LCOM1920-T02G10

# additional compilation flags

# "-Wall -Wextra -Werror -I . -std=c11 -Wno-unused-parameter" are already set

CFLAGS += -pedantic

# list of library dependencies (for Lab 2, only LCF library)

DPADD += ${LIBLCF}

#include <stdint.h>

//#include <timer.c>

#define IRQ_KB 1

#define DELAY_US 20000

#define EXIT_CODE 0x81

  scan_arr[0] = scancode & 0xFF;

  scan_arr[1] = scancode & 0xFF00;

  int flag = 0;

  printf("%d\n",

         sys_irqsetpolicy(IRQ_KB, IRQ_REENABLE | IRQ_EXCLUSIVE, &hook_id));

  sys_outb(0x64, scancode); */

  printf("%x\n", scancode);

  printf("\n");

  while (scancode !=

         EXIT_CODE) { /* You may want to use a different condition */

      case HARDWARE: /* hardware interrupt notification */

        if (msg.m_notify.interrupts & BIT(0)) { /* subscribed interrupt */

          sys_inb(0x64, &scancode);

          if (scancode & 0x01) {

            sys_inb(0x60, &scancode);

          if (scancode != 0xe0 && flag == 0) {

            // tickdelay(micros_to_ticks(DELAY_US));

      /* no standard messages expected: do nothing */

    }

  }

  if (sys_irqrmpolicy(&hook_id) != 0)

    return 1;

  /* To be completed by the students */

  uint8_t scan_arr[2] = {0, 0};

  int flag = 0;

  while(scancode != EXIT_CODE)

  {

    tickdelay(micros_to_ticks(DELAY_US));

    sys_inb(0x64, &scancode);

          if (scancode & 0x01) {

            sys_inb(0x60, &scancode);

          if (scancode != 0xe0 && flag == 0) {

            scan_arr[0] = scancode;

        }

  }

  return 1;

}