Merge pull request #4737 from mysterywolf/3,1,xformatv3.1.5

[lts 3.1.x] format codes

1 files changed, 352 insertions, 352 deletions

diff --git a/bsp/mini2440/drivers/touch.c b/bsp/mini2440/drivers/touch.c
index 2c9f8ca52f..d2e20c9db4 100644
--- a/bsp/mini2440/drivers/touch.c
+++ b/bsp/mini2440/drivers/touch.c
@@ -7,7 +7,7 @@
  * Date           Author       Notes
  * 2010-01-01     Yi.Qiu      first version
  */
- 
+
 #include <rthw.h>
 #include <rtthread.h>
 #include <s3c24x0.h>
@@ -22,473 +22,473 @@
 #include "touch.h"
 
 /* ADCCON Register Bits */
-#define S3C2410_ADCCON_ECFLG			(1<<15)
-#define S3C2410_ADCCON_PRSCEN			(1<<14)
-#define S3C2410_ADCCON_PRSCVL(x)		(((x)&0xFF)<<6)
-#define S3C2410_ADCCON_PRSCVLMASK		(0xFF<<6)
-#define S3C2410_ADCCON_SELMUX(x)		(((x)&0x7)<<3)
-#define S3C2410_ADCCON_MUXMASK			(0x7<<3)
-#define S3C2410_ADCCON_STDBM			(1<<2)
-#define S3C2410_ADCCON_READ_START		(1<<1)
-#define S3C2410_ADCCON_ENABLE_START		(1<<0)
-#define S3C2410_ADCCON_STARTMASK		(0x3<<0)
+#define S3C2410_ADCCON_ECFLG            (1<<15)
+#define S3C2410_ADCCON_PRSCEN           (1<<14)
+#define S3C2410_ADCCON_PRSCVL(x)        (((x)&0xFF)<<6)
+#define S3C2410_ADCCON_PRSCVLMASK       (0xFF<<6)
+#define S3C2410_ADCCON_SELMUX(x)        (((x)&0x7)<<3)
+#define S3C2410_ADCCON_MUXMASK          (0x7<<3)
+#define S3C2410_ADCCON_STDBM            (1<<2)
+#define S3C2410_ADCCON_READ_START       (1<<1)
+#define S3C2410_ADCCON_ENABLE_START     (1<<0)
+#define S3C2410_ADCCON_STARTMASK        (0x3<<0)
 
 /* ADCTSC Register Bits */
-#define S3C2410_ADCTSC_UD_SEN			(1<<8) /* ghcstop add for s3c2440a */
-#define S3C2410_ADCTSC_YM_SEN			(1<<7)
-#define S3C2410_ADCTSC_YP_SEN			(1<<6)
-#define S3C2410_ADCTSC_XM_SEN			(1<<5)
-#define S3C2410_ADCTSC_XP_SEN			(1<<4)
-#define S3C2410_ADCTSC_PULL_UP_DISABLE	(1<<3)
-#define S3C2410_ADCTSC_AUTO_PST			(1<<2)
-#define S3C2410_ADCTSC_XY_PST(x)		(((x)&0x3)<<0)
+#define S3C2410_ADCTSC_UD_SEN           (1<<8) /* ghcstop add for s3c2440a */
+#define S3C2410_ADCTSC_YM_SEN           (1<<7)
+#define S3C2410_ADCTSC_YP_SEN           (1<<6)
+#define S3C2410_ADCTSC_XM_SEN           (1<<5)
+#define S3C2410_ADCTSC_XP_SEN           (1<<4)
+#define S3C2410_ADCTSC_PULL_UP_DISABLE  (1<<3)
+#define S3C2410_ADCTSC_AUTO_PST         (1<<2)
+#define S3C2410_ADCTSC_XY_PST(x)        (((x)&0x3)<<0)
 
