{"id":52119,"date":"2025-08-11T10:36:29","date_gmt":"2025-08-11T02:36:29","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/52119.html"},"modified":"2025-08-11T10:36:29","modified_gmt":"2025-08-11T02:36:29","slug":"%e5%9f%ba%e4%ba%8estm32%e5%8d%95%e7%89%87%e6%9c%ba%e7%9a%84onenet%e7%89%a9%e8%81%94%e7%bd%91%e7%8e%af%e5%a2%83%e6%a3%80%e6%b5%8b%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/52119.html","title":{"rendered":"\u57fa\u4e8eSTM32\u5355\u7247\u673a\u7684OneNet\u7269\u8054\u7f51\u73af\u5883\u68c0\u6d4b\u7cfb\u7edf"},"content":{"rendered":"

1. \u7cfb\u7edf\u6982\u8ff0<\/h2>\n

\u672c\u7cfb\u7edf\u4e3a\u4e00\u4e2a\u57fa\u4e8eSTM32\u5355\u7247\u673a\u7684\u7269\u8054\u7f51\u73af\u5883\u68c0\u6d4b\u7cfb\u7edf，\u7ed3\u5408\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u3001\u5149\u7167\u4f20\u611f\u5668\u3001\u70df\u96fe\u4f20\u611f\u5668\u53caESP8266 WiFi\u901a\u4fe1\u6a21\u5757，\u6784\u5efa\u4e86\u4e00\u4e2a\u80fd\u591f\u5b9e\u65f6\u91c7\u96c6\u73af\u5883\u4fe1\u606f\u5e76\u4e0a\u4f20\u81f3OneNet\u4e91\u5e73\u53f0\u7684\u667a\u80fd\u76d1\u6d4b\u5e73\u53f0\u3002\u7528\u6237\u53ef\u901a\u8fc7\u7f51\u9875\u6216\u624b\u673aAPP\u5b9e\u65f6\u67e5\u770b\u5404\u7c7b\u73af\u5883\u53c2\u6570，\u5b9e\u73b0\u5bf9\u6e29\u5ea6\u3001\u6e7f\u5ea6\u3001\u5149\u7167\u5f3a\u5ea6\u3001\u70df\u96fe\u6d53\u5ea6\u7684\u8fdc\u7a0b\u76d1\u63a7，\u4e3a\u667a\u6167\u519c\u4e1a\u3001\u667a\u6167\u5bb6\u5c45\u3001\u667a\u6167\u6821\u56ed\u7b49\u573a\u666f\u63d0\u4f9b\u6570\u636e\u652f\u6491\u3002<\/p>\n

\u8be5\u7cfb\u7edf\u4e3b\u8981\u5206\u4e3a\u4e09\u5927\u90e8\u5206：\u529f\u80fd\u6a21\u5757\u8bbe\u8ba1\u3001\u7535\u8def\u8bbe\u8ba1\u3001\u7a0b\u5e8f\u8bbe\u8ba1，\u4e0b\u9762\u5c06\u9010\u4e00\u8fdb\u884c\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n

2. \u529f\u80fd\u4ecb\u7ecd<\/h2>\n

\u672c\u7cfb\u7edf\u5177\u6709\u5982\u4e0b\u6838\u5fc3\u529f\u80fd：<\/p>\n

  • \u5b9e\u65f6\u91c7\u96c6\u73af\u5883\u6570\u636e，\u5305\u62ec\u6e29\u5ea6\u3001\u6e7f\u5ea6\u3001\u5149\u7167\u5f3a\u5ea6\u3001\u70df\u96fe\u6d53\u5ea6；<\/li>\n
  • \u5b9e\u65f6\u901a\u8fc7ESP8266 WiFi\u6a21\u5757\u4e0a\u4f20\u6570\u636e\u81f3OneNet\u4e91\u5e73\u53f0；<\/li>\n
  • \u652f\u6301\u7528\u6237\u901a\u8fc7\u7f51\u9875\u7aef\u6216\u624b\u673aAPP\u8fdc\u7a0b\u67e5\u770b\u6570\u636e；<\/li>\n
  • \u5177\u6709\u8f83\u5f3a\u7684\u53ef\u6269\u5c55\u6027，\u4fbf\u4e8e\u6dfb\u52a0\u66f4\u591a\u4f20\u611f\u5668\u6216\u63a7\u5236\u6a21\u5757\u3002<\/li>\n

