fix lcd update issue

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@898 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/mini2440/lcd_a70.c

@@ -172,20 +172,12 @@ void LcdBkLtSet(rt_uint32_t HiRatio)
 void rt_hw_lcd_update(rtgui_rect_t *rect)
 {
 	volatile rt_uint16_t *src_ptr, *dst_ptr;
-	rt_uint32_t pitch, index;
+	rt_uint32_t i, j;
 
-	pitch = 2 * (rect->x2 - rect->x1);
-
-	/* copy from framebuffer to physical framebuffer */
-	src_ptr = &_rt_framebuffer[rect->y1][rect->x1];
-	dst_ptr = &_rt_hw_framebuffer[rect->y1][rect->x1];
-
-	for (index = rect->y1; index < rect->y2; index ++)
+	for (i = rect->y1; i < rect->y2; i ++)
 	{
-		memcpy((void*)dst_ptr, (void*)src_ptr, pitch);
-
-		src_ptr += (rect->x2 - rect->x1);
-		dst_ptr += (rect->x2 - rect->x1);
+		for(j = rect->x1; j < rect->x2; j++)
+			_rt_hw_framebuffer[i][j] = _rt_framebuffer[i][j];
 	}
 }
 

bsp/mini2440/lcd_n35.c

@@ -172,20 +172,12 @@ void LcdBkLtSet(rt_uint32_t HiRatio)
 void rt_hw_lcd_update(rtgui_rect_t *rect)
 {
 	volatile rt_uint16_t *src_ptr, *dst_ptr;
-	rt_uint32_t pitch, index;
+	rt_uint32_t i, j;
 
-	pitch = 2 * (rect->x2 - rect->x1);
-
-	/* copy from framebuffer to physical framebuffer */
-	src_ptr = &_rt_framebuffer[rect->y1][rect->x1];
-	dst_ptr = &_rt_hw_framebuffer[rect->y1][rect->x1];
-
-	for (index = rect->y1; index < rect->y2; index ++)
+	for (i = rect->y1; i < rect->y2; i ++)
 	{
-		memcpy((void*)dst_ptr, (void*)src_ptr, pitch);
-
-		src_ptr += (rect->x2 - rect->x1);
-		dst_ptr += (rect->x2 - rect->x1);
+		for(j = rect->x1; j < rect->x2; j++)
+			_rt_hw_framebuffer[i][j] = _rt_framebuffer[i][j];
 	}
 }
 

bsp/mini2440/lcd_t35.c

@@ -173,20 +173,12 @@ void LcdBkLtSet(rt_uint32_t HiRatio)
 void rt_hw_lcd_update(rtgui_rect_t *rect)
 {
 	volatile rt_uint16_t *src_ptr, *dst_ptr;
-	rt_uint32_t pitch, index;
+	rt_uint32_t i, j;
 
-	pitch = 2 * (rect->x2 - rect->x1);
-
-	/* copy from framebuffer to physical framebuffer */
-	src_ptr = &_rt_framebuffer[rect->y1][rect->x1];
-	dst_ptr = &_rt_hw_framebuffer[rect->y1][rect->x1];
-
-	for (index = rect->y1; index < rect->y2; index ++)
+	for (i = rect->y1; i < rect->y2; i ++)
 	{
-		memcpy((void*)dst_ptr, (void*)src_ptr, pitch);
-
-		src_ptr += (rect->x2 - rect->x1);
-		dst_ptr += (rect->x2 - rect->x1);
+		for(j = rect->x1; j < rect->x2; j++)
+			_rt_hw_framebuffer[i][j] = _rt_framebuffer[i][j];
 	}
 }
 
@@ -304,8 +296,9 @@ void rt_hw_lcd_init()
    	LCDCON2 = (LCD_UPPER_MARGIN << 24) | ((LCD_HEIGHT - 1) << 14) | (LCD_LOWER_MARGIN << 6) | (LCD_VSYNC_LEN << 0);
    	LCDCON3 = (LCD_RIGHT_MARGIN << 19) | ((LCD_WIDTH  - 1) <<  8) | (LCD_LEFT_MARGIN << 0);
    	LCDCON4 = (13 <<  8) | (LCD_HSYNC_LEN << 0);
+
 #if !defined(LCD_CON5)
-    #define LCD_CON5 ((1<<11) | (1 << 9) | (1 << 8) | (1 << 3) | (1 << 0))
+#define LCD_CON5 ((1<<11) | (1 << 9) | (1 << 8) | (1 << 3) | (1 << 0))
 #endif
 	LCDCON5   =  LCD_CON5;