tls_os_timer_create (&mqtt. mqtt_demo_heartbeat_timer,
mqtt_demo_heart_timer,
NULL, 50, TRUE, (u8 *) "mqtt loop") ;
下面是源代码
tls_os_timer_start (mqtt. mqtt_demo_heartbeat_timer) ;
sprintf (str, "{\"current_temperature\": %. 2f, \"current_humidity\": %. 2f}", Temperature, Humidity) ;
app_mqtt_publish ("data_report", str) ;
tls_os_time_delay (3000) ;
app_mqtt_disconnect (&mqtt) ; //断开连接
tls_os_timer_stop (mqtt. mqtt_demo_heartbeat_timer) ;
wm_printf ("close mqtt_demo_loop\n") ;