    \u8fd9\u4e9b\u529f\u80fd\u7684\u5b9e\u73b0\u4f9d\u8d56\u4e8eSTM32\u5355\u7247\u673a\u7684\u9ad8\u901f\u5904\u7406\u80fd\u529b\u3001ESP8266\u7684\u7f51\u7edc\u901a\u4fe1\u80fd\u529b，\u4ee5\u53ca\u5404\u7c7b\u73af\u5883\u4f20\u611f\u5668\u5bf9\u4e0d\u540c\u7269\u7406\u91cf\u7684\u654f\u611f\u68c0\u6d4b\u80fd\u529b\u3002<\/p>\n

    3. \u7535\u8def\u8bbe\u8ba1<\/h2>\n

    \u7cfb\u7edf\u786c\u4ef6\u7535\u8def\u7531\u4ee5\u4e0b\u51e0\u4e2a\u5b50\u6a21\u5757\u7ec4\u6210：<\/p>\n

    3.1 STM32\u6700\u5c0f\u7cfb\u7edf\u7535\u8def<\/h3>\n

    STM32F103C8T6\u4e3a\u6838\u5fc3\u63a7\u5236\u82af\u7247，\u63d0\u4f9b\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u4e0e\u5916\u8bbe\u63a5\u53e3\u80fd\u529b\u3002\u5176\u6700\u5c0f\u7cfb\u7edf\u5305\u62ec：<\/p>\n

      \n
    • \u7535\u6e90\u8f93\u5165（3.3V\u7a33\u538b）<\/li>\n
    • \u65f6\u949f\u7535\u8def（8MHz\u6676\u632f）<\/li>\n
    • \u4e0b\u8f7d\u63a5\u53e3（SWD\u6216\u4e32\u53e3）<\/li>\n
    • \u590d\u4f4d\u7535\u8def（\u4e0a\u62c9\u7535\u963b+\u6309\u94ae）<\/li>\n<\/ul>\n

      \u6b64\u90e8\u5206\u4e3a\u6574\u4e2a\u7cfb\u7edf\u7684\u6838\u5fc3，\u534f\u8c03\u5404\u4f20\u611f\u5668\u4e0eWiFi\u6a21\u5757\u7684\u901a\u8baf\u3001\u5904\u7406\u4e0e\u63a7\u5236\u3002<\/p>\n

      3.2 \u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u6a21\u5757（DHT11）<\/h3>\n

      DHT11\u662f\u4e00\u6b3e\u6570\u5b57\u5f0f\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668，\u4f7f\u7528\u5355\u603b\u7ebf\u534f\u8bae\u4e0eSTM32\u901a\u4fe1\u3002\u5176\u7279\u70b9\u4e3a：<\/p>\n

        \n
      • \u6d4b\u91cf\u8303\u56f4：\u6e29\u5ea6050\u00b0C，\u6e7f\u5ea62090%RH；<\/li>\n
      • \u6d4b\u91cf\u7cbe\u5ea6：\u00b12\u00b0C（\u6e29\u5ea6），\u00b15%RH（\u6e7f\u5ea6）；<\/li>\n
      • \u901a\u4fe1\u65b9\u5f0f：\u5355\u603b\u7ebf，\u9700\u5b9a\u65f6\u91c7\u6837\u4e0e\u6821\u9a8c\u3002<\/li>\n<\/ul>\n

        \u6a21\u5757\u5f15\u811a\u7b80\u5355，\u4ec5\u9700VCC\u3001GND\u548c\u6570\u636e\u7ebf，\u4e0eSTM32\u7684GPIO\u53e3\u76f8\u8fde\u5373\u53ef\u3002<\/p>\n

