root / lab5 / utils.h @ 201
History | View | Annotate | Download (1.12 KB)
1 |
#ifndef UTILS_H_INCLUDED
|
---|---|
2 |
#define UTILS_H_INCLUDED
|
3 |
|
4 |
/**
|
5 |
* @brief Gets the least significant byte of a 16-bit variable
|
6 |
* @param val 16-bit variable
|
7 |
* @param lsb Pointer to a 8-bit variable to store the value of the LSB
|
8 |
* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
|
9 |
*/
|
10 |
int(util_get_LSB)(uint16_t val, uint8_t *lsb);
|
11 |
|
12 |
/**
|
13 |
* @brief Gets the most significant byte of a 16-bit variable
|
14 |
* @param val 16-bit variable
|
15 |
* @param lsb Pointer to a 8-bit variable to store the value of the MSB
|
16 |
* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
|
17 |
*/
|
18 |
int(util_get_MSB)(uint16_t val, uint8_t *msb);
|
19 |
|
20 |
#ifdef LAB3
|
21 |
uint32_t sys_inb_counter; |
22 |
#endif
|
23 |
|
24 |
/**
|
25 |
* @brief sys_inb wrapper
|
26 |
* @param port Port to read from
|
27 |
* @param value Pointer to byte to store value read
|
28 |
* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
|
29 |
*/
|
30 |
int (util_sys_inb)(int port, uint8_t *value); |
31 |
|
32 |
int16_t min(int16_t a, int16_t b); |
33 |
int16_t max(int16_t a, int16_t b); |
34 |
|
35 |
|
36 |
#endif //UTILS_H_INCLUDED |