main() { ... ... while(1) { if(MTOUCH_Service_Mainloop()) { if(MTOUCH_Gesture_isGestureDetected()) { uint8_t gesture_which_gesture = MTOUCH_Gesture_GestureID_Get(); /* This value is only applicable to wheel gesture and pinch/zoom*/ uint8_t gesture_info = MTOUCH_Gesture_GestureValue_Get(); /* process the gesture */ } } } }