 /* ADCDAT0 Bits */
-#define S3C2410_ADCDAT0_UPDOWN			(1<<15)
-#define S3C2410_ADCDAT0_AUTO_PST		(1<<14)
-#define S3C2410_ADCDAT0_XY_PST			(0x3<<12)
-#define S3C2410_ADCDAT0_XPDATA_MASK		(0x03FF)
+#define S3C2410_ADCDAT0_UPDOWN          (1<<15)
+#define S3C2410_ADCDAT0_AUTO_PST        (1<<14)
+#define S3C2410_ADCDAT0_XY_PST          (0x3<<12)
+#define S3C2410_ADCDAT0_XPDATA_MASK     (0x03FF)
 
 /* ADCDAT1 Bits */
-#define S3C2410_ADCDAT1_UPDOWN			(1<<15)
-#define S3C2410_ADCDAT1_AUTO_PST		(1<<14)
-#define S3C2410_ADCDAT1_XY_PST			(0x3<<12)
-#define S3C2410_ADCDAT1_YPDATA_MASK		(0x03FF)
+#define S3C2410_ADCDAT1_UPDOWN          (1<<15)
+#define S3C2410_ADCDAT1_AUTO_PST        (1<<14)
+#define S3C2410_ADCDAT1_XY_PST          (0x3<<12)
+#define S3C2410_ADCDAT1_YPDATA_MASK     (0x03FF)
 
 #define WAIT4INT(x)  (((x)<<8) | \
-		     S3C2410_ADCTSC_YM_SEN | S3C2410_ADCTSC_YP_SEN | S3C2410_ADCTSC_XP_SEN | \
-		     S3C2410_ADCTSC_XY_PST(3))
+             S3C2410_ADCTSC_YM_SEN | S3C2410_ADCTSC_YP_SEN | S3C2410_ADCTSC_XP_SEN | \
+             S3C2410_ADCTSC_XY_PST(3))
 
-#define AUTOPST	     (S3C2410_ADCTSC_YM_SEN | S3C2410_ADCTSC_YP_SEN | S3C2410_ADCTSC_XP_SEN | \
-		     S3C2410_ADCTSC_AUTO_PST | S3C2410_ADCTSC_XY_PST(0))
+#define AUTOPST      (S3C2410_ADCTSC_YM_SEN | S3C2410_ADCTSC_YP_SEN | S3C2410_ADCTSC_XP_SEN | \
+             S3C2410_ADCTSC_AUTO_PST | S3C2410_ADCTSC_XY_PST(0))
 
-#define X_MIN		74
-#define X_MAX		934
-#define Y_MIN		920
-#define Y_MAX		89
+#define X_MIN       74
+#define X_MAX       934
+#define Y_MIN       920
+#define Y_MAX       89
 
 struct s3c2410ts
 {
-	long xp;
-	long yp;
-	int count;
-	int shift;
+    long xp;
+    long yp;
+    int count;
+    int shift;
 
-	int delay;
-	int presc;
+    int delay;
+    int presc;
 
-	char phys[32];
+    char phys[32];
 };
 static struct s3c2410ts ts;
 
 struct rtgui_touch_device
 {
-	struct rt_device parent;
+    struct rt_device parent;
+
+    rt_timer_t poll_timer;
+    rt_uint16_t x, y;
 
-	rt_timer_t poll_timer;
-	rt_uint16_t x, y;
+    rt_bool_t calibrating;
+    rt_touch_calibration_func_t calibration_func;
 
-	rt_bool_t calibrating;
-	rt_touch_calibration_func_t calibration_func;
+    rt_touch_eventpost_func_t eventpost_func;
+    void *eventpost_param;
 
-	rt_touch_eventpost_func_t eventpost_func;
-	void *eventpost_param;
+    rt_uint16_t min_x, max_x;
+    rt_uint16_t min_y, max_y;
 
-	rt_uint16_t min_x, max_x;
-	rt_uint16_t min_y, max_y;
+    rt_uint16_t width;
+    rt_uint16_t height;
 
-	rt_uint16_t width;
-	rt_uint16_t height;
-	
-	rt_bool_t first_down_report;
+    rt_bool_t first_down_report;
 };
 static struct rtgui_touch_device *touch = RT_NULL;
 
