Project

General

Profile

Statistics
| Revision:

root / lab3 / utils.c @ 107

History | View | Annotate | Download (580 Bytes)

1
#include <lcom/lcf.h>
2

    
3
#include <stdint.h>
4

    
5
int(util_get_LSB)(uint16_t val, uint8_t *lsb) {
6
    if (lsb == NULL) return 1;
7
    *lsb = val;
8
    return 0;
9
}
10

    
11
int(util_get_MSB)(uint16_t val, uint8_t *msb) {
12
    if (msb == NULL) return 1;
13
    *msb = (val >> 8);
14
    return 0;
15
}
16

    
17
#ifdef LAB3
18
    uint32_t sys_inb_counter = 0;
19
#endif
20

    
21
int (util_sys_inb)(int port, uint8_t *value) {
22
    if(value == NULL) return 1;
23
    uint32_t n = 0;
24
    if(sys_inb(port, &n)) return 1;
25
    *value = n;
26
    #ifdef LAB3
27
        ++sys_inb_counter;
28
    #endif
29
    return 0;
30
}