利用ESP8266连接腾讯云,代码如下
// 测试代码
delay_ms(1000);
delay_ms(1000);
delay_ms(1000);
delay_ms(1000);
sprintf((char*)gString,"AT+CWJAP=\"%s\",\"%s\"\r\n",WIFINAME,WIFIPASSWORD);
USART_Send(UART1,gString);
delay_ms(1000);
delay_ms(1000);
sprintf((char*)gString,"AT+TCMQTTCONN=1,5000,240,0,1\r\n");
USART_Send(UART1,gString);
delay_ms(1000);
delay_ms(1000);
sprintf((char*)gString,"AT+TCMQTTSUB=\"$thing/down/property/%s/%s\",0\r\n",PRODUCTID,DEVICENAME);
USART_Send(UART1,gString);
delay_ms(1000);
delay_ms(1000);
串口接收到的回复如下图
云平台端的现象如下图