{"id":10021106,"date":"2025-12-06T20:26:22","date_gmt":"2025-12-06T12:26:22","guid":{"rendered":"https:\/\/itmax.cn\/?p=10021106"},"modified":"2025-12-06T20:26:22","modified_gmt":"2025-12-06T12:26:22","slug":"%e5%bc%80%e6%ba%90%e5%85%8d%e8%b4%b9%e5%9f%ba%e4%ba%8estm32%e7%9a%84%e5%85%a8%e8%87%aa%e5%8a%a8%e8%8a%82%e6%b0%b4%e7%81%8c%e6%ba%89%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10021106","title":{"rendered":"[\u5f00\u6e90\u514d\u8d39]\u57fa\u4e8eSTM32\u7684\u5168\u81ea\u52a8\u8282\u6c34\u704c\u6e89\u7cfb\u7edf"},"content":{"rendered":"<h2>[\u5f00\u6e90\u514d\u8d39]\u57fa\u4e8eSTM32\u7684\u5168\u81ea\u52a8\u8282\u6c34\u704c\u6e89\u7cfb\u7edf<\/h2>\n<p><strong>\u2014\u2014\u4ece\u4f20\u611f\u76d1\u6d4b\u5230\u667a\u80fd\u63a7\u5236\u7684\u5b8c\u6574\u5b9e\u8df5\u65b9\u6848<\/strong><\/p>\n<h3>\u4e00\u3001\u9879\u76ee\u80cc\u666f<\/h3>\n<p>\u968f\u7740\u7269\u8054\u7f51\u6280\u672f\u4e0e\u5d4c\u5165\u5f0f\u63a7\u5236\u7684\u53d1\u5c55\uff0c\u519c\u4e1a\u81ea\u52a8\u5316\u9010\u6e10\u4ece\u6982\u5ff5\u8d70\u5411\u843d\u5730\u3002\u4f20\u7edf\u704c\u6e89\u7cfb\u7edf\u666e\u904d\u5b58\u5728\u201c\u7c97\u653e\u5f0f\u6d47\u6c34\u3001\u6d6a\u8d39\u6c34\u6e90\u3001\u4eba\u5de5\u4f9d\u8d56\u5ea6\u9ad8\u201d\u7b49\u95ee\u9898\uff0c\u96be\u4ee5\u6ee1\u8db3\u73b0\u4ee3\u519c\u4e1a\u5bf9\u8282\u6c34\u3001\u9ad8\u6548\u3001\u667a\u80fd\u5316\u7684\u9700\u6c42\u3002<br \/>\u57fa\u4e8e STM32 \u5fae\u63a7\u5236\u5668\u7684\u5168\u81ea\u52a8\u8282\u6c34\u704c\u6e89\u7cfb\u7edf\uff0c\u51ed\u501f\u4f4e\u529f\u8017\u3001\u9ad8\u7a33\u5b9a\u6027\u548c\u5f3a\u6269\u5c55\u6027\u7684\u4f18\u52bf\uff0c\u6210\u4e3a\u4e00\u79cd\u6210\u672c\u53ef\u63a7\u3001\u53ef\u5e7f\u6cdb\u90e8\u7f72\u7684\u667a\u80fd\u704c\u6e89\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u672c\u6587\u5c06\u4ece\u65b9\u6848\u8bbe\u8ba1\u3001\u6838\u5fc3\u529f\u80fd\u3001\u786c\u4ef6\u67b6\u6784\u5230\u8f6f\u4ef6\u6d41\u7a0b\u8fdb\u884c\u5168\u9762\u89e3\u6790\uff0c\u4e3a\u4f60\u6784\u5efa\u4e00\u4e2a\u5b8c\u6574\u7684\u201c\u53ef\u843d\u5730\u3001\u53ef\u590d\u7528\u3001\u53ef\u4f18\u5316\u201d\u7684\u667a\u80fd\u704c\u6e89\u9879\u76ee\u3002<\/p>\n<hr>\n<h2>\u6e90\u7801\u5206\u4eab<\/h2>\n<p>\u76f4\u63a5\u653e\u5230\u4e4b\u524d\u5199\u7684\u6587\u7ae0\u91cc\u4e86\uff0c\u514d\u8d39\u5f00\u6e90\uff0c\u4e0b\u8f7d\u5b66\u4e60\u5373\u53ef\u3002<\/p>\n<blockquote><p><a