 #ifdef RT_USING_RTGUI
 static void report_touch_input(int updown)
 {
-	struct rtgui_event_mouse emouse;
+    struct rtgui_event_mouse emouse;
+
+    RTGUI_EVENT_MOUSE_BUTTON_INIT(&emouse);
+    emouse.wid = RT_NULL;
+
+    /* set emouse button */
+    emouse.button = RTGUI_MOUSE_BUTTON_LEFT;
+    emouse.parent.sender = RT_NULL;
 
-	RTGUI_EVENT_MOUSE_BUTTON_INIT(&emouse);
-	emouse.wid = RT_NULL;
+    if (updown)
+    {
+        ts.xp = ts.xp / ts.count;
+        ts.yp = ts.yp / ts.count;;
 
-	/* set emouse button */
-	emouse.button = RTGUI_MOUSE_BUTTON_LEFT;
-	emouse.parent.sender = RT_NULL;
-	
-	if (updown)
-	{
-		ts.xp = ts.xp / ts.count;
-		ts.yp = ts.yp / ts.count;;
+        if ((touch->calibrating == RT_TRUE) && (touch->calibration_func != RT_NULL))
+        {
+            touch->x = ts.xp;
+            touch->y = ts.yp;
+        }
+        else
+        {
+            if (touch->max_x > touch->min_x)
+            {
+                touch->x = touch->width * (ts.xp-touch->min_x)/(touch->max_x-touch->min_x);
+            }
+            else
+            {
+                touch->x = touch->width * ( touch->min_x - ts.xp ) / (touch->min_x-touch->max_x);
+            }
 
-		if ((touch->calibrating == RT_TRUE) && (touch->calibration_func != RT_NULL))
-		{
-			touch->x = ts.xp;
-			touch->y = ts.yp;
-		}
-		else
-		{
-			if (touch->max_x > touch->min_x)
-			{
-				touch->x = touch->width * (ts.xp-touch->min_x)/(touch->max_x-touch->min_x);
-			}
-			else
-			{
-				touch->x = touch->width * ( touch->min_x - ts.xp ) / (touch->min_x-touch->max_x);
-			}
+            if (touch->max_y > touch->min_y)
+            {
+                touch->y = touch->height * ( ts.yp - touch->min_y ) / (touch->max_y-touch->min_y);
+            }
+            else
+            {
+                touch->y = touch->height * ( touch->min_y - ts.yp ) / (touch->min_y-touch->max_y);
+            }
+        }
 
-			if (touch->max_y > touch->min_y)
-			{
-				touch->y = touch->height * ( ts.yp - touch->min_y ) / (touch->max_y-touch->min_y);
-			}
-			else
-			{
-				touch->y = touch->height * ( touch->min_y - ts.yp ) / (touch->min_y-touch->max_y);
-			}
-		}
+        emouse.x = touch->x;
+        emouse.y = touch->y;
+        if (touch->first_down_report == RT_TRUE)
+        {
+            emouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON;
+            emouse.button |= RTGUI_MOUSE_BUTTON_DOWN;
+        }
+        else
+        {
+            emouse.parent.type = RTGUI_EVENT_MOUSE_MOTION;
+            emouse.button = 0;
+        }
+    }
+    else
+    {
+        emouse.x = touch->x;
+        emouse.y = touch->y;
+        emouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON;
+        emouse.button |= RTGUI_MOUSE_BUTTON_UP;
+        if ((touch->calibrating == RT_TRUE) && (touch->calibration_func != RT_NULL))
+        {
+            /* callback function */
+            touch->calibration_func(emouse.x, emouse.y);
+        }
+    }
 
