/span> pos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Reset the corresponding ODR bit *\/<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Mode <span class=\"token operator\">==<\/span> GPIO_Mode_IPD<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>BRR <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x01<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> pinpos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/* Set the corresponding ODR bit *\/<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Mode <span class=\"token operator\">==<\/span> GPIO_Mode_IPU<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>BSRR <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x01<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> pinpos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>CRL <span class=\"token operator\">=<\/span> tmpreg<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/*---------------------------- GPIO CRH Configuration ------------------------*\/<\/span> <span class=\"token comment\">\/* Configure the eight high port pins *\/<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Pin <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0x00FF<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> tmpreg <span class=\"token operator\">=<\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>CRH<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>pinpos <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">;<\/span> pinpos <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0x08<\/span><span class=\"token punctuation\">;<\/span> pinpos<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> pos <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x01<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span>pinpos <span class=\"token operator\">+<\/span> <span class=\"token number\">0x08<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Get the port pins position *\/<\/span> currentpin <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;<\/span> pos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>currentpin <span class=\"token operator\">==<\/span> pos<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> pos <span class=\"token operator\">=<\/span> pinpos <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Clear the corresponding high control register bits *\/<\/span> pinmask <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0F<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> pos<span class=\"token punctuation\">;<\/span> tmpreg <span class=\"token operator\">&amp;=<\/span> <span class=\"token operator\">~<\/span>pinmask<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Write the mode configuration in the corresponding bits *\/<\/span> tmpreg <span class=\"token operator\">|=<\/span> <span class=\"token punctuation\">(<\/span>currentmode <span class=\"token operator\">&lt;&lt;<\/span> pos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Reset the corresponding ODR bit *\/<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Mode <span class=\"token operator\">==<\/span> GPIO_Mode_IPD<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>BRR <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x01<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span>pinpos <span class=\"token operator\">+<\/span> <span class=\"token number\">0x08<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Set the corresponding ODR bit *\/<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Mode <span class=\"token operator\">==<\/span> GPIO_Mode_IPU<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>BSRR <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x01<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span>pinpos <span class=\"token operator\">+<\/span> <span class=\"token number\">0x08<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>CRH <span class=\"token operator\">=<\/span> tmpreg<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Fills each GPIO_InitStruct member with its default value. * @param GPIO_InitStruct : pointer to a GPIO_InitTypeDef structure which will * be initialized. * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_StructInit<\/span><span class=\"token punctuation\">(<\/span>GPIO_InitTypeDef<span class=\"token operator\">*<\/span> GPIO_InitStruct<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/* Reset GPIO init structure parameters values *\/<\/span> GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Pin <span class=\"token operator\">=<\/span> GPIO_Pin_All<span class=\"token punctuation\">;<\/span> GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Speed <span class=\"token operator\">=<\/span> GPIO_Speed_2MHz<span class=\"token punctuation\">;<\/span> GPIO_InitStruct<span class=\"token operator\">-&gt;<\/span>GPIO_Mode <span class=\"token operator\">=<\/span> GPIO_Mode_IN_FLOATING<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Reads the specified input port pin. * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. * @param GPIO_Pin: specifies the port bit to read. * This parameter can be GPIO_Pin_x where x can be (0..15). * @retval The input port pin value. *\/<\/span> <span class=\"token class-name\">uint8_t<\/span> <span class=\"token function\">GPIO_ReadInputDataBit<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> GPIO_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">uint8_t<\/span> bitstatus <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_ALL_PERIPH<\/span><span class=\"token punctuation\">(<\/span>GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GET_GPIO_PIN<\/span><span class=\"token punctuation\">(<\/span>GPIO_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>GPIOx<span class=\"token operator\">-&gt;<\/span>IDR <span class=\"token operator\">&amp;<\/span> GPIO_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span>Bit_RESET<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> bitstatus <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span>Bit_SET<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> bitstatus <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span>Bit_RESET<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> bitstatus<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Reads the specified GPIO input data port. * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. * @retval GPIO input data port value. *\/<\/span> <span class=\"token class-name\">uint16_t<\/span> <span class=\"token function\">GPIO_ReadInputData<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_ALL_PERIPH<\/span><span class=\"token punctuation\">(<\/span>GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span>GPIOx<span class=\"token operator\">-&gt;<\/span>IDR<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Reads the specified output data port bit. * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. * @param GPIO_Pin: specifies the port bit to read. * This parameter can be GPIO_Pin_x where x can be (0..15). * @retval The output port pin value. *\/<\/span> <span class=\"token class-name\">uint8_t<\/span> <span class=\"token function\">GPIO_ReadOutputDataBit<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> GPIO_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">uint8_t<\/span> bitstatus <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_ALL_PERIPH<\/span><span class=\"token punctuation\">(<\/span>GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GET_GPIO_PIN<\/span><span class=\"token punctuation\">(<\/span>GPIO_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>GPIOx<span class=\"token operator\">-&gt;<\/span>ODR <span class=\"token operator\">&amp;<\/span> GPIO_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span>Bit_RESET<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> bitstatus <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span>Bit_SET<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> bitstatus <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span>Bit_RESET<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> bitstatus<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Reads the specified GPIO output data port. * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. * @retval GPIO output data port value. *\/<\/span> <span class=\"token class-name\">uint16_t<\/span> <span class=\"token function\">GPIO_ReadOutputData<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_ALL_PERIPH<\/span><span