only foo

[my-code/arm.git] / betty / display.c

diff --git a/betty/display.c b/betty/display.c
index a5db338..1d6af1a 100644 (file)
--- a/betty/display.c
+++ b/betty/display.c
@@ -11,13 +11,55 @@
  * functions
  */
 
-void bl_init(void) {
+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_EXIT_POWER_SAVE;
+
+       /* reset the display, wait until its up again */
+       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) {
 
        PINSEL0&=~(1<<9|(1<<8));
        IODIR0|=(1<<4);
 }
 
-void bl_toggle(void) {
+void display_bl_toggle(void) {
 
        if(IOPIN0&(1<<4))
                IOCLR0=(1<<4);
@@ -25,12 +67,12 @@ void bl_toggle(void) {
                IOSET0=(1<<4);
 }
 
-void bl_on(void) {
+void display_bl_on(void) {
 
        IOCLR0=(1<<4);
 }
 
-void bl_off(void) {
+void display_bl_off(void) {
 
        IOSET0=(1<<4);
 }