Z-World RabbitCore RCM3200 User Manual - page 50

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RabbitCore RCM3200

C.5.2  LCD Display

The functions used to control the LCD display are contained in the 

GRAPHIC.LIB

 library 

located in the Dynamic C 

DISPLAYS\GRAPHIC

 library directory.

Initializes the display devices, clears the screen.

RETURN VALUE

None.

SEE ALSO

glDispOnOFF, glBacklight, glSetContrast, glPlotDot, glBlock, glPlotDot, 

glPlotPolygon, glPlotCircle, glHScroll, glVScroll, glXFontInit, glPrintf, 

glPutChar, glSetBrushType, glBuffLock, glBuffUnlock, glPlotLine

Sets the intensity of the backlight, if circuitry is installed.

PARAMETER

:    

onOff

 reflects the low to high values (typically 0 to 255, depending on the board design) to set the back-

light intensity (0 will turn the backlight off completely.)

RETURN VALUE

None.

SEE ALSO

glInit, glDispOnoff, glSetContrast

Sets the LCD screen on or off. Data will not be cleared from the screen.

PARAMETER

onOff

 turns the LCD screen on or off

1—turn the LCD screen on

0—turn the LCD screen off

RETURN VALUE

None.

SEE ALSO

glInit, glSetContrast, glBackLight

void glInit(void);

void glBackLight(int onOff);

void glDispOnOff(int onOff);