-		emouse.x = touch->x;
-		emouse.y = touch->y;
-		if (touch->first_down_report == RT_TRUE)
-		{
-			emouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON;
-			emouse.button |= RTGUI_MOUSE_BUTTON_DOWN;
-		}
-		else
-		{	
-			emouse.parent.type = RTGUI_EVENT_MOUSE_MOTION;
-			emouse.button = 0;
-		}
-	}
-	else
-	{
-		emouse.x = touch->x;
-		emouse.y = touch->y;	
-		emouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON;
-		emouse.button |= RTGUI_MOUSE_BUTTON_UP;
-		if ((touch->calibrating == RT_TRUE) && (touch->calibration_func != RT_NULL))
-		{
-			/* callback function */
-			touch->calibration_func(emouse.x, emouse.y);
-		}
-	}
+    /* rt_kprintf("touch %s: ts.x: %d, ts.y: %d\n", updown? "down" : "up",
+    touch->x, touch->y); */
 
-	/* rt_kprintf("touch %s: ts.x: %d, ts.y: %d\n", updown? "down" : "up",
-	touch->x, touch->y); */	
-	
-	/* send event to server */
-	if (touch->calibrating != RT_TRUE)
-	{	
-		rtgui_server_post_event((&emouse.parent), sizeof(emouse));
-	}
+    /* send event to server */
+    if (touch->calibrating != RT_TRUE)
+    {
+        rtgui_server_post_event((&emouse.parent), sizeof(emouse));
+    }
 }
 #else
 static void report_touch_input(int updown)
 {
-	struct rt_touch_event touch_event;
+    struct rt_touch_event touch_event;
 
-	if (updown)
-	{
-		ts.xp = ts.xp / ts.count;
-		ts.yp = ts.yp / ts.count;
+    if (updown)
+    {
+        ts.xp = ts.xp / ts.count;
+        ts.yp = ts.yp / ts.count;
 
-		if ((touch->calibrating == RT_TRUE) && (touch->calibration_func != RT_NULL))
-		{
-			touch->x = ts.xp;
-			touch->y = ts.yp;
-		}
-		else
-		{
-			if (touch->max_x > touch->min_x)
-			{
-				touch->x = touch->width * ( ts.xp - touch->min_x ) / (touch->max_x-touch->min_x);
-			}
-			else
-			{
-				touch->x = touch->width * ( touch->min_x - ts.xp ) / (touch->min_x-touch->max_x);
-			}
+        if ((touch->calibrating == RT_TRUE) && (touch->calibration_func != RT_NULL))
+        {
+            touch->x = ts.xp;
+            touch->y = ts.yp;
+        }
+        else
+        {
+            if (touch->max_x > touch->min_x)
+            {
+                touch->x = touch->width * ( ts.xp - touch->min_x ) / (touch->max_x-touch->min_x);
+            }
+            else
+            {
+                touch->x = touch->width * ( touch->min_x - ts.xp ) / (touch->min_x-touch->max_x);
+            }
 
-			if (touch->max_y > touch->min_y)
-			{
-				touch->y = touch->height * ( ts.yp - touch->min_y ) / (touch->max_y-touch->min_y);
-			}
-			else
-			{
-				touch->y = touch->height * ( touch->min_y - ts.yp ) / (touch->min_y-touch->max_y);
-			}
-		}
+            if (touch->max_y > touch->min_y)
+            {
+                touch->y = touch->height * ( ts.yp - touch->min_y ) / (touch->max_y-touch->min_y);
+            }
+            else
+            {
+                touch->y = touch->height * ( touch->min_y - ts.yp ) / (touch->min_y-touch->max_y);
+            }
+        }
 
-		touch_event.x = touch->x;
-		touch_event.y = touch->y;
-		touch_event.pressed = 1;
+        touch_event.x = touch->x;
+        touch_event.y = touch->y;
+        touch_event.pressed = 1;
 
