{"id":12823,"date":"2025-04-18T19:55:41","date_gmt":"2025-04-18T11:55:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/12823.html"},"modified":"2025-04-18T19:55:41","modified_gmt":"2025-04-18T11:55:41","slug":"%e8%93%9d%e6%a1%a5%e6%9d%af%e5%b5%8c%e5%85%a5%e5%bc%8f%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/12823.html","title":{"rendered":"\u84dd\u6865\u676f\u5d4c\u5165\u5f0f\u5b66\u4e60\u7b14\u8bb0"},"content":{"rendered":"<\/p>\n<h4>\u7528\u535a\u5ba2\u6765\u8bb0\u5f55\u4e00\u4e0b\u53c2\u52a0\u84dd\u6865\u676f\u5d4c\u5165\u5f0f\u7b2c\u5341\u516d\u5c4a\u7701\u8d5b\u7684\u5b66\u4e60\u7ecf\u5386<\/h4>\n<ul>\n<li>\u5de5\u5177<\/li>\n<li>\n<ul>\n<li>\u73af\u5883\u51c6\u5907<\/li>\n<li>\n<ul>\n<li>cubemx\u914d\u7f6e<\/li>\n<li>\n<ul>\n<li>\u5916\u90e8\u9ad8\u901f\u65f6\u949f\u4f7f\u80fd<\/li>\n<li>\u8bbe\u7f6e\u4e32\u53e3<\/li>\n<li>\u65f6\u949f\u914d\u7f6e<\/li>\n<li>\u9879\u76ee\u914d\u7f6e<\/li>\n<\/ul>\n<\/li>\n<li>keil\u914d\u7f6e<\/li>\n<li>\n<ul>\n<li>\u70e7\u5f55\u65b9\u5f0f<\/li>\n<li>\u6ce8\u610f<\/li>\n<li>\u4ee3\u7801\u89c4\u8303<\/li>\n<li>\u5934\u6587\u4ef6\u914d\u7f6e<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u6a21\u5757<\/li>\n<li>\n<ul>\n<li>led<\/li>\n<li>\n<ul>\n<li>cubemx\u914d\u7f6e<\/li>\n<li>keil\u4ee3\u7801<\/li>\n<li>\n<ul>\n<li>\u5b9e\u73b0\u70b9\u4eae\u4e00\u53ea\u706f<\/li>\n<li>\u5b9e\u73b0\u5177\u4f53\u64cd\u4f5c\u7684\u706f&#xff0c;\u4ee5\u53ca\u70b9\u4eae\u8fd8\u662f\u7184\u706d<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u6309\u952e<\/li>\n<li>\n<ul>\n<li>cubemx\u914d\u7f6e<\/li>\n<li>keil\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<li>LCD<\/li>\n<li>\n<ul>\n<li>keil\u4ee3\u7801<\/li>\n<li>\u5f15\u811a\u51b2\u7a81\u95ee\u9898<\/li>\n<\/ul>\n<\/li>\n<li>LED\u95ea\u70c1<\/li>\n<li>\n<ul>\n<li>cubemx\u914d\u7f6e<\/li>\n<li>keil\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<li>\u6309\u952e\u957f\u6309<\/li>\n<li>\n<ul>\n<li>cubemx\u914d\u7f6e<\/li>\n<li>keil\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<li>LCD\u9ad8\u4eae\u663e\u793a<\/li>\n<li>\n<ul>\n<li>keil\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<li>PWM\u8f93\u51fa<\/li>\n<li>\n<ul>\n<li>\u8ba1\u7b97\u516c\u5f0f<\/li>\n<li>cubemx\u914d\u7f6e<\/li>\n<li>keil\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<li>\u8f93\u5165\u6355\u83b7\u6d4b\u91cf\u5f15\u811a\u8f93\u51faPWM\u6ce2\u5468\u671f<\/li>\n<li>\n<ul>\n<li>\u539f\u7406\u56fe<\/li>\n<li>\u8981\u6c42&#xff1a;\u7528PA7\u6765\u6d4b\u91cfPA1\u751f\u6210PWM\u6ce2\u7684\u9891\u7387<\/li>\n<li>cubemx\u914d\u7f6e<\/li>\n<li>keil\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<li>\u8f93\u5165\u6355\u83b7\u6d4b\u91cf555\u5b9a\u65f6\u5668\u9891\u7387<\/li>\n<li>\n<ul>\n<li>\u539f\u7406\u56fe<\/li>\n<li>cubemx\u914d\u7f6e<\/li>\n<li>keil\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<li>ADC\u6d4b\u91cf<\/li>\n<li>\n<ul>\n<li>\u539f\u7406\u56fe<\/li>\n<li>cubemx\u914d\u7f6e<\/li>\n<li>keil\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<li>\u4e32\u53e3\u53d1\u9001\u548c\u63a5\u6536<\/li>\n<li>\n<ul>\n<li>\u539f\u7406\u56fe<\/li>\n<li>cubemx\u914d\u7f6e<\/li>\n<li>keil\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<li>\u5229\u7528\u5b9a\u65f6\u5668\u8fdb\u884c\u4e32\u53e3\u4e0d\u5b9a\u957f\u6570\u636e\u63a5\u6536<\/li>\n<li>\n<ul>\n<li>\u539f\u7406<\/li>\n<li>cubemx\u914d\u7f6e<\/li>\n<li>keil\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<li>EEPROM\u8bfb\u5199<\/li>\n<li>\n<ul>\n<li>\u539f\u7406<\/li>\n<li>keil\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u5de5\u5177<\/h2>\n<p>keil5&#xff0c;stm32cube<\/p>\n<h3>\u73af\u5883\u51c6\u5907<\/h3>\n<p>\u6839\u636e\u8d5b\u4e8b\u65b9\u63d0\u4f9b\u7684\u677f\u5b50\u6765\u9009\u62e9cubemx\u4e0a\u7684\u5668\u4ef6 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115532-68023db4cc1bc.png\" alt=\"\u3002\u3002\u3002\" \/><\/p>\n<h4>cubemx\u914d\u7f6e<\/h4>\n<h5>\u5916\u90e8\u9ad8\u901f\u65f6\u949f\u4f7f\u80fd<\/h5>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115533-68023db53996a.png\" alt=\"\u5916\u90e8\u9ad8\u901f\u65f6\u949f\u4f7f\u80fd\" \/><\/p>\n<h5>\u8bbe\u7f6e\u4e32\u53e3<\/h5>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115533-68023db58dd0e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h5>\u65f6\u949f\u914d\u7f6e<\/h5>\n<p>\u65f6\u949f\u914d\u7f6e\u4e3a24MHZ\u56e0\u4e3a\u5916\u90e8\u6676\u632f\u4e3a24MHZ&#xff0c;\u5176\u4f59\u7684\u6682\u65f6\u4e0d\u6e05\u695a\u539f\u56e0 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115534-68023db623d93.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h5>\u9879\u76ee\u914d\u7f6e<\/h5>\n<p>\u914d\u7f6e\u4e3aMDK \u9700\u8981\u6ce8\u610f&#xff0c;\u56fa\u4ef6\u5730\u5740\u9700\u8981\u8bbe\u7f6e\u4e3a\u4e0b\u8f7d\u89e3\u538b\u540e\u7684\u6587\u4ef6\u5730\u5740&#xff08;\u63d0\u524d\u4ece\u6570\u636e\u5305\u4e2d\u4e0b\u8f7d&#xff09; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115534-68023db6a804b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u52fe\u9009\u751f\u6210.c.h\u6587\u4ef6 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115535-68023db700dd9.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u6ce8\u610f\u4e00\u4e0b&#xff0c;\u4e0b\u8f7d\u597d\u8f6f\u4ef6\u540e&#xff0c;\u8981\u89e3\u538b\u56fa\u4ef6\u5305&#xff0c;\u7136\u540e\u5728help\u4e2d\u8bbe\u7f6e\u5730\u5740 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115535-68023db74a0b7.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>keil\u914d\u7f6e<\/h4>\n<h5>\u70e7\u5f55\u65b9\u5f0f<\/h5>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115535-68023db7e8a45.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u70e7\u5f55\u8bbe\u7f6e <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115536-68023db82ce64.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u8981\u662f\u6ca1\u6709\u82af\u7247\u5305&#xff0c;\u9700\u8981\u4ece\u8d5b\u4e8b\u6570\u636e\u5305\u4e2d\u89e3\u538b&#xff0c;\u4f1a\u81ea\u52a8\u751f\u6210 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115536-68023db85429f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> keil\u4ee3\u7801\u81ea\u52a8\u8865\u5168 \u70b9\u51fbedit&#xff0c;configraution\u9009\u62e9\u8ddf\u7f16\u8bd1\u76f8\u5173\u7684Text Completion,\u7136\u540e\u52fe\u7ebf\u7b2c\u4e09\u4e2a <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115536-68023db894371.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h5>\u6ce8\u610f<\/h5>\n<p>\u4ee3\u7801\u9700\u8981\u5199\u5165begin &#8211; end\u4e4b\u95f4<\/p>\n<h5>\u4ee3\u7801\u89c4\u8303<\/h5>\n<p>\u65b0\u5efacode\u6587\u4ef6\u5939 \u53f3\u952eCMSIS&#xff0c;\u70b9\u51fbManage Project&#xff0c;\u65b0\u5efa\u4e00\u4e2a\u6587\u4ef6\u5939 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115536-68023db8c352e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u70b9\u51fb\u9b54\u672f\u68d2&#xff0c;c&#043;&#043;&#xff0c;include path&#xff0c;\u6dfb\u52a0\u6587\u4ef6\u5939\u8def\u5f84 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115537-68023db964a2a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u7136\u540e\u6dfb\u52a0fun.c,fun.h,headfile.h \u4e09\u4e2a\u6587\u4ef6 \u5934\u6587\u4ef6\u53ef\u80fd\u663e\u793a\u4e0d\u51fa\u6765&#xff0c;\u6240\u4ee5\u9700\u8981\u6dfb\u52a0existing file \u518d\u52fe\u9009all file&#xff0c;\u5373\u53ef\u6dfb\u52a0<\/p>\n<h5>\u5934\u6587\u4ef6\u914d\u7f6e<\/h5>\n<p>headfile.h <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115537-68023db9a7c11.