LCOM1920-T7G03.old1

#include <lcom/lcf.h>

#include <stdint.h>

int(util_get_LSB)(uint16_t val, uint8_t *lsb) {

  *lsb = (uint8_t) val;             //truncation of 16 bit to 8 bit (maintains the LSB)

  return 0;

}

int(util_get_MSB)(uint16_t val, uint8_t *msb) {

  val= val>>8;                      //8 bit shift, gets rid of LSB

  *msb=(uint8_t)val;                //truncation of 16 bit to 8 bit (this time we have the MSB)

  return 0;

}

int (util_sys_inb)(int port, uint8_t *value) { //transform 8 bit into 32 bit

  uint32_t new_val;                           //initializing 32 bit variable

  if(sys_inb(port,&new_val)!=0){              //verifies if there is an error

      printf("Error in util_sys_inb\n");

      return 1;

  }

  *value=new_val & 0xFF;                      //dereferencing "value"

  return 0;

}