root / lab4 / utils.h @ 265
History | View | Annotate | Download (1.05 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 |
#endif //UTILS_H_INCLUDED |