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> fun.h <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115538-68023dba1f98e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>fun.c <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115538-68023dbaa02e5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> main.c <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115538-68023dbae8a0c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>\u6a21\u5757<\/h2>\n<h3>led<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115539-68023dbb5018f.png\" alt=\"led\u5f15\u811a\u5206\u914d\u56fe\" \/> \u901a\u8fc7\u89c2\u5bdf\u5f00\u53d1\u677fled\u7535\u8def\u56fe\u53ef\u4ee5\u53d1\u73b0&#xff0c;led\u7684\u7684\u5f15\u811a\u63a7\u5236\u7531PC8~15\u4f4e\u7535\u5e73\u70b9\u4eae,\u540c\u65f6PD2\u9501\u5b58\u5668\u63a7\u5236\u5f00\u5173&#xff0c;\u9700\u8981\u7f6e\u9ad8\u7535\u5e73<\/p>\n<h4>cubemx\u914d\u7f6e<\/h4>\n<p>\u5c06PC8~15\u8bbe\u7f6e\u4e3a\u8f93\u51fa&#xff0c;PD2\u8bbe\u7f6e\u4e3a\u8f93\u51fa \u5728GPIO\u914d\u7f6e\u4e2d&#xff0c;\u5c06\u5f15\u811a\u5168\u90e8\u914d\u7f6e\u4e3a\u9ad8\u7535\u5e73&#xff0c;\u4f7f\u5f97\u4e0a\u7535\u65f6LED\u706d <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115539-68023dbb83d7a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>keil\u4ee3\u7801<\/h4>\n<h5>\u5b9e\u73b0\u70b9\u4eae\u4e00\u53ea\u706f<\/h5>\n<p>fun.c\u4e3b\u8981\u4ee3\u7801<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>GPIOD<span class=\"token punctuation\">,<\/span> GPIO_PIN_2<span class=\"token punctuation\">,<\/span> GPIO_PIN_SET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>GPIOC<span class=\"token punctuation\">,<\/span> GPIO_PIN_8<span class=\"token punctuation\">,<\/span> GPIO_PIN_RESET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>GPIOD<span class=\"token punctuation\">,<\/span> GPIO_PIN_2<span class=\"token punctuation\">,<\/span> GPIO_PIN_RESET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>fun.h\u4ee3\u7801<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>main.c\u4ee3\u7801&#xff08;\u9700\u8981\u5728\u4e3b\u51fd\u6570\u5185&#xff09;<\/p>\n<p><span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h5>\u5b9e\u73b0\u5177\u4f53\u64cd\u4f5c\u7684\u706f&#xff0c;\u4ee5\u53ca\u70b9\u4eae\u8fd8\u662f\u7184\u706d<\/h5>\n<p>fun.c\u4ee3\u7801<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> led<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint8_t<\/span> mode<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>GPIOD<span class=\"token punctuation\">,<\/span> GPIO_PIN_2<span class=\"token punctuation\">,<\/span> GPIO_PIN_SET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>mode<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>GPIOC<span class=\"token punctuation\">,<\/span> GPIO_PIN_8 <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span>led <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> GPIO_PIN_RESET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/GPIO_PIN_8\u7684\u4e8c\u8fdb\u5236\u4ee3\u7801\u4e3a0000 0001 0000 0000 GPIO_PIN_9\u7684\u4e8c\u8fdb\u5236\u4ee3\u7801\u4e3a0000 0010 0000 0000,\u6240\u4ee5\u7528\u5de6\u79fb\u79fb\u4f4d\u7b26<\/span><br \/>\n<span class=\"token keyword\">else<\/span><br \/>\n<span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>GPIOC<span class=\"token punctuation\">,<\/span> GPIO_PIN_8 <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span>led <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> GPIO_PIN_SET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>GPIOD<span class=\"token punctuation\">,<\/span> GPIO_PIN_2<span class=\"token punctuation\">,<\/span> GPIO_PIN_RESET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>fun.h\u4ee3\u7801&#xff08;\u9700\u8981\u52a0\u4e0a\u90a3\u4e2a\u5934\u51fd\u6570&#xff09;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;stm32g4xx.h&#034;<\/span>                  <span class=\"token comment\">\/\/ Device header<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> led<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint8_t<\/span> mode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>main.c\u4ee3\u7801&#xff08;\u706f1, 4&#xff0c;8\u4eae&#xff09;<\/p>\n<p><span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>\u6309\u952e<\/h3>\n<p>\u539f\u7406\u56fe&#xff0c;\u5982\u56fe&#xff0c;\u9700\u8981\u5c06PB0~2,PA0\u914d\u7f6e\u4e3a\u4e0a\u62c9\u8f93\u5165\u6a21\u5f0f\u3002\u6309\u4e0b\u4e3a\u4f4e\u7535\u5e73&#xff0c;\u677e\u5f00\u4e3a\u9ad8\u7535\u5e73 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418115540-68023dbc0ecd1.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>cubemx\u914d\u7f6e<\/h4>\n<p><img decoding=\"async\" src=\"2025-04-18gjoc5t4yqfb.png\" alt=\",PA0\" \/><\/p>\n<h4>keil\u4ee3\u7801<\/h4>\n<p>fun.c\u4ee3\u7801<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">key_scan<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\nB1_state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>GPIOB<span class=\"token punctuation\">,<\/span> GPIO_PIN_0<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nB2_state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>GPIOB<span class=\"token punctuation\">,<\/span> GPIO_PIN_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nB3_state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>GPIOB<span class=\"token punctuation\">,<\/span> GPIO_PIN_2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nB4_state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>GPIOA<span class=\"token punctuation\">,<\/span> GPIO_PIN_0<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B1_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B1_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b0\u00b4\u00cf\u00c2<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B2_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B2_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b0\u00b4\u00cf\u00c2<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B3_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B3_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b0\u00b4\u00cf\u00c2<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B4_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B4_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b0\u00b4\u00cf\u00c2<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\nB1_last_state<span class=\"token operator\">&#061;<\/span> B1_state<span class=\"token punctuation\">;<\/span><br \/>\nB2_last_state<span class=\"token operator\">&#061;<\/span> B2_state<span class=\"token punctuation\">;<\/span><br \/>\nB3_last_state<span class=\"token operator\">&#061;<\/span> B3_state<span class=\"token punctuation\">;<\/span><br \/>\nB4_last_state<span class=\"token operator\">&#061;<\/span> B4_state<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>fun.h\u4ee3\u7801<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">key_scan<\/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 comment\">\/\/\u91cc\u9762\u6ca1\u6709\u8fd9\u4e2avoid\u4f1a\u6709waring&#xff0c;\u4f46\u5f71\u54cd\u4f3c\u4e4e\u4e0d\u5927<\/span><\/p>\n<p>main.c\u4ee3\u7801 \u540c\u6837\u653e\u5165while\u5faa\u73af\u4e2d <img decoding=\"async\" src=\"2025-04-18mo3bsau43nu.