{"id":53363,"date":"2025-08-12T09:19:58","date_gmt":"2025-08-12T01:19:58","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/53363.html"},"modified":"2025-08-12T09:19:58","modified_gmt":"2025-08-12T01:19:58","slug":"%e5%9f%ba%e4%ba%8estm32%e5%8d%95%e7%89%87%e6%9c%ba%e8%b6%85%e5%a3%b0%e6%b3%a2%e6%b5%8b%e9%80%9f%e6%b5%8b%e8%b7%9d%e9%98%b2%e6%92%9e%e6%8a%a5%e8%ad%a6%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/53363.html","title":{"rendered":"\u57fa\u4e8eSTM32\u5355\u7247\u673a\u8d85\u58f0\u6ce2\u6d4b\u901f\u6d4b\u8ddd\u9632\u649e\u62a5\u8b66\u8bbe\u8ba1"},"content":{"rendered":"<h2>1 \u7cfb\u7edf\u529f\u80fd\u4ecb\u7ecd<\/h2>\n<p>\u672c\u8bbe\u8ba1\u662f\u4e00\u5957\u57fa\u4e8e STM32F103C8T6 \u5355\u7247\u673a \u7684\u8d85\u58f0\u6ce2\u6d4b\u901f\u6d4b\u8ddd\u9632\u649e\u62a5\u8b66\u7cfb\u7edf&#xff0c;\u80fd\u591f\u5b9e\u73b0\u5bf9\u76ee\u6807\u7269\u4f53\u7684\u5b9e\u65f6\u6d4b\u8ddd\u4e0e\u6d4b\u901f&#xff0c;\u5e76\u901a\u8fc7 TFT \u5f69\u5c4f\u8fdb\u884c\u52a8\u6001\u663e\u793a&#xff0c;\u540c\u65f6\u6839\u636e\u7528\u6237\u8bbe\u5b9a\u7684\u8ddd\u79bb\u4e0e\u901f\u5ea6\u9608\u503c\u8fdb\u884c\u62a5\u8b66\u63d0\u793a\u3002\u8be5\u7cfb\u7edf\u4e0d\u4ec5\u53ef\u4ee5\u7528\u4e8e\u56fa\u5b9a\u573a\u666f\u7684\u5b89\u5168\u76d1\u63a7&#xff0c;\u8fd8\u53ef\u4ee5\u5e94\u7528\u4e8e\u79fb\u52a8\u5e73\u53f0\u7684\u9632\u649e\u63a7\u5236&#xff0c;\u4f8b\u5982\u5c0f\u8f66\u3001\u673a\u68b0\u81c2\u3001\u65e0\u4eba\u673a\u7b49\u3002<\/p>\n<p>\u7cfb\u7edf\u7684\u4e3b\u8981\u529f\u80fd\u5982\u4e0b&#xff1a;<\/p>\n<li>\n<p>\u8d85\u58f0\u6ce2\u5b9e\u65f6\u6d4b\u8ddd\u4e0e\u6d4b\u901f<br \/>\n\u7cfb\u7edf\u901a\u8fc7 HC-SR04 \u8d85\u58f0\u6ce2\u6d4b\u8ddd\u6a21\u5757\u5b9e\u65f6\u83b7\u53d6\u7269\u4f53\u8ddd\u79bb&#xff0c;\u5e76\u901a\u8fc7\u8fde\u7eed\u591a\u6b21\u6d4b\u91cf\u8ba1\u7b97\u7269\u4f53\u7684\u901f\u5ea6&#xff0c;\u6d4b\u901f\u5355\u4f4d\u4e3a m\/s&#xff0c;\u6d4b\u8ddd\u5355\u4f4d\u4e3a m\u3002<\/p>\n<\/li>\n<li>\n<p>\u591a\u6a21\u5f0f\u62a5\u8b66\u529f\u80fd<br \/>\n\u7528\u6237\u53ef\u901a\u8fc7\u6309\u952e\u8bbe\u7f6e\u62a5\u8b66\u6a21\u5f0f&#xff0c;\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u8ddd\u79bb&#043;\u901f\u5ea6\u540c\u65f6\u62a5\u8b66<\/li>\n<li>\u4ec5\u8ddd\u79bb\u62a5\u8b66<\/li>\n<li>\u4ec5\u901f\u5ea6\u62a5\u8b66<\/li>\n<li>\u65e0\u62a5\u8b66\u6a21\u5f0f<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u591a\u7ea7\u62a5\u8b66\u673a\u5236<br \/>\n\u5f53\u8ddd\u79bb\u5c0f\u4e8e\u8bbe\u5b9a\u9608\u503c\u65f6&#xff0c;\u8702\u9e23\u5668\u4f1a\u6839\u636e\u8ddd\u79bb\u4e0d\u540c\u53d1\u51fa\u4e0d\u540c\u9891\u7387\u7684\u63d0\u793a\u97f3&#xff1a;<\/p>\n<ul>\n<li>\u5c0f\u4e8e 0.6m&#xff1a;\u7a0d\u6025\u62a5\u8b66<\/li>\n<li>\u5c0f\u4e8e 0.3m&#xff1a;\u6025\u62a5\u8b66<\/li>\n<li>\u5c0f\u4e8e 0.1m&#xff1a;\u6025\u4fc3\u62a5\u8b66<br \/>\n\u540c\u65f6\u6db2\u6676\u663e\u793a\u7684\u6ce2\u5f62\u4e2a\u6570\u968f\u8ddd\u79bb\u53d8\u5316\u800c\u53d8\u5316&#xff0c;\u8ddd\u79bb\u8d8a\u8fd1\u6ce2\u5f62\u8d8a\u5c11\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u9608\u503c\u53ef\u8c03\u4e0e\u6389\u7535\u4fdd\u5b58<br \/>\n\u7528\u6237\u53ef\u901a\u8fc7\u6309\u952e K1\u3001K2\u3001K3 \u5206\u522b\u8bbe\u7f6e\u8ddd\u79bb\u9608\u503c\u3001\u901f\u5ea6\u9608\u503c\u3001\u62a5\u8b66\u6a21\u5f0f&#xff0c;\u6570\u636e\u4fdd\u5b58\u5728 STM32 \u5185\u90e8 Flash \u4e2d&#xff0c;\u6389\u7535\u4e0d\u4e22\u5931\u3002<\/p>\n<\/li>\n<li>\n<p>TFT1.44 \u5f69\u5c4f\u52a8\u6001\u663e\u793a<br \/>\n\u5c4f\u5e55\u5b9e\u65f6\u663e\u793a\u6d4b\u91cf\u6570\u636e\u3001\u62a5\u8b66\u72b6\u6001\u548c\u52a8\u6001\u6ce2\u5f62&#xff0c;\u8ba9\u7528\u6237\u76f4\u89c2\u4e86\u89e3\u5f53\u524d\u7684\u5b89\u5168\u72b6\u6001\u3002<\/p>\n<\/li>\n<hr \/>\n<h2>2 \u7cfb\u7edf\u7535\u8def\u8bbe\u8ba1<\/h2>\n<h3>2.1 \u5355\u7247\u673a\u6700\u5c0f\u7cfb\u7edf\u6a21\u5757<\/h3>\n<p>\u7cfb\u7edf\u6838\u5fc3\u4e3a STM32F103C8T6 \u5355\u7247\u673a&#xff0c;\u5176\u6700\u5c0f\u7cfb\u7edf\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u7535\u6e90\u7535\u8def&#xff1a;\u4f7f\u7528 3.3V LDO \u7a33\u538b\u82af\u7247&#xff08;\u5982 AMS1117-3.3&#xff09;\u5c06\u5916\u90e8 5V \u8f6c\u6362\u4e3a\u5355\u7247\u673a\u5de5\u4f5c\u7535\u538b\u3002<\/li>\n<li>\u65f6\u949f\u7535\u8def&#xff1a;\u5916\u63a5 8MHz \u6676\u632f\u4f5c\u4e3a\u7cfb\u7edf\u4e3b\u65f6\u949f&#xff0c;\u642d\u914d 32.768kHz \u6676\u632f\u4f5c\u4e3a RTC \u65f6\u949f&#xff08;\u53ef\u9009&#xff09;\u3002<\/li>\n<li>\u590d\u4f4d\u7535\u8def&#xff1a;\u901a\u8fc7\u4e0a\u62c9\u7535\u963b\u548c\u590d\u4f4d\u6309\u952e\u5b9e\u73b0\u7cfb\u7edf\u590d\u4f4d\u3002<\/li>\n<\/ul>\n<h3>2.2 \u8d85\u58f0\u6ce2\u6d4b\u8ddd\u6a21\u5757\u7535\u8def<\/h3>\n<p>\u91c7\u7528 HC-SR04 \u8d85\u58f0\u6ce2\u4f20\u611f\u5668&#xff1a;<\/p>\n<ul>\n<li>Trig \u5f15\u811a&#xff1a;\u7531 STM32 \u8f93\u51fa 10\u03bcs \u9ad8\u7535\u5e73\u542f\u52a8\u6d4b\u91cf\u3002<\/li>\n<li>Echo \u5f15\u811a&#xff1a;\u8fd4\u56de\u9ad8\u7535\u5e73\u8109\u51b2\u5bbd\u5ea6&#xff0c;\u5bf9\u5e94\u58f0\u6ce2\u5f80\u8fd4\u65f6\u95f4&#xff0c;\u901a\u8fc7\u516c\u5f0f \u8ddd\u79bb &#061; (\u8109\u5bbd * \u58f0\u901f) \/ 2 \u8ba1\u7b97\u8ddd\u79bb\u3002<\/li>\n<li>\u6a21\u5757\u901a\u8fc7 5V \u5de5\u4f5c&#xff0c;\u4fe1\u53f7\u5f15\u811a\u7ecf\u8fc7\u5206\u538b\u7535\u8def\u9002\u914d 3.3V\u3002<\/li>\n<\/ul>\n<h3>2.3 TFT \u5f69\u5c4f\u663e\u793a\u6a21\u5757<\/h3>\n<p>\u4f7f\u7528 TFT1.44 \u5bf8\u5f69\u5c4f&#xff08;ST7735 \u9a71\u52a8\u82af\u7247&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\u91c7\u7528 SPI \u63a5\u53e3\u4e0e STM32 \u8fde\u63a5&#xff08;SCK\u3001MOSI\u3001CS\u3001DC\u3001RST&#xff09;\u3002<\/li>\n<li>\u663e\u793a\u5b9e\u65f6\u8ddd\u79bb\u3001\u901f\u5ea6\u3001\u62a5\u8b66\u72b6\u6001\u53ca\u52a8\u6001\u6ce2\u5f62\u3002<\/li>\n<li>\u5f69\u5c4f\u5728\u663e\u793a\u62a5\u8b66\u65f6\u53ef\u66f4\u6539\u80cc\u666f\u989c\u8272&#xff0c;\u63d0\u9ad8\u8b66\u793a\u6548\u679c\u3002<\/li>\n<\/ul>\n<h3>2.4 \u8702\u9e23\u5668\u62a5\u8b66\u9a71\u52a8\u7535\u8def<\/h3>\n<p>\u8702\u9e23\u5668\u91c7\u7528\u6709\u6e90\u8702\u9e23\u5668&#xff0c;\u901a\u8fc7 NPN \u4e09\u6781\u7ba1&#xff08;\u5982 9013&#xff09;\u9a71\u52a8&#xff1a;<\/p>\n<ul>\n<li>\u5f53 STM32 \u8f93\u51fa\u9ad8\u7535\u5e73\u65f6&#xff0c;\u4e09\u6781\u7ba1\u5bfc\u901a&#xff0c;\u8702\u9e23\u5668\u9e23\u53eb\u3002<\/li>\n<li>\u901a\u8fc7 