Revision 68
working decently
| utils.c | ||
|---|---|---|
| 1 | 1 |
#include <lcom/lcf.h> |
| 2 | 2 |
|
| 3 |
#include "utils.h" |
|
| 4 |
|
|
| 3 | 5 |
#include <stdint.h> |
| 6 |
#include "errors.h" |
|
| 4 | 7 |
|
| 5 | 8 |
int(util_get_LSB)(uint16_t val, uint8_t *lsb) {
|
| 6 |
if (lsb == NULL) return 1;
|
|
| 9 |
if (lsb == NULL) return NULL_PTR;
|
|
| 7 | 10 |
*lsb = val; |
| 8 |
return 0;
|
|
| 11 |
return SUCCESS;
|
|
| 9 | 12 |
} |
| 10 | 13 |
|
| 11 | 14 |
int(util_get_MSB)(uint16_t val, uint8_t *msb) {
|
| 12 |
if (msb == NULL) return 1;
|
|
| 15 |
if (msb == NULL) return NULL_PTR;
|
|
| 13 | 16 |
*msb = (val >> 8); |
| 14 |
return 0;
|
|
| 17 |
return SUCCESS;
|
|
| 15 | 18 |
} |
| 16 | 19 |
|
| 17 | 20 |
#ifdef LAB3 |
| ... | ... | |
| 19 | 22 |
#endif |
| 20 | 23 |
|
| 21 | 24 |
int (util_sys_inb)(int port, uint8_t *value) {
|
| 22 |
if(value == NULL) return 1;
|
|
| 25 |
if(value == NULL) return NULL_PTR;
|
|
| 23 | 26 |
uint32_t n = 0; |
| 24 |
if(sys_inb(port, &n)) return 1;
|
|
| 27 |
if(sys_inb(port, &n)) return READ_ERROR;
|
|
| 25 | 28 |
*value = n; |
| 26 | 29 |
#ifdef LAB3 |
| 27 | 30 |
++sys_inb_counter; |
| 28 | 31 |
#endif |
| 29 |
return 0;
|
|
| 32 |
return SUCCESS;
|
|
| 30 | 33 |
} |
Also available in: Unified diff