Bolymin BEGV643A Series, User Manual

Page: 79 / 86

BEGV643A User Manual Ver.0
2
- 79 -
4-3-3-5 Touch function
Header file : touch.h, a2d.h
object file : touch.o, a2d.o
touchInit Function: Initial Touch panel.
Syntax void touchInit(
);
Parameters
None.
Return value None.
touchGet Function: to read touch data from touch panel
Syntax uint8_t touchGet(
int * pX,
int * pY
);
Parameters pX to read X Coordinate from touch data
pY to read Y Coordinate from touch data
Return value TRUE data of pX and pY is true
FALSE data of pX and pY is false
touchDrawCalPoint Function: to draw Calibration cross Coordinate on LCD
Syntax uint8_t touchDrawCalPoint (
POINT* ptCal,
int
n
);
Parameters ptCal Calibration Coordinate.
n Calibration Coordinate No.
Return value None.
setCalibrationMatrix Function: to set Calibration calculation matrix
Syntax void setCalibrationMatrix(
POINT * ptDisplay,
POINT * ptTouch,
int
n
);
Parameters ptDisplay LCD reference Coordinate for calibration.
ptTouch Touch Coordinate for calibration
n Coordinate No. for calibration
Return value None.
getDisplayPoint Function: to change Touch Coordinate into LCD
Syntax void getDisplayPoint(
int x,
int y,
int * pX,
int * pY
);
Parameters x Touch X Coordinate.
y Touch Y Coordinate.
pX LCD X Coordinate changed from Touch X Coordinate
pY LCD Y Coordinate changed from Touch Y Coordinate
Return value None.