PWM \u63a7\u5236\u62a5\u8b66\u97f3\u7684\u9891\u7387&#xff0c;\u5b9e\u73b0\u4e0d\u540c\u62a5\u8b66\u8282\u594f\u3002<\/li>\n<\/ul>\n<h3>2.5 \u6309\u952e\u8f93\u5165\u7535\u8def<\/h3>\n<p>\u7cfb\u7edf\u8bbe\u8ba1 3 \u4e2a\u6309\u952e&#xff1a;<\/p>\n<ul>\n<li>K1&#xff1a;\u8bbe\u7f6e\/\u8c03\u6574\u8ddd\u79bb\u9608\u503c<\/li>\n<li>K2&#xff1a;\u8bbe\u7f6e\/\u8c03\u6574\u901f\u5ea6\u9608\u503c<\/li>\n<li>K3&#xff1a;\u5207\u6362\u62a5\u8b66\u6a21\u5f0f<br \/>\n\u6309\u952e\u91c7\u7528\u4e0a\u62c9\u7535\u963b\u65b9\u5f0f&#xff0c;\u6309\u4e0b\u65f6\u8f93\u5165\u4f4e\u7535\u5e73&#xff0c;\u7ed3\u5408\u8f6f\u4ef6\u53bb\u6296\u52a8\u5904\u7406\u3002<\/li>\n<\/ul>\n<h3>2.6 \u7535\u6e90\u7535\u8def<\/h3>\n<p>\u6574\u673a\u7531 5V \u7535\u6e90\u4f9b\u7535&#xff0c;\u4e3b\u8981\u7535\u6e90\u8def\u5f84&#xff1a;<\/p>\n<ul>\n<li>5V \u76f4\u63a5\u4f9b\u7ed9\u8d85\u58f0\u6ce2\u6a21\u5757\u3001\u8702\u9e23\u5668\u7b49\u3002<\/li>\n<li>5V \u7ecf LDO \u8f6c\u6362\u4e3a 3.3V \u4f9b\u7ed9 STM32 \u548c TFT \u5c4f\u3002<\/li>\n<\/ul>\n<hr \/>\n<h2>3 \u7a0b\u5e8f\u8bbe\u8ba1<\/h2>\n<h3>3.1 \u4e3b\u7a0b\u5e8f\u67b6\u6784<\/h3>\n<p>\u7cfb\u7edf\u7a0b\u5e8f\u57fa\u4e8e STM32 HAL \u5e93 \u5f00\u53d1&#xff0c;\u4e3b\u8981\u6d41\u7a0b\u5982\u4e0b&#xff1a;<\/p>\n<li>\n<p>\u7cfb\u7edf\u521d\u59cb\u5316&#xff08;\u65f6\u949f\u3001GPIO\u3001SPI\u3001\u5b9a\u65f6\u5668\u7b49&#xff09;<\/p>\n<\/li>\n<li>\n<p>TFT \u5c4f\u663e\u793a\u521d\u59cb\u5316\u754c\u9762<\/p>\n<\/li>\n<li>\n<p>\u8bfb\u53d6 Flash \u4e2d\u4fdd\u5b58\u7684\u9608\u503c\u4e0e\u6a21\u5f0f<\/p>\n<\/li>\n<li>\n<p>\u8fdb\u5165\u4e3b\u5faa\u73af&#xff1a;<\/p>\n<ul>\n<li>\u91c7\u96c6\u8ddd\u79bb\u6570\u636e<\/li>\n<li>\u8ba1\u7b97\u901f\u5ea6<\/li>\n<li>\u6839\u636e\u6a21\u5f0f\u5224\u65ad\u662f\u5426\u62a5\u8b66<\/li>\n<li>\u66f4\u65b0 TFT \u5c4f\u663e\u793a<\/li>\n<li>\u6309\u952e\u68c0\u6d4b\u4e0e\u53c2\u6570\u4fee\u6539<\/li>\n<\/ul>\n<\/li>\n<h3>3.2 \u8d85\u58f0\u6ce2\u6d4b\u8ddd\u7a0b\u5e8f<\/h3>\n<p>\u901a\u8fc7\u5b9a\u65f6\u5668\u6355\u83b7\u6a21\u5f0f\u6d4b\u91cf Echo \u8109\u5bbd&#xff1a;<\/p>\n<p><span class=\"token keyword\">float<\/span> <span class=\"token function\">Get_Distance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">uint32_t<\/span> time<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>TRIG_GPIO_Port<span class=\"token punctuation\">,<\/span> TRIG_Pin<span class=\"token punctuation\">,<\/span> GPIO_PIN_SET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">delay_us<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><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>TRIG_GPIO_Port<span class=\"token punctuation\">,<\/span> TRIG_Pin<span class=\"token punctuation\">,<\/span> GPIO_PIN_RESET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>ECHO_GPIO_Port<span class=\"token punctuation\">,<\/span> ECHO_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> GPIO_PIN_RESET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">__HAL_TIM_SET_COUNTER<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>htim2<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 keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>ECHO_GPIO_Port<span class=\"token punctuation\">,<\/span> ECHO_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> GPIO_PIN_SET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    time <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">__HAL_TIM_GET_COUNTER<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>htim2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">float<\/span><span class=\"token punctuation\">)<\/span>time <span class=\"token operator\">*<\/span> <span class=\"token number\">0.000001<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">340.0<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">2.0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3.3 \u901f\u5ea6\u8ba1\u7b97\u7a0b\u5e8f<\/h3>\n<p>\u901f\u5ea6\u901a\u8fc7\u4e24\u6b21\u6d4b\u8ddd\u7ed3\u679c\u8ba1\u7b97&#xff1a;<\/p>\n<p><span class=\"token keyword\">float<\/span> <span class=\"token function\">Calculate_Speed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">float<\/span> d1<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">float<\/span> d2<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">float<\/span> dt<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>d1 <span class=\"token operator\">&#8211;<\/span> d2<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> dt<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ m\/s<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3.4 TFT \u663e\u793a\u7a0b\u5e8f<\/h3>\n<p>\u4f7f\u7528 ST7735 \u9a71\u52a8\u5e93\u663e\u793a\u6570\u636e&#xff1a;<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Display_Data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">float<\/span> distance<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">float<\/span> speed<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint8_t<\/span> mode<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">ST7735_FillScreen<\/span><span class=\"token punctuation\">(<\/span>ST7735_BLACK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> buf<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>buf<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;D:%.2fm&#034;<\/span><span class=\"token punctuation\">,<\/span> distance<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">ST7735_WriteString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> buf<span class=\"token punctuation\">,<\/span> Font_11x18<span class=\"token punctuation\">,<\/span> ST7735_WHITE<span class=\"token punctuation\">,<\/span> ST7735_BLACK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>buf<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;V:%.2fm\/s&#034;<\/span><span class=\"token punctuation\">,<\/span> speed<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">ST7735_WriteString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">,<\/span> buf<span class=\"token punctuation\">,<\/span> Font_11x18<span class=\"token punctuation\">,<\/span> ST7735_WHITE<span class=\"token