{"id":31833,"date":"2025-04-22T09:36:18","date_gmt":"2025-04-22T01:36:18","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/31833.html"},"modified":"2025-04-22T09:36:18","modified_gmt":"2025-04-22T01:36:18","slug":"%e3%80%90stm32%e3%80%91esp8266%e9%80%9a%e8%bf%87mqtt%e8%bf%9e%e6%8e%a5%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%ae%a2%e9%98%85%e5%8f%91%e5%b8%83","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/31833.html","title":{"rendered":"\u3010STM32\u3011esp8266\u901a\u8fc7MQTT\u8fde\u63a5\u670d\u52a1\u5668|\u8ba2\u9605\u53d1\u5e03"},"content":{"rendered":"

1. MQTT\u534f\u8bae<\/h2>\n

\u8be5\u534f\u8bae\u4e3a\u5e94\u7528\u5c42\u534f\u8bae，\u4f20\u8f93\u5c42\u4f7f\u7528\u7684\u662ftcp,MQTT\u7684\u8ba2\u9605\u548c\u53d1\u5e03，\u5c31\u76f8\u5f53\u4e8e\u5728\u6296\u97f3\u4e2d\u4f60\u5173\u6ce8\u4e86\u67d0\u4e2a\u9886\u57df\u7684\u535a\u4e3b（\u8ba2\u9605），\u5982\u679c\u6709\u5176\u4ed6\u4eba\u53d1\u4e86\u4f5c\u54c1\u5c31\u4f1a\u63a8\u7ed9\u4f60（\u53d1\u5e03），\u9ed8\u8ba4\u5df2\u7ecf\u5b89\u88c5\u597d\u4e86<\/p>\n

\u7b80\u5355\u6f14\u793a \u8ba2\u9605<\/p>\n

mosquitto_sub –<\/span>h "47.121.24.16"<\/span> –<\/span>p 1883<\/span> –<\/span>t "A"<\/span> <\/p>\n

mosquitto_sub \u8ba2\u9605\u6307\u4ee4 -h \u4e3b\u673aip -p \u7aef\u53e3\u53f71883 -t \u4e3b\u9898<\/p>\n

\u53d1\u5e03<\/p>\n

mosquitto_pub –<\/span>h "47.121.24.16"<\/span> –<\/span>p 1883<\/span> –<\/span>t "A"<\/span> –<\/span>m "nihaoma"<\/span><\/p>\n

mosquitto_pub \u53d1\u5e03\u6307\u4ee4 -h \u4e3b\u673aip -p \u7aef\u53e3\u53f71883 -t \u4e3b\u9898 -m \u5185\u5bb9<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u8ba2\u9605\u4e3b\u9898\u201cA\u201d\u7684\u5c31\u53ef\u4ee5\u6536\u5230<\/p>\n

2.esp8266\u901a\u8fc7MQTT\u8fde\u63a5\u670d\u52a1\u5668<\/h2>\n

1.\u9700\u8981\u5728\u5355\u7247\u673a\u91cc\u9762\u5efa\u7acb\u914d\u7f6e\u7528\u6237\u4fe1\u606f<\/p>\n

void<\/span> esp8266_connect_MQTT<\/span>(<\/span>const<\/span> char<\/span>*<\/span>ip,<\/span>int<\/span> port,<\/span>const<\/span> char<\/span>*<\/span> user,<\/span>const<\/span> char<\/span>*<\/span> password)<\/span><\/p>\n

\/\/\u9700\u8981\u4e91\u670d\u52a1\u5668ip\u5730\u5740\u548c\u7aef\u53e3\u53f7，\u4ee5\u53caMQTT\u670d\u52a1\u5668\u7684\u7528\u6237\u540d\u4ee5\u53ca\u5bc6\u7801，\u5982\u679c\u662f\u533f\u540d\u7528\u6237\u7684\u8bdd，\u7528\u6237\u540d\u548c\u5bc6\u7801\u968f\u4fbf\u7ed9 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u6839\u636e\u624b\u518c\u6784\u5efa\u6307\u4ee4\u914d\u7f6e\u4fe1\u606f\u4fdd\u5b58\u5728\u5355\u7247\u673arom \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

2.eps8266\u8fde\u63a5MQTT \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u8fde\u63a5\u6210\u529f\u5728\u670d\u52a1\u5668\u8fd9\u8fb9\u9a8c\u8bc1<\/p>\n

isof –<\/span>i |<\/span>grep mosquitto \/\/\u67e5\u770b\u94fe\u63a5\u60c5\u51b5<\/span><\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

3.\u53d1\u5e03<\/h2>\n

\u5355\u7247\u673a\u53d1\u5e03，MQTT\u670d\u52a1\u5668\u8fd9\u8fb9\u8ba2\u9605\u5c31\u53ef\u4ee5\u6536\u5230 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

void<\/span> esp8266_Publish<\/span>(<\/span>const<\/span> char<\/span>*<\/span> topic,<\/span>const<\/span> char<\/span>*<\/span>content)<\/span>;<\/span>\/\/\u53d1\u5e03\u7684\u4e3b\u9898\u4ee5\u53ca\u5185\u5bb9<\/span><\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

