static int kbd_cmd_read(int cmd)
{
if (kbd_write(I8042_CMD_REG, cmd))
return -1;
return kbd_read(I8042_DATA_REG);
}
void handle_interrupt() {
uint8_t scan_code = kbd_read();
char character = kbd_scan_code_to_ascii(scan_code);
char message2[2] = { character, '\0' };
write(message2);
pic_acknowledge();
}
/*
void test(void)
{
window win;
char name[10]="window";
clearscreen();
win_init(&win,1,1,10,40,name,blightgray|fwhite,blightgray|fblack);
win_create(&win);
win_putchar(&win,'n');
win_putchar(&win,'\n');
int i;
for(i=0;i<7;i++)
win_putstring(&win,"testing win_putstring\n");/
for(i=0;i<4;i++)//
win_putstring(&win,"new line\n");
}
*/
int main(struct multiboot *mboot_ptr)
{
welcome();
init_descriptor_tables();
asm volatile("sti");
init_timer(1);
wait(1);
win_clear(&win_boot);
win_putstring(&win_boot,"\ninitializing timer...\t");
wait(1);
win_putstring(&win_boot," done");
win_putstring(&win_boot,"\ninitializing keyboard...\t");
init_kbd();
wait(1);
win_putstring(&win_boot," done");
win_putstring(&win_boot,"\npress any key to continue...\n");
u8int s,a;
kbd_read(&s,&a);
clearscreen();
terminal();
while(1);
return 0;
}
static int kbd_reset(int quirk)
{
int config;
/* controller self test */
if (kbd_cmd_read(CMD_SELF_TEST) != KBC_TEST_OK)
goto err;
/* keyboard reset */
if (kbd_write(I8042_DATA_REG, CMD_RESET_KBD) ||
kbd_read(I8042_DATA_REG) != KBD_ACK ||
kbd_read(I8042_DATA_REG) != KBD_POR)
goto err;
if (kbd_write(I8042_DATA_REG, CMD_DRAIN_OUTPUT) ||
kbd_read(I8042_DATA_REG) != KBD_ACK)
goto err;
/* set AT translation and disable irq */
config = kbd_cmd_read(CMD_RD_CONFIG);
if (config == -1)
goto err;
/* Sometimes get a second byte */
else if ((quirk & QUIRK_DUP_POR) && config == KBD_POR)
config = kbd_cmd_read(CMD_RD_CONFIG);
config |= CONFIG_AT_TRANS;
config &= ~(CONFIG_KIRQ_EN | CONFIG_MIRQ_EN);
if (kbd_cmd_write(CMD_WR_CONFIG, config))
goto err;
/* enable keyboard */
if (kbd_write(I8042_CMD_REG, CMD_KBD_EN) ||
!kbd_input_empty())
goto err;
return 0;
err:
debug("%s: Keyboard failure\n", __func__);
return -1;
}
void run_shell(void)
{
int cnt;
while (1)
{
puts("eash$> ");
while ((cnt = kbd_read(buff, 254)) <= 0)
;
buff[--cnt] = 0;
if (*buff)
if (command_exec(buff) == -1)
puts("Command not found.\n");
}
}