class=\"token punctuation\">(<\/span>GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint16_t<\/span><span class=\"token punctuation\">)<\/span>GPIOx<span class=\"token operator\">-&gt;<\/span>ODR<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Sets the selected data port bits. * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. * @param GPIO_Pin: specifies the port bits to be written. * This parameter can be any combination of GPIO_Pin_x where x can be (0..15). * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_SetBits<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> GPIO_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_ALL_PERIPH<\/span><span class=\"token punctuation\">(<\/span>GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_PIN<\/span><span class=\"token punctuation\">(<\/span>GPIO_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>BSRR <span class=\"token operator\">=<\/span> GPIO_Pin<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Clears the selected data port bits. * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. * @param GPIO_Pin: specifies the port bits to be written. * This parameter can be any combination of GPIO_Pin_x where x can be (0..15). * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_ResetBits<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> GPIO_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_ALL_PERIPH<\/span><span class=\"token punctuation\">(<\/span>GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_PIN<\/span><span class=\"token punctuation\">(<\/span>GPIO_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>BRR <span class=\"token operator\">=<\/span> GPIO_Pin<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Sets or clears the selected data port bit. * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. * @param GPIO_Pin: specifies the port bit to be written. * This parameter can be one of GPIO_Pin_x where x can be (0..15). * @param BitVal: specifies the value to be written to the selected bit. * This parameter can be one of the BitAction enum values: * @arg Bit_RESET: to clear the port pin * @arg Bit_SET: to set the port pin * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_WriteBit<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> GPIO_Pin<span class=\"token punctuation\">,<\/span> BitAction BitVal<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_ALL_PERIPH<\/span><span class=\"token punctuation\">(<\/span>GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GET_GPIO_PIN<\/span><span class=\"token punctuation\">(<\/span>GPIO_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_BIT_ACTION<\/span><span class=\"token punctuation\">(<\/span>BitVal<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>BitVal <span class=\"token operator\">!=<\/span> Bit_RESET<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>BSRR <span class=\"token operator\">=<\/span> GPIO_Pin<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>BRR <span class=\"token operator\">=<\/span> GPIO_Pin<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Writes data to the specified GPIO data port. * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. * @param PortVal: specifies the value to be written to the port output data register. * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_Write<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> PortVal<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_ALL_PERIPH<\/span><span class=\"token punctuation\">(<\/span>GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>ODR <span class=\"token operator\">=<\/span> PortVal<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Locks GPIO Pins configuration registers. * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. * @param GPIO_Pin: specifies the port bit to be written. * This parameter can be any combination of GPIO_Pin_x where x can be (0..15). * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_PinLockConfig<\/span><span class=\"token punctuation\">(<\/span>GPIO_TypeDef<span class=\"token operator\">*<\/span> GPIOx<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint16_t<\/span> GPIO_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">uint32_t<\/span> tmp <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00010000<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_ALL_PERIPH<\/span><span class=\"token punctuation\">(<\/span>GPIOx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_PIN<\/span><span class=\"token punctuation\">(<\/span>GPIO_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> tmp <span class=\"token operator\">|=<\/span> GPIO_Pin<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Set LCKK bit *\/<\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>LCKR <span class=\"token operator\">=<\/span> tmp<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Reset LCKK bit *\/<\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>LCKR <span class=\"token operator\">=<\/span> GPIO_Pin<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Set LCKK bit *\/<\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>LCKR <span class=\"token operator\">=<\/span> tmp<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Read LCKK bit*\/<\/span> tmp <span class=\"token operator\">=<\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>LCKR<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Read LCKK bit*\/<\/span> tmp <span class=\"token operator\">=<\/span> GPIOx<span class=\"token operator\">-&gt;<\/span>LCKR<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Selects the GPIO pin used as Event output. * @param GPIO_PortSource: selects the GPIO port to be used as source * for Event output. * This parameter can be GPIO_PortSourceGPIOx where x can be (A..E). * @param GPIO_PinSource: specifies the pin for the Event output. * This parameter can be GPIO_PinSourcex where x can be (0..15). * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_EventOutputConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> GPIO_PortSource<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint8_t<\/span> GPIO_PinSource<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">uint32_t<\/span> tmpreg <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_EVENTOUT_PORT_SOURCE<\/span><span class=\"token punctuation\">(<\/span>GPIO_PortSource<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_PIN_SOURCE<\/span><span class=\"token punctuation\">(<\/span>GPIO_PinSource<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> tmpreg <span class=\"token operator\">=<\/span> AFIO<span class=\"token operator\">-&gt;<\/span>EVCR<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Clear the PORT[6:4] and PIN[3:0] bits *\/<\/span> tmpreg <span class=\"token operator\">&amp;=<\/span> EVCR_PORTPINCONFIG_MASK<span class=\"token punctuation\">;<\/span> tmpreg <span class=\"token operator\">|=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span>GPIO_PortSource <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token number\">0x04<\/span><span class=\"token punctuation\">;<\/span> tmpreg <span class=\"token operator\">|=<\/span> GPIO_PinSource<span class=\"token punctuation\">;<\/span> AFIO<span class=\"token operator\">-&gt;<\/span>EVCR <span class=\"token operator\">=<\/span> tmpreg<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Enables or disables the Event Output. * @param NewState: new state of the Event output. * This parameter can be: ENABLE or DISABLE. * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_EventOutputCmd<\/span><span class=\"token punctuation\">(<\/span>FunctionalState NewState<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_FUNCTIONAL_STATE<\/span><span class=\"token punctuation\">(<\/span>NewState<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">(<\/span>__IO <span class=\"token class-name\">uint32_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span> EVCR_EVOE_BB <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span>NewState<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Changes the mapping of the specified pin. * @param GPIO_Remap: selects the pin to remap. * This parameter can be one of the following values: * @arg GPIO_Remap_SPI1 : SPI1 Alternate Function mapping * @arg GPIO_Remap_I2C1 : I2C1 Alternate Function mapping * @arg GPIO_Remap_USART1 : USART1 Alternate Function mapping * @arg GPIO_Remap_USART2 : USART2 Alternate Function mapping * @arg