        3.3 \u5149\u7167\u4f20\u611f\u5668\u6a21\u5757（\u6a21\u62df\u578b\u5149\u654f\u7535\u963b）<\/h3>\n

        \u4f7f\u7528\u5149\u654f\u7535\u963b\u901a\u8fc7\u5206\u538b\u7535\u8def\u8f6c\u5316\u4e3a\u7535\u538b\u4fe1\u53f7，\u63a5\u5165STM32\u7684ADC\u901a\u9053\u5b9e\u73b0\u5149\u7167\u5f3a\u5ea6\u6d4b\u91cf\u3002\u8be5\u6a21\u5757\u7279\u70b9：<\/p>\n

          \n
        • \u6a21\u62df\u91cf\u8f93\u51fa；<\/li>\n
        • \u5bf9\u73af\u5883\u5149\u7ebf\u53d8\u5316\u7075\u654f；<\/li>\n
        • \u901a\u5e38\u4e0e10K\u03a9\u7535\u963b\u7ec4\u6210\u5206\u538b\u5668\u3002<\/li>\n<\/ul>\n

          STM32\u901a\u8fc7ADC\u8bfb\u53d6\u7535\u538b\u5373\u53ef\u5224\u65ad\u73af\u5883\u4eae\u5ea6\u7b49\u7ea7\u3002<\/p>\n

          3.4 \u70df\u96fe\u4f20\u611f\u5668\u6a21\u5757（MQ-2）<\/h3>\n

          MQ-2\u6c14\u4f53\u4f20\u611f\u5668\u7528\u4e8e\u68c0\u6d4b\u7a7a\u6c14\u4e2d\u7684\u70df\u96fe\u6d53\u5ea6，\u8f93\u51fa\u5305\u62ec：<\/p>\n

            \n
          • \u6a21\u62df\u4fe1\u53f7（\u70df\u96fe\u6d53\u5ea6\u5bf9\u5e94\u7535\u538b）；<\/li>\n
          • \u6570\u5b57\u4fe1\u53f7（\u8d85\u8fc7\u8bbe\u5b9a\u6d53\u5ea6\u65f6\u4e3a\u9ad8\u7535\u5e73）\u3002<\/li>\n<\/ul>\n

            \u5728\u672c\u7cfb\u7edf\u4e2d\u4f7f\u7528\u6a21\u62df\u8f93\u51fa\u63a5\u5165ADC\u901a\u9053，\u63d0\u9ad8\u68c0\u6d4b\u7cbe\u5ea6\u3002<\/p>\n

            3.5 ESP8266 WiFi\u6a21\u5757<\/h3>\n

            ESP8266\u6a21\u5757\u7528\u4e8e\u5c06\u91c7\u96c6\u5230\u7684\u6570\u636e\u4e0a\u4f20\u5230\u4e91\u5e73\u53f0\u3002\u6a21\u5757\u652f\u6301：<\/p>\n

              \n
            • 802.11 b\/g\/n \u534f\u8bae；<\/li>\n
            • AT\u547d\u4ee4\u63a7\u5236；<\/li>\n
            • \u4e0eSTM32\u901a\u8fc7\u4e32\u53e3\u901a\u4fe1；<\/li>\n
            • \u6a21\u5757\u9700\u914d\u7f6eSSID\u3001\u5bc6\u7801\u53caOneNet\u5e73\u53f0\u901a\u4fe1\u534f\u8bae\u3002<\/li>\n<\/ul>\n

              ESP8266\u662f\u8fde\u63a5\u672c\u5730\u8bbe\u5907\u4e0e\u4e91\u7aef\u7684\u91cd\u8981\u6865\u6881\u3002<\/p>\n

              3.6 \u7535\u6e90\u6a21\u5757<\/h3>\n

              \u7cfb\u7edf\u91c7\u75285V\u4f9b\u7535，\u7ecf\u8fc7AMS1117\u7a33\u538b\u82af\u7247\u964d\u538b\u81f33.3V\u4f9bSTM32\u4e0eESP8266\u4f7f\u7528\u3002\u4e3a\u4e86\u7cfb\u7edf\u7a33\u5b9a\u8fd0\u884c，\u9700\u6ce8\u610f：<\/p>\n

