I am trying to call the function "callback" into a Class, but it not work.
PubSubClientTools *clientMQTT;
......
clientMQTT->subscribe(TOPICO_SUBSCRIBE_CM_LAMP, MQTTClass::subscriber);//the problem is here
//clientMQTT->subscribe(TOPICO_SUBSCRIBE_CM_LAMP, std::bind(&MQTTClass::subscriber, this);//not work too
..........
void MQTTClass::subscriber(String topic, String message) {
MQTT_Call_buttonPress(bool(message), MQTT_S);
}
Does anyone know how I do it?