slightly better touchpad driver. Still not brilliant, but the bootloader/debugger can follow a stylus with a cursor, so we can start work on getting apps/ working

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15187 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jonathan Gordon 2007-10-18 12:15:56 +00:00
parent b431fe349f
commit d8667df357
3 changed files with 42 additions and 17 deletions

View file

@ -112,7 +112,7 @@ void mrdebug(void)
printf("%d:%d:%d %d %d %d", t->tm_hour, t->tm_min, t->tm_sec, t->tm_mday, t->tm_mon, t->tm_year);
printf("time: %d", mktime(t));
#endif
button = button_status();
button = button_get(false);
if (button == BUTTON_POWER)
{
printf("reset");
@ -138,14 +138,16 @@ void mrdebug(void)
// tsc2100_keyclick(); /* doesnt work :( */
line -= 6;
}
#if 0
#if 1
if (button&BUTTON_TOUCHPAD)
{
unsigned int data = button_get_last_touch();
printf("x: %d, y: %d", data>>16, data&0xffff);
line-=3;
unsigned int data = button_get_data();
int x = (data&0xffff0000)>>16, y = data&0x0000ffff;
reset_screen();
lcd_hline(x-5, x+5, y);
lcd_vline(x, y-5, y+5);
lcd_update();
}
else line -=2;
#endif
}
}

View file

@ -46,7 +46,11 @@ void use_calibration(bool enable)
{
using_calibration = enable;
}
/* Jd's tests.. These will hopefully work for everyone so we dont have to
create a calibration screen. and
(0,0) = 0x00c0, 0xf40
(480,320) = 0x0f19, 0x00fc
*/
void set_calibration_points(struct touch_calibration_point *tl,
struct touch_calibration_point *br)
{
@ -75,7 +79,12 @@ void button_init_device(void)
last_touch = 0;
/* GIO is the power button, set as input */
IO_GIO_DIR0 |= 0x01;
topleft.px_x = 0; topleft.px_y = 0;
topleft.val_x = 0x00c0; topleft.val_y = 0xf40;
bottomright.px_x = LCD_WIDTH; bottomright.px_y = LCD_HEIGHT;
bottomright.val_x = 0x0f19; bottomright.val_y = 0x00fc;
using_calibration = true;
/* Enable the touchscreen interrupt */
IO_INTC_EINT2 |= (1<<3); /* IRQ_GIO14 */
@ -94,14 +103,13 @@ inline bool button_hold(void)
{
return false;
}
#ifdef BOOTLOADER
int button_get_last_touch(void)
{
int ret_val = last_touch;
last_touch = 0;
return ret_val;
}
#endif
static void remote_heartbeat(void)
{
@ -114,10 +122,7 @@ int button_read_device(void)
char c;
int i = 0;
int btn = BUTTON_NONE;
if (last_touch)
btn |= BUTTON_TOUCHPAD;
if ((IO_GIO_BITSET0&0x01) == 0)
btn |= BUTTON_POWER;
@ -158,11 +163,27 @@ int button_read_device(void)
}
return btn;
}
#define TOUCH_MARGIN 8
void GIO14(void)
{
tsc2100_read_values(&last_x, &last_y,
short x,y;
static int last_tick = 0;
tsc2100_read_values(&x, &y,
&last_z1, &last_z2);
last_touch = touch_to_pixels(last_x, last_y);
if (TIME_BEFORE(last_tick+HZ/5, current_tick))
{
if ((x > last_x + TOUCH_MARGIN) ||
(x < last_x - TOUCH_MARGIN) ||
(y > last_y + TOUCH_MARGIN) ||
(y < last_y - TOUCH_MARGIN))
{
last_x = x;
last_y = y;
queue_clear(&button_queue);
queue_post(&button_queue, BUTTON_TOUCHPAD,
touch_to_pixels(x, y));
}
last_tick = current_tick;
}
IO_INTC_IRQ2 = (1<<3);
}

View file

@ -28,6 +28,7 @@
bool button_hold(void);
void button_init_device(void);
int button_read_device(void);
int button_get_last_touch(void);
struct touch_calibration_point {
short px_x; /* known pixel value */
@ -58,8 +59,9 @@ void use_calibration(bool enable);
/* compatibility hacks */
#define BUTTON_LEFT BUTTON_RC_REW
#define BUTTON_RIGHT BUTTON_RC_FF
#define POWEROFF_BUTTON BUTTON_POWER
#define POWEROFF_COUNT 40
#define POWEROFF_COUNT 10
#define BUTTON_MAIN BUTTON_POWER