User`s manual

PK220060 s Software Reference
 void glPrintf(int x, int y, struct
_
fontInfo
*pInfo, char *fmt,...)
Prints a formatted string (much like printf) on the LCD screen.
PARAMETER1: x coordinate of the text (left edge).
PARAMETER2: y coordinate of the text (top edge).
PARAMETER3: pointer to the font descriptor used for printing on the
LCD screen.
PARAMETER4: pointer to the format string
RETURN VALUE: None.
 void glPlotCircle(int xc, int yc, int rad)
Draws a circle on the LCD.
PARAMETER1: x coordinate of the center.
PARAMETER2: y coordinate of the center.
PARAMETER3: radius of the circle.
RETURN VALUE: None.
 int wtDisplaySw(int onOff)
Switches the display on and off.
PARAMETER1: If this parameter is 1, the display is turned on. If this
parameter is 0, the display is turned off.
RETURN VALUE: Status of the LCD after the operation.
 void kdiELSw(int value)
Switchs the EL backlight of the LCD.
PARAMETER1: 1 to turn the backlight on, 0 to turn the backlight off.
RETURN VALUE: None.
 void kdiSetContrast(unsigned content)
Sets the contrast control to content.
PARAMETER1: Specifies the contrast (the higher the value, the higher
the contrast).
RETURN VALUE: None