User`s manual

PK2200 Software Reference s 57
 int glInit()
Initializes the LCD module (software and hardware).
RETURN VALUE: returns the status of the LCD. If the initialization
was successful, this function returns 0. Otherwise, the returned value
indicates the LCD status.
 int glBlankScreen()
Blanks the screen of the LCD.
RETURN VALUE: The returned value indicates the status of the LCD
after the operation.
 int glPlotDot(int x, int y)
Plots one pixel on the screen at coordinate (x,y).
PARAMETER1: the x coordinate of the pixel to be drawn.
PARAMETER2: the y coordinate of the pixel to be drawn.
RETURN VALUE: Status of the LCD after the operation.
 void glPlotLine(int x1, int y1, int x2, int y2)
Plots a line on the LCD.
PARAMETER1: x coordinate of first endpoint.
PARAMETER2: y coordinate of first endpoint.
PARAMETER3: x coordinate of second endpoint.
PARAMETER4: y coordinate of second endpoint.
RETURN VALUE: None.
 void glPutBitmap(int x, int y, int bmWidth,
int bmHeight, char *bm)
Displays a bitmap stored in root memory on the LCD. For bitmaps
defined in xmem memory, use glXPutBitmap.
PARAMETER1: x coordinate of the bitmap (left edge).
PARAMETER2: y coordinate of the bitmap (top edge).
PARAMETER3: width of the bitmap.
PARAMETER4: height of the bitmap.
PARAMETER5: pointer to the bitmap.
RETURN VALUE: None.