-		if (touch->first_down_report == RT_TRUE)
-		{
-			if (touch->calibrating != RT_TRUE && touch->eventpost_func)
-			{
-				touch->eventpost_func(touch->eventpost_param, &touch_event); 
-			}
-		}
-	}
-	else
-	{
-		touch_event.x = touch->x;
-		touch_event.y = touch->y;
-		touch_event.pressed = 0;
-		
-		if ((touch->calibrating == RT_TRUE) && (touch->calibration_func != RT_NULL))
-		{
-			/* callback function */
-			touch->calibration_func(touch_event.x, touch_event.y);
-		}
+        if (touch->first_down_report == RT_TRUE)
+        {
+            if (touch->calibrating != RT_TRUE && touch->eventpost_func)
+            {
+                touch->eventpost_func(touch->eventpost_param, &touch_event);
+            }
+        }
+    }
+    else
+    {
+        touch_event.x = touch->x;
+        touch_event.y = touch->y;
+        touch_event.pressed = 0;
 
-		if (touch->calibrating != RT_TRUE && touch->eventpost_func)
-		{	
-			touch->eventpost_func(touch->eventpost_param, &touch_event); 
-		}
-	}
+        if ((touch->calibrating == RT_TRUE) && (touch->calibration_func != RT_NULL))
+        {
+            /* callback function */
+            touch->calibration_func(touch_event.x, touch_event.y);
+        }
+
+        if (touch->calibrating != RT_TRUE && touch->eventpost_func)
+        {
+            touch->eventpost_func(touch->eventpost_param, &touch_event);
+        }
+    }
 }
 #endif
 
 static void touch_timer_fire(void *parameter)
 {
-	rt_uint32_t data0;
-	rt_uint32_t data1;
-	int updown;
+    rt_uint32_t data0;
+    rt_uint32_t data1;
+    int updown;
 
-	data0 = ADCDAT0;
-	data1 = ADCDAT1;
+    data0 = ADCDAT0;
+    data1 = ADCDAT1;
 
-	updown = (!(data0 & S3C2410_ADCDAT0_UPDOWN)) && (!(data1 & S3C2410_ADCDAT0_UPDOWN));
+    updown = (!(data0 & S3C2410_ADCDAT0_UPDOWN)) && (!(data1 & S3C2410_ADCDAT0_UPDOWN));
 
-	if (updown)
-	{
-		if (ts.count != 0)
-		{
-			report_touch_input(updown);
-		}
+    if (updown)
+    {
+        if (ts.count != 0)
+        {
+            report_touch_input(updown);
+        }
 
-		ts.xp = 0;
-		ts.yp = 0;
-		ts.count = 0;
+        ts.xp = 0;
+        ts.yp = 0;
+        ts.count = 0;
 
-		ADCTSC = S3C2410_ADCTSC_PULL_UP_DISABLE | AUTOPST;
-		ADCCON |= S3C2410_ADCCON_ENABLE_START;
-	}
+        ADCTSC = S3C2410_ADCTSC_PULL_UP_DISABLE | AUTOPST;
+        ADCCON |= S3C2410_ADCCON_ENABLE_START;
+    }
 }
 
 static void s3c2410_adc_stylus_action(void)
 {
-	rt_uint32_t data0;
-	rt_uint32_t data1;
+    rt_uint32_t data0;
+    rt_uint32_t data1;
+
+    data0 = ADCDAT0;
+    data1 = ADCDAT1;
 
-	data0 = ADCDAT0;
-	data1 = ADCDAT1;
-	
-	ts.xp += data0 & S3C2410_ADCDAT0_XPDATA_MASK;
-	ts.yp += data1 & S3C2410_ADCDAT1_YPDATA_MASK;
-	ts.count ++;
+    ts.xp += data0 & S3C2410_ADCDAT0_XPDATA_MASK;
+    ts.yp += data1 & S3C2410_ADCDAT1_YPDATA_MASK;
+    ts.count ++;
 