GPIO_PartialRemap_USART3 : USART3 Partial Alternate Function mapping * @arg GPIO_FullRemap_USART3 : USART3 Full Alternate Function mapping * @arg GPIO_PartialRemap_TIM1 : TIM1 Partial Alternate Function mapping * @arg GPIO_FullRemap_TIM1 : TIM1 Full Alternate Function mapping * @arg GPIO_PartialRemap1_TIM2 : TIM2 Partial1 Alternate Function mapping * @arg GPIO_PartialRemap2_TIM2 : TIM2 Partial2 Alternate Function mapping * @arg GPIO_FullRemap_TIM2 : TIM2 Full Alternate Function mapping * @arg GPIO_PartialRemap_TIM3 : TIM3 Partial Alternate Function mapping * @arg GPIO_FullRemap_TIM3 : TIM3 Full Alternate Function mapping * @arg GPIO_Remap_TIM4 : TIM4 Alternate Function mapping * @arg GPIO_Remap1_CAN1 : CAN1 Alternate Function mapping * @arg GPIO_Remap2_CAN1 : CAN1 Alternate Function mapping * @arg GPIO_Remap_PD01 : PD01 Alternate Function mapping * @arg GPIO_Remap_TIM5CH4_LSI : LSI connected to TIM5 Channel4 input capture for calibration * @arg GPIO_Remap_ADC1_ETRGINJ : ADC1 External Trigger Injected Conversion remapping * @arg GPIO_Remap_ADC1_ETRGREG : ADC1 External Trigger Regular Conversion remapping * @arg GPIO_Remap_ADC2_ETRGINJ : ADC2 External Trigger Injected Conversion remapping * @arg GPIO_Remap_ADC2_ETRGREG : ADC2 External Trigger Regular Conversion remapping * @arg GPIO_Remap_ETH : Ethernet remapping (only for Connectivity line devices) * @arg GPIO_Remap_CAN2 : CAN2 remapping (only for Connectivity line devices) * @arg GPIO_Remap_SWJ_NoJTRST : Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST * @arg GPIO_Remap_SWJ_JTAGDisable : JTAG-DP Disabled and SW-DP Enabled * @arg GPIO_Remap_SWJ_Disable : Full SWJ Disabled (JTAG-DP + SW-DP) * @arg GPIO_Remap_SPI3 : SPI3\/I2S3 Alternate Function mapping (only for Connectivity line devices) * When the SPI3\/I2S3 is remapped using this function, the SWJ is configured * to Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST. * @arg GPIO_Remap_TIM2ITR1_PTP_SOF : Ethernet PTP output or USB OTG SOF (Start of Frame) connected * to TIM2 Internal Trigger 1 for calibration (only for Connectivity line devices) * If the GPIO_Remap_TIM2ITR1_PTP_SOF is enabled the TIM2 ITR1 is connected to * Ethernet PTP output. When Reset TIM2 ITR1 is connected to USB OTG SOF output. * @arg GPIO_Remap_PTP_PPS : Ethernet MAC PPS_PTS output on PB05 (only for Connectivity line devices) * @arg GPIO_Remap_TIM15 : TIM15 Alternate Function mapping (only for Value line devices) * @arg GPIO_Remap_TIM16 : TIM16 Alternate Function mapping (only for Value line devices) * @arg GPIO_Remap_TIM17 : TIM17 Alternate Function mapping (only for Value line devices) * @arg GPIO_Remap_CEC : CEC Alternate Function mapping (only for Value line devices) * @arg GPIO_Remap_TIM1_DMA : TIM1 DMA requests mapping (only for Value line devices) * @arg GPIO_Remap_TIM9 : TIM9 Alternate Function mapping (only for XL-density devices) * @arg GPIO_Remap_TIM10 : TIM10 Alternate Function mapping (only for XL-density devices) * @arg GPIO_Remap_TIM11 : TIM11 Alternate Function mapping (only for XL-density devices) * @arg GPIO_Remap_TIM13 : TIM13 Alternate Function mapping (only for High density Value line and XL-density devices) * @arg GPIO_Remap_TIM14 : TIM14 Alternate Function mapping (only for High density Value line and XL-density devices) * @arg GPIO_Remap_FSMC_NADV : FSMC_NADV Alternate Function mapping (only for High density Value line and XL-density devices) * @arg GPIO_Remap_TIM67_DAC_DMA : TIM6\/TIM7 and DAC DMA requests remapping (only for High density Value line devices) * @arg GPIO_Remap_TIM12 : TIM12 Alternate Function mapping (only for High density Value line devices) * @arg GPIO_Remap_MISC : Miscellaneous Remap (DMA2 Channel5 Position and DAC Trigger remapping, * only for High density Value line devices) * @param NewState: new state of the port pin remapping. * This parameter can be: ENABLE or DISABLE. * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_PinRemapConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span> GPIO_Remap<span class=\"token punctuation\">,<\/span> FunctionalState NewState<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">uint32_t<\/span> tmp <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">,<\/span> tmp1 <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">,<\/span> tmpreg <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">,<\/span> tmpmask <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_REMAP<\/span><span class=\"token punctuation\">(<\/span>GPIO_Remap<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_FUNCTIONAL_STATE<\/span><span class=\"token punctuation\">(<\/span>NewState<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>GPIO_Remap <span class=\"token operator\">&amp;<\/span> <span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> <span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> tmpreg <span class=\"token operator\">=<\/span> AFIO<span class=\"token operator\">-&gt;<\/span>MAPR2<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> tmpreg <span class=\"token operator\">=<\/span> AFIO<span class=\"token operator\">-&gt;<\/span>MAPR<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> tmpmask <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>GPIO_Remap <span class=\"token operator\">&amp;<\/span> DBGAFR_POSITION_MASK<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">0x10<\/span><span class=\"token punctuation\">;<\/span> tmp <span class=\"token operator\">=<\/span> GPIO_Remap <span class=\"token operator\">&amp;<\/span> LSB_MASK<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>GPIO_Remap <span class=\"token operator\">&amp;<\/span> <span class=\"token punctuation\">(<\/span>DBGAFR_LOCATION_MASK <span class=\"token operator\">|<\/span> DBGAFR_NUMBITS_MASK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> <span class=\"token punctuation\">(<\/span>DBGAFR_LOCATION_MASK <span class=\"token operator\">|<\/span> DBGAFR_NUMBITS_MASK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> tmpreg <span class=\"token operator\">&amp;=<\/span> DBGAFR_SWJCFG_MASK<span class=\"token punctuation\">;<\/span> AFIO<span class=\"token operator\">-&gt;<\/span>MAPR <span class=\"token operator\">&amp;=<\/span> DBGAFR_SWJCFG_MASK<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>GPIO_Remap <span class=\"token operator\">&amp;<\/span> DBGAFR_NUMBITS_MASK<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> DBGAFR_NUMBITS_MASK<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> tmp1 <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x03<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> tmpmask<span class=\"token punctuation\">;<\/span> tmpreg <span class=\"token operator\">&amp;=<\/span> <span class=\"token operator\">~<\/span>tmp1<span class=\"token punctuation\">;<\/span> tmpreg <span class=\"token operator\">|=<\/span> <span class=\"token operator\">~<\/span>DBGAFR_SWJCFG_MASK<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> tmpreg <span class=\"token operator\">&amp;=<\/span> <span class=\"token operator\">~<\/span><span class=\"token punctuation\">(<\/span>tmp <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>GPIO_Remap <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">0x15<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">*<\/span><span class=\"token number\">0x10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> tmpreg <span class=\"token operator\">|=<\/span> <span class=\"token operator\">~<\/span>DBGAFR_SWJCFG_MASK<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>NewState <span class=\"token operator\">!