+ uart0_send_string(announce);
+ switch(button.key[0]) {
+ case BUTTON_POWER:
+ display_logo((u8 *)default_logo);
+ break;
+ case BUTTON_DOWN:
+ if(contrast>0x00)
+ contrast-=1;
+ DISPLAY_SET_CONTRAST(contrast);
+ break;
+ case BUTTON_UP:
+ if(contrast<0x3f)
+ contrast+=1;
+ DISPLAY_SET_CONTRAST(contrast);
+ break;
+ case BUTTON_A:
+ display_fill_screen(DISPLAY_FILL_W);
+ break;
+ case BUTTON_B:
+ display_fill_screen(DISPLAY_FILL_LG);
+ break;
+ case BUTTON_C:
+ display_fill_screen(DISPLAY_FILL_DG);
+ break;
+ case BUTTON_D:
+ display_fill_screen(DISPLAY_FILL_B);
+ break;
+ case BUTTON_1:
+ display_draw_rectangle(20,20,40,40,
+ DISPLAY_FILL_B,
+ 0xff);
+ break;
+ case BUTTON_2:
+ display_draw_rectangle(50,50,40,40,
+ DISPLAY_FILL_LG,
+ 0x7f);
+ break;
+ case BUTTON_3:
+ display_draw_font(70,70,
+ (u8 *)default_font+(0x33>>3),
+ DISPLAY_FILL_LG,
+ 0xff);
+ break;
+ default:
+ display_clear_screen();
+ break;
+ }