{"id":50514,"date":"2025-08-10T09:44:00","date_gmt":"2025-08-10T01:44:00","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/50514.html"},"modified":"2025-08-10T09:44:00","modified_gmt":"2025-08-10T01:44:00","slug":"%e5%9f%ba%e4%ba%8estm32%e5%8d%95%e7%89%87%e6%9c%ba%e6%99%ba%e8%83%bd%e5%ae%b6%e5%b1%85%e5%a3%b0%e9%9f%b3%e4%ba%ba%e4%bd%93%e9%98%b2%e7%9b%97gsm%e7%9f%ad%e4%bf%a1%e6%8a%a5%e8%ad%a6%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/50514.html","title":{"rendered":"\u57fa\u4e8eSTM32\u5355\u7247\u673a\u667a\u80fd\u5bb6\u5c45\u58f0\u97f3\u4eba\u4f53\u9632\u76d7GSM\u77ed\u4fe1\u62a5\u8b66\u7cfb\u7edf\u8bbe\u8ba1"},"content":{"rendered":"<h2>1. \u7cfb\u7edf\u529f\u80fd\u4ecb\u7ecd<\/h2>\n<p>\u672c\u8bbe\u8ba1\u57fa\u4e8eSTM32F103C8T6\u5355\u7247\u673a&#xff0c;\u7ed3\u5408\u58f0\u97f3\u68c0\u6d4b\u4f20\u611f\u5668\u548c\u7ea2\u5916\u907f\u969c\u4f20\u611f\u5668&#xff0c;\u5b9e\u73b0\u667a\u80fd\u5bb6\u5c45\u9632\u76d7\u62a5\u8b66\u529f\u80fd\u3002\u7cfb\u7edf\u80fd\u591f\u5b9e\u65f6\u76d1\u6d4b\u73af\u5883\u4e2d\u7684\u58f0\u97f3\u548c\u4eba\u4f53\u6d3b\u52a8&#xff0c;\u5f53\u68c0\u6d4b\u5230\u5f02\u5e38\u60c5\u51b5\u65f6&#xff0c;\u8702\u9e23\u5668\u53d1\u51fa\u62a5\u8b66\u58f0&#xff0c;\u540c\u65f6\u901a\u8fc7GSM\u77ed\u4fe1\u6a21\u5757\u5411\u9884\u8bbe\u624b\u673a\u53f7\u7801\u53d1\u9001\u62a5\u8b66\u4fe1\u606f&#xff0c;\u5b9e\u73b0\u8fdc\u7a0b\u5373\u65f6\u63d0\u9192\u3002<\/p>\n<p>\u7cfb\u7edf\u7684\u4e3b\u8981\u529f\u80fd\u5982\u4e0b&#xff1a;<\/p>\n<ul>\n<li>\u58f0\u97f3\u68c0\u6d4b\u4f20\u611f\u5668\u76d1\u6d4b\u5468\u56f4\u73af\u5883\u566a\u58f0&#xff0c;\u4e00\u65e6\u8d85\u8fc7\u7075\u654f\u5ea6\u9608\u503c&#xff0c;\u89e6\u53d1\u62a5\u8b66&#xff1b;<\/li>\n<li>\u7ea2\u5916\u907f\u969c\u4f20\u611f\u5668\u76d1\u6d4b\u4eba\u4f53\u79fb\u52a8&#xff0c;\u68c0\u6d4b\u5230\u6709\u4eba\u9760\u8fd1\u65f6\u89e6\u53d1\u62a5\u8b66&#xff1b;<\/li>\n<li>\u62a5\u8b66\u4fe1\u606f\u901a\u8fc7GSM\u6a21\u5757\u77ed\u4fe1\u53d1\u9001\u5230\u624b\u673a&#xff0c;\u4fdd\u8bc1\u7528\u6237\u53ca\u65f6\u77e5\u6653\u5f02\u5e38&#xff1b;<\/li>\n<li>\u77ed\u4fe1\u62a5\u8b66\u91c7\u7528\u5b9a\u65f6\u53d1\u9001\u673a\u5236&#xff0c;\u7ea635\u79d2\u4e3a\u4e00\u5468\u671f&#xff0c;\u5468\u671f\u5185\u591a\u6b21\u89e6\u53d1\u4ec5\u6c47\u603b\u4e00\u6b21\u53d1\u9001&#xff0c;\u9632\u6b62\u77ed\u4fe1\u6cdb\u6ee5&#xff1b;<\/li>\n<li>\u8702\u9e23\u5668\u5728\u62a5\u8b66\u72b6\u6001\u4e0b\u6301\u7eed\u9e23\u54cd&#xff0c;\u63d0\u4f9b\u73b0\u573a\u58f0\u54cd\u8b66\u793a&#xff1b;<\/li>\n<li>\u4f20\u611f\u5668\u7075\u654f\u5ea6\u53ef\u901a\u8fc7\u7535\u4f4d\u5668\u8c03\u8282&#xff0c;\u9002\u5