=<\/span> DISABLE<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> tmpreg <span class=\"token operator\">|=<\/span> <span class=\"token punctuation\">(<\/span>tmp <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>GPIO_Remap <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">0x15<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">*<\/span><span class=\"token number\">0x10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>GPIO_Remap <span class=\"token operator\">&amp;<\/span> <span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> <span class=\"token number\">0x<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> AFIO<span class=\"token operator\">-&gt;<\/span>MAPR2 <span class=\"token operator\">=<\/span> tmpreg<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> AFIO<span class=\"token operator\">-&gt;<\/span>MAPR <span class=\"token operator\">=<\/span> tmpreg<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Selects the GPIO pin used as EXTI Line. * @param GPIO_PortSource: selects the GPIO port to be used as source for EXTI lines. * This parameter can be GPIO_PortSourceGPIOx where x can be (A..G). * @param GPIO_PinSource: specifies the EXTI line to be configured. * This parameter can be GPIO_PinSourcex where x can be (0..15). * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_EXTILineConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> GPIO_PortSource<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint8_t<\/span> GPIO_PinSource<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">uint32_t<\/span> tmp <span class=\"token operator\">=<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Check the parameters *\/<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_EXTI_PORT_SOURCE<\/span><span class=\"token punctuation\">(<\/span>GPIO_PortSource<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_PIN_SOURCE<\/span><span class=\"token punctuation\">(<\/span>GPIO_PinSource<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> tmp <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x0F<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0x04<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span>GPIO_PinSource <span class=\"token operator\">&amp;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x03<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> AFIO<span class=\"token operator\">-&gt;<\/span>EXTICR<span class=\"token punctuation\">[<\/span>GPIO_PinSource <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">0x02<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&amp;=<\/span> <span class=\"token operator\">~<\/span>tmp<span class=\"token punctuation\">;<\/span> AFIO<span class=\"token operator\">-&gt;<\/span>EXTICR<span class=\"token punctuation\">[<\/span>GPIO_PinSource <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">0x02<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">|=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span><span class=\"token punctuation\">)<\/span>GPIO_PortSource<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0x04<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span>GPIO_PinSource <span class=\"token operator\">&amp;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0x03<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @brief Selects the Ethernet media interface. * @note This function applies only to STM32 Connectivity line devices. * @param GPIO_ETH_MediaInterface: specifies the Media Interface mode. * This parameter can be one of the following values: * @arg GPIO_ETH_MediaInterface_MII: MII mode * @arg GPIO_ETH_MediaInterface_RMII: RMII mode * @retval None *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">GPIO_ETH_MediaInterfaceConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint32_t<\/span> GPIO_ETH_MediaInterface<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">assert_param<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IS_GPIO_ETH_MEDIA_INTERFACE<\/span><span class=\"token punctuation\">(<\/span>GPIO_ETH_MediaInterface<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Configure MII_RMII selection bit *\/<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">(<\/span>__IO <span class=\"token class-name\">uint32_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span> MAPR_MII_RMII_SEL_BB <span class=\"token operator\">=<\/span> GPIO_ETH_MediaInterface<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/** * @} *\/<\/span> <span class=\"token comment\">\/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****\/<\/span> <\/code><\/pre>\n<h3>\u5f00\u6e90\u5e93\uff0c\u8f6f\u4ef6\u5e93\uff0c\u7ec4\u4ef6\u5e93<\/h3>\n<p>\u73af\u5f62\u7f13\u51b2\u5e93ring buffer\uff1a\u4ec0\u4e48\u662f\u6a21\u5757\u5316\uff0c\u600e\u4e48\u5199\u4e00\u4e2a\u597d\u7684C\u8bed\u8a00\u6a21\u5757\uff1f\u901a\u8fc7\u6807\u51c6\u5e93\uff0c\u5f00\u6e90\u5e93\uff0c\u9a71\u52a8\u5e93\u5b66\u4e60<\/p>\n<h4>lwrb.h<\/h4>\n<pre><code class=\"prism language-c\"><span class=\"token comment\">\/** * \\file lwrb.h * \\brief LwRB - Lightweight ring buffer *\/<\/span> <span class=\"token comment\">\/* * Copyright (c) 2020 Tilen MAJERLE * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the \"Software\"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, * publish, distribute, sublicense, and\/or sell copies of the Software, * and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * This file is part of LwRB - Lightweight ring buffer library. * * Author: Tilen MAJERLE &lt;tilen@majerle.eu&gt; * Version: v2.0.1 *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">LWRB_HDR_H<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">LWRB_HDR_H<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string.h&gt;<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdint.h&gt;<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">__cplusplus<\/span><\/span> <span class=\"token keyword\">extern<\/span> <span class=\"token string\">\"C\"<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/* __cplusplus *\/<\/span><\/span> <span class=\"token comment\">\/** * \\defgroup LWRB Lightweight ring buffer manager * \\brief Lightweight ring buffer manager * \\{ *\/<\/span> <span class=\"token comment\">\/** * \\brief Enable buffer structure pointer parameter as volatile * To use this feature, uncomment keyword below *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">LWRB_VOLATILE<\/span> <span class=\"token comment\">\/* volatile *\/<\/span><\/span> <span class=\"token comment\">\/** * \\brief Adds 2 magic words to make sure if memory is corrupted * application can detect wrong data pointer and maximum size *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">LWRB_USE_MAGIC<\/span> <span class=\"token expression\"><span class=\"token number\">1<\/span><\/span><\/span> <span class=\"token comment\">\/** * \\brief Event type for buffer operations *\/<\/span> <span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">enum<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> LWRB_EVT_READ<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/*!&lt; Read event *\/<\/span> LWRB_EVT_WRITE<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/*!&lt; Write event *\/<\/span> LWRB_EVT_RESET<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/*!&lt; Reset event *\/<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token class-name\">lwrb_evt_type_t<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/** * \\brief Buffer structure forward declaration *\/<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">lwrb<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/** * \\brief Event callback function type * \\param[in] buff: Buffer handle for event * \\param[in] evt: Event type * \\param[in] bp: Number of bytes written or read (when used), depends on event type *\/<\/span> <span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>lwrb_evt_fn<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">lwrb<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">lwrb_evt_type_t<\/span> evt<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> bp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/** * \\brief Buffer structure *\/<\/span> <span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">lwrb<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">if<\/span> <span class=\"token expression\">LWRB_USE_MAGIC<\/span><\/span> <span class=\"token class-name\">uint32_t<\/span> magic1<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*!&lt; Magic 1 word *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/* LWRB_USE_MAGIC *\/<\/span><\/span> <span class=\"token class-name\">uint8_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*!&lt; Pointer to buffer data. Buffer is considered initialized when `buff != NULL` and `size &gt; 0` *\/<\/span> <span class=\"token class-name\">size_t<\/span> size<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*!&lt; Size of buffer data. Size of actual buffer is `1` byte less than value holds *\/<\/span> <span class=\"token class-name\">size_t<\/span> r<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*!&lt; Next read pointer. Buffer is considered empty when `r == w` and full when `w == r - 1` *\/<\/span> <span class=\"token class-name\">size_t<\/span> w<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*!