punctuation\">,<\/span> ST7735_BLACK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>buf<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Mode:%d&#034;<\/span><span class=\"token punctuation\">,<\/span> mode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">ST7735_WriteString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">40<\/span><span class=\"token punctuation\">,<\/span> buf<span class=\"token punctuation\">,<\/span> Font_11x18<span class=\"token punctuation\">,<\/span> ST7735_WHITE<span class=\"token punctuation\">,<\/span> ST7735_BLACK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3.5 \u62a5\u8b66\u63a7\u5236\u7a0b\u5e8f<\/h3>\n<p>\u6839\u636e\u9608\u503c\u4e0e\u6a21\u5f0f\u5224\u65ad\u62a5\u8b66&#xff1a;<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Check_Alarm<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">float<\/span> distance<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">float<\/span> speed<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 operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token punctuation\">(<\/span>distance <span class=\"token operator\">&lt;<\/span> dist_threshold <span class=\"token operator\">||<\/span> speed <span class=\"token operator\">&gt;<\/span> speed_threshold<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Beep_Control<\/span><span class=\"token punctuation\">(<\/span>distance<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>mode <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&amp;&amp;<\/span> distance <span class=\"token operator\">&lt;<\/span> dist_threshold<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Beep_Control<\/span><span class=\"token punctuation\">(<\/span>distance<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>mode <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">3<\/span> <span class=\"token operator\">&amp;&amp;<\/span> speed <span class=\"token operator\">&gt;<\/span> speed_threshold<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Beep_Control<\/span><span class=\"token punctuation\">(<\/span>distance<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3.6 \u8702\u9e23\u5668\u8282\u594f\u63a7\u5236<\/h3>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Beep_Control<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">float<\/span> distance<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>distance <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0.1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token function\">Beep_Fast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>distance <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0.3<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token function\">Beep_Mid<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>distance <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0.6<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token function\">Beep_Slow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3.7 \u6309\u952e\u626b\u63cf\u4e0e\u53c2\u6570\u8bbe\u7f6e<\/h3>\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><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>KEY1_GPIO_Port<span