-	if (ts.count < (1<<ts.shift))
-	{
-		ADCTSC = S3C2410_ADCTSC_PULL_UP_DISABLE | AUTOPST;
-		ADCCON |= S3C2410_ADCCON_ENABLE_START;
-	}
-	else
-	{
-		if (touch->first_down_report)
-		{
-			report_touch_input(1);
-			ts.xp = 0;
-			ts.yp = 0;
-			ts.count = 0;
-			touch->first_down_report = 0;
-		}
-		/* start timer */
-		rt_timer_start(touch->poll_timer);
-		ADCTSC = WAIT4INT(1);
-	}
+    if (ts.count < (1<<ts.shift))
+    {
+        ADCTSC = S3C2410_ADCTSC_PULL_UP_DISABLE | AUTOPST;
+        ADCCON |= S3C2410_ADCCON_ENABLE_START;
+    }
+    else
+    {
+        if (touch->first_down_report)
+        {
+            report_touch_input(1);
+            ts.xp = 0;
+            ts.yp = 0;
+            ts.count = 0;
+            touch->first_down_report = 0;
+        }
+        /* start timer */
+        rt_timer_start(touch->poll_timer);
+        ADCTSC = WAIT4INT(1);
+    }
 
-	SUBSRCPND |= BIT_SUB_ADC;
+    SUBSRCPND |= BIT_SUB_ADC;
 }
 
 static void s3c2410_intc_stylus_updown(void)
 {
-	rt_uint32_t data0;
-	rt_uint32_t data1;
-	int updown;
+    rt_uint32_t data0;
+    rt_uint32_t data1;
+    int updown;
 
-	data0 = ADCDAT0;
-	data1 = ADCDAT1;
+    data0 = ADCDAT0;
+    data1 = ADCDAT1;
 
-	updown = (!(data0 & S3C2410_ADCDAT0_UPDOWN)) && (!(data1 & S3C2410_ADCDAT0_UPDOWN));
+    updown = (!(data0 & S3C2410_ADCDAT0_UPDOWN)) && (!(data1 & S3C2410_ADCDAT0_UPDOWN));
 
-	/* rt_kprintf("stylus: %s\n", updown? "down" : "up"); */
+    /* rt_kprintf("stylus: %s\n", updown? "down" : "up"); */
 
-	if (updown) 
-	{
-		touch_timer_fire(0);
-	}	
-	else
-	{
-		/* stop timer */
-		rt_timer_stop(touch->poll_timer);
-		touch->first_down_report = RT_TRUE;
-		if (ts.xp >= 0 && ts.yp >= 0)
-		{
-			report_touch_input(updown);
-		}
-		ts.count = 0;
-		ADCTSC = WAIT4INT(0);
-	}
+    if (updown)
+    {
+        touch_timer_fire(0);
+    }
+    else
+    {
+        /* stop timer */
+        rt_timer_stop(touch->poll_timer);
+        touch->first_down_report = RT_TRUE;
+        if (ts.xp >= 0 && ts.yp >= 0)
+        {
+            report_touch_input(updown);
+        }
+        ts.count = 0;
+        ADCTSC = WAIT4INT(0);
+    }
 
-	SUBSRCPND |= BIT_SUB_TC;
+    SUBSRCPND |= BIT_SUB_TC;
 }
 
 static void rt_touch_handler(int irqno)
 {
-	if (SUBSRCPND & BIT_SUB_ADC)
-	{
-		/* INT_SUB_ADC */
-		s3c2410_adc_stylus_action();
-	}
+    if (SUBSRCPND & BIT_SUB_ADC)
+    {
+        /* INT_SUB_ADC */
+        s3c2410_adc_stylus_action();
+    }
 
-	if (SUBSRCPND & BIT_SUB_TC)
-	{
-		/* INT_SUB_TC */
-		s3c2410_intc_stylus_updown();
-	}
+    if (SUBSRCPND & BIT_SUB_TC)
+    {
+        /* INT_SUB_TC */
+        s3c2410_intc_stylus_updown();
+    }
 
-	/* clear interrupt */
-	INTPND |= (1ul << INTADC);
+    /* clear interrupt */
+    INTPND |= (1ul << INTADC);
 }
 
 /* RT-Thread Device Interface */
 static rt_err_t rtgui_touch_init(rt_device_t dev)
 {
-	/* init touch screen structure */
-	rt_memset(&ts, 0, sizeof(struct s3c2410ts));
+    /* init touch screen structure */
+    rt_memset(&ts, 0, sizeof(struct s3c2410ts));
 