&lt; Next write pointer. Buffer is considered empty when `r == w` and full when `w == r - 1` *\/<\/span> lwrb_evt_fn evt_fn<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*!&lt; Pointer to event callback function *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">if<\/span> <span class=\"token expression\">LWRB_USE_MAGIC<\/span><\/span> <span class=\"token class-name\">uint32_t<\/span> magic2<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/*!&lt; Magic 2 word *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/* LWRB_USE_MAGIC *\/<\/span><\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token class-name\">lwrb_t<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">uint8_t<\/span> <span class=\"token function\">lwrb_init<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> buffdata<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">uint8_t<\/span> <span class=\"token function\">lwrb_is_ready<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">lwrb_free<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">lwrb_reset<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">lwrb_set_evt_fn<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> lwrb_evt_fn fn<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Read\/Write functions *\/<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_write<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> data<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> btw<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_read<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> data<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> btr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_peek<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> skip_count<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> data<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> btp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Buffer size information *\/<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_get_free<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_get_full<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Read data block management *\/<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> <span class=\"token function\">lwrb_get_linear_block_read_address<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_get_linear_block_read_length<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_skip<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Write data block management *\/<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> <span class=\"token function\">lwrb_get_linear_block_write_address<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_get_linear_block_write_length<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_advance<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/** * \\} *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">__cplusplus<\/span><\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/* __cplusplus *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/* LWRB_HDR_H *\/<\/span><\/span> <\/code><\/pre>\n<h4>lwrb.c<\/h4>\n<pre><code class=\"prism language-c\"><span class=\"token comment\">\/** * \\file lwrb.c * \\brief Lightweight ring buffer *\/<\/span> <span class=\"token comment\">\/* * Copyright (c) 2020 Tilen MAJERLE * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the \"Software\"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, * publish, distribute, sublicense, and\/or sell copies of the Software, * and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * This file is part of LwRB - Lightweight ring buffer library. * * Author: Tilen MAJERLE &lt;tilen@majerle.eu&gt; * Version: v2.0.1 *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">\"lwrb.h\"<\/span><\/span> <span class=\"token comment\">\/* Memory set and copy functions *\/<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">BUF_MEMSET<\/span> <span class=\"token expression\">memset<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">BUF_MEMCPY<\/span> <span class=\"token expression\">memcpy<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">BUF_MAGIC1<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token number\">0xDEADBEEF<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">BUF_MAGIC2<\/span> <span class=\"token expression\"><span class=\"token punctuation\">(<\/span><span class=\"token operator\">~<\/span><span class=\"token number\">0xDEADBEEF<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">if<\/span> <span class=\"token expression\">LWRB_USE_MAGIC<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">BUF_IS_VALID<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!=<\/span> <span class=\"token constant\">NULL<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span>magic1 <span class=\"token operator\">==<\/span> BUF_MAGIC1 <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span>magic2 <span class=\"token operator\">==<\/span> BUF_MAGIC2 <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span>buff <span class=\"token operator\">!=<\/span> <span class=\"token constant\">NULL<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span>size <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">else<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">BUF_IS_VALID<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!=<\/span> <span class=\"token constant\">NULL<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span>buff <span class=\"token operator\">!=<\/span> <span class=\"token constant\">NULL<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span>size <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/* LWRB_USE_MAGIC *\/<\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">BUF_MIN<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span> y<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token punctuation\">(<\/span>y<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">?<\/span> <span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>y<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">BUF_MAX<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span> y<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token punctuation\">(<\/span>y<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">?<\/span> <span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>y<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">BUF_SEND_EVT<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">,<\/span> type<span class=\"token punctuation\">,<\/span> bp<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">do<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span>evt_fn <span class=\"token operator\">!=<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">evt_fn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>bp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span> <span class=\"token comment\">\/** * \\brief Initialize buffer handle to default values with size and buffer data array * \\param[in] buff: Buffer handle * \\param[in] buffdata: Pointer to memory to use as buffer data * \\param[in] size: Size of `buffdata` in units of bytes * Maximum number of bytes buffer can hold is `size - 1` * \\return `1` on success, `0` otherwise *\/<\/span> <span class=\"token class-name\">uint8_t<\/span> <span class=\"token function\">lwrb_init<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> buffdata<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> size<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>buff <span class=\"token operator\">==<\/span> <span class=\"token constant\">NULL<\/span> <span class=\"token operator\">||<\/span> buffdata <span class=\"token operator\">==<\/span> <span class=\"token constant\">NULL<\/span> <span class=\"token operator\">||<\/span> size <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token function\">BUF_MEMSET<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>buff<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0x00<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> buff<span class=\"token operator\">-&gt;<\/span>size <span class=\"token operator\">=<\/span> size<span class=\"token punctuation\">;<\/span> buff<span class=\"token operator\">-&gt;<\/span>buff <span class=\"token operator\">=<\/span> buffdata<span class=\"token punctuation\">;<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">if<\/span> <span class=\"token expression\">LWRB_USE_MAGIC<\/span><\/span> buff<span class=\"token operator\">-&gt;<\/span>magic1 <span class=\"token operator\">=<\/span> BUF_MAGIC1<span class=\"token punctuation\">;<\/span> buff<span class=\"token operator\">-&gt;<\/span>magic2 <span class=\"token operator\">=<\/span> BUF_MAGIC2<span class=\"token punctuation\">;<\/span> <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span> <span class=\"token comment\">\/* LWRB_USE_MAGIC *\/<\/span><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Check if buff is initialized and ready to use * \\param[in] buff: Buffer handle * \\return `1` if ready, `0` otherwise *\/<\/span> <span class=\"token class-name\">uint8_t<\/span> <span class=\"token function\">lwrb_is_ready<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Free buffer memory * \\note Since implementation does not use dynamic allocation, * it just sets buffer handle to `NULL` * \\param[in] buff: Buffer handle *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">lwrb_free<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> buff<span class=\"token operator\">-&gt;<\/span>buff <span class=\"token operator\">=<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Set event function callback for different buffer operations * \\param[in] buff: Buffer handle * \\param[in] evt_fn: Callback function *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">lwrb_set_evt_fn<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> lwrb_evt_fn evt_fn<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> buff<span class=\"token operator\">-&gt;<\/span>evt_fn <span class=\"token operator\">=<\/span> evt_fn<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Write data to buffer. * Copies data from `data` array to buffer and marks buffer as full for maximum `btw` number of bytes * * \\param[in] buff: Buffer handle * \\param[in] data: Pointer to data to write into buffer * \\param[in] btw: Number of bytes to write * \\return Number of bytes written to buffer. * When returned value is less than `btw`, there was no enough memory available * to copy full data array *\/<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_write<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> data<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> btw<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">size_t<\/span> tocopy<span class=\"token punctuation\">,<\/span> free<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">uint8_t<\/span><span class=\"token operator\">*<\/span> d <span class=\"token operator\">=<\/span> data<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> data <span class=\"token operator\">==<\/span> <span class=\"token constant\">NULL<\/span> <span class=\"token operator\">||<\/span> btw <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Calculate maximum number of bytes available to write *\/<\/span> free <span class=\"token operator\">=<\/span> <span class=\"token function\">lwrb_get_free<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> btw <span class=\"token operator\">=<\/span> <span class=\"token function\">BUF_MIN<\/span><span class=\"token punctuation\">(<\/span>free<span class=\"token punctuation\">,<\/span> btw<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>btw <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Step 1: Write data to linear part of buffer *\/<\/span> tocopy <span class=\"token operator\">=<\/span> <span class=\"token function\">BUF_MIN<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token operator\">-&gt;<\/span>size <span class=\"token operator\">-<\/span> buff<span class=\"token operator\">-&gt;<\/span>w<span class=\"token punctuation\">,<\/span> btw<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">BUF_MEMCPY<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>buff<span class=\"token operator\">-&gt;<\/span>buff<span class=\"token punctuation\">[<\/span>buff<span class=\"token operator\">-&gt;<\/span>w<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> d<span class=\"token punctuation\">,<\/span> tocopy<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> buff<span class=\"token operator\">-&gt;<\/span>w <span class=\"token operator\">+=<\/span> tocopy<span class=\"token punctuation\">;<\/span> btw <span class=\"token operator\">-=<\/span> tocopy<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Step 2: Write data to beginning of buffer (overflow part) *\/<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>btw <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">BUF_MEMCPY<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token operator\">-&gt;<\/span>buff<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>d<span class=\"token punctuation\">[<\/span>tocopy<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> btw<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> buff<span class=\"token operator\">-&gt;<\/span>w <span class=\"token operator\">=<\/span> btw<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Step 3: Check end of buffer *\/<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>buff<span class=\"token operator\">-&gt;<\/span>w <span class=\"token operator\">&gt;=<\/span> buff<span class=\"token operator\">-&gt;<\/span>size<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> buff<span class=\"token operator\">-&gt;<\/span>w <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token function\">BUF_SEND_EVT<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">,<\/span> LWRB_EVT_WRITE<span class=\"token punctuation\">,<\/span> tocopy <span class=\"token operator\">+<\/span> btw<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> tocopy <span class=\"token operator\">+<\/span> btw<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Read data from buffer. * Copies data from buffer to `data` array and marks buffer as free for maximum `btr` number of bytes * * \\param[in] buff: Buffer handle * \\param[out] data: Pointer to output memory to copy buffer data to * \\param[in] btr: Number of bytes to read * \\return Number of bytes read and copied to data array *\/<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_read<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> data<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> btr<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">size_t<\/span> tocopy<span class=\"token punctuation\">,<\/span> full<span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">uint8_t<\/span><span class=\"token operator\">*<\/span> d <span class=\"token operator\">=<\/span> data<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> data <span class=\"token operator\">==<\/span> <span class=\"token constant\">NULL<\/span> <span class=\"token operator\">||<\/span> btr <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Calculate maximum number of bytes available to read *\/<\/span> full <span class=\"token operator\">=<\/span> <span class=\"token function\">lwrb_get_full<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> btr <span class=\"token operator\">=<\/span> <span class=\"token function\">BUF_MIN<\/span><span class=\"token punctuation\">(<\/span>full<span class=\"token punctuation\">,<\/span> btr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>btr <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Step 1: Read data from linear part of buffer *\/<\/span> tocopy <span class=\"token operator\">=<\/span> <span class=\"token function\">BUF_MIN<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token operator\">-&gt;<\/span>size <span class=\"token operator\">-<\/span> buff<span class=\"token operator\">-&gt;<\/span>r<span class=\"token punctuation\">,<\/span> btr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">BUF_MEMCPY<\/span><span class=\"token punctuation\">(<\/span>d<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>buff<span class=\"token operator\">-&gt;<\/span>buff<span class=\"token punctuation\">[<\/span>buff<span class=\"token operator\">-&gt;<\/span>r<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> tocopy<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> buff<span class=\"token operator\">-&gt;<\/span>r <span class=\"token operator\">+=<\/span> tocopy<span class=\"token punctuation\">;<\/span> btr <span class=\"token operator\">-=<\/span> tocopy<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Step 2: Read data from beginning of buffer (overflow part) *\/<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>btr <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">BUF_MEMCPY<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>d<span