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>LCD<\/h3>\n<p>\u9996\u5148\u5728\u8d5b\u4e8b\u65b9\u63d0\u4f9b\u7684\u6570\u636e\u5305\u4e2d\u627e\u5230\u6db2\u6676\u9a71\u52a8\u53c2\u8003\u7a0b\u5e8f&#xff0c;HAL\u5e93\u7248\u672c&#xff0c;\u627e\u5230lcd.c&#xff0c;font.h&#xff0c;lcd,h,\u590d\u5236\u5230code\u6587\u4ef6\u5939&#xff0c;\u6253\u5f00keil\u5de5\u7a0b\u6587\u4ef6&#xff0c;\u6dfb\u52a0\u8fd9\u4e09\u4e2a\u6587\u4ef6 <img decoding=\"async\" src=\"2025-04-18rq5jtg3hemw.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u521d\u59cb\u51c6\u5907 main.c\u51fd\u6570 <img decoding=\"async\" src=\"2025-04-18zjwc0vi1ktx.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> headfile.h\u51fd\u6570 <img decoding=\"async\" src=\"2025-04-18xbu51qmwtkt.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>keil\u4ee3\u7801<\/h4>\n<p>\u5b9e\u73b0\u4e86\u5728\u7b2c\u4e00\u884c\u663e\u793a\u5b57\u7b26&#xff0c;\u6309\u952e\u6309\u4e0b\u65f6&#xff0c;\u7b2c\u4e09\u884c\u6570\u5b57\u53d8\u5316\u7684\u529f\u80fd fun.c\u4ee3\u7801<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;headfile.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> count <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> led<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint8_t<\/span> mode<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>GPIOD<span class=\"token punctuation\">,<\/span> GPIO_PIN_2<span class=\"token punctuation\">,<\/span> GPIO_PIN_SET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>mode<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>GPIOC<span class=\"token punctuation\">,<\/span> GPIO_PIN_8 <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span>led <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> GPIO_PIN_RESET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">else<\/span><br \/>\n<span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>GPIOC<span class=\"token punctuation\">,<\/span> GPIO_PIN_8 <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span>led <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> GPIO_PIN_SET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>GPIOD<span class=\"token punctuation\">,<\/span> GPIO_PIN_2<span class=\"token punctuation\">,<\/span> GPIO_PIN_RESET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token class-name\">uint8_t<\/span> B1_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B1_last_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B2_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B2_last_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B3_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B3_last_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B4_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B4_last_state<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">key_scan<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\nB1_state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>GPIOB<span class=\"token punctuation\">,<\/span> GPIO_PIN_0<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nB2_state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>GPIOB<span class=\"token punctuation\">,<\/span> GPIO_PIN_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nB3_state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>GPIOB<span class=\"token punctuation\">,<\/span> GPIO_PIN_2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nB4_state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>GPIOA<span class=\"token punctuation\">,<\/span> GPIO_PIN_0<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B1_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B1_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b0\u00b4\u00cf\u00c2<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\ncount <span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B2_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B2_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b0\u00b4\u00cf\u00c2<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\ncount <span class=\"token operator\">&#8212;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B3_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B3_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b0\u00b4\u00cf\u00c2<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B4_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B4_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b0\u00b4\u00cf\u00c2<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\nB1_last_state<span class=\"token operator\">&#061;<\/span> B1_state<span class=\"token punctuation\">;<\/span><br \/>\nB2_last_state<span class=\"token operator\">&#061;<\/span> B2_state<span class=\"token punctuation\">;<\/span><br \/>\nB3_last_state<span class=\"token operator\">&#061;<\/span> B3_state<span class=\"token punctuation\">;<\/span><br \/>\nB4_last_state<span class=\"token operator\">&#061;<\/span> B4_state<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">char<\/span> text<span class=\"token punctuation\">[<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/linemax &#061; 20<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">lcd_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;zlfsgdsg&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u00bf\u00c9\u00d2\u00d4\u00b5\u00f7\u00d5\u00fb\u00d7\u00d6\u00b7\u00fb\u00b4\u00ae\u00ce\u00bb\u00d6\u00c3\u00a3\u00ac\u00b5\u00ab\u00ca\u00c7\u00d7\u00ee\u00b6\u00e020\u00b8\u00f6\u00d7\u00d6\u00b7\u00fb<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line0<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;     count: %d     &#034;<\/span><span class=\"token punctuation\">,<\/span> count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line3<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>fun.h\u4ee3\u7801<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">_fun_h<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">_fun_h<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;stm32g4xx.h&#034;<\/span>                  <span class=\"token comment\">\/\/ Device header<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> led<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint8_t<\/span> mode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">key_scan<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">lcd_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p>main.c\u4ee3\u7801<\/p>\n<p><img decoding=\"async\" src=\"2025-04-18gzr5bm1p2xz.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>\u5f15\u811a\u51b2\u7a81\u95ee\u9898<\/h4>\n<p>lcd\u548cled\u7684\u5f15\u811a\u6709\u51b2\u7a81 <img decoding=\"async\" src=\"2025-04-18zab1fxjwfgw.