e94\u4e0d\u540c\u73af\u5883\u9700\u6c42\u3002<\/li>\n<\/ul>\n<p>\u672c\u7cfb\u7edf\u9002\u5408\u5bb6\u5ead\u3001\u529e\u516c\u5ba4\u53ca\u5c0f\u578b\u5546\u4e1a\u573a\u6240\u7684\u5b89\u5168\u9632\u62a4&#xff0c;\u5177\u6709\u5b9e\u65f6\u6027\u5f3a\u3001\u62a5\u8b66\u51c6\u786e\u3001\u8fdc\u7a0b\u76d1\u63a7\u7684\u4f18\u52bf\u3002<\/p>\n<h2>2. \u7cfb\u7edf\u7535\u8def\u8bbe\u8ba1<\/h2>\n<p>\u7cfb\u7edf\u4e3b\u8981\u7531STM32F103C8T6\u5355\u7247\u673a\u6838\u5fc3\u63a7\u5236\u6a21\u5757\u3001\u58f0\u97f3\u68c0\u6d4b\u4f20\u611f\u5668\u3001\u7ea2\u5916\u907f\u969c\u4f20\u611f\u5668\u3001\u8702\u9e23\u5668\u62a5\u8b66\u6a21\u5757\u3001GSM\u77ed\u4fe1\u6a21\u5757\u53ca\u7535\u6e90\u6a21\u5757\u7ec4\u6210\u3002\u4ee5\u4e0b\u5bf9\u5404\u6a21\u5757\u7684\u7535\u8def\u8bbe\u8ba1\u4f5c\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n<h3>2.1 STM32\u5355\u7247\u673a\u6838\u5fc3\u63a7\u5236\u7535\u8def<\/h3>\n<p>STM32F103C8T6\u4f5c\u4e3a\u7cfb\u7edf\u7684\u6838\u5fc3\u5904\u7406\u5668&#xff0c;\u8d1f\u8d23\u4f20\u611f\u5668\u6570\u636e\u91c7\u96c6\u3001\u62a5\u8b66\u903b\u8f91\u5904\u7406\u548cGSM\u901a\u4fe1\u63a7\u5236\u3002<\/p>\n<ul>\n<li>\u91c7\u7528STM32F103C8T6\u82af\u7247&#xff0c;\u4e3b\u989172MHz&#xff0c;\u6027\u80fd\u7a33\u5b9a\u4e14\u529f\u8017\u8f83\u4f4e&#xff1b;<\/li>\n<li>\u914d\u5907\u6807\u51c6\u5916\u8bbe\u63a5\u53e3&#xff1a;GPIO\u3001ADC\u3001USART\u3001\u5b9a\u65f6\u5668\u7b49&#xff0c;\u7528\u4e8e\u8fde\u63a5\u4f20\u611f\u5668\u53ca\u901a\u4fe1\u6a21\u5757&#xff1b;<\/li>\n<li>\u4f7f\u7528\u5916\u90e8\u6676\u632f&#xff08;8MHz&#xff09;\u63d0\u4f9b\u51c6\u786e\u65f6\u949f&#xff0c;\u4fdd\u8bc1\u7cfb\u7edf\u65f6\u5e8f\u7a33\u5b9a&#xff1b;<\/li>\n<li>\u4f9b\u7535\u7535\u538b3.3V&#xff0c;\u7531\u7535\u6e90\u6a21\u5757\u7a33\u538b\u8f93\u51fa&#xff1b;<\/li>\n<li>\u901a\u8fc7GPIO\u91c7\u96c6\u58f0\u97f3\u4f20\u611f\u5668\u548c\u7ea2\u5916\u4f20\u611f\u5668\u6570\u5b57\u4fe1\u53f7&#xff1b;<\/li>\n<li>\u901a\u8fc7USART\u63a5\u53e3\u4e0eGSM\u6a21\u5757\u901a\u4fe1&#xff0c;\u5b9e\u73b0\u77ed\u4fe1\u53d1\u9001\u548c\u63a5\u6536\u63a7\u5236\u3002<\/li>\n<\/ul>\n<h3>2.2 \u58f0\u97f3\u68c0\u6d4b\u4f20\u611f\u5668\u6a21\u5757\u7535\u8def<\/h3>\n<p>\u58f0\u97f3\u68c0\u6d4b\u6a21\u5757\u7528\u4e8e\u76d1\u6d4b\u73af\u5883\u4e2d\u7684\u58f0\u97f3\u5f3a\u5ea6&#xff0c;\u4ea7\u751f\u6570\u5b57\u6216\u6a21\u62df\u4fe1\u53f7\u4f5c\u4e3a\u62a5\u8b66\u4f9d\u636e\u3002<\/p>\n<ul>\n<li>\u91c7\u7528\u5e26\u6709\u5185\u7f6e\u7535\u4f4d\u5668\u7684\u58f0\u97f3\u4f20\u611f\u5668\u6a21\u5757&#xff0c;\u53ef\u8c03\u8282\u7075\u654f\u5ea6\u9608\u503c&#xff1b;<\/li>\n<li>\u8f93\u51fa\u4fe1\u53f7\u4e3a\u6570\u5b57\u9ad8\u4f4e\u7535\u5e73&#xff0c;\u76f4\u63a5\u8fde\u63a5\u81f3STM32\u7684GPIO\u8f93\u5165\u7aef\u53e3&#xff1b;<\/li>\n<li>\u8bbe\u8ba1\u4e2d\u52a0\u5165\u6ee4\u6ce2\u548c\u7535\u5e73\u4fdd\u62a4\u7535\u8def&#xff0c;\u907f\u514d\u566a\u58f0\u5e72\u6270\u548cGPIO\u53e3\u635f\u574f&#xff1b;<\/li>\n<li>\u4f20\u611f\u5668\u6a21\u5757\u5de5\u4f5c\u7535\u538b\u4e3a3.3V&#xff0c;\u4e0e\u5355\u7247\u673a\u7535\u6e90\u517c\u5bb9\u3002<\/li>\n<\/ul>\n<h3>2.3 \u7ea2\u5916\u907f\u969c\u4f20\u611f\u5668\u6a21\u5757\u7535\u8def<\/h3>\n<p>\u7ea2\u5916\u907f\u969c\u4f20\u611f\u5668\u7528\u4e8e\u68c0\u6d4b\u4eba\u4f53\u6216\u7269\u4f53\u9760\u8fd1&#xff0c;\u89e6\u53d1\u9632\u76d7\u62a5\u8b66\u3002<\/p>\n<ul>\n<li>\u91c7\u7528\u5e26\u8c03\u8282\u7535\u4f4d\u5668\u7684\u7ea2\u5916\u907f\u969c\u6a21\u5757&#xff0c;\u7075\u654f\u5ea6\u53ef\u6839\u636e\u73af\u5883\u5149\u7ebf\u8c03\u8282&#xff1b;<\/li>\n<li>\u8f93\u51fa\u6570\u5b57\u4fe1\u53f7&#xff0c;\u8fde\u63a5\u81f3STM32\u53e6\u4e00GPIO\u8f93\u5165\u53e3&#xff1b;<\/li>\n<li>\u6a21\u5757\u7535\u6e90\u4e3a3.3V&#xff0c;\u8bbe\u8ba1\u6709\u7a33\u538b\u53ca\u6ee4\u6ce2\u7535\u8def&#xff0c;\u4fdd\u8bc1\u7a33\u5b9a\u68c0\u6d4b&#xff1b;<\/li>\n<li>\u4f20\u611f\u5668\u80fd\u591f\u5feb\u901f\u54cd\u5e94\u8fd0\u52a8\u76ee\u6807&#xff0c;\u4fdd\u8bc1\u62a5\u8b66\u53ca\u65f6\u3002<\/li>\n<\/ul>\n<h3>2.4 \u8702\u9e23\u5668\u62a5\u8b66\u6a21\u5757\u7535\u8def<\/h3>\n<p>\u8702\u9e23\u5668\u6a21\u5757\u8d1f\u8d23\u58f0\u54cd\u62a5\u8b66&#xff0c;\u63d0\u793a\u73b0\u573a\u5f02\u5e38\u72b6\u6001\u3002<\/p>\n<ul>\n<li>\u91c7\u7528\u6709\u6e90\u8702\u9e23\u5668&#xff0c;\u5de5\u4f5c\u7535\u538b3.3V&#xff1b;<\/li>\n<li>\u901a\u8fc7STM32\u7684GPIO\u53e3\u63a7\u5236&#xff0c;\u9ad8\u7535\u5e73\u9a71\u52a8\u8702\u9e23\u5668\u9e23\u54cd&#xff1b;<\/li>\n<li>\u8bbe\u8ba1\u7b80\u5355\u7684\u9a71\u52a8\u7535\u8def&#xff0c;\u9632\u6b62GPIO\u53e3\u8fc7\u8f7d\u635f\u574f&#xff1b;<\/li>\n<li>\u8702\u9e23\u5668\u53d1\u58f0\u97f3\u91cf\u8db3\u591f\u5927&#xff0c;\u9002\u5408\u5bb6\u5ead\u548c\u529e\u516c\u73af\u5883\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h3>2.5 GSM\u77ed\u4fe1\u6a21\u5757\u7535\u8def<\/h3>\n<p>GSM\u6a21\u5757\u5b9e\u73b0\u8fdc\u7a0b\u77ed\u4fe1\u62a5\u8b66\u529f\u80fd&#xff0c;\u5c06\u62a5\u8b66\u4fe1\u606f\u53d1\u9001\u81f3\u6307\u5b9a\u624b\u673a\u3002<\/p>\n<ul>\n<li>\u91c7\u7528\u5e38\u89c1SIM800\u7cfb\u5217GSM\u6a21\u5757&#xff0c;\u652f\u6301\u6807\u51c6AT\u547d\u4ee4\u96c6&#xff1b;<\/li>\n<li>\u4e0eSTM32\u901a\u8fc7UART\u4e32\u53e3\u8fde\u63a5&#xff0c;\u6ce2\u7279\u7387\u4e00\u822c\u8bbe\u4e3a115200&#xff1b