class=\"token punctuation\">[<\/span>tocopy<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> buff<span class=\"token operator\">-&gt;<\/span>buff<span class=\"token punctuation\">,<\/span> btr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> buff<span class=\"token operator\">-&gt;<\/span>r <span class=\"token operator\">=<\/span> btr<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Step 3: Check end of buffer *\/<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>buff<span class=\"token operator\">-&gt;<\/span>r <span class=\"token operator\">&gt;=<\/span> buff<span class=\"token operator\">-&gt;<\/span>size<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> buff<span class=\"token operator\">-&gt;<\/span>r <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token function\">BUF_SEND_EVT<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">,<\/span> LWRB_EVT_READ<span class=\"token punctuation\">,<\/span> tocopy <span class=\"token operator\">+<\/span> btr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> tocopy <span class=\"token operator\">+<\/span> btr<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Read from buffer without changing read pointer (peek only) * \\param[in] buff: Buffer handle * \\param[in] skip_count: Number of bytes to skip before reading data * \\param[out] data: Pointer to output memory to copy buffer data to * \\param[in] btp: Number of bytes to peek * \\return Number of bytes peeked and written to output array *\/<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_peek<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> skip_count<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> data<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> btp<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">size_t<\/span> full<span class=\"token punctuation\">,<\/span> tocopy<span class=\"token punctuation\">,<\/span> r<span class=\"token punctuation\">;<\/span> <span class=\"token class-name\">uint8_t<\/span><span class=\"token operator\">*<\/span> d <span class=\"token operator\">=<\/span> data<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> data <span class=\"token operator\">==<\/span> <span class=\"token constant\">NULL<\/span> <span class=\"token operator\">||<\/span> btp <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> r <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>r<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Calculate maximum number of bytes available to read *\/<\/span> full <span class=\"token operator\">=<\/span> <span class=\"token function\">lwrb_get_full<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Skip beginning of buffer *\/<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>skip_count <span class=\"token operator\">&gt;=<\/span> full<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> r <span class=\"token operator\">+=<\/span> skip_count<span class=\"token punctuation\">;<\/span> full <span class=\"token operator\">-=<\/span> skip_count<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>r <span class=\"token operator\">&gt;=<\/span> buff<span class=\"token operator\">-&gt;<\/span>size<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> r <span class=\"token operator\">-=<\/span> buff<span class=\"token operator\">-&gt;<\/span>size<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Check maximum number of bytes available to read after skip *\/<\/span> btp <span class=\"token operator\">=<\/span> <span class=\"token function\">BUF_MIN<\/span><span class=\"token punctuation\">(<\/span>full<span class=\"token punctuation\">,<\/span> btp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>btp <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Step 1: Read data from linear part of buffer *\/<\/span> tocopy <span class=\"token operator\">=<\/span> <span class=\"token function\">BUF_MIN<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token operator\">-&gt;<\/span>size <span class=\"token operator\">-<\/span> r<span class=\"token punctuation\">,<\/span> btp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">BUF_MEMCPY<\/span><span class=\"token punctuation\">(<\/span>d<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>buff<span class=\"token operator\">-&gt;<\/span>buff<span class=\"token punctuation\">[<\/span>r<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> tocopy<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> btp <span class=\"token operator\">-=<\/span> tocopy<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* Step 2: Read data from beginning of buffer (overflow part) *\/<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>btp <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">BUF_MEMCPY<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>d<span class=\"token punctuation\">[<\/span>tocopy<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> buff<span class=\"token operator\">-&gt;<\/span>buff<span class=\"token punctuation\">,<\/span> btp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> tocopy <span class=\"token operator\">+<\/span> btp<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Get available size in buffer for write operation * \\param[in] buff: Buffer handle * \\return Number of free bytes in memory *\/<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_get_free<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">size_t<\/span> size<span class=\"token punctuation\">,<\/span> w<span class=\"token punctuation\">,<\/span> r<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Use temporary values in case they are changed during operations *\/<\/span> w <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>w<span class=\"token punctuation\">;<\/span> r <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>r<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>w <span class=\"token operator\">==<\/span> r<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> size <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>size<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>r <span class=\"token operator\">&gt;<\/span> w<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> size <span class=\"token operator\">=<\/span> r <span class=\"token operator\">-<\/span> w<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> size <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>size <span class=\"token operator\">-<\/span> <span class=\"token punctuation\">(<\/span>w <span class=\"token operator\">-<\/span> r<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Buffer free size is always 1 less than actual size *\/<\/span> <span class=\"token keyword\">return<\/span> size <span class=\"token operator\">-<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Get number of bytes currently available in buffer * \\param[in] buff: Buffer handle * \\return Number of bytes ready to be read *\/<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_get_full<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">size_t<\/span> w<span class=\"token punctuation\">,<\/span> r<span class=\"token punctuation\">,<\/span> size<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Use temporary values in case they are changed during operations *\/<\/span> w <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>w<span class=\"token punctuation\">;<\/span> r <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>r<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>w <span class=\"token operator\">==<\/span> r<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> size <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>w <span class=\"token operator\">&gt;<\/span> r<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> size <span class=\"token operator\">=<\/span> w <span class=\"token operator\">-<\/span> r<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> size <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>size <span class=\"token operator\">-<\/span> <span class=\"token punctuation\">(<\/span>r <span class=\"token operator\">-<\/span> w<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> size<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Resets buffer to default values. Buffer size is not modified * \\param[in] buff: Buffer handle *\/<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">lwrb_reset<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> buff<span