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root / lab4 / utils.c @ 75

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#include <lcom/lcf.h>
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#include "utils.h"
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#include <stdint.h>
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#include "errors.h"
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int(util_get_LSB)(uint16_t val, uint8_t *lsb) {
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    if (lsb == NULL) return NULL_PTR;
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    *lsb = val;
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    return SUCCESS;
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}
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int(util_get_MSB)(uint16_t val, uint8_t *msb) {
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    if (msb == NULL) return NULL_PTR;
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    *msb = (val >> 8);
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    return SUCCESS;
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}
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#ifdef LAB3
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    uint32_t sys_inb_counter = 0;
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#endif
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int (util_sys_inb)(int port, uint8_t *value) {
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    if(value == NULL) return NULL_PTR;
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    uint32_t n = 0;
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    if(sys_inb(port, &n)) return READ_ERROR;
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    *value = n;
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    #ifdef LAB3
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        ++sys_inb_counter;
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    #endif
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    return SUCCESS;
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}