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Add generic touchscreen driver which allows calibration (apps/ layer will follow later).

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20055 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-02-19 22:15:02 +00:00
parent 1cb3ff0ab0
commit 44eba07516
5 changed files with 230 additions and 92 deletions
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37
firmware/target/arm/tcc780x/cowond2/button-cowond2.c
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@ -25,31 +25,13 @@
#include "adc.h"
#include "pcf50606.h"
#include "backlight.h"
#include "touchscreen.h"
#define TOUCH_MARGIN 8
static enum touchscreen_mode current_mode = TOUCHSCREEN_POINT;
static short last_x, last_y;
static bool touch_available = false;
static int touchscreen_buttons[3][3] =
{
{BUTTON_TOPLEFT, BUTTON_TOPMIDDLE, BUTTON_TOPRIGHT},
{BUTTON_MIDLEFT, BUTTON_CENTER, BUTTON_MIDRIGHT},
{BUTTON_BOTTOMLEFT, BUTTON_BOTTOMMIDDLE, BUTTON_BOTTOMRIGHT},
};
void touchscreen_set_mode(enum touchscreen_mode mode)
{
current_mode = mode;
}
enum touchscreen_mode touchscreen_get_mode(void)
{
return current_mode;
}
void button_set_touch_available(void)
{
touch_available = true;
@ -186,20 +168,9 @@ int button_read_device(int *data)
last_x = x;
last_y = y;
*data = touch_to_pixels(x, y);
switch (current_mode)
{
case TOUCHSCREEN_POINT:
btn |= BUTTON_TOUCHSCREEN;
break;
case TOUCHSCREEN_BUTTON:
{
int px_x = (*data&0xffff0000)>>16;
int px_y = (*data&0x0000ffff);
btn |= touchscreen_buttons[px_y/(LCD_HEIGHT/3)]
[px_x/(LCD_WIDTH/3)];
break;
}
}
btn |= touchscreen_to_pixels((*data&0xffff0000)>>16,
(*data&0x0000ffff),
data);
}
last_touch = current_tick;
touch_available = false;