LCOM1920-T02G10

#include <lcom/lcf.h>

#include <minix/sysutil.h>

#include <lcom/lab3.h>

#include <stdbool.h>

#include <stdint.h>

//#include <timer.c>

#define IRQ_KB 1

#define DELAY_US 20000

#define EXIT_CODE 0x81

#define I_O_BUFFER 0x60

static uint32_t scancode;

int main(int argc, char *argv[]) {

  // sets the language of LCF messages (can be either EN-US or PT-PT)

  lcf_set_language("EN-US");

  // enables to log function invocations that are being "wrapped" by LCF

  // [comment this out if you don't want/need it]

  lcf_trace_calls("/home/lcom/labs/lab3/trace.txt");

  // enables to save the output of printf function calls on a file

  // [comment this out if you don't want/need it]

  lcf_log_output("/home/lcom/labs/lab3/output.txt");

  // handles control over to LCF

  // [LCF handles command line arguments and invokes the right function]

  if (lcf_start(argc, argv))

    return 1;

  // LCF clean up tasks

  // [must be the last statement before return]

  lcf_cleanup();

  return 0;

}

void (kbc_ih)()

{

  sys_inb(I_O_BUFFER, &scancode);

}

int(kbd_test_scan)() {

  /* To be completed by the students */

  int ipc_status;

  uint8_t r, bit_no=0;

  message msg;

  int hook_id=bit_no;

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

  scan_arr[0]=scancode & 0xFF;

  scan_arr[1]=scancode & 0xFF00;

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

  //kbc_ih();

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

   while( 1)//(scancode & 0xFF) != EXIT_CODE )

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

     /* Get a request message. */

     // printf("1\n");

     //printf("cont:%d, time:%d\n\n",cont/60,time);

     if ( (r = driver_receive(ANY, &msg, &ipc_status)) != 0 ) 

     { 

        printf("driver_receive failed with: %d", r);

       continue;

    }

    if (is_ipc_notify(ipc_status)) { /* received notification */

        switch (_ENDPOINT_P(msg.m_source)) {

            case HARDWARE: /* hardware interrupt notification */                                

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

                   kbd_print_scancode((scancode & 0xFF & 0x80),2,scan_arr );

               }

                //printf("msg:%x\n",msg.m_notify.interrupts);

                break;

            default:

                //printf("2\n");

                break; /* no other notifications expected: do nothing */        

        }

    } else {

     // printf("3\n"); /* received a standard message, not a notification */

        /* no standard messages expected: do nothing */

    }

 }

 if(timer_unsubscribe_int()!=0) return 1;

sys_irqrmpolicy(&hook_id);

  return 0;

}

int(kbd_test_poll)() {

  /* To be completed by the students */

  printf("%s is not yet implemented!\n", __func__);

  return 1;

}

int(kbd_test_timed_scan)(uint8_t n) {

  /* To be completed by the students */

  printf("%s is not yet implemented!\n", __func__);

  return 1;

}