From: Nils Faerber <nils.faerber@kernelconcepts.de>
Date: Sat, 6 Jul 2013 21:17:34 +0000 (+0200)
Subject: Add invert option
X-Git-Url: https://git.karo-electronics.de/?p=oswald.git;a=commitdiff_plain;h=b855a8c32c0742bf402ab409e63aad7b3606a824;ds=sidebyside

Add invert option
---

diff --git a/metawatch/mw_lcd.c b/metawatch/mw_lcd.c
index 0eb7550..2082a6d 100644
--- a/metawatch/mw_lcd.c
+++ b/metawatch/mw_lcd.c
@@ -197,12 +197,21 @@ __interrupt void DMA_ISR (void)
 /* writes the complete internal framebuffer to the LCD */
 void mw_lcd_update_screen(void)
 {
-#ifndef LCD_DMA
+//#ifndef LCD_DMA
 	unsigned int i,j;
-#endif
+//#endif
 
 //	debug_uart_tx("uscr1\n");
 
+	// invert the buffer
+	if (0) {
+		for (i=0; i<96; i++) {
+			for ( j = 0; j < 12; j++ ) {
+				lcd_buf[i].Data[j] = ~lcd_buf[i].Data[j];
+			}
+		}
+	}
+
 	LCD_CS_ASSERT();
 
 	/* send WRITE command */
@@ -267,7 +276,7 @@ void mw_lcd_update_screen(void)
 	mw_lcd_static_mode();
 }
 
-void mw_lcd_draw_pixel(unsigned char x, unsigned char y, unsigned char color)
+void mw_lcd_draw_pixel(const uint8_t x, const uint8_t y, const uint8_t color)
 {
 	switch (color) {
 		case 1:
diff --git a/metawatch/mw_lcd.h b/metawatch/mw_lcd.h
index 5211da0..0113c81 100644
--- a/metawatch/mw_lcd.h
+++ b/metawatch/mw_lcd.h
@@ -25,7 +25,7 @@ void mw_lcd_update_screen(void);
 #define LCD_WHITE	0
 #endif
 #define LCD_XOR		2
-void mw_lcd_draw_pixel(unsigned char x, unsigned char y, unsigned char color);
+void mw_lcd_draw_pixel(const uint8_t x, const uint8_t y, const uint8_t color);
 
 #endif