设置MQTT 服务器,并编写回调函数,同时将连接信息打印到串口监视器上 client.setServer(mqtt_broker, mqtt_port); client.setCallback(callback);while(!client.connected()) { Serial.println("Connecting to public emqx mqtt broker...");if(client.connect("esp8266-client")) { Serial.println("Public emqx...
Serial.print("espClient ["); client.setServer(MQTT_SERVER, MQTT_PORT); /* 连接WiFi之后,连接MQTT服务器 */ client.setCallback(callback); } //连接MQTT void mqttCheckConnect() { while (!client.connected()) { Serial.println("Connecting to MQTT Server ...");//MQTT正在连接 if (client.co...
我们将设置 MQTT Broker,同时将连接信息打印到串口监视器上 //connecting to a mqtt brokerclient.setServer(mqtt_broker, mqtt_port); client.setCallback(callback);while(!client.connected()) { String client_id ="esp8266-client-"; client_id += String(WiFi.macAddress()); Serial.println("Connecting...
TJpgDec.setJpgScale(1); TJpgDec.setSwapBytes(true); TJpgDec.setCallback(tft_output); targetTime = millis() + 1000; Serial.print("正在连接WIFI "); Serial.println(ssid); WiFi.begin(WiFi.SSID().c_str(),WiFi.psk().c_str()); TJpgDec.setJpgScale(1); TJpgDec.setSwapBytes(true); TJpgDe...
H",len(s)))self.sock.write(s)def_recv_len(self):n=0sh=0while1:b=self.sock.read(1)[0]n|=(b&0x7f)<<shifnotb&0x80:returnnsh+=7defset_callback(self,f):self.cb=fdefset_last_will(self,topic,msg,retain=False,qos=0):assert0<=qos<=2asserttopicself.lw_topic=topicself.lw_msg...
digitalWrite(LED, LOW);// Turn off the LED initially// Connecting to an MQTT brokerclient.setServer(mqtt_broker, mqtt_port); client.setCallback(callback);while(!client.connected()) { String client_id ="esp8266-client-"; client_id += String(WiFi.macAddress()); ...
DMA_REC_SIE-temp;// 总个数 - 未传输的数据个数 = 已经接收数据的个数HAL_UART_RxCpltCallback...
espconn_sent_callback sent_callback; uint8 link_cnt; void *reverse; }; 可以看到,无论是TCP通讯还是UDP通讯,都要用到这个结构体,同时,要在结构体内设置相应的发送、接收回调函数。 接下来就是一个UDP参数的设置过程: wifi_set_broadcast_if(STATIONAP_MODE); ...
wifi_softap_set_config(&config); //使修改后的参数生效 然后连到我家wifi,你们要改成你们家里或者办公室里的wifi。 3 确定TCP连接的参数 这里要确定几点:你是谁?你要和谁连接?连接的端口是多少? 你是谁——ESP8266,8266连接家里路由成功之后,会自动获得一个IP,这是客户端IP ...
client.setCallback(callback); while (!client.connected()) { if (client.connect("ESP8266Client")) { // 订阅MQTT主题 client.subscribe("your_topic"); } else { delay(500); } } } void loop() { // 保持与MQTT服务器的连接 if (!client.connected()) { ...