X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Farm.git;a=blobdiff_plain;f=betty%2Fdisplay.c;h=fad0804e5a5bfc477885791db874dbcf14d4247b;hp=210cd17766cb92358a9736f7228ac29f0f166492;hb=2c6f5744c29fb65d904aa5fe40b5ce541247f900;hpb=7f516b2153b747636e0b379882457ef3ea0ed23f

diff --git a/betty/display.c b/betty/display.c
index 210cd17..fad0804 100644
--- a/betty/display.c
+++ b/betty/display.c
@@ -11,9 +11,44 @@
  * functions
  */
 
+void display_clear_screen(void) {
+
+	u32 cnt;
+
+	DISPLAY_SET_PAGE_ADDR(0);
+	DISPLAY_SET_C_ADDR(0);
+
+	for(cnt=0;cnt<DISPLAY_RAM_CONTENT;cnt++)
+		DISPLAY_DATA=0x00;
+}
+
 void display_init(void) {
 
+	/* configure the ext mem bank interface */
 	BCFG1=0x00000c42;
+
+	DISPLAY_SOFT_RESET;
+
+	pause(0xffffff);
+
+	DISPLAY_START_OSCILLATOR;
+
+	DISPLAY_SET_POWER(DISPLAY_V_BOOST|DISPLAY_REGULATOR);
+
+	display_clear_screen();
+
+	DISPLAY_SET_ON;
+}
+
+void display_load_logo(u8 *src) {
+
+	u32 cnt;
+
+	DISPLAY_SET_PAGE_ADDR(0);
+	DISPLAY_SET_C_ADDR(0);
+
+	for(cnt=0;cnt<DISPLAY_RAM_CONTENT;cnt++)
+		DISPLAY_DATA=src[cnt];
 }
 
 void display_bl_init(void) {