                \n
              • \u7535\u6e90\u6ee4\u6ce2\u7535\u5bb9；<\/li>\n
              • \u6a21\u5757\u4e4b\u95f4\u5730\u7ebf\u5171\u7528；<\/li>\n
              • ESP8266\u7535\u6d41\u9700\u6c42\u9ad8，\u9700\u63d0\u4f9b\u8db3\u591f\u7535\u6d41\u3002<\/li>\n<\/ul>\n

                4. \u7a0b\u5e8f\u8bbe\u8ba1<\/h2>\n

                \u7a0b\u5e8f\u8bbe\u8ba1\u662f\u672c\u7cfb\u7edf\u5b9e\u73b0\u529f\u80fd\u7684\u5173\u952e\u90e8\u5206，\u4e3b\u8981\u5305\u62ec\u5404\u6a21\u5757\u521d\u59cb\u5316\u3001\u6570\u636e\u91c7\u96c6\u3001\u6570\u636e\u4e0a\u4f20\u3001\u901a\u4fe1\u5904\u7406\u7b49\u5b50\u6a21\u5757\u3002<\/p>\n

                4.1 \u4e3b\u51fd\u6570\u8bbe\u8ba1<\/h3>\n

                \u4e3b\u51fd\u6570\u8d1f\u8d23\u7cfb\u7edf\u7684\u521d\u59cb\u5316\u4e0e\u4e3b\u5faa\u73af\u8c03\u5ea6\u3002<\/p>\n

                int<\/span> main<\/span>(<\/span>void<\/span>)<\/span>
                \n{<\/span>
                \n SystemInit<\/span>(<\/span>)<\/span>;<\/span>
                \n DHT11_Init<\/span>(<\/span>)<\/span>;<\/span>
                \n ADC_Config<\/span>(<\/span>)<\/span>;<\/span>
                \n USART1_Init<\/span>(<\/span>115200<\/span>)<\/span>;<\/span>
                \n ESP8266_Init<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

                while<\/span> (<\/span>1<\/span>)<\/span>
                \n {<\/span>
                \n Read_Env_Data<\/span>(<\/span>)<\/span>;<\/span>
                \n Upload_Data_To_OneNet<\/span>(<\/span>)<\/span>;<\/span>
                \n Delay_ms<\/span>(<\/span>5000<\/span>)<\/span>;<\/span>
                \n }<\/span>
                \n}<\/span><\/p>\n

                4.2 DHT11\u6e29\u6e7f\u5ea6\u91c7\u96c6\u7a0b\u5e8f<\/h3>\n

                void<\/span> DHT11_ReadData<\/span>(<\/span>uint8_t<\/span>*<\/span> temperature,<\/span> uint8_t<\/span>*<\/span> humidity)<\/span>
                \n{<\/span>
                \n \/\/ \u521d\u59cb\u5316\u4e0e\u53d1\u9001\u8d77\u59cb\u4fe1\u53f7<\/span>
                \n \/\/ \u63a5\u653640\u4f4d\u6570\u636e：8\u4f4d\u6e7f\u5ea6\u6574\u6570 + 8\u4f4d\u6e7f\u5ea6\u5c0f\u6570 + 8\u4f4d\u6e29\u5ea6\u6574\u6570 + 8\u4f4d\u6e29\u5ea6\u5c0f\u6570 + 8\u4f4d\u6821\u9a8c\u4f4d<\/span>
                \n \/\/ \u7b80\u5316\u540e\u4ec5\u63d0\u53d6\u6574\u6570\u90e8\u5206<\/span>
                \n}<\/span><\/p>\n

                \u6b64\u51fd\u6570\u5b9a\u65f6\u8c03\u7528，\u8bfb\u53d6DHT11\u7684\u6e29\u5ea6\u4e0e\u6e7f\u5ea6\u6570\u636e\u5e76\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u4f9b\u4e0a\u4f20\u4f7f\u7528\u3002<\/p>\n