-	ts.delay = 50000;
-	ts.presc = 9;
-	ts.shift = 2;
-	ts.count = 0;
-	ts.xp = ts.yp = 0;
+    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;
+    ADCCON = S3C2410_ADCCON_PRSCEN | S3C2410_ADCCON_PRSCVL(ts.presc);
+    ADCDLY = ts.delay;
 
-	ADCTSC = WAIT4INT(0);
+    ADCTSC = WAIT4INT(0);
 
-	rt_hw_interrupt_install(INTADC, rt_touch_handler, RT_NULL , "INTADC");
-	rt_hw_interrupt_umask(INTADC);
+    rt_hw_interrupt_install(INTADC, rt_touch_handler, RT_NULL , "INTADC");
+    rt_hw_interrupt_umask(INTADC);
 
-	/* clear interrupt */
-	INTPND |= (1ul << INTADC);
+    /* clear interrupt */
+    INTPND |= (1ul << INTADC);
 
-	SUBSRCPND |= BIT_SUB_TC;
-	SUBSRCPND |= BIT_SUB_ADC;
+    SUBSRCPND |= BIT_SUB_TC;
+    SUBSRCPND |= BIT_SUB_ADC;
 
-	/* install interrupt handler */
-	INTSUBMSK &= ~BIT_SUB_ADC;
-	INTSUBMSK &= ~BIT_SUB_TC;
+    /* install interrupt handler */
+    INTSUBMSK &= ~BIT_SUB_ADC;
+    INTSUBMSK &= ~BIT_SUB_TC;
 
-	touch->first_down_report = RT_TRUE;
+    touch->first_down_report = RT_TRUE;
 
-	return RT_EOK;
+    return RT_EOK;
 }
 
 static rt_err_t rtgui_touch_control(rt_device_t dev, int cmd, void *args)
 {
-	switch (cmd)
-	{
-	case RT_TOUCH_CALIBRATION:
-		touch->calibrating = RT_TRUE;
-		touch->calibration_func = (rt_touch_calibration_func_t)args;
-		break;
+    switch (cmd)
+    {
+    case RT_TOUCH_CALIBRATION:
+        touch->calibrating = RT_TRUE;
+        touch->calibration_func = (rt_touch_calibration_func_t)args;
+        break;
 
-	case RT_TOUCH_NORMAL:
-		touch->calibrating = RT_FALSE;
-		break;
+    case RT_TOUCH_NORMAL:
+        touch->calibrating = RT_FALSE;
+        break;
 
-	case RT_TOUCH_CALIBRATION_DATA:
-	{
-		struct calibration_data *data;
+    case RT_TOUCH_CALIBRATION_DATA:
+    {
+        struct calibration_data *data;
 
-		data = (struct calibration_data *)args;
+        data = (struct calibration_data *)args;
 
-		/* update */
-		touch->min_x = data->min_x;
-		touch->max_x = data->max_x;
-		touch->min_y = data->min_y;
-		touch->max_y = data->max_y;
+        /* update */
+        touch->min_x = data->min_x;
+        touch->max_x = data->max_x;
+        touch->min_y = data->min_y;
+        touch->max_y = data->max_y;
 
-		/*
-			rt_kprintf("min_x = %d, max_x = %d, min_y = %d, max_y = %d\n",
-				touch->min_x, touch->max_x, touch->min_y, touch->max_y);
-		*/		
-	}
-		break;
+        /*
+            rt_kprintf("min_x = %d, max_x = %d, min_y = %d, max_y = %d\n",
+                touch->min_x, touch->max_x, touch->min_y, touch->max_y);
+        */
+    }
+        break;
 
-	case RT_TOUCH_EVENTPOST:
-		touch->eventpost_func = (rt_touch_eventpost_func_t)args;
-		break;
+    case RT_TOUCH_EVENTPOST:
+        touch->eventpost_func = (rt_touch_eventpost_func_t)args;
+        break;
 
