使用示例
## 使用示例
```language
//wait_dev_reg_net
wait_dev_reg_net();
//wait_dev_active_net
wait_dev_active_net();
//close mqtt
wait_at_mqttdisconn();
//connect
wait_at_mqttconn(“183.230.40.39”,6002,"534808251",120,0,"259084","subscribe");
//sub
wait_at_sub(“aaa”,1,0);
//publish
at_mqtt_publish(“aaa”,"test",0, 0,0);
//close mqtt
wait_at_mqttdisconn();
```