-/* Using sw10-PF5 as the hotkey */
-#define KEY_LOOP 0x80000
-#define KEY_DELAY 0x80
-int post_key_pressed(void)
-{
- int i, n;
- unsigned short value;
-
- bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~PF5);
- bfin_write_PORTFIO_DIR(bfin_read_PORTFIO_DIR() & ~PF5);
- bfin_write_PORTFIO_INEN(bfin_read_PORTFIO_INEN() | PF5);
- SSYNC();
-
- post_out_buff("########Press SW10 to enter Memory POST########: 3\0");
- for (i = 0; i < KEY_LOOP; i++) {
- value = bfin_read_PORTFIO() & PF5;
- if (bfin_read_UART0_RBR() == 0x0D) {
- value = 0;
- goto key_pressed;
- }
- if (value != 0)
- goto key_pressed;
- for (n = 0; n < KEY_DELAY; n++)
- asm("nop");
- }
- post_out_buff("\b2\0");
-
- for (i = 0; i < KEY_LOOP; i++) {
- value = bfin_read_PORTFIO() & PF5;
- if (bfin_read_UART0_RBR() == 0x0D) {
- value = 0;
- goto key_pressed;
- }
- if (value != 0)
- goto key_pressed;
- for (n = 0; n < KEY_DELAY; n++)
- asm("nop");
- }
- post_out_buff("\b1\0");
-
- for (i = 0; i < KEY_LOOP; i++) {
- value = bfin_read_PORTFIO() & PF5;
- if (bfin_read_UART0_RBR() == 0x0D) {
- value = 0;
- goto key_pressed;
- }
- if (value != 0)
- goto key_pressed;
- for (n = 0; n < KEY_DELAY; n++)
- asm("nop");
- }
- key_pressed:
- post_out_buff("\b0");
- post_out_buff("\n\r\0");
- if (value == 0)
- return 0;
- post_out_buff("Hotkey has been pressed, Enter POST . . . . . .\n\r\0");
- return 1;
-}
-