-	case RT_TOUCH_EVENTPOST_PARAM:
-		touch->eventpost_param = args;
-		break;
-	}
+    case RT_TOUCH_EVENTPOST_PARAM:
+        touch->eventpost_param = args;
+        break;
+    }
 
-	return RT_EOK;
+    return RT_EOK;
 }
 
 void rtgui_touch_hw_init(void)
 {
-	rt_err_t result = RT_FALSE;
-	rt_device_t device = RT_NULL;
-	struct rt_device_graphic_info info;
+    rt_err_t result = RT_FALSE;
+    rt_device_t device = RT_NULL;
+    struct rt_device_graphic_info info;
+
+    touch = (struct rtgui_touch_device *)rt_malloc(sizeof(struct rtgui_touch_device));
+    if (touch == RT_NULL)
+        return; /* no memory yet */
 
-	touch = (struct rtgui_touch_device *)rt_malloc(sizeof(struct rtgui_touch_device));
-	if (touch == RT_NULL)
-		return; /* no memory yet */
+    /* clear device structure */
+    rt_memset(&(touch->parent), 0, sizeof(struct rt_device));
+    touch->calibrating = RT_FALSE;
+    touch->min_x = X_MIN;
+    touch->max_x = X_MAX;
+    touch->min_y = Y_MIN;
+    touch->max_y = Y_MAX;
+    touch->eventpost_func  = RT_NULL;
+    touch->eventpost_param = RT_NULL;
 
-	/* clear device structure */
-	rt_memset(&(touch->parent), 0, sizeof(struct rt_device));
-	touch->calibrating = RT_FALSE;
-	touch->min_x = X_MIN;
-	touch->max_x = X_MAX;
-	touch->min_y = Y_MIN;
-	touch->max_y = Y_MAX;
-	touch->eventpost_func  = RT_NULL;
-	touch->eventpost_param = RT_NULL;
+    /* init device structure */
+    touch->parent.type = RT_Device_Class_Unknown;
+    touch->parent.init = rtgui_touch_init;
+    touch->parent.control = rtgui_touch_control;
+    touch->parent.user_data = RT_NULL;
 
-	/* init device structure */
-	touch->parent.type = RT_Device_Class_Unknown;
-	touch->parent.init = rtgui_touch_init;
-	touch->parent.control = rtgui_touch_control;
-	touch->parent.user_data = RT_NULL;
+    device = rt_device_find("lcd");
+    if (device == RT_NULL)
+        return; /* no this device */
 
-	device = rt_device_find("lcd");
-	if (device == RT_NULL)
-		return; /* no this device */	
+    /* get graphic device info */
+    result = rt_device_control(device, RTGRAPHIC_CTRL_GET_INFO, &info);
+    if (result != RT_EOK)
+    {
 
-	/* get graphic device info */
-	result = rt_device_control(device, RTGRAPHIC_CTRL_GET_INFO, &info);
-	if (result != RT_EOK)
-	{
+        /* get device information failed */
 
-		/* get device information failed */
+        return;
+    }
 
-		return;
-	}
+    touch->width = info.width;
+    touch->height = info.height;
 
-	touch->width = info.width;
-	touch->height = info.height;
-	
-	/* create 1/8 second timer */
-	touch->poll_timer = rt_timer_create("touch", touch_timer_fire, RT_NULL,
-	                                    RT_TICK_PER_SECOND/8, RT_TIMER_FLAG_PERIODIC);
+    /* create 1/8 second timer */
+    touch->poll_timer = rt_timer_create("touch", touch_timer_fire, RT_NULL,
+                                        RT_TICK_PER_SECOND/8, RT_TIMER_FLAG_PERIODIC);
 
-	/* register touch device to RT-Thread */
-	rt_device_register(&(touch->parent), "touch", RT_DEVICE_FLAG_RDWR);
+    /* register touch device to RT-Thread */
+    rt_device_register(&(touch->parent), "touch", RT_DEVICE_FLAG_RDWR);
 }