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touch panel driver available for mini2440 board.

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@347 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
qiuyiuestc 2010-01-29 00:32:32 +00:00
parent 33c091d08a
commit b7e87ee78b
1 changed files with 39 additions and 61 deletions
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100
bsp/mini2440/touch.c
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@ -62,8 +62,8 @@ static struct s3c2410ts ts;
#define X_MIN 74
#define X_MAX 934
#define Y_MIN 65
#define Y_MAX 933
#define Y_MIN 89
#define Y_MAX 920
#ifdef RT_USING_RTGUI
#include <rtgui/event.h>
@ -72,10 +72,6 @@ void report_touch_input(int updown)
long tmp;
struct rtgui_event_mouse emouse;
tmp = ts.xp;
ts.xp = ts.yp;
ts.yp = tmp;
ts.xp >>= ts.shift;
ts.yp >>= ts.shift;
@ -98,63 +94,32 @@ void report_touch_input(int updown)
emouse.button = RTGUI_MOUSE_BUTTON_UP;
}
rt_kprintf("touch %s: ts.x: %d, ts.y: %d, count:%d\n", updown? "down" : "up",
ts.xp, ts.yp, ts.count);
/* rt_kprintf("touch %s: ts.x: %d, ts.y: %d, count:%d\n", updown? "down" : "up",
ts.xp, ts.yp, ts.count); */
emouse.button |= RTGUI_MOUSE_BUTTON_LEFT;
//rtgui_server_post_event((&emouse.parent), sizeof(emouse));
rtgui_server_post_event((&emouse.parent), sizeof(emouse));
}
#endif
static int first_down_report;
static void touch_timer_fire(void* parameter)
/* fixed me, use timer to support move action */
static void touch_timer_fire(void)
{
rt_uint32_t data0;
rt_uint32_t data1;
int updown;
data0 = ADCDAT0;
data1 = ADCDAT1;
updown = (!(data0 & S3C2410_ADCDAT0_UPDOWN)) && (!(data1 & S3C2410_ADCDAT0_UPDOWN));
if (updown)
if (ts.count == 3)
{
if (ts.count != 0)
{
// if (first_down_report)
{
#ifdef RT_USING_RTGUI
report_touch_input(updown);
first_down_report = 0;
#endif
}
}
ts.xp = 0;
ts.yp = 0;
ts.count = 0;
ADCTSC = S3C2410_ADCTSC_PULL_UP_DISABLE | AUTOPST;
ADCCON |= S3C2410_ADCCON_ENABLE_START;
}
else
{
// if (ts.xp >= 0 && ts.yp >= 0)
if (first_down_report)
{
#ifdef RT_USING_RTGUI
report_touch_input(updown);
first_down_report = 1;
report_touch_input(1);
first_down_report = 0;
#endif
}
}
ts.count = 0;
rt_kprintf("touch time fire: up\n");
ADCTSC = WAIT4INT(0);
}
ADCTSC = S3C2410_ADCTSC_PULL_UP_DISABLE | AUTOPST;
ADCCON |= S3C2410_ADCCON_ENABLE_START;
}
void s3c2410_adc_stylus_action()
@ -162,9 +127,11 @@ void s3c2410_adc_stylus_action()
rt_uint32_t data0;
rt_uint32_t data1;
SUBSRCPND |= BIT_SUB_ADC;
data0 = ADCDAT0;
data1 = ADCDAT1;
ts.xp += data0 & S3C2410_ADCDAT0_XPDATA_MASK;
ts.yp += data1 & S3C2410_ADCDAT1_YPDATA_MASK;
ts.count++;
@ -176,11 +143,9 @@ void s3c2410_adc_stylus_action()
}
else
{
touch_timer_fire(0);
//touch_timer_fire();
ADCTSC = WAIT4INT(1);
}
SUBSRCPND |= BIT_SUB_ADC;
}
void s3c2410_intc_stylus_updown()
@ -189,28 +154,33 @@ void s3c2410_intc_stylus_updown()
rt_uint32_t data1;
int updown;
SUBSRCPND |= BIT_SUB_TC;
data0 = ADCDAT0;
data1 = ADCDAT1;
updown = (!(data0 & S3C2410_ADCDAT0_UPDOWN)) && (!(data1 & S3C2410_ADCDAT0_UPDOWN));
rt_kprintf("stylus: %s\n", updown? "down" : "up");
if (updown) touch_timer_fire(RT_NULL);
if (updown)
{
touch_timer_fire();
}
else
{
if (ts.xp >= 0 && ts.yp >= 0)
{
#ifdef RT_USING_RTGUI
report_touch_input(updown);
report_touch_input(0);
first_down_report = 1;
#endif
}
ts.xp = 0;
ts.yp = 0;
ts.count = 0;
ADCTSC = WAIT4INT(0);
}
SUBSRCPND |= BIT_SUB_TC;
}
void rt_touch_handler(int irqno)
@ -236,9 +206,11 @@ void rt_hw_touch_init()
/* init touch screen structure */
rt_memset(&ts, 0, sizeof(struct s3c2410ts));
ts.delay = 5000;
ts.presc = 49;
ts.delay = 50000;
ts.presc = 9;
ts.shift = 2;
ts.count = 0;
ts.xp = ts.yp = 0;
ADCCON = S3C2410_ADCCON_PRSCEN | S3C2410_ADCCON_PRSCVL(ts.presc);
ADCDLY = ts.delay;
@ -248,6 +220,12 @@ void rt_hw_touch_init()
rt_hw_interrupt_install(INTADC, rt_touch_handler, RT_NULL);
rt_hw_interrupt_umask(INTADC);
/* clear interrupt */
INTPND |= (rt_uint32_t)(1 << INTADC);
SUBSRCPND |= BIT_SUB_TC;
SUBSRCPND |= BIT_SUB_ADC;
/* install interrupt handler */
INTSUBMSK &= ~BIT_SUB_ADC;
INTSUBMSK &= ~BIT_SUB_TC;