class=\"token punctuation\">,<\/span> KEY1_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> GPIO_PIN_RESET<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        dist_threshold <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token number\">0.1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Save_Params<\/span><span class=\"token punctuation\">(<\/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><span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>KEY2_GPIO_Port<span class=\"token punctuation\">,<\/span> KEY2_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> GPIO_PIN_RESET<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        speed_threshold <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token number\">0.1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Save_Params<\/span><span class=\"token punctuation\">(<\/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><span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>KEY3_GPIO_Port<span class=\"token punctuation\">,<\/span> KEY3_Pin<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> GPIO_PIN_RESET<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        mode <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>mode <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Save_Params<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3.8 Flash \u6570\u636e\u4fdd\u5b58<\/h3>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Save_Params<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">HAL_FLASH_Unlock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u64e6\u9664\u4e0e\u5199\u5165\u64cd\u4f5c<\/span><br \/>\n    <span class=\"token function\">HAL_FLASH_Lock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h2>4 \u603b\u7ed3<\/h2>\n<p>\u8be5\u7cfb\u7edf\u901a\u8fc7 STM32F103C8T6 \u5355\u7247\u673a \u7ed3\u5408 \u8d85\u58f0\u6ce2\u6d4b\u8ddd\u3001\u901f\u5ea6\u8ba1\u7b97\u3001TFT \u5f69\u5c4f\u663e\u793a\u4e0e\u8702\u9e23\u5668\u62a5\u8b66&#xff0c;\u5b9e\u73b0\u4e86\u96c6\u6d4b\u8ddd\u3001\u6d4b\u901f\u3001\u9632\u649e\u62a5\u8b66\u4e8e\u4e00\u4f53\u7684\u529f\u80fd\u3002<br \/>\n\u7cfb\u7edf\u8bbe\u8ba1\u6ce8\u91cd \u5b9e\u65f6\u6027\u3001\u53ef\u8c03\u8282\u6027\u4e0e\u6570\u636e\u6389\u7535\u4fdd\u5b58&#xff0c;\u80fd\u591f\u9002\u5e94\u591a\u79cd\u5e94\u7528\u573a\u666f\u3002<br \/>\n\u672a\u6765\u53ef\u6269\u5c55\u529f\u80fd\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u589e\u52a0\u591a\u4e2a\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u5b9e\u73b0\u591a\u65b9\u5411\u76d1\u6d4b<\/li>\n<li>\u901a\u8fc7\u65e0\u7ebf\u6a21\u5757\u5c06\u6d4b\u91cf\u6570\u636e\u4e0a\u4f20\u81f3\u4e0a\u4f4d\u673a\u6216\u624b\u673a<\/li>\n<li>\u589e\u52a0\u8bed\u97f3\u63d0\u793a\u529f\u80fd\u63d0\u5347\u4eba\u673a\u4ea4\u4e92\u4f53\u9a8c<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb380\u6b21\uff0c\u70b9\u8d5e17\u6b21\uff0c\u6536\u85cf18\u6b21\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u4e00\u79cd\u57fa\u4e8eSTM32F103C8T6\u5355\u7247\u673a\u7684\u8d85\u58f0\u6ce2\u6d4b\u901f\u6d4b\u8ddd\u9632\u649e