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 = (uint8_t)val;

    return SUCCESS;

}

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

    if (msb == NULL) return NULL_PTR;

    *msb = (val >> 8);

    return SUCCESS;

}

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 = (uint8_t)n;

    return SUCCESS;

}

int (unsubscribe_interrupt)(int *interrupt_id) {

    if (interrupt_id == NULL) return NULL_PTR;

    if(sys_irqrmpolicy(interrupt_id)) return UNSBCR_ERROR;

    return SUCCESS;

}

int16_t min16(int16_t a, int16_t b){ return (b < a ? b : a); }

uint16_t umin16(uint16_t a, uint16_t b){ return (b < a ? b : a); }

int32_t min32(int32_t a, int32_t b){ return (b < a ? b : a); }

double  dmin (double  a, double  b){ return (b < a ? b : a); }

int16_t max16(int16_t a, int16_t b){ return (a < b ? b : a); }

uint16_t umax16(uint16_t a, uint16_t b){ return (a < b ? b : a); }

int32_t max32(int32_t a, int32_t b){ return (a < b ? b : a); }

double  dmax (double  a, double  b){ return (a < b ? b : a); }

double dabs(double a)          { return (a < 0 ? -a: a); }

int deq(double a, double b){ return (dabs(a-b) < 1e-10 ? true : false); }