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D2: Remove the hardcoded driver-level touchscreen calibration, since it's done at apps level as well now.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23299 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rob Purchase 2009-10-20 20:57:26 +00:00
parent 9ce9cfc0a9
commit d94c3c47f9
1 changed files with 3 additions and 33 deletions
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36
firmware/target/arm/tcc780x/cowond2/touchscreen-cowond2.c
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@ -39,30 +39,13 @@ static int short_cmp(const void *a, const void *b)
return *(short*)a - *(short*)b; return *(short*)a - *(short*)b;
} }
struct touch_calibration_point {
short px_x; /* known pixel value */
short px_y;
short val_x; /* touchscreen value at the known pixel */
short val_y;
};
static struct touch_calibration_point topleft, bottomright;
static int touch_to_pixels(short val_x, short val_y) static int touch_to_pixels(short val_x, short val_y)
{ {
short x, y; int x = (val_x * LCD_WIDTH) >> 10;
int y = (val_y * LCD_HEIGHT) >> 10;
x = val_x;
y = val_y;
x = (x - topleft.val_x) * (bottomright.px_x - topleft.px_x)
/ (bottomright.val_x - topleft.val_x) + topleft.px_x;
y = (y - topleft.val_y) * (bottomright.px_y - topleft.px_y)
/ (bottomright.val_y - topleft.val_y) + topleft.px_y;
if (x < 0) if (x < 0)
x = 0; x = 0;
else if (x >= LCD_WIDTH) else if (x >= LCD_WIDTH)
x = LCD_WIDTH - 1; x = LCD_WIDTH - 1;
@ -162,19 +145,6 @@ void touchscreen_init_device(void)
{ {
touch_available = false; touch_available = false;
/* Arbitrary touchscreen calibration */
topleft.px_x = 0;
topleft.px_y = 0;
bottomright.px_x = LCD_WIDTH;
bottomright.px_y = LCD_HEIGHT;
topleft.val_x = 50;
topleft.val_y = 50;
bottomright.val_x = 980;
bottomright.val_y = 980;
if (get_pmu_type() != PCF50606) if (get_pmu_type() != PCF50606)
{ {
tsc200x_init(); tsc200x_init();