;<\/li>\n<li>\u6a21\u5757\u914d\u5907SIM\u5361\u69fd&#xff0c;\u652f\u6301GSM\u7f51\u7edc\u901a\u4fe1&#xff1b;<\/li>\n<li>\u8bbe\u8ba1\u7535\u6e90\u7535\u8def\u786e\u4fdd\u6a21\u5757\u7a33\u5b9a\u5de5\u4f5c&#xff0c;\u542b\u6ee4\u6ce2\u4e0e\u8fc7\u6d41\u4fdd\u62a4&#xff1b;<\/li>\n<li>\u63a5\u6536\u77ed\u4fe1\u6307\u4ee4\u53ca\u53d1\u9001\u62a5\u8b66\u4fe1\u606f\u5747\u7531STM32\u63a7\u5236\u3002<\/li>\n<\/ul>\n<h3>2.6 \u7535\u6e90\u6a21\u5757\u8bbe\u8ba1<\/h3>\n<p>\u7cfb\u7edf\u91c7\u75285V\u5916\u90e8\u7535\u6e90\u8f93\u5165&#xff0c;\u901a\u8fc7\u7a33\u538b\u82af\u7247\u8f6c\u6362\u4e3a3.3V\u4f9b\u7535\u3002<\/p>\n<ul>\n<li>\u8bbe\u8ba1\u7a33\u538b\u6a21\u5757&#xff08;\u5982AMS1117-3.3&#xff09;\u786e\u4fdd\u8f93\u51fa\u7a33\u5b9a&#xff1b;<\/li>\n<li>\u52a0\u5165\u6ee4\u6ce2\u7535\u5bb9&#xff0c;\u51cf\u5c0f\u7535\u6e90\u566a\u58f0&#xff0c;\u63d0\u9ad8\u7cfb\u7edf\u7a33\u5b9a\u6027&#xff1b;<\/li>\n<li>\u8bbe\u8ba1\u4fdd\u62a4\u7535\u8def&#xff0c;\u907f\u514d\u8fc7\u538b\u8fc7\u6d41\u5bf9\u6a21\u5757\u635f\u5bb3&#xff1b;<\/li>\n<li>\u4fdd\u8bc1\u7cfb\u7edf\u5404\u6a21\u5757\u7535\u6e90\u5e72\u51c0\u3001\u53ef\u9760\u3002<\/li>\n<\/ul>\n<h2>3. \u7a0b\u5e8f\u8bbe\u8ba1<\/h2>\n<p>\u7a0b\u5e8f\u5b9e\u73b0\u7cfb\u7edf\u6838\u5fc3\u903b\u8f91&#xff0c;\u6d89\u53ca\u4f20\u611f\u5668\u4fe1\u53f7\u91c7\u96c6\u3001\u72b6\u6001\u5224\u65ad\u3001\u62a5\u8b66\u63a7\u5236\u3001\u77ed\u4fe1\u901a\u4fe1\u53ca\u5b9a\u65f6\u7ba1\u7406\u3002\u7a0b\u5e8f\u91c7\u7528\u6a21\u5757\u5316\u8bbe\u8ba1&#xff0c;\u5206\u4e3a\u521d\u59cb\u5316\u3001\u4f20\u611f\u5668\u8bfb\u53d6\u3001\u62a5\u8b66\u7ba1\u7406\u3001\u77ed\u4fe1\u53d1\u9001\u548c\u7cfb\u7edf\u5b9a\u65f6\u7ba1\u7406\u51e0\u5927\u90e8\u5206\u3002<\/p>\n<h3>3.1 \u7cfb\u7edf\u521d\u59cb\u5316<\/h3>\n<p>\u7cfb\u7edf\u542f\u52a8\u65f6&#xff0c;\u5b8c\u6210\u786c\u4ef6\u548c\u901a\u4fe1\u63a5\u53e3\u521d\u59cb\u5316\u3002<\/p>\n<ul>\n<li>\u521d\u59cb\u5316\u7cfb\u7edf\u65f6\u949f\u3001GPIO\u53e3\u3001UART\u901a\u4fe1\u63a5\u53e3\u3001\u5b9a\u65f6\u5668&#xff1b;<\/li>\n<li>\u521d\u59cb\u5316\u8702\u9e23\u5668\u63a7\u5236\u53e3\u4e3a\u8f93\u51fa\u4f4e\u7535\u5e73&#xff08;\u5173\u95ed\u72b6\u6001&#xff09;&#xff1b;<\/li>\n<li>\u914d\u7f6e\u58f0\u97f3\u68c0\u6d4b\u548c\u7ea2\u5916\u4f20\u611f\u5668\u8f93\u5165\u53e3\u4e3aGPIO\u8f93\u5165&#xff1b;<\/li>\n<li>\u521d\u59cb\u5316\u4e32\u53e3\u901a\u4fe1\u53c2\u6570&#xff0c;\u51c6\u5907\u4e0eGSM\u6a21\u5757\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">System_Init<\/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_Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">SystemClock_Config<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">MX_GPIO_Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">MX_USART1_UART_Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">Buzzer_Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">Timer_Init<\/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>3.2 \u4f20\u611f\u5668\u6570\u636e\u91c7\u96c6<\/h3>\n<ul>\n<li>\u901a\u8fc7GPIO\u8bfb\u53d6\u58f0\u97f3\u4f20\u611f\u5668\u6570\u5b57\u4fe1\u53f7&#xff1b;<\/li>\n<li>\u901a\u8fc7GPIO\u8bfb\u53d6\u7ea2\u5916\u907f\u969c\u4f20\u611f\u5668\u6570\u5b57\u4fe1\u53f7&#xff1b;<\/li>\n<li>\u6839\u636e\u4f20\u611f\u5668\u7535\u4f4d\u5668\u8bbe\u7f6e\u7684\u7075\u654f\u5ea6&#xff0c;\u5b9e\u65f6\u5224\u65ad\u4fe1\u53f7\u662f\u5426\u89e6\u53d1\u62a5\u8b66\u3002<\/li>\n<\/ul>\n<p><span class=\"token class-name\">uint8_t<\/span> <span class=\"token function\">Read_SoundSensor<\/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\">return<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>SOUND_SENSOR_GPIO_Port<span class=\"token punctuation\">,<\/span> SOUND_SENSOR_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token class-name\">uint8_t<\/span> <span class=\"token function\">Read_IRSensor<\/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\">return<\/span> <span class=\"token function\">HAL_GPIO_ReadPin<\/span><span class=\"token punctuation\">(<\/span>IR_SENSOR_GPIO_Port<span class=\"token punctuation\">,<\/span> IR_SENSOR_Pin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3.3 \u62a5\u8b66\u903b\u8f91\u4e0e\u8702\u9e23\u5668\u63a7\u5236<\/h3>\n<ul>\n<li>\u82e5\u58f0\u97f3\u4f20\u611f\u5668\u6216\u7ea2\u5916\u4f20\u611f\u5668\u89e6\u53d1\u62a5\u8b66&#xff0c;\u7cfb\u7edf\u542f\u52a8\u8702\u9e23\u5668\u53d1\u58f0&#xff1b;<\/li>\n<li>\u62a5\u8b66\u72b6\u6001\u4fdd\u6301\u81f3\u5c1135\u79d2&#xff0c;\u907f\u514d\u9891\u7e41\u5207\u6362&#xff1b;<\/li>\n<li>\u5728\u62a5\u8b66\u95f4\u9694\u5185\u8bb0\u5f55\u591a\u6b21\u89e6\u53d1\u60c5\u51b5&#xff0c;35\u79d2\u7ed3\u675f\u540e\u7edf\u4e00\u77ed\u4fe1\u4e0a\u62a5&#xff1b;<\/li>\n<li>\u65e0\u89e6\u53d1\u65f6\u5173\u95ed\u8702\u9e23\u5668&#xff0c;\u6062\u590d\u76d1\u6d4b\u3002<\/li>\n<\/ul>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Alarm_Handler<\/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>sound_alarm_triggered <span class=\"token operator\">||<\/span> ir_alarm_triggered<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>BUZZER_GPIO_Port<span class=\"token punctuation\">,<\/span> BUZZER_Pin<span class=\"token punctuation\">,<\/span> GPIO_PIN_SET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        