uGFX
/
ugfx
2
0
Fork 0
Code Issues 2 Pull Requests Projects Releases Wiki Activity

Adding a define for electrically inverted touchpads.

ugfx_release_2.6
mobyfab 2012-10-07 22:12:09 +02:00
parent 52e9fb7d59
commit 424dde2d8c
1 changed files with 21 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
src/touchpad.c
View File

@ -149,10 +149,13 @@ void tpInit(const TOUCHPADDriver *tp) {
*/
uint16_t tpReadX(void) {
uint16_t x, y;
#if defined(TOUCHPAD_XY_INVERTED) && (TOUCHPAD_XY_INVERTED == TRUE)
x = cal.xm * _tpReadRealY() + cal.xn;
y = cal.ym * _tpReadRealX() + cal.yn;
#else
x = cal.xm * _tpReadRealX() + cal.xn;
y = cal.ym * _tpReadRealY() + cal.yn;
#endif
switch(gdispGetOrientation()) {
case GDISP_ROTATE_0:
return x;
@ -176,10 +179,13 @@ uint16_t tpReadX(void) {
*/
uint16_t tpReadY(void) {
uint16_t x, y;
#if defined(TOUCHPAD_XY_INVERTED) && (TOUCHPAD_XY_INVERTED == TRUE)
x = cal.xm * _tpReadRealY() + cal.xn;
y = cal.ym * _tpReadRealX() + cal.yn;
#else
x = cal.xm * _tpReadRealX() + cal.xn;
y = cal.ym * _tpReadRealY() + cal.yn;
#endif
switch(gdispGetOrientation()) {
case GDISP_ROTATE_0:
return y;
@ -204,21 +210,21 @@ void tpCalibrate(void) {
gdispClear(Red);
gdispFillStringBox(0, 10, gdispGetWidth(), 30, "Calibration", &fontUI2Double, White, Red, justifyCenter);
for(i = 0; i < 2; i++) {
_tpDrawCross(cross[i][0], cross[i][1]);
while(!tpIRQ());
points[i][0] = _tpReadRealX();
points[i][1] = _tpReadRealY();
for(i = 0; i < 2; i++) {
_tpDrawCross(cross[i][0], cross[i][1]);
while(!tpIRQ());
points[i][0] = _tpReadRealX();
points[i][1] = _tpReadRealY();
chThdSleepMilliseconds(100);
while(tpIRQ());
gdispFillArea(cross[i][0]-15, cross[i][1]-15, 42, 42, Red);
while(tpIRQ());
gdispFillArea(cross[i][0]-15, cross[i][1]-15, 42, 42, Red);
}
cal.xm = ((float)cross[1][0] - (float)cross[0][0]) / ((float)points[1][0] - (float)points[0][0]);
cal.ym = ((float)cross[1][1] - (float)cross[0][1]) / ((float)points[1][1] - (float)points[0][1]);
cal.xm = ((float)cross[1][0] - (float)cross[0][0]) / ((float)points[1][0] - (float)points[0][0]);
cal.ym = ((float)cross[1][1] - (float)cross[0][1]) / ((float)points[1][1] - (float)points[0][1]);
cal.xn = (float)cross[0][0] - cal.xm * (float)points[0][0];
cal.yn = (float)cross[0][1] - cal.ym * (float)points[0][1];
cal.xn = (float)cross[0][0] - cal.xm * (float)points[0][0];
cal.yn = (float)cross[0][1] - cal.ym * (float)points[0][1];
#if TOUCHPAD_STORE_CALIBRATION
lld_tpWriteCalibration(cal);