- /* flush if \n and \r do not fit in the tx buffer */
- if(i>14)
- while(!(UART0_LSR&(1<<6)))
- continue;
-
- UART0_THR='\n';
- UART0_THR='\r';
-
- /* flush uart0 anyways */
- while(!(UART0_LSR&(1<<6)))
- continue;
-}
-
-void uart0_send_buf16(u16 *buf,int len) {
-
- int i;
-
- i=0;
-
- for(i=0;i<len/2;i++) {
- if(!(i%8))
- while(!(UART0_LSR&(1<<6)))
- continue;
- UART0_THR=buf[i]&0xff;
- UART0_THR=(buf[i]>>8)&0xff;
- }
-}
-
-void uart0_send_buf32(u32 *buf,int len) {
-
- int i;
-
- i=0;
-
- for(i=0;i<len/4;i++) {
- if(!(i%4))
- while(!(UART0_LSR&(1<<6)))
- continue;
- UART0_THR=buf[i]&0xff;
- UART0_THR=(buf[i]>>8)&0xff;
- UART0_THR=(buf[i]>>16)&0xff;
- UART0_THR=(buf[i]>>24)&0xff;
+ while(1) {
+ pause(0x0fffff);
+
+ /* button test! */
+ if(button_get_event(&button)) {
+ //uart0_send_string(announce);
+ uart0_send_byte(contrast);
+ switch(button.key[0]) {
+ case BUTTON_POWER:
+ display_load_logo(0);
+ 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,
+ 0);
+ break;
+ case BUTTON_2:
+ display_draw_rectangle(50,50,40,40,
+ DISPLAY_FILL_LG,
+ 0);
+ break;
+ default:
+ display_clear_screen();
+ break;
+ }
+ }