Unitech PA500 Programming Manual
Also see for PA500: User manualSpecificationsOperation manualQuick reference guideUser guide
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-6.2.5. Check Trigger key is pressingFunction Description:This function is used to check if left or right trigger key is pressed or not.Function call:BOOL TriggerKeyStatus( int key);Parameter(Input)key: int: LEFT_TRIGGER_KEY : left trigger keyRIGHT_TRIGGER_KEY : right trigger key.Return code:TRUE = trigger is pressed.FALSE = trigger is released.Example:#define kKeybdTriggerEventName TEXT("KeybdTriggerChangeEvent")#define kKeybdAlphaKeyEventName TEXT("KBDAlphaKeyChangeEvent")#define LEFT_TRIGGER_KEY 1#define RIGHT_TRIGGER_KEY 2gKeyEvents[0] = CreateEvent(NULL, TRUE, FALSE, kKeybdTriggerEventName);gKeyEvents[1] = CreateEvent(NULL, TRUE, FALSE, kKeybdAlphaKeyEventName);while (1){WaitForMultipleObjects(2, gKeyEvents, FALSE, INFINITE);TriggerKeyStatus(LEFT_TRIGGER_KEY);TriggerKeyStatus(RIGHT_TRIGGER_KEY);}6.3. LED related functionFunction Description:There are two LEDs above the screen of PA500, red and green LEDs. Onlythe green LED can be controlled by programmer.Function call:void GoodReadLEDOn(BOOL fON)Parameter(Input)fON: BOOL: TRUE = turn on LED.FALSE = turn off green LED. |
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