                4.3 \u5149\u7167\u5f3a\u5ea6\u91c7\u96c6\u7a0b\u5e8f<\/h3>\n

                uint16_t<\/span> Read_Light_Intensity<\/span>(<\/span>void<\/span>)<\/span>
                \n{<\/span>
                \n uint16_t<\/span> adc_value =<\/span> ADC_Read<\/span>(<\/span>LIGHT_SENSOR_CHANNEL)<\/span>;<\/span>
                \n return<\/span> adc_value;<\/span>
                \n}<\/span><\/p>\n

                \u901a\u8fc7STM32\u7684ADC\u6a21\u5757\u8bfb\u53d6\u5149\u654f\u7535\u963b\u7684\u6a21\u62df\u7535\u538b\u503c，\u6362\u7b97\u4e3a\u5149\u7167\u5f3a\u5ea6\u3002<\/p>\n

                4.4 \u70df\u96fe\u6d53\u5ea6\u91c7\u96c6\u7a0b\u5e8f<\/h3>\n

                uint16_t<\/span> Read_Smoke_Level<\/span>(<\/span>void<\/span>)<\/span>
                \n{<\/span>
                \n uint16_t<\/span> adc_value =<\/span> ADC_Read<\/span>(<\/span>SMOKE_SENSOR_CHANNEL)<\/span>;<\/span>
                \n return<\/span> adc_value;<\/span>
                \n}<\/span><\/p>\n

                \u540c\u6837\u4f7f\u7528ADC\u6a21\u5757\u83b7\u53d6MQ-2\u4f20\u611f\u5668\u8f93\u51fa\u7535\u538b，\u7528\u4e8e\u5224\u65ad\u5f53\u524d\u7a7a\u6c14\u4e2d\u70df\u96fe\u6d53\u5ea6\u3002<\/p>\n

                4.5 ESP8266\u521d\u59cb\u5316\u7a0b\u5e8f<\/h3>\n

                void<\/span> ESP8266_Init<\/span>(<\/span>void<\/span>)<\/span>
                \n{<\/span>
                \n USART_SendString<\/span>(<\/span>"AT\\\\r\\\\n"<\/span>)<\/span>;<\/span>
                \n Delay_ms<\/span>(<\/span>1000<\/span>)<\/span>;<\/span>
                \n USART_SendString<\/span>(<\/span>"AT+CWMODE=1\\\\r\\\\n"<\/span>)<\/span>;<\/span>
                \n Delay_ms<\/span>(<\/span>1000<\/span>)<\/span>;<\/span>
                \n USART_SendString<\/span>(<\/span>"AT+CWJAP=\\\\"YourSSID\\\\",\\\\"YourPassword\\\\"\\\\r\\\\n"<\/span>)<\/span>;<\/span>
                \n Delay_ms<\/span>(<\/span>3000<\/span>)<\/span>;<\/span>
                \n}<\/span><\/p>\n

                \u8be5\u521d\u59cb\u5316\u6b65\u9aa4\u7528\u4e8e\u914d\u7f6eESP8266\u7684\u5de5\u4f5c\u6a21\u5f0f\u4e0eWiFi\u8fde\u63a5\u4fe1\u606f\u3002<\/p>\n

                4.6 \u4e0a\u4f20\u6570\u636e\u5230OneNet<\/h3>\n

                void<\/span> Upload_Data_To_OneNet<\/span>(<\/span>void<\/span>)<\/span>
                \n{<\/span>
                \n char<\/span> data_buffer[<\/span>128<\/span>]<\/span>;<\/span>
                \n sprintf<\/span>(<\/span>data_buffer,<\/span> "{\\\\"datastreams\\\\":[{\\\\"id\\\\":\\\\"temp\\\\",\\\\"datapoints\\\\":[{\\\\"value\\\\":%d}]},"<\/span>
                \n "{\\\\"id\\\\":\\\\"humi\\\\",\\\\"datapoints\\\\":[{\\\\"value\\\\":%d}]},"<\/span>
                \n "{\\\\"id\\\\":\\\\"light\\\\",\\\\"datapoints\\\\":[{\\\\"value\\\\":%d}]},"<\/span>
                \n "{\\\\"id\\\\":\\\\"smoke\\\\",\\\\"datapoints\\\\":[{\\\\"value\\\\":%d}]}]}"<\/span>,<\/span>
                \n temperature,<\/span> humidity,<\/span> light_intensity,<\/span> smoke_level)<\/span>;<\/span><\/p>\n