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u89e3\u51b3\u529e\u6cd5&#xff1a;\u5c06PD2\u5f15\u811a\u63d0\u524d\u7f6e\u4f4e\u7535\u5e73&#xff0c;\u8fd9\u6837\u6570\u636e\u5c31\u4e0d\u80fd\u4f20\u5165led&#xff0c;led\u5c31\u4e0d\u4f1a\u70b9\u4eae\u4e86&#xff0c;\u4f46\u662f\u4e0b\u6b21\u70b9\u4eaeled\u65f6\u4f9d\u65e7\u4f1a\u51fa\u73b0\u8fd9\u6837\u7684\u95ee\u9898&#xff0c;\u6240\u4ee5\u9700\u8981\u5c06\u6240\u6709\u7528\u5230\u7684LCD.C\u51fd\u6570\u52a0\u4e0a<\/p>\n<p><span class=\"token class-name\">uint16_t<\/span> temp <span class=\"token operator\">&#061;<\/span> GPIOC<span class=\"token operator\">-&gt;<\/span>ODR<span class=\"token punctuation\">;<\/span><br \/>\nGPIOC<span class=\"token operator\">-&gt;<\/span>ODR <span class=\"token operator\">&#061;<\/span> temp<span class=\"token punctuation\">;<\/span><\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\u5982\u4e0b main.c &#xff08;\u5728\u521d\u59cb\u5316\u90e8\u5206&#xff09;<\/p>\n<p><span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>GPIOD<span class=\"token punctuation\">,<\/span> GPIO_PIN_2<span class=\"token punctuation\">,<\/span> GPIO_PIN_RESET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>lcd.c &#xff08;\u90e8\u5206\u4ee3\u7801&#xff09; <img decoding=\"async\" src=\"2025-04-181jfenay2hsu.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"2025-04-18aba4ld1wtai.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u95ee\u9898\u6210\u529f\u89e3\u51b3&#xff01;<\/p>\n<h3>LED\u95ea\u70c1<\/h3>\n<p>\u4e24\u4e2a\u91cd\u8981\u53c2\u6570&#xff1a;PSC,ARR \u5176\u4e2d\u7cfb\u7edf\u9891\u7387f\u4e3a80MHZ&#xff0c;\u5982\u679c\u8981\u8ba9T&#061;1&#xff0c;\u5219\u53ef\u4ee4ARR &#061; 9999&#xff0c;PSC &#061; 7999;\u5373\u53ef\u786e\u5b9a\u5b9a\u65f6\u5468\u671f\u4e3a1 <img decoding=\"async\" src=\"2025-04-18b1qblmtbrpw.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u521d\u59cb\u5316 \u5728headfile.h\u6587\u4ef6\u4e2d\u6dfb\u52a0tim.h\u6587\u4ef6\u5934 <img decoding=\"async\" src=\"2025-04-18qqguloawqil.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> main.c <img decoding=\"async\" src=\"2025-04-184c2iftmo3gw.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>cubemx\u914d\u7f6e<\/h4>\n<p>\u9700\u8981\u914d\u7f6e\u5b9a\u65f6\u5668&#xff0c;\u6b63\u5e38\u4f7f\u7528\u901a\u7528\u5b9a\u65f6\u5668TIM2\u5373\u53ef&#xff0c;\u91cd\u70b9\u662f\u4fee\u6539PSC\u548cARR <img decoding=\"async\" src=\"2025-04-18pzhy3i0ixlh.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"2025-04-18lmdu0o2nutq.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u751f\u6210\u4ee3\u7801\u540e\u53ef\u53d1\u73b0\u591a\u4e86tim.c\u51fd\u6570&#xff0c;\u627e\u5230stm32g4xx_hal_tim.h\u6587\u4ef6\u91cc\u9762\u7684call_back\u56de\u8c03\u51fd\u6570 <img decoding=\"async\" src=\"2025-04-18h1hursmvwfk.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5c06\u5176\u590d\u5236\u5230fun.c\u4e2d<\/p>\n<h4>keil\u4ee3\u7801<\/h4>\n<p>\u5728fun.c\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf<\/p>\n<p><span class=\"token class-name\">uint8_t<\/span> led_mode<span class=\"token punctuation\">;<\/span><\/p>\n<p><img decoding=\"async\" src=\"2025-04-18hn4fpqsowil.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u6309\u952e\u957f\u6309<\/h3>\n<p>\u539f\u7406&#xff0c;\u7528\u4e00\u4e2a\u8ba1\u6570\u5668cnt&#xff08;\u53d610000&#xff09;\u8ba1\u65f61s&#xff0c;20000\u5bf9\u5e942s&#xff0c;5000\u5bf9\u5e940.5s\u6765\u8ba1\u65f6&#xff0c;\u8fbe\u5230\u8bc6\u522b\u6309\u952e\u957f\u6309\u7684\u76ee\u7684<\/p>\n<h4>cubemx\u914d\u7f6e<\/h4>\n<p>\u6b64\u65f6TIM3\u4e0d\u4f7f\u80fd&#xff01;&#xff01; <img decoding=\"async\" src=\"2025-04-18451xpw0ri10.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>keil\u4ee3\u7801<\/h4>\n<p>fun.c\u4ee3\u7801<\/p>\n<p><span class=\"token class-name\">uint8_t<\/span> B1_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B1_last_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B2_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B2_last_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B3_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B3_last_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B4_state<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> B4_last_state<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">key_scan<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\nB1_state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>GPIOB<span class=\"token punctuation\">,<\/span> GPIO_PIN_0<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nB2_state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>GPIOB<span class=\"token punctuation\">,<\/span> GPIO_PIN_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nB3_state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>GPIOB<span class=\"token punctuation\">,<\/span> GPIO_PIN_2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nB4_state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>GPIOA<span class=\"token punctuation\">,<\/span> GPIO_PIN_0<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B1_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B1_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b0\u00b4\u00cf\u00c2<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\nTIM3<span class=\"token operator\">-&gt;<\/span>CNT <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B1_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B1_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00d2\u00bb\u00d6\u00b1\u00b0\u00b4\u00cf\u00c2<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>TIM3<span class=\"token operator\">-&gt;<\/span>CNT <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">10000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b3\u00a4\u00b0\u00b4<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\ncount<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B1_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B1_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00cb\u00c9\u00bf\u00aa<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>TIM3<span class=\"token operator\">-&gt;<\/span>CNT <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">10000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b6\u00cc\u00b0\u00b4<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\ncount <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B2_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B2_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b0\u00b4\u00cf\u00c2<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\ncount <span class=\"token operator\">&#8212;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B3_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B3_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b0\u00b4\u00cf\u00c2<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>B4_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> B4_last_state <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u00b0\u00b4\u00bc\u00fcB1\u00b0\u00b4\u00cf\u00c2<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">led_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\nB1_last_state<span class=\"token operator\">&#061;<\/span> B1_state<span class=\"token punctuation\">;<\/span><br \/>\nB2_last_state<span class=\"token operator\">&#061;<\/span> B2_state<span class=\"token punctuation\">;<\/span><br \/>\nB3_last_state<span class=\"token operator\">&#061;<\/span> B3_state<span class=\"token punctuation\">;<\/span><br \/>\nB4_last_state<span class=\"token operator\">&#061;<\/span> B4_state<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>main.c\u4ee3\u7801 \u9700\u8981\u6ce8\u610f&#xff01;\u7ed9TIM3\u4f7f\u80fd&#xff0c;\u4f46\u56e0\u4e3a\u4e0d\u662f\u4e2d\u65ad&#xff0c;\u662f\u5b9a\u65f6\u5668&#xff0c;\u6240\u4ee5\u4e0d\u7528IT <img decoding=\"async\" src=\"2025-04-18xdmm4zdjsd1.