X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;ds=sidebyside;f=bertos%2Fdrv%2Flcd_rit128x96.c;h=03140ba5b43f41665fa7e4a4971c430186bd53d4;hb=888da1bd988d54b4036a8a4bfd79a52ef9fd7486;hp=fd2f359579bdea84b40e566906cbe867a1e08689;hpb=d76509a30e7b0ff2440538e2a06210dc64da9214;p=bertos.git

diff --git a/bertos/drv/lcd_rit128x96.c b/bertos/drv/lcd_rit128x96.c
index fd2f3595..03140ba5 100644
--- a/bertos/drv/lcd_rit128x96.c
+++ b/bertos/drv/lcd_rit128x96.c
@@ -127,31 +127,33 @@ void rit128x96_off(void)
 	lcd_dataWrite(exit_cmd, sizeof(exit_cmd));
 }
 
-static void lcd_start_blit(uint8_t width, uint8_t height)
+static void lcd_start_blit(uint8_t x, uint8_t y, uint8_t width, uint8_t height)
 {
 	uint8_t buffer[3];
 
-	ASSERT(width == LCD_WIDTH && height == LCD_HEIGHT);
+	ASSERT((x + width) <= LCD_WIDTH);
+	ASSERT((y + height) <= LCD_HEIGHT);
 
 	/* Enter command mode */
 	LCD_SET_COMMAND();
 
 	buffer[0] = 0x15;
-	buffer[1] = 0;
-	buffer[2] = (width - 2) / 2;
+	buffer[1] = x / 2;
+	buffer[2] = (x + width - 2) / 2;
 	lcd_dataWrite(buffer, 3);
 
 	buffer[0] = 0x75;
-	buffer[1] = 0;
-	buffer[2] = height - 1;
+	buffer[1] = y;
+	buffer[2] = y + height - 1;
 	lcd_dataWrite(buffer, 3);
 	lcd_dataWrite((const uint8_t *)&horizontal_inc, sizeof(horizontal_inc));
 }
 
 /* Refresh a raw image on screen */
-void rit128x96_blitRaw(const uint8_t *data, uint8_t width, uint8_t height)
+void rit128x96_blitRaw(const uint8_t *data,
+		uint8_t x, uint8_t y, uint8_t width, uint8_t height)
 {
-	lcd_start_blit(width, height);
+	lcd_start_blit(x, y, width, height);
 	/*
 	 * Enter data mode and send the encoded image data to the OLED display,
 	 * over the SSI bus.
@@ -172,7 +174,7 @@ void rit128x96_blitBitmap(const Bitmap *bm)
 	uint8_t mask;
 	int i, l;
 
-	lcd_start_blit(bm->width, bm->height);
+	lcd_start_blit(0, 0, bm->width, bm->height);
 	/*
 	 * Enter data mode and send the encoded image data to the OLED display,
 	 * over the SSI bus.