class=\"token operator\">-&gt;<\/span>w <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> buff<span class=\"token operator\">-&gt;<\/span>r <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">BUF_SEND_EVT<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">,<\/span> LWRB_EVT_RESET<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Get linear address for buffer for fast read * \\param[in] buff: Buffer handle * \\return Linear buffer start address *\/<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> <span class=\"token function\">lwrb_get_linear_block_read_address<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&amp;<\/span>buff<span class=\"token operator\">-&gt;<\/span>buff<span class=\"token punctuation\">[<\/span>buff<span class=\"token operator\">-&gt;<\/span>r<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Get length of linear block address before it overflows for read operation * \\param[in] buff: Buffer handle * \\return Linear buffer size in units of bytes for read operation *\/<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_get_linear_block_read_length<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">size_t<\/span> w<span class=\"token punctuation\">,<\/span> r<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Use temporary values in case they are changed during operations *\/<\/span> w <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>w<span class=\"token punctuation\">;<\/span> r <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>r<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>w <span class=\"token operator\">&gt;<\/span> r<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> len <span class=\"token operator\">=<\/span> w <span class=\"token operator\">-<\/span> r<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>r <span class=\"token operator\">&gt;<\/span> w<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> len <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>size <span class=\"token operator\">-<\/span> r<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> len <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> len<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Skip (ignore; advance read pointer) buffer data * Marks data as read in the buffer and increases free memory for up to `len` bytes * * \\note Useful at the end of streaming transfer such as DMA * \\param[in] buff: Buffer handle * \\param[in] len: Number of bytes to skip and mark as read * \\return Number of bytes skipped *\/<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_skip<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> len<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">size_t<\/span> full<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> len <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> full <span class=\"token operator\">=<\/span> <span class=\"token function\">lwrb_get_full<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> len <span class=\"token operator\">=<\/span> <span class=\"token function\">BUF_MIN<\/span><span class=\"token punctuation\">(<\/span>len<span class=\"token punctuation\">,<\/span> full<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> buff<span class=\"token operator\">-&gt;<\/span>r <span class=\"token operator\">+=<\/span> len<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>buff<span class=\"token operator\">-&gt;<\/span>r <span class=\"token operator\">&gt;=<\/span> buff<span class=\"token operator\">-&gt;<\/span>size<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> buff<span class=\"token operator\">-&gt;<\/span>r <span class=\"token operator\">-=<\/span> buff<span class=\"token operator\">-&gt;<\/span>size<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token function\">BUF_SEND_EVT<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">,<\/span> LWRB_EVT_READ<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> len<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Get linear address for buffer for fast read * \\param[in] buff: Buffer handle * \\return Linear buffer start address *\/<\/span> <span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> <span class=\"token function\">lwrb_get_linear_block_write_address<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&amp;<\/span>buff<span class=\"token operator\">-&gt;<\/span>buff<span class=\"token punctuation\">[<\/span>buff<span class=\"token operator\">-&gt;<\/span>w<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Get length of linear block address before it overflows for write operation * \\param[in] buff: Buffer handle * \\return Linear buffer size in units of bytes for write operation *\/<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_get_linear_block_write_length<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">size_t<\/span> w<span class=\"token punctuation\">,<\/span> r<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/* Use temporary values in case they are changed during operations *\/<\/span> w <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>w<span class=\"token punctuation\">;<\/span> r <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>r<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>w <span class=\"token operator\">&gt;=<\/span> r<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> len <span class=\"token operator\">=<\/span> buff<span class=\"token operator\">-&gt;<\/span>size <span class=\"token operator\">-<\/span> w<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/* * When read pointer is 0, * maximal length is one less as if too many bytes * are written, buffer would be considered empty again (r == w) *\/<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>r <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/* * Cannot overflow: * - If r is not 0, statement does not get called * - buff-&gt;size cannot be 0 and if r is 0, len is greater 0 *\/<\/span> <span class=\"token operator\">--<\/span>len<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> len <span class=\"token operator\">=<\/span> r <span class=\"token operator\">-<\/span> w <span class=\"token operator\">-<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> len<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/** * \\brief Advance write pointer in the buffer. * Similar to skip function but modifies write pointer instead of read * * \\note Useful when hardware is writing to buffer and application needs to increase number * of bytes written to buffer by hardware * \\param[in] buff: Buffer handle * \\param[in] len: Number of bytes to advance * \\return Number of bytes advanced for write operation *\/<\/span> <span class=\"token class-name\">size_t<\/span> <span class=\"token function\">lwrb_advance<\/span><span class=\"token punctuation\">(<\/span>LWRB_VOLATILE <span class=\"token class-name\">lwrb_t<\/span><span class=\"token operator\">*<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">size_t<\/span> len<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token class-name\">size_t<\/span> free<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">BUF_IS_VALID<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> len <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> free <span class=\"token operator\">=<\/span> <span class=\"token function\">lwrb_get_free<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> len <span class=\"token operator\">=<\/span> <span class=\"token function\">BUF_MIN<\/span><span class=\"token punctuation\">(<\/span>len<span class=\"token punctuation\">,<\/span> free<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> buff<span class=\"token operator\">-&gt;<\/span>w <span class=\"token operator\">+=<\/span> len<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>buff<span class=\"token operator\">-&gt;<\/span>w <span class=\"token operator\">&gt;=<\/span> buff<span class=\"token operator\">-&gt;<\/span>size<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> buff<span class=\"token operator\">-&gt;<\/span>w <span class=\"token operator\">-=<\/span> buff<span class=\"token operator\">-&gt;<\/span>size<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token function\">BUF_SEND_EVT<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">,<\/span> LWRB_EVT_WRITE<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> len<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> 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