alarm_start_time <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">HAL_GetTick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        alarm_active <span class=\"token operator\">&#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 keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>alarm_active<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 punctuation\">(<\/span><span class=\"token function\">HAL_GetTick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> alarm_start_time<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> ALARM_INTERVAL<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">Send_Alarm_SMS<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            alarm_active <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">HAL_GPIO_WritePin<\/span><span class=\"token punctuation\">(<\/span>BUZZER_GPIO_Port<span class=\"token punctuation\">,<\/span> BUZZER_Pin<span class=\"token punctuation\">,<\/span> GPIO_PIN_RESET<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            sound_alarm_triggered <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            ir_alarm_triggered <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 punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3.4 GSM\u77ed\u4fe1\u53d1\u9001\u529f\u80fd<\/h3>\n<ul>\n<li>\u5229\u7528USART\u63a5\u53e3\u53d1\u9001AT\u547d\u4ee4\u63a7\u5236GSM\u6a21\u5757\u53d1\u9001\u77ed\u4fe1&#xff1b;<\/li>\n<li>\u77ed\u4fe1\u5185\u5bb9\u5305\u62ec\u62a5\u8b66\u7c7b\u578b\u53ca\u65f6\u95f4\u6233&#xff1b;<\/li>\n<li>\u77ed\u4fe1\u53d1\u9001\u540e\u89e3\u6790\u6a21\u5757\u8fd4\u56de\u72b6\u6001&#xff0c;\u786e\u4fdd\u53d1\u9001\u6210\u529f&#xff1b;<\/li>\n<li>\u652f\u6301\u77ed\u4fe1\u53d1\u9001\u9519\u8bef\u91cd\u53d1\u673a\u5236&#xff0c;\u63d0\u5347\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Send_Alarm_SMS<\/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\">char<\/span> sms_content<span class=\"token punctuation\">[<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>sms_content<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Alarm triggered! Sound:%d IR:%d Time:%lu&#034;<\/span><span class=\"token punctuation\">,<\/span> sound_alarm_triggered<span class=\"token punctuation\">,<\/span> ir_alarm_triggered<span class=\"token punctuation\">,<\/span> <span class=\"token function\">HAL_GetTick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">\/<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <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><span class=\"token