From 818f43a5586b5c7fa441a8d44405d7b5279e8235 Mon Sep 17 00:00:00 2001
From: hackbard <hackbard@staubsauger.localdomain>
Date: Thu, 13 Sep 2007 03:09:48 +0200
Subject: [PATCH] stupid mistake fixed, display basically working now!

---
 betty/betty.c   |  4 +++-
 betty/display.c | 11 ++++++++---
 betty/display.h |  5 +++--
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/betty/betty.c b/betty/betty.c
index e5923e9..163a8e2 100644
--- a/betty/betty.c
+++ b/betty/betty.c
@@ -23,7 +23,6 @@ int main() {
 	char announce[]="betty - live from flash at 0x80000000! ;)\r\n";
 	t_button button;
 	u8 contrast;
-	int cnt;
 
 	/* system init */
 	pll_init();
@@ -81,6 +80,9 @@ int main() {
 						contrast+=1;
 					DISPLAY_SET_CONTRAST(contrast);
 					break;
+				case BUTTON_TV:
+					display_fill_screen(button.key[0]);
+					break;
 				default:
 					display_clear_screen();
 					break;
diff --git a/betty/display.c b/betty/display.c
index e102141..b3d3e9c 100644
--- a/betty/display.c
+++ b/betty/display.c
@@ -14,7 +14,7 @@
  * functions
  */
 
-void display_clear_screen(void) {
+void display_fill_screen(u8 fill) {
 
 	u8 page,width;
 
@@ -22,12 +22,17 @@ void display_clear_screen(void) {
 		DISPLAY_SET_C_ADDR(0);
 		DISPLAY_SET_PAGE_ADDR(page);
 		for(width=0;width<DISPLAY_DIMX;width++) {
-			DISPLAY_DATA=0x00;
-			DISPLAY_DATA=0x00;
+			DISPLAY_DATA=fill;
+			DISPLAY_DATA=fill;
 		}
 	}
 }
 
+void display_clear_screen(void) {
+
+	display_fill_screen(0x00);
+}
+
 void display_init(void) {
 
 	DISPLAY_EXIT_POWER_SAVE;
diff --git a/betty/display.h b/betty/display.h
index b129d88..bed4b70 100644
--- a/betty/display.h
+++ b/betty/display.h
@@ -65,9 +65,9 @@
 					DISPLAY_CMD=(((b)&0x0f)<<4|((a)&0x0f)); \
 					DISPLAY_CMD=0x8d; \
 					DISPLAY_CMD=(((d)&0x0f)<<4|((c)&0x0f))
-#define DISPLAY_SET_BLACK(a,b,c,d)	DISPLAY_CMD=0x88; \
+#define DISPLAY_SET_BLACK(a,b,c,d)	DISPLAY_CMD=0x8e; \
 					DISPLAY_CMD=(((b)&0x0f)<<4|((a)&0x0f)); \
-					DISPLAY_CMD=0x89; \
+					DISPLAY_CMD=0x8f; \
 					DISPLAY_CMD=(((d)&0x0f)<<4|((c)&0x0f))
 #define DISPLAY_SET_PWM_FRC(p,f)	DISPLAY_CMD=(0x90| \
 					             (((f&0x01)<<2)|(p&0x03)))
@@ -95,6 +95,7 @@
 #define DISPLAY_EXTENDED_FEATURES	DISPLAY_CMD=0xf0
 
 /* function prototypes */
+void display_fill_screen(u8 fill);
 void display_clear_screen(void);
 void display_init(void);
 void display_load_logo(u8 *src);
-- 
2.20.1