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>LCD\u9ad8\u4eae\u663e\u793a<\/h3>\n<p>\u5176\u5b9e\u5c31\u662f\u8c03\u7528 LCD_SetBackColor(Color);\u8fd9\u4e2a\u51fd\u6570&#xff0c;\u628a\u80cc\u666f\u989c\u8272\u6539\u6210\u9ec4\u8272<\/p>\n<h4>keil\u4ee3\u7801<\/h4>\n<p>\u5b9a\u4e49\u53d8\u91cf<\/p>\n<p><span class=\"token class-name\">uint8_t<\/span> lcd_highshow<span class=\"token punctuation\">;<\/span><\/p>\n<p>\u6309\u952eb1\u6309\u4e0b\u65f6<\/p>\n<p>lcd_highshow <span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\nlcd_highshow <span class=\"token operator\">%&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u903b\u8f91\u6d41\u7a0b \u5e94\u8be5\u86ee\u7b80\u5355\u7684&#xff0c;\u5c31\u4e0d\u5199\u6ce8\u91ca\u4e86<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">lcd_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;zlfsgdsg&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u00bf\u00c9\u00d2\u00d4\u00b5\u00f7\u00d5\u00fb\u00d7\u00d6\u00b7\u00fb\u00b4\u00ae\u00ce\u00bb\u00d6\u00c3\u00a3\u00ac\u00b5\u00ab\u00ca\u00c7\u00d7\u00ee\u00b6\u00e020\u00b8\u00f6\u00d7\u00d6\u00b7\u00fb<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line0<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>lcd_highshow <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">LCD_SetBackColor<\/span><span class=\"token punctuation\">(<\/span>Yellow<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;     count: %d     &#034;<\/span><span class=\"token punctuation\">,<\/span> count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line3<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_SetBackColor<\/span><span class=\"token punctuation\">(<\/span>Black<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;     txysgdmn     &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line4<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;     baozi     &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line5<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>lcd_highshow <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><\/p>\n<p><span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;     count: %d     &#034;<\/span><span class=\"token punctuation\">,<\/span> count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line3<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_SetBackColor<\/span><span class=\"token punctuation\">(<\/span>Yellow<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;     txysgdmn     &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line4<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_SetBackColor<\/span><span class=\"token punctuation\">(<\/span>Black<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;     baozi     &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line5<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<h3>PWM\u8f93\u51fa<\/h3>\n<p>\u4e00\u822c\u8981\u6c42&#xff1a;\u8ba9PA1\u8f93\u51fa\u9891\u7387\u4e3a1000HZ&#xff0c;\u5360\u7a7a\u6bd4\u4e3a50%\u7684\u65b9\u6ce2<\/p>\n<h4>\u8ba1\u7b97\u516c\u5f0f<\/h4>\n<p><img decoding=\"async\" src=\"2025-04-18sn4zmgr5rlz.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>cubemx\u914d\u7f6e<\/h4>\n<p><img decoding=\"async\" src=\"2025-04-18qkn3xya4lb2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>keil\u4ee3\u7801<\/h4>\n<p>\u5728\u751f\u6210\u4ee3\u7801\u540e&#xff0c;\u53d1\u73b0\u4e00\u4e2a\u95ee\u9898&#xff1a;\u6587\u4ef6\u4e2d\u6ca1\u6709\u5934\u6587\u4ef6&#xff01; \u540e\u9762\u627e\u5230\u89e3\u51b3\u529e\u6cd5&#xff0c; \u7f16\u8bd1\u4e4b\u540e&#xff0c;\u5c31\u80fd\u77e5\u9053\u6bcf\u4e2a\u6587\u4ef6\u4f9d\u8d56\u4e8e\u54ea\u4e9b\u5934\u6587\u4ef6&#xff01;\u8fd8\u662f\u7b2c\u4e00\u6b21\u9047\u5230\u8fd9\u79cd\u95ee\u9898 \u5148\u5728main.c\u51fd\u6570\u4e2d\u5c06\u5b9a\u65f6\u5668\u4f7f\u80fd<\/p>\n<p>\u8fd9\u4e2a\u51fd\u6570\u5728\u5934\u6587\u4ef6\u91cc\u627e\u2013stm32g4xx_hal_tim.h<\/p>\n<p><span class=\"token function\">HAL_TIM_PWM_Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>htim2<span class=\"token punctuation\">,<\/span> TIM_CHANNEL_2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8bbe\u7f6e\u5360\u7a7a\u6bd4<\/p>\n<p>TIM2<span class=\"token operator\">-&gt;<\/span>CCR2 <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u539f\u7406\u56fe&#xff08;\u6284\u88ad\u7248&#xff09;&#xff0c;\u4e0d\u61c2\u7684\u8bdd\u770b\u5d4c\u5165\u5f0f\u7684\u4e66\u53bb <img decoding=\"async\" src=\"2025-04-180yeuvwbxemt.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u8f93\u5165\u6355\u83b7\u6d4b\u91cf\u5f15\u811a\u8f93\u51faPWM\u6ce2\u5468\u671f<\/h3>\n<h4>\u539f\u7406\u56fe<\/h4>\n<p><img decoding=\"async\" src=\"2025-04-18j1rblw5ll4n.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>\u8981\u6c42&#xff1a;\u7528PA7\u6765\u6d4b\u91cfPA1\u751f\u6210PWM\u6ce2\u7684\u9891\u7387<\/h4>\n<p>\u9700\u8981\u7528\u675c\u90a6\u7ebf\u8fde\u63a5PA7\u548cPA1.<\/p>\n<h4>cubemx\u914d\u7f6e<\/h4>\n<p>\u8fd9\u91ccPA7\u7528TIM17\u6216\u8005TIM2\u90fd\u884c&#xff0c;\u6211\u5c31\u6839\u636e\u89c6\u9891\u6765\u4e86 <img decoding=\"async\" src=\"2025-04-18jqf01jvz2ms.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u4f7f\u80fd\u5b9a\u65f6\u5668 <img decoding=\"async\" src=\"2025-04-18xijs30hzmui.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>keil\u4ee3\u7801<\/h4>\n<p>\u4e3a\u4e86\u7701\u4e8b&#xff0c;\u5c06code\u6587\u4ef6\u590d\u5236\u5230\u8fd9\u4e2a\u5de5\u7a0b\u76ee\u5f55\u4e0b&#xff0c;\u8bb0\u5f97\u5728main.c\u6587\u4ef6\u4e2d\u6dfb\u52a0\u5934\u6587\u4ef6\u5b9a\u4e49 <img decoding=\"async\" src=\"2025-04-18qmzuukt1he0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> main.c\u51fd\u6570 \u4f7f\u80fd\u4e2d\u65ad17<\/p>\n<p><span class=\"token function\">HAL_TIM_IC_Start_IT<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>htim17<span class=\"token punctuation\">,<\/span> TIM_CHANNEL_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>fun.c\u4ee3\u7801 \u53c2\u8003\u7740\u539f\u7406\u56fe\u4e00\u8d77\u7406\u89e3<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;headfile.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">char<\/span>text<span class=\"token punctuation\">[<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <\/p>\n<p><span class=\"token class-name\">uint32_t<\/span> fre<span class=\"token punctuation\">,<\/span> capture_value<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">lcd_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;zlfsgdsg&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u00bf\u00c9\u00d2\u00d4\u00b5\u00f7\u00d5\u00fb\u00d7\u00d6\u00b7\u00fb\u00b4\u00ae\u00ce\u00bb\u00d6\u00c3\u00a3\u00ac\u00b5\u00ab\u00ca\u00c7\u00d7\u00ee\u00b6\u00e020\u00b8\u00f6\u00d7\u00d6\u00b7\u00fb<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line0<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;   fre:%d   &#034;<\/span><span class=\"token punctuation\">,<\/span> fre<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line3<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">HAL_TIM_IC_CaptureCallback<\/span><span class=\"token punctuation\">(<\/span>TIM_HandleTypeDef <span class=\"token operator\">*<\/span>htim<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>htim<span class=\"token