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rk27xx: Slightly refactor lcd_set_gram_area()

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Change-Id: I1040164220dd87b19b58be560eb5b628857bc284
This commit is contained in:
Marcin Bukat 2013-05-11 12:30:04 +02:00
parent 3f4824b94f
commit ca8154741f
5 changed files with 46 additions and 39 deletions
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21
firmware/target/arm/rk27xx/ma/lcd-ma.c
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@ -151,21 +151,22 @@ void lcd_enable (bool on)
LCDC_CTRL &= ~RGB24B;
}
void lcd_set_gram_area(int x, int y, int width, int height)
void lcd_set_gram_area(int x_start, int y_start,
int x_end, int y_end)
{
lcdctrl_bypass(1);
LCDC_CTRL |= RGB24B;
lcd_cmd(0x002A);
lcd_data((x&0xff00)>>8);
lcd_data(x&0x00ff);
lcd_data(((width-1)&0xff00)>>8);
lcd_data((width-1)&0x00ff);
lcd_data((x_start&0xff00)>>8);
lcd_data(x_start&0x00ff);
lcd_data((x_end&0xff00)>>8);
lcd_data(x_end&0x00ff);
lcd_cmd(0x002B);
lcd_data((y&0xff00)>>8);
lcd_data(y&0x00ff);
lcd_data(((height-1)&0xff00)>>8);
lcd_data((height-1)&0x00ff);
lcd_data((y_start&0xff00)>>8);
lcd_data(y_start&0x00ff);
lcd_data((y_end&0xff00)>>8);
lcd_data(y_end&0x00ff);
lcd_cmd(0x2c);
LCDC_CTRL &= ~RGB24B;
@ -176,7 +177,7 @@ void lcd_update_rect(int x, int y, int width, int height)
int px = x, py = y;
int pxmax = x + width, pymax = y + height;
lcd_set_gram_area(x, y, pxmax, pymax);
lcd_set_gram_area(x, y, pxmax-1, pymax-1);
for (py = y; py < pymax; py++)
for (px = x; px < pxmax; px++)