Unitech PA500 manual LED related function, Example

6.2.5. Check Trigger key is pressing

Function 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 key
RIGHT_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 2

gKeyEvents[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 function

Function Description:

There are two LEDs above the screen of PA500, red and green LEDs. Only the 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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