operator\">-&gt;<\/span>Instance <span class=\"token operator\">&#061;&#061;<\/span> TIM17<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\ncapture_value <span class=\"token operator\">&#061;<\/span> TIM17<span class=\"token operator\">-&gt;<\/span>CCR1<span class=\"token punctuation\">;<\/span><br \/>\nTIM17<span class=\"token operator\">-&gt;<\/span>CNT <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\nfre <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">80000000<\/span><span class=\"token operator\">\/<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">80<\/span><span class=\"token operator\">*<\/span>capture_value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>main.c\u4ee3\u7801 \u6ce8\u610f\u4e0d\u8981\u5fd8\u8bb0\u4e86\u7ed9LCD\u521d\u59cb\u5316<\/p>\n<p>  <span class=\"token comment\">\/* USER CODE BEGIN 2 *\/<\/span><br \/>\n<span class=\"token function\">LCD_Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_Clear<\/span><span class=\"token punctuation\">(<\/span>Black<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_SetBackColor<\/span><span class=\"token punctuation\">(<\/span>Black<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_SetTextColor<\/span><span class=\"token punctuation\">(<\/span>White<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">HAL_TIM_PWM_Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>htim2<span class=\"token punctuation\">,<\/span> TIM_CHANNEL_2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nTIM2<span class=\"token operator\">-&gt;<\/span>CCR2 <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">HAL_TIM_IC_Start_IT<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>htim17<span class=\"token punctuation\">,<\/span> TIM_CHANNEL_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token comment\">\/* USER CODE END 2 *\/<\/span><\/p>\n<p>  <span class=\"token comment\">\/* Infinite loop *\/<\/span><br \/>\n  <span class=\"token comment\">\/* USER CODE BEGIN WHILE *\/<\/span><br \/>\n  <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">lcd_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/* USER CODE END WHILE *\/<\/span><\/p>\n<p>    <span class=\"token comment\">\/* USER CODE BEGIN 3 *\/<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token comment\">\/* USER CODE END 3 *\/<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u8f93\u5165\u6355\u83b7\u6d4b\u91cf555\u5b9a\u65f6\u5668\u9891\u7387<\/h3>\n<p>\u5b9e\u73b0\u6548\u679c&#xff1a;\u80fd\u6d4b\u91cf\u51fa\u4e24\u4e2a\u4fe1\u53f7\u53d1\u751f\u5668\u8f93\u51fa\u7684PWM\u6ce2\u7684\u9891\u7387&#xff0c;\u4e24\u4e2a\u9891\u7387\u53ef\u4ee5\u901a\u8fc7R39,\u548cR40\u8c03\u8282<\/p>\n<h4>\u539f\u7406\u56fe<\/h4>\n<p><img decoding=\"async\" src=\"2025-04-18n4iq5rfbnb0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>cubemx\u914d\u7f6e<\/h4>\n<p>\u5c06PA15\u8bbe\u7f6e\u4e3aTIM2_CH1,PB4\u8bbe\u7f6e\u4e3aTIM16_CH1; \u5206\u522b\u5c06\u4e24\u4e2a\u5b9a\u65f6\u5668\u8bbe\u7f6e\u4e3a\u8f93\u5165\u6355\u83b7\u6a21\u5f0f&#xff0c;PCC\u8bbe\u7f6e\u4e3a80-1&#xff0c;\u5e76\u4e14\u4f7f\u80fd <img decoding=\"async\" src=\"2025-04-18uaywbprjns5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"2025-04-18bzmany1lsnb.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>keil\u4ee3\u7801<\/h4>\n<p>main.c \u9700\u8981\u6ce8\u610f&#xff0c;\u4e0d\u8981\u5fd8\u8bb0\u4e86LCD\u521d\u59cb\u5316&#xff0c;\u4e0d\u8981\u5fd8\u8bb0\u4e86\u4e2d\u65ad\u4f7f\u80fd&#xff0c;\u4e0d\u8981\u5fd8\u8bb0\u4e86\u628alcd_show\u51fd\u6570\u653e\u5230\u5faa\u73af\u91cc<\/p>\n<p>  <span class=\"token comment\">\/* USER CODE BEGIN 2 *\/<\/span><br \/>\n<span class=\"token function\">LCD_Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_Clear<\/span><span class=\"token punctuation\">(<\/span>Black<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_SetBackColor<\/span><span class=\"token punctuation\">(<\/span>Black<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_SetTextColor<\/span><span class=\"token punctuation\">(<\/span>White<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">HAL_TIM_IC_Start_IT<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>htim2<span class=\"token punctuation\">,<\/span> TIM_CHANNEL_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">HAL_TIM_IC_Start_IT<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>htim16<span class=\"token punctuation\">,<\/span> TIM_CHANNEL_1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token comment\">\/* USER CODE END 2 *\/<\/span><\/p>\n<p>  <span class=\"token comment\">\/* Infinite loop *\/<\/span><br \/>\n  <span class=\"token comment\">\/* USER CODE BEGIN WHILE *\/<\/span><br \/>\n  <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">lcd_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/* USER CODE END WHILE *\/<\/span><\/p>\n<p>    <span class=\"token comment\">\/* USER CODE BEGIN 3 *\/<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token comment\">\/* USER CODE END 3 *\/<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>&amp;&amp;&amp; \u4e0d\u8981\u5fd8\u8bb0\u4e86\u6dfb\u52a0\u5934\u6587\u4ef6&#xff01;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;headfile.h&#034;<\/span><\/span><\/p>\n<p>fun.c\u51fd\u6570 \u5177\u4f53\u903b\u8f91&#xff0c;\u6211\u73b0\u5728\u770b\u662f\u86ee\u7b80\u5355\u7684&#xff0c;\u4e0d\u7ba1\u4e86&#xff0c;\u5403\u996d\u53bb\u4e86&#xff0c;\u81ea\u5df1\u609f\u53bb\u5427<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;headfile.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">char<\/span>text<span class=\"token punctuation\">[<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <\/p>\n<p><span class=\"token class-name\">uint32_t<\/span> fre1<span class=\"token punctuation\">,<\/span> capture_value1<span class=\"token punctuation\">,<\/span> fre2<span class=\"token punctuation\">,<\/span> capture_value2 <span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">lcd_show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;zlfsgdsg&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u00bf\u00c9\u00d2\u00d4\u00b5\u00f7\u00d5\u00fb\u00d7\u00d6\u00b7\u00fb\u00b4\u00ae\u00ce\u00bb\u00d6\u00c3\u00a3\u00ac\u00b5\u00ab\u00ca\u00c7\u00d7\u00ee\u00b6\u00e020\u00b8\u00f6\u00d7\u00d6\u00b7\u00fb<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line0<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;   R39_fre1:%d   &#034;<\/span><span class=\"token punctuation\">,<\/span> fre1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line2<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;   R40_fre2:%d   &#034;<\/span><span class=\"token punctuation\">,<\/span> fre2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line4<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">HAL_TIM_IC_CaptureCallback<\/span><span class=\"token punctuation\">(<\/span>TIM_HandleTypeDef <span class=\"token operator\">*<\/span>htim<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>htim<span class=\"token operator\">-&gt;<\/span>Instance <span class=\"token operator\">&#061;&#061;<\/span> TIM16<span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/ R39<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\ncapture_value1 <span class=\"token operator\">&#061;<\/span> TIM16<span class=\"token