string\">&#034;AT&#043;CMGF&#061;1\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;AT&#043;CMGF&#061;1\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/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 function\">HAL_Delay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/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><span class=\"token string\">&#034;AT&#043;CMGS&#061;\\\\&#034;&#043;1234567890\\\\&#034;\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;AT&#043;CMGS&#061;\\\\&#034;&#043;1234567890\\\\&#034;\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/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 function\">HAL_Delay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/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>sms_content<span class=\"token punctuation\">,<\/span> <span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span>sms_content<span class=\"token punctuation\">)<\/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 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><span class=\"token string\">&#034;\\\\x1A&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Ctrl&#043;Z\u7ed3\u675f\u53d1\u9001<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3.5 \u4e3b\u5faa\u73af\u7a0b\u5e8f\u8bbe\u8ba1<\/h3>\n<ul>\n<li>\u4e3b\u5faa\u73af\u4e0d\u65ad\u8f6e\u8be2\u4f20\u611f\u5668\u72b6\u6001&#xff1b;<\/li>\n<li>\u6839\u636e\u91c7\u96c6\u5230\u7684\u72b6\u6001\u66f4\u65b0\u62a5\u8b66\u6807\u5fd7&#xff1b;<\/li>\n<li>\u8c03\u7528\u62a5\u8b66\u5904\u7406\u51fd\u6570&#xff0c;\u63a7\u5236\u8702\u9e23\u5668\u548c\u77ed\u4fe1\u53d1\u9001&#xff1b;<\/li>\n<li>\u4fdd\u6301\u7cfb\u7edf\u6301\u7eed\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">System_Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/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> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">Read_SoundSensor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            sound_alarm_triggered <span class=\"token operator\">&#061;<\/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\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">Read_IRSensor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            ir_alarm_triggered <span class=\"token operator\">&#061;<\/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\">Alarm_Handler<\/span><span class=\"token punctuation\">(<\/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\">100<\/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<h2>4. 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