                ESP8266_SendTo_OneNet<\/span>(<\/span>data_buffer)<\/span>;<\/span>
                \n}<\/span><\/p>\n

                \u8be5\u51fd\u6570\u8d1f\u8d23\u683c\u5f0f\u5316\u5404\u9879\u73af\u5883\u6570\u636e\u5e76\u901a\u8fc7ESP8266\u4e0a\u4f20\u81f3OneNet\u5e73\u53f0，\u7b26\u5408OneNet\u7684MQTT\u6216HTTP\u6570\u636e\u7ed3\u6784\u8981\u6c42\u3002<\/p>\n

                4.7 \u4e32\u53e3\u901a\u4fe1\u51fd\u6570<\/h3>\n

                void<\/span> USART1_Init<\/span>(<\/span>uint32_t<\/span> baudrate)<\/span>
                \n{<\/span>
                \n \/\/ USART1\u521d\u59cb\u5316\u914d\u7f6e\u6ce2\u7279\u7387\u3001\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u3001\u6821\u9a8c\u7b49<\/span>
                \n}<\/span><\/p>\n

                STM32\u901a\u8fc7USART1\u4e0eESP8266\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\u3002<\/p>\n

                4.8 \u5ef6\u65f6\u51fd\u6570<\/h3>\n

                void<\/span> Delay_ms<\/span>(<\/span>uint32_t<\/span> ms)<\/span>
                \n{<\/span>
                \n \/\/ \u57fa\u4e8eSysTick\u6216\u5b9a\u65f6\u5668\u5b9e\u73b0\u7684\u6beb\u79d2\u7ea7\u5ef6\u8fdf<\/span>
                \n}<\/span><\/p>\n

                \u7528\u4e8e\u5b9a\u65f6\u63a7\u5236\u4f20\u611f\u5668\u91c7\u6837\u4e0e\u4e0a\u4f20\u5468\u671f，\u907f\u514d\u6570\u636e\u91cd\u590d\u6216\u963b\u585e\u3002<\/p>\n

                5. \u603b\u7ed3<\/h2>\n

                \u672c\u9879\u76ee\u5b8c\u6574\u5b9e\u73b0\u4e86\u4e00\u4e2a\u57fa\u4e8eSTM32\u5355\u7247\u673a\u7684\u667a\u80fd\u73af\u5883\u76d1\u6d4b\u7cfb\u7edf，\u7cfb\u7edf\u7a33\u5b9a\u3001\u529f\u80fd\u4e30\u5bcc，\u5177\u6709\u5982\u4e0b\u4f18\u52bf：<\/p>\n

                  \n
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                • \u4e91\u7aef\u7ba1\u7406：\u4f9d\u6258OneNet\u4e91\u5e73\u53f0\u5b9e\u73b0\u8fdc\u7a0b\u6570\u636e\u67e5\u770b；<\/li>\n
                • \u53ef\u89c6\u5316\u5c55\u793a：\u914d\u5408\u7f51\u9875\u6216APP\u754c\u9762\u4fbf\u4e8e\u7528\u6237\u64cd\u4f5c；<\/li>\n
                • \u6a21\u5757\u5316\u8bbe\u8ba1：\u7cfb\u7edf\u7ed3\u6784\u6e05\u6670，\u4fbf\u4e8e\u6269\u5c55\u4e0e\u7ef4\u62a4；<\/li>\n
                • \u5b9e\u7528\u6027\u5f3a：\u9002\u7528\u4e8e\u5bb6\u5ead\u73af\u5883\u76d1\u6d4b\u3001\u667a\u6167\u519c\u4e1a\u3001\u73af\u5883\u79d1\u7814\u7b49\u591a\u79cd\u573a\u666f\u3002<\/li>\n<\/ul>\n

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