href=\"https:\/\/link.segmentfault.com\/?enc=bo5Hy%2FZW87lTuO4QpNw8uQ%3D%3D.R9RJjk789nyuRLVvy2ho6XnOLS9MKX%2BtJqmV50b7KoLUTVd%2FcJCPmJvmatI0QsS%2BvUXEOgrn3m2HE5h8p8gB9A%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/blog.csdn.net\/weixin_52908342\/article\/details\/155599760<\/a><\/p><\/blockquote>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047455197\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p>\n<h3>\u4e8c\u3001\u7cfb\u7edf\u603b\u4f53\u8bbe\u8ba1<\/h3>\n<p>\u6574\u4e2a\u7cfb\u7edf\u56f4\u7ed5\u201c\u5b9e\u65f6\u76d1\u6d4b + \u667a\u80fd\u5224\u65ad + \u81ea\u52a8\u63a7\u5236 + \u8fdc\u7a0b\u901a\u4fe1\u201d\u56db\u5927\u6838\u5fc3\u80fd\u529b\u5c55\u5f00\u3002\u6574\u4f53\u67b6\u6784\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u63a7\u5236\u6838\u5fc3<\/strong>\uff1aSTM32F103C8T6 \u6216 STM32F401 \u7b49 Cortex-M3\/M4 \u5fae\u63a7\u5236\u5668<\/li>\n<li><strong>\u4f20\u611f\u5668\u6a21\u5757<\/strong>\uff1a\u571f\u58e4\u6e7f\u5ea6\uff08\u7535\u963b\u5f0f\/\u7535\u5bb9\u5f0f\uff09\u3001\u5149\u7167\u5f3a\u5ea6\u3001\u6e29\u6e7f\u5ea6\u3001\u96e8\u6ef4\u68c0\u6d4b<\/li>\n<li><strong>\u6267\u884c\u673a\u6784<\/strong>\uff1a\u7535\u78c1\u9600\u3001\u6c34\u6cf5\u3001\u7ee7\u7535\u5668\u9a71\u52a8\u6a21\u5757<\/li>\n<li><strong>\u901a\u4fe1\u6a21\u5757<\/strong>\uff1aESP8266\/WiFi\u3001LoRa\u30014G \u6a21\u5757\uff08\u89c6\u90e8\u7f72\u73af\u5883\u9009\u62e9\uff09<\/li>\n<li><strong>\u4f9b\u7535\u6a21\u5757<\/strong>\uff1a\u592a\u9633\u80fd\u677f + \u9502\u7535\u6c60 + DC-DC \u7a33\u538b<\/li>\n<\/ul>\n<p>\u7cfb\u7edf\u76ee\u6807\u662f\u81ea\u52a8\u5224\u65ad\u5f53\u524d\u571f\u58e4\u72b6\u6001\u662f\u5426\u9700\u8981\u704c\u6e89\uff0c\u5e76\u6309\u9700\u542f\u52a8\u7535\u78c1\u9600\u6216\u6c34\u6cf5\uff0c\u540c\u65f6\u6839\u636e\u5929\u6c14\u53d8\u5316\u52a8\u6001\u8c03\u8282\u704c\u6e89\u7b56\u7565\uff0c\u5b9e\u73b0\u6df1\u5ea6\u8282\u6c34\u3002<\/p>\n<hr>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047455198\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" title=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" loading=\"lazy\"><\/p>\n<h3>\u4e09\u3001\u6838\u5fc3\u529f\u80fd\u8bbe\u8ba1<\/h3>\n<h4>1. \u5b9e\u65f6\u571f\u58e4\u6e7f\u5ea6\u76d1\u6d4b<\/h4>\n<p>\u91c7\u7528\u7535\u5bb9\u5f0f\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\uff0c\u901a\u8fc7 ADC \u91c7\u96c6\u6a21\u62df\u503c\u5e76\u8fdb\u884c\u6ee4\u6ce2\u5904\u7406\u3002<br \/>\u8f6f\u4ef6\u5185\u90e8\u901a\u8fc7\u591a\u70b9\u6807\u5b9a\u5efa\u7acb\u6e7f\u5ea6\u2014ADC \u6620\u5c04\u5173\u7cfb\uff0c\u5f97\u5230\u6700\u7ec8\u6e7f\u5ea6\u767e\u5206\u6bd4\u3002<\/p>\n<pre><code class=\"c\">uint16_t adc_value = ADC_GetValue();\nfloat