operator\">-&gt;<\/span>CCR1<span class=\"token punctuation\">;<\/span><br \/>\nTIM16<span class=\"token operator\">-&gt;<\/span>CNT <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\nfre1 <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">80000000<\/span><span class=\"token operator\">\/<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">80<\/span><span class=\"token operator\">*<\/span>capture_value1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>htim<span class=\"token operator\">-&gt;<\/span>Instance <span class=\"token operator\">&#061;&#061;<\/span> TIM2<span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/R40<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\ncapture_value2 <span class=\"token operator\">&#061;<\/span> TIM2<span class=\"token operator\">-&gt;<\/span>CCR1<span class=\"token punctuation\">;<\/span><br \/>\nTIM2<span class=\"token operator\">-&gt;<\/span>CNT <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\nfre2 <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">80000000<\/span><span class=\"token operator\">\/<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">80<\/span><span class=\"token operator\">*<\/span>capture_value2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<h3>ADC\u6d4b\u91cf<\/h3>\n<h4>\u539f\u7406\u56fe<\/h4>\n<p>\u901a\u8fc7R37\u548cR38\u4e24\u4e2a\u65cb\u94ae&#xff0c;\u6d4b\u91cfAD\u7684\u7535\u538b\u503c <img decoding=\"async\" src=\"2025-04-18k3vqds3ibpj.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>cubemx\u914d\u7f6e<\/h4>\n<p>\u5206\u522b\u5bf9\u5f15\u811aPB15\u548cPB12\u8fdb\u884c\u914d\u7f6e\u3002 <img decoding=\"async\" src=\"2025-04-18dyxeqyln50h.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"2025-04-18xz10jlkvqvg.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>keil\u4ee3\u7801<\/h4>\n<p>\u8bb0\u5f97\u5728headfile.h\u6587\u4ef6\u4e2d\u6dfb\u52a0ADC\u5934\u6587\u4ef6 <img decoding=\"async\" src=\"2025-04-18yrgsasoqnsx.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> fun.c\u4ee3\u7801<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;headfile.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">char<\/span> text<span class=\"token punctuation\">[<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">lcdshow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;      zlfsgdsg      &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line0<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">HAL_ADC_Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>hadc1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint32_t<\/span>adc_value <span class=\"token operator\">&#061;<\/span>  <span class=\"token function\">HAL_ADC_GetValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>hadc1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/R38<\/span><\/p>\n<p><span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;     value:%d      &#034;<\/span><span class=\"token punctuation\">,<\/span> adc_value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line3<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>main.c \u8bb0\u5f97\u5c06LCD\u521d\u59cb\u5316&#xff0c;\u7136\u540e\u5728\u4e3b\u51fd\u6570\u4e2d\u8c03\u7528lcdshow();<\/p>\n<p><img decoding=\"async\" src=\"2025-04-1810jip33rfvn.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5373\u53ef\u5728lcd\u4e2d\u5b9e\u65f6\u8bfb\u53d6adc1\u7684\u503c<\/p>\n<p>keil\u4ee3\u78012 \u82e5\u662f\u8981\u8bfb\u53d6\u4e24\u4e2aad\u7684\u7535\u538b\u503c fun.c\u4ee3\u7801<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;headfile.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">char<\/span> text<span class=\"token punctuation\">[<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">lcdshow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;      zlfsgdsg      &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line0<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;     R37_volt:%.2f      &#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">get_vol<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>hadc2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line3<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;     R38_volt:%.2f      &#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">get_vol<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>hadc1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">LCD_DisplayStringLine<\/span><span class=\"token punctuation\">(<\/span>Line5<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">double<\/span> <span class=\"token function\">get_vol<\/span><span class=\"token punctuation\">(<\/span>ADC_HandleTypeDef <span class=\"token operator\">*<\/span>hadc<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><\/p>\n<p><span class=\"token function\">HAL_ADC_Start<\/span><span class=\"token punctuation\">(<\/span>hadc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint32_t<\/span>adc_value <span class=\"token operator\">&#061;<\/span>  <span class=\"token function\">HAL_ADC_GetValue<\/span><span class=\"token punctuation\">(<\/span>hadc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/R38<\/span><br \/>\n<span class=\"token keyword\">return<\/span><span class=\"token number\">3.3<\/span><span class=\"token operator\">*<\/span>adc_value<span class=\"token operator\">\/<\/span><span class=\"token number\">4096<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u56e0\u4e3aAD\u662f12\u4f4d&#xff0c;\u6240\u4ee5ad\u6700\u5927\u503c\u662f4096<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>fun.h<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">lcdshow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">double<\/span> <span class=\"token function\">get_vol<\/span><span class=\"token punctuation\">(<\/span>ADC_HandleTypeDef <span class=\"token operator\">*<\/span>hadc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>\u4e32\u53e3\u53d1\u9001\u548c\u63a5\u6536<\/h3>\n<h4>\u539f\u7406\u56fe<\/h4>\n<p><img decoding=\"async\" src=\"2025-04-181wuvsijdsds.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>cubemx\u914d\u7f6e<\/h4>\n<p><img decoding=\"async\" src=\"2025-04-18ycqn4qvfo4b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"2025-04-18jiu5uuc2rfa.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>keil\u4ee3\u7801<\/h4>\n<p>\u4e32\u53e3\u53d1\u9001 main.c\u4ee3\u7801 \u8bb0\u5f97\u5728\u524d\u9762\u6dfb\u52a0\u5934\u6587\u4ef6<\/p>\n<p>  <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">char<\/span> text01<span class=\"token punctuation\">[<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>text01<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;zlfsgdgs\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">HAL_UART_Transmit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>huart1<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>text01<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>text01<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">HAL_Delay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/* USER CODE END WHILE *\/<\/span><\/p>\n<p>    <span class=\"token comment\">\/* USER CODE BEGIN 3 *\/<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token comment\">\/* USER CODE END 3 *\/<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4e32\u53e3\u63a5\u6536 fun.c\u4ee3\u7801<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;headfile.