\u62a5\u8b66\u7cfb\u7edf\u3002\u7cfb\u7edf\u91c7\u7528HC-SR04\u8d85\u58f0\u6ce2\u6a21\u5757\u5b9e\u73b0\u5b9e\u65f6\u6d4b\u8ddd\u6d4b\u901f\uff0c\u901a\u8fc7TFT\u5f69\u5c4f\u663e\u793a\u6570\u636e\uff0c\u5e76\u5177\u5907\u591a\u6a21\u5f0f\u62a5\u8b66\u529f\u80fd\u3002\u7cfb\u7edf\u8bbe\u8ba1\u5305\u62ec\u5355\u7247\u673a\u6700\u5c0f\u7cfb\u7edf\u3001\u8d85\u58f0\u6ce2\u6d4b\u8ddd\u7535\u8def\u3001TFT\u663e\u793a\u6a21\u5757\u3001\u8702\u9e23\u5668\u62a5\u8b66\u7535\u8def\u7b49\u786c\u4ef6\u90e8\u5206\uff0c\u4ee5\u53ca\u57fa\u4e8eHAL\u5e93\u5f00\u53d1\u7684\u6d4b\u8ddd\u7b97\u6cd5\u3001\u901f\u5ea6\u8ba1\u7b97\u3001\u52a8\u6001\u663e\u793a\u548c\u62a5\u8b66\u63a7\u5236\u7b49\u8f6f\u4ef6\u529f\u80fd\u3002\u8be5\u7cfb\u7edf\u5177\u6709\u9608\u503c\u53ef\u8c03\u3001\u6570\u636e\u6389\u7535\u4fdd\u5b58\u7b49\u7279\u70b9\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u5b89\u5168\u76d1\u63a7\u573a\u666f\uff0c\u672a\u6765\u53ef\u6269\u5c55\u591a\u4f20\u611f\u5668\u76d1\u6d4b\u548c\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u529f\u80fd\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[217,270,269,1908,938],"topic":[],"class_list":["post-53363","post","type-post","status-publish","format-standard","hentry","category-server","tag-stm32","tag-270","tag-269","tag-1908","tag-938"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u57fa\u4e8eSTM32\u5355\u7247\u673a\u8d85\u58f0\u6ce2\u6d4b\u901f\u6d4b\u8ddd\u9632\u649e\u62a5\u8b66\u8bbe\u8ba1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/53363.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u57fa\u4e8eSTM32\u5355\u7247\u673a\u8d85\u58f0\u6ce2\u6d4b\u901f\u6d4b\u8ddd\u9632\u649e\u62a5\u8b66\u8bbe\u8ba1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb380\u6b21\uff0c\u70b9\u8d5e17\u6b21\uff0c\u6536\u85cf18\u6b21\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u4e00\u79cd\u57fa\u4e8eSTM32F103C8T6\u5355\u7247\u673a\u7684\u8d85\u58f0\u6ce2\u6d4b\u901f\u6d4b\u8ddd\u9632\u649e\u62a5\u8b66\u7cfb\u7edf\u3002\u7cfb\u7edf\u91c7\u7528HC-SR04\u8d85\u58f0\u6ce2\u6a21\u5757\u5b9e\u73b0\u5b9e\u65f6\u6d4b\u8ddd\u6d4b\u901f\uff0c\u901a\u8fc7TFT\u5f69\u5c4f\u663e\u793a\u6570\u636e\uff0c\u5e76\u5177\u5907\u591a\u6a21\u5f0f\u62a5\u8b66\u529f\u80fd\u3002\u7cfb\u7edf\u8bbe\u8ba1\u5305\u62ec\u5355\u7247\u673a\u6700\u5c0f\u7cfb\u7edf\u3001\u8d85\u58f0\u6ce2\u6d4b\u8ddd\u7535\u8def\u3001TFT\u663e\u793a\u6a21\u5757\u3001\u8702\u9e23\u5668\u62a5\u8b66\u7535\u8def\u7b49\u786c\u4ef6\u90e8\u5206\uff0c\u4ee5\u53ca\u57fa\u4e8eHAL\u5e93\u5f00\u53d1\u7684\u6d4b\u8ddd\u7b97\u6cd5\u3001\u901f\u5ea6\u8ba1\u7b97\u3001\u52a8\u6001\u663e\u793a\u548c\u62a5\u8b66\u63a7\u5236\u7b49\u8f6f\u4ef6\u529f\u80fd\u3002\u8be5\u7cfb\u7edf\u5177\u6709\u9608\u503c\u53ef\u8c03\u3001\u6570\u636e\u6389\u7535\u4fdd\u5b58\u7b49\u7279\u70b9\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u5b89\u5168\u76d1\u63a7\u573a\u666f\uff0c\u672a\u6765\u53ef\u6269\u5c55\u591a\u4f20\u611f\u5668\u76d1\u6d4b\u548c\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u529f\u80fd\u3002\" 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