LCOM1920-T5G03

#include <lcom/lcf.h>

#include "utils.h"

#include <stdint.h>

#include "errors.h"

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

    if (lsb == NULL) return NULL_PTR;

    *lsb = val;

    return SUCCESS;

}

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

    if (msb == NULL) return NULL_PTR;

    *msb = (val >> 8);

    return SUCCESS;

}

#ifdef LAB3

    uint32_t sys_inb_counter = 0;

#endif

int (util_sys_inb)(int port, uint8_t *value) {

    if(value == NULL) return NULL_PTR;

    uint32_t n = 0;

    if(sys_inb(port, &n)) return READ_ERROR;

    *value = n;

    #ifdef LAB3

        ++sys_inb_counter;

    #endif

    return SUCCESS;

}

int16_t abs16(int16_t x) {

    return (x >= 0) ? (int16_t)(x) : (int16_t)(-x);

}