soil_humidity = map(adc_value, 800, 3000, 0, 100);<\/code><\/pre>\n<p>\u5e76\u8fdb\u884c\u5747\u503c\u6ee4\u6ce2 + \u4e2d\u503c\u6ee4\u6ce2\uff0c\u51cf\u5c11\u73af\u5883\u566a\u58f0\u5e72\u6270\u3002<\/p>\n<hr>\n<h4>2. \u667a\u80fd\u704c\u6e89\u7b56\u7565\u63a7\u5236<\/h4>\n<p>\u704c\u6e89\u7b56\u7565\u4e0d\u518d\u662f\u201c\u6e7f\u5ea6\u4f4e\u4e8e\u9608\u503c\u5c31\u6d47\u6c34\u201d\u8fd9\u4e48\u7b80\u5355\uff0c\u800c\u662f\u901a\u8fc7\u591a\u7ef4\u56e0\u7d20\u8fdb\u884c\u5224\u65ad\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u53c2\u6570<\/th>\n<th>\u4f5c\u7528<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u571f\u58e4\u6e7f\u5ea6<\/td>\n<td>\u5224\u65ad\u662f\u5426\u7f3a\u6c34<\/td>\n<\/tr>\n<tr>\n<td>\u5149\u7167\u5f3a\u5ea6<\/td>\n<td>\u5224\u65ad\u662f\u5426\u5904\u4e8e\u66dd\u6652\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td>\u7a7a\u6c14\u6e29\u6e7f\u5ea6<\/td>\n<td>\u4f30\u8ba1\u84b8\u53d1\u901f\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u662f\u5426\u4e0b\u96e8<\/td>\n<td>\u9632\u6b62\u96e8\u5929\u704c\u6e89<\/td>\n<\/tr>\n<tr>\n<td>\u5386\u53f2\u704c\u6e89\u65f6\u95f4<\/td>\n<td>\u9650\u5236\u8fc7\u591a\u704c\u6e89<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7b56\u7565\u793a\u4f8b\uff1a<\/p>\n<pre><code>\u5982\u679c \u6e7f\u5ea6 &lt; 40% \u4e14 \u65e0\u96e8 \u4e14 (\u5149\u7167\u5f31 \u6216 \u6e29\u5ea6\u8f83\u4f4e)\n    \u5219\u8fdb\u884c\u704c\u6e89\n\u5426\u5219\n    \u505c\u6b62\u704c\u6e89<\/code><\/pre>\n<p>\u8fd9\u6837\u7684\u7ec4\u5408\u7b56\u7565\u663e\u8457\u964d\u4f4e\u4e86\u4e0d\u5fc5\u8981\u7684\u6d47\u6c34\u6b21\u6570\uff0c\u5b9e\u73b0\u771f\u6b63\u8282\u6c34\u3002<\/p>\n<hr>\n<h4>3. \u7535\u78c1\u9600\u548c\u6c34\u6cf5\u63a7\u5236<\/h4>\n<p>\u7cfb\u7edf\u4f7f\u7528 MOSFET \u6216\u7ee7\u7535\u5668\u9a71\u52a8\u7535\u78c1\u9600\uff0c\u5e76\u4f7f\u7528 PWM \u63a7\u5236\u6c34\u6cf5\u6d41\u91cf\u3002<br \/>\u4e3a\u4e86\u9632\u6b62\u6c34\u6cf5\u5e72\u8f6c\uff0c\u52a0\u5165\u6c34\u4f4d\u68c0\u6d4b\u548c\u5b9a\u65f6\u4fdd\u62a4\u673a\u5236\u3002<\/p>\n<pre><code class=\"c\">if (need_irrigation) {\n    Relay_ON();\n    Start_Timer(\u704c\u6e89\u6700\u5927\u65f6\u957f\u4fdd\u62a4);\n} else {\n    Relay_OFF();\n}<\/code><\/pre>\n<hr>\n<h4>4. \u8fdc\u7a0b\u76d1\u63a7\u529f\u80fd\uff08\u53ef\u9009\uff09<\/h4>\n<p>\u901a\u8fc7 ESP8266\uff0c\u5c06\u4f20\u611f\u6570\u636e\u4e0a\u4f20\u5230\u670d\u52a1\u5668\uff08\u5982 OneNET\u3001\u963f\u91cc\u4e91 IoT\uff0c\u4e5f\u53ef\u81ea\u5efa MQTT \u670d\u52a1\uff09\u3002<br \/>\u7528\u6237\u53ef\u901a\u8fc7\u624b\u673a App\/\u7f51\u9875\u67e5\u770b\u6e7f\u5ea6\u3001\u6c34\u6cf5\u72b6\u6001\u3001\u5386\u53f2\u8d8b\u52bf\uff0c\u5e76\u53ef\u624b\u52a8\u8fdc\u7a0b\u542f\u52a8\u704c\u6e89\u3002<\/p>\n<p>\u6570\u636e\u4e0a\u9001\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"json\">{\n  &quot;soil&quot;: 48,\n  &quot;temp&quot;: 26,\n  &quot;hum&quot;: 60,\n  &quot;light&quot;: 320,\n  &quot;pump&quot;: 0\n}<\/code><\/pre>\n<hr>\n<h4>5. \u4f4e\u529f\u8017\u8bbe\u8ba1\uff08\u91cd\u70b9\uff09<\/h4>\n<p>\u6237\u5916\u90e8\u7f72\u957f\u671f\u8fd0\u884c\u5fc5\u987b\u8003\u8651\u4f4e\u529f\u8017\uff1a<\/p>\n<ul>\n<li>\u4f20\u611f\u5668\u91c7\u7528\u95f4\u6b47\u6027\u4f9b\u7535\uff08GPIO \u63a7\u7535\u6e90\uff09<\/li>\n<li>STM32 \u8fdb\u5165 Stop \u6a21\u5f0f\uff0c\u5b9a\u65f6\u5668\u5524\u9192<\/li>\n<li>ESP8266 \u4ec5\u5728\u4e0a\u62a5\u65f6\u77ed\u6682\u5524\u9192<\/li>\n<\/ul>\n<p>\u6700\u7ec8\u6574\u5957\u7cfb\u7edf\u53ef\u7528\u592a\u9633\u80fd + 18650 \u7535\u6c60\u5b9e\u73b0\u5168\u5e74\u81ea\u6cbb\u4f9b\u7535\u3002<\/p>\n<hr>\n<h3>\u56db\u3001\u786c\u4ef6\u8bbe\u8ba1\u89e3\u6790<\/h3>\n<h4>1. \u4e3b\u63a7\u677f\uff08STM32\uff09<\/h4>\n<ul>\n<li>MCU\uff1aSTM32F103\uff08\u6027\u4ef7\u6bd4\u9ad8\uff09<\/li>\n<li>\u5916\u8bbe\uff1aADC \u00d7 3\u3001PWM\u3001USART\u3001I2C<\/li>\n<li>\u4fdd\u62a4\uff1aTVS\u3001\u7a33\u538b\u3001\u53cd\u63a5\u4fdd\u62a4<\/li>\n<\/ul>\n<p>\u91c7\u53d6\u6a21\u5757\u5316\u8bbe\u8ba1\uff0c\u65b9\u4fbf\u540e\u7eed\u6269\u5c55\uff08\u5982 CO\u2082\u3001\u98ce\u901f\u7b49\u4f20\u611f\u5668\uff09\u3002<\/p>\n<hr>\n<h4>2. \u4f20\u611f\u5668\u6a21\u5757<\/h4>\n<ul>\n<li><strong>\u571f\u58e4\u6e7f\u5ea6<\/strong>\uff1a\u7535\u5bb9\u5f0f\uff08\u6297\u8150\u8680\u3001\u5bff\u547d\u957f\uff09<\/li>\n<li><strong>\u5149\u7167\u5f3a\u5ea6<\/strong>\uff1a\u5149\u654f\/TSL2561<\/li>\n<li><strong>\u96e8\u6ef4\u68c0\u6d4b<\/strong>\uff1a\u6a21\u62df\u91cf + \u6570\u5b57\u9608\u503c<\/li>\n<li><strong>\u7a7a\u6c14\u6e29\u6e7f\u5ea6<\/strong>\uff1aDHT22\/SHT30<\/li>\n<\/ul>\n<p>\u6240\u6709\u4f20\u611f\u5668\u901a\u8fc7\u6392\u9488\u5916\u63a5\uff0c\u4fbf\u4e8e\u66f4\u6362\u4e0e\u7ef4\u62a4\u3002<\/p>\n<hr>\n<h4>3. \u6267\u884c\u673a\u6784<\/h4>\n<ul>\n<li><strong>\u7535\u78c1\u9600<\/strong>\uff1a12V \u519c\u7528\u9600\uff0c\u5e26\u6b62\u56de<\/li>\n<li><strong>\u6c34\u6cf5<\/strong>\uff1a12V\/24V \u76f4\u6d41\u6c34\u6cf5<\/li>\n<li><strong>\u7ee7\u7535\u5668\u677f<\/strong>\uff1a\u5149\u8026\u9694\u79bb<\/li>\n<\/ul>\n<p>\u9a71\u52a8\u90e8\u5206\u9700\u8981\u52a0\u7eed\u6d41\u4fdd\u62a4\u3001\u9632\u6d6a\u6d8c\u63aa\u65bd\u3002<\/p>\n<hr>\n<h4>4. \u7535\u6e90\u7cfb\u7edf<\/h4>\n<p>\u592a\u9633\u80fd\u8f93\u5165 \u2192 MPPT \u5145\u7535\u6a21\u5757 \u2192 \u9502\u7535\u6c60 \u2192 DC-DC \u964d\u538b\u6a21\u5757<\/p>\n<p>\u7cfb\u7edf\u7535\u6e90\u5197\u4f59\u8bbe\u8ba1\u4fdd\u8bc1\u5168\u5929\u5019\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n<hr>\n<h3>\u4e94\u3001\u8f6f\u4ef6\u7cfb\u7edf\u67b6\u6784<\/h3>\n<p>\u8f6f\u4ef6\u91c7\u7528 <strong>\u4efb\u52a1\u5f0f\u6a21\u5757\u5212\u5206<\/strong>\uff0c\u7ed3\u6784\u6e05\u6670\uff0c\u4fbf\u4e8e\u6269\u5c55\uff1a<\/p>\n<h4>\u4e3b\u5faa\u73af\u903b\u8f91<\/h4>\n<pre><code class=\"c\">while (1) {\n    Read_Sensors();\n    Calc_Strategy();\n    Control_Irrigation();\n    Upload_Data();      \/\/ \u53ef\u9009\n    Enter_LowPower();   \/\/ \u8282\u80fd\u6a21\u5f0f\n}<\/code><\/pre>\n<h4>\u6a21\u5757\u5212\u5206<\/h4>\n<ul>\n<li><strong>Sensor.c<\/strong>\uff1a\u6e7f\u5ea6\u3001\u6e29\u5ea6\u3001\u5149\u7167\u7b49\u91c7\u96c6<\/li>\n<li><strong>Control.c<\/strong>\uff1a\u704c\u6e89\u7b56\u7565\u5224\u65ad<\/li>\n<li><strong>Driver.c<\/strong>\uff1a\u7ee7\u7535\u5668\u3001\u6cf5\u3001\u7535\u78c1\u9600\u9a71\u52a8<\/li>\n<li><strong>Comm.c<\/strong>\uff1aWiFi\/MQTT \u6570\u636e\u901a\u4fe1<\/li>\n<li><strong>Power.c<\/strong>\uff1a\u4f4e\u529f\u8017\u7ba1\u7406<\/li>\n<\/ul>\n<p>\u6574\u4e2a\u7cfb\u7edf\u5177\u6709\u826f\u597d\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u79fb\u690d\u6027\u3002<\/p>\n<hr>\n<h3>\u516d\u3001\u7cfb\u7edf\u6d4b\u8bd5\u4e0e\u6548\u679c\u5c55\u793a<\/h3>\n<p>\u901a\u8fc7\u4e00\u5468\u7684\u6237\u5916\u5b9e\u9a8c\uff0c\u7cfb\u7edf\u8868\u73b0\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u6e7f\u5ea6\u7ef4\u6301\u5728 45%\uff5e60% 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Mesh<\/strong>\uff1a\u9002\u7528\u4e8e\u5927\u9762\u79ef\u519c\u7530<\/li>\n<li><strong>\u4e91\u7aef\u5927\u5c4f\u76d1\u63a7\u7cfb\u7edf<\/strong><\/li>\n<li><strong>\u81ea\u52a8\u65bd\u80a5\uff08\u704c\u6e89 + \u65bd\u80a5\u4e00\u4f53\u5316\uff09<\/strong><\/li>\n<li><strong>\u533a\u5757\u94fe\u519c\u4ea7\u54c1\u6eaf\u6e90<\/strong>\uff08\u6570\u636e\u4e0d\u53ef\u7be1\u6539\uff09<\/li>\n<\/ul>\n<p>\u7cfb\u7edf\u5b8c\u5168\u53ef\u4ece\u201c\u4e2a\u4eba DIY \u9879\u76ee\u201d\u5347\u7ea7\u4e3a\u201c\u667a\u6167\u519c\u4e1a\u89e3\u51b3\u65b9\u6848\u201d\u3002<\/p>\n<hr>\n<h3>\u516b\u3001\u7ed3\u8bed<\/h3>\n<p>\u57fa\u4e8e STM32 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