diff options
Diffstat (limited to 'firmware')
-rw-r--r-- | firmware/drivers/lcd-h300.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/firmware/drivers/lcd-h300.c b/firmware/drivers/lcd-h300.c index 17fe1f530b..91a86defd4 100644 --- a/firmware/drivers/lcd-h300.c +++ b/firmware/drivers/lcd-h300.c | |||
@@ -200,11 +200,19 @@ void lcd_update_rect(int x, int y, int width, int height) | |||
200 | if(ymax >= LCD_HEIGHT) | 200 | if(ymax >= LCD_HEIGHT) |
201 | ymax = LCD_HEIGHT-1; | 201 | ymax = LCD_HEIGHT-1; |
202 | 202 | ||
203 | /* Copy specified rectangle bitmap to hardware */ | 203 | /* set update window */ |
204 | for (; y <= ymax; y++) | 204 | lcd_write_reg(0x44, (ymax<<8) | y); /* horiz ram addr */ |
205 | { | 205 | lcd_write_reg(0x45, ((x+width-1)<<8) | x); /* vert ram addr */ |
206 | lcd_write_reg(0x21, (x << 8) + y); | 206 | lcd_write_reg(0x21, (x<<8) | y); |
207 | lcd_begin_write_gram(); | 207 | lcd_begin_write_gram(); |
208 | lcd_write_data ((unsigned short *)&lcd_framebuffer[y][x], width); | 208 | |
209 | } | 209 | /* Copy specified rectangle bitmap to hardware */ |
210 | for (; y <= ymax; y++) | ||
211 | { | ||
212 | lcd_write_data ((unsigned short *)&lcd_framebuffer[y][x], width); | ||
213 | } | ||
214 | |||
215 | /* reset update window */ | ||
216 | lcd_write_reg(0x44, 0xaf00); /* horiz ram addr: 0 - 175 */ | ||
217 | lcd_write_reg(0x45, 0xdb00); /* vert ram addr: 0 - 219 */ | ||
210 | } | 218 | } |