Display functions

The display functions allows the program to interact with the LCD display found on some of the RTCU devices.

The NX-400 can also use the GUI functions as an alternate, more advanced interface.

	•displayBacklight	Controls the backlight of the display.
	•displayBacklightWake	Restore the backlight after it has turned off due to inactivity.
	•displayBox	Draw a box in the display
	•displayCircle	Draw a circle in the display
	•displayClear	Clears the display
	•displayDefineChar	Define a character.
	•displayGetKey	Waits for a key press from the display.
	•displayImage	Draw an image in display
	•displayLine	Draw a line in the display
	•displayNumber	Writes a number at the current position
	•displayPoint	Draw point in the display
	•displayPower	Control display power
	•displayStop	Stop the Display API and restore the IO status screen.
	•displayString	Writes text at the current position
	•displayXY	Set the current text position
	•displayKeySetWakeup	Configures the system to wake from pmSuspend on key press.
	•displaySysMenuEnable	Enable or disable the system menu.
	•displaySysMenuSetPassword	Control password access to the system menu.