4.\u8ba2\u9605<\/h2>\n

\u5728MQTT\u670d\u52a1\u5668\u8fd9\u8fb9\u53d1\u5e03，esp8266\u8fd9\u8fb9\u8ba2\u9605，\u7136\u540e\u901a\u8fc7\u4e32\u53e32\u8fd4\u56de\u7ed9\u5355\u7247\u673a，\u5355\u7247\u673a\u5c06\u5176\u7ed9\u4e32\u53e31，\u7136\u540e\u5728\u4e32\u53e3\u52a9\u624b\u4e0a\u663e\u793a\u51fa\u6765<\/p>\n

void<\/span> esp8266_subscribe<\/span>(<\/span>const<\/span> char<\/span>*<\/span> topic)<\/span>\/\/\u8ba2\u9605\u4e3b\u9898<\/span><\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u53d1\u73b0\u53d1\u9001\u7684helloworld\u6536\u5230\u6210\u4e86helloword\u4e86，\u6240\u4ee5\u6211\u4eec\u9700\u8981<\/p>\n

uint8_t<\/span> data,<\/span>flag=<\/span>0<\/span>;<\/span>
\n uint32_t<\/span> old_tick=<\/span>0<\/span>;<\/span>
\n while<\/span> (<\/span>1<\/span>)<\/span>
\n {<\/span>
\n \/* USER CODE END WHILE *\/<\/span><\/p>\n

\/* USER CODE BEGIN 3 *\/<\/span><\/p>\n

if<\/span>(<\/span>HAL_GetTick<\/span>(<\/span>)<\/span>–<\/span>old_tick><\/span>50<\/span>&&<\/span>flag)<\/span> \/\/\u5047\u5982\u8bf4\u6536\u5230\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\u540e\u7b4950ms\u540e，\u8bf4\u660e\u63a5\u6536\u5b8c\u4e86<\/span>
\n{<\/span><\/p>\n

clearbuffer<\/span>(<\/span>)<\/span>;<\/span> \/\/\u6253\u5370\u5230\u4e32\u53e31，\u6e05\u9664\u7f13\u51b2\u533a<\/span>
\n flag=<\/span>0<\/span>;<\/span> \/\/\u9632\u6b62\u9891\u7e41\u51b2\u5237\u7f13\u51b2\u533a<\/span><\/p>\n

}<\/span>
\n if<\/span>(<\/span>HAL_UART_Receive<\/span>(<\/span>&<\/span>huart2,<\/span>(<\/span>uint8_t<\/span>*<\/span>)<\/span>&<\/span>data,<\/span>1<\/span>,<\/span>10<\/span>)<\/span>==<\/span>HAL_TIMEOUT)<\/span> \/\/\u4e00\u4e2a\u5b57\u7b26\u548c\u53e6\u4e00\u4e2a\u5b57\u7b26\u5f88\u5feb\u5c31\u80fd\u63a5\u6536，\u5982\u679c\u8d85\u8fc710ms，\u5c31\u76f4\u63a5continue<\/span>
\n{<\/span>
\n continue<\/span>;<\/span><\/p>\n

}<\/span>
\nelse<\/span>
\n{<\/span>
\n buffer[<\/span>num++<\/span>]<\/span>=<\/span>data;<\/span> \/\/\u653e\u5230\u7f13\u51b2\u533a\u91cc\u9762<\/span>
\n old_tick=<\/span>HAL_GetTick<\/span>(<\/span>)<\/span>;<\/span>\/\/\u83b7\u53d6\u5f53\u524d\u5b57\u7b26\u65f6\u95f4，\u7528\u4e8e\u548c\u4e0b\u4e00\u4e2a\u5b57\u7b26\u4f5c\u5bf9\u6bd4<\/span>
\nflag=<\/span>1<\/span>;<\/span><\/p>\n

}<\/span><\/p>\n

}<\/span><\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb993\u6b21\uff0c\u70b9\u8d5e7\u6b21\uff0c\u6536\u85cf8\u6b21\u3002\u8be5\u534f\u8bae\u4e3a\u5e94\u7528\u5c42\u534f\u8bae\uff0c\u4f20\u8f93\u5c42\u4f7f\u7528\u7684\u662ftcp,MQTT\u7684\u8ba2\u9605\u548c\u53d1\u5e03\uff0c\u5c31\u76f8\u5f53\u4e8e\u5728\u6296\u97f3\u4e2d\u4f60\u5173\u6ce8\u4e86\u67d0\u4e2a\u9886\u57df\u7684\u535a\u4e3b\uff08\u8ba2\u9605\uff09\uff0c\u5982\u679c\u6709\u5176\u4ed6\u4eba\u53d1\u4e86\u4f5c\u54c1\u5c31\u4f1a\u63a8\u7ed9\u4f60\uff08\u53d1\u5e03\uff09\uff0c\u9ed8\u8ba4\u5df2\u7ecf\u5b89\u88c5\u597d\u4e86\u7b80\u5355\u6f14\u793a\u8ba2\u9605mosquitto_sub \u8ba2\u9605\u6307\u4ee4-h \u4e3b\u673aip-p \u7aef\u53e3\u53f71883-t \u4e3b\u9898\u53d1\u5e03mosquitto_pub \u53d1\u5e03\u6307\u4ee4\u3002_esp8266 \u8ba2\u9605mqtt<\/p>\n","protected":false},"author":2,"featured_media":31814,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[217,43],"topic":[],"class_list":["post-31833","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-stm32","tag-43"],"yoast_head":"\n\u3010STM32\u3011esp8266\u901a\u8fc7MQTT\u8fde\u63a5\u670d\u52a1\u5668|\u8ba2\u9605\u53d1\u5e03 - 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