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token class-name\">uint8_t<\/span> rec_data<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">HAL_UART_RxCpltCallback<\/span><span class=\"token punctuation\">(<\/span>UART_HandleTypeDef <span class=\"token operator\">*<\/span>huart<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>huart<span class=\"token operator\">-&gt;<\/span>Instance <span class=\"token operator\">&#061;&#061;<\/span> USART1<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><\/p>\n<p><span class=\"token function\">HAL_UART_Transmit<\/span><span class=\"token punctuation\">(<\/span>huart<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>rec_data<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">HAL_UART_Receive_IT<\/span><span class=\"token punctuation\">(<\/span>huart<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>rec_data<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>fun.h\u4ee3\u7801 \u52a0\u4e00\u4e2a\u5916\u90e8\u53d8\u91cf\u5b9a\u4e49<\/p>\n<p><span class=\"token keyword\">extern<\/span> <span class=\"token class-name\">uint8_t<\/span> rec_data<span class=\"token punctuation\">;<\/span><\/p>\n<p>main.c\u4ee3\u7801 <img decoding=\"async\" src=\"2025-04-185j22gdvhapz.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u5229\u7528\u5b9a\u65f6\u5668\u8fdb\u884c\u4e32\u53e3\u4e0d\u5b9a\u957f\u6570\u636e\u63a5\u6536<\/h3>\n<h4>\u539f\u7406<\/h4>\n<p><img decoding=\"async\" src=\"2025-04-18bnfvxfj1lfm.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>cubemx\u914d\u7f6e<\/h4>\n<p>\u4e3b\u8981\u662f\u628a\u6ce2\u7279\u7387\u8bbe\u7f6e\u4e3a9600 <img decoding=\"async\" src=\"2025-04-18skiat2ebhfh.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"2025-04-18ujsdmqo1b10.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>keil\u4ee3\u7801<\/h4>\n<p>main.c \u628a\u5b9a\u65f6\u5668\u4f7f\u80fd&#xff01;&#xff01;&#xff01;&amp;&amp;\u8c03\u7528\u51fd\u6570 <img decoding=\"async\" src=\"2025-04-180kjrgctzvhd.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> fun.c\u51fd\u6570<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;headfile.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">char<\/span>send_buff<span class=\"token punctuation\">[<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span> rec_data<span class=\"token punctuation\">,<\/span> count<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span>rec_flag<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">uint8_t<\/span>rec_buff<span class=\"token punctuation\">[<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">HAL_UART_RxCpltCallback<\/span><span class=\"token punctuation\">(<\/span>UART_HandleTypeDef <span class=\"token operator\">*<\/span>huart<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>huart<span class=\"token operator\">-&gt;<\/span>Instance <span class=\"token operator\">&#061;&#061;<\/span> USART1<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><\/p>\n<p><span class=\"token comment\">\/\/HAL_UART_Transmit(huart, &amp;rec_data, 1, 50);<\/span><br \/>\nTIM4<span class=\"token operator\">-&gt;<\/span>CNT <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\nrec_flag <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\nrec_buff<span class=\"token punctuation\">[<\/span>count<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&#061;<\/span> rec_data<span class=\"token punctuation\">;<\/span><br \/>\ncount <span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">HAL_UART_Receive_IT<\/span><span class=\"token punctuation\">(<\/span>huart<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>rec_data<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span><span class=\"token function\">uart_data_rec<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>rec_data<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>TIM4<span class=\"token operator\">-&gt;<\/span>CNT <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>rec_buff<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;z&#039;<\/span><span class=\"token operator\">&amp;&amp;<\/span> rec_buff<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;l&#039;<\/span> <span class=\"token operator\">&amp;&amp;<\/span> rec_buff<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;f&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>send_buff<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;zlf\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">HAL_UART_Transmit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>huart1<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>send_buff<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>send_buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>rec_buff<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;s&#039;<\/span><span class=\"token operator\">&amp;&amp;<\/span> rec_buff<span class=\"token punctuation\">[<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;g&#039;<\/span> <span class=\"token operator\">&amp;&amp;<\/span> rec_buff<span class=\"token punctuation\">[<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;d&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>send_buff<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;sgd\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">HAL_UART_Transmit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>huart1<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>send_buff<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>send_buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>rec_buff<span class=\"token punctuation\">[<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;s&#039;<\/span><span class=\"token operator\">&amp;&amp;<\/span> rec_buff<span class=\"token punctuation\">[<\/span><span class=\"token number\">7<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;g&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>send_buff<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;sgd\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">HAL_UART_Transmit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>huart1<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>send_buff<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>send_buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">else<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>send_buff<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;error\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">HAL_UART_Transmit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>huart1<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">uint8_t<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>send_buff<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>send_buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\nrec_flag <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span>i<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&lt;<\/span>count<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\nrec_buff<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\ncount<span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token 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