问Mxchip物联网开发套件从物联网集线器接收数据

EN

DevKitMQTTClient_SetMessageCallback(MessageCallback);
DevKitMQTTClient_SetDeviceMethodCallback(DeviceMethodCallback);

static void MessageCallback(const char *payLoad, int size)
{
   Screen.print(1, payLoad, true);
}

static int DeviceMethodCallback(const char *methodName, const unsigned char *payload, 
   int size, unsigned char **response, int *response_size)
{
   LogInfo("Try to invoke method %s", methodName);
   // Do your logic...
   int result = 200;
   return result;
}