unleashed-firmware/targets/furi_hal_include/furi_hal_random.h
WillyJL 16b34c6e4d
Explain RNG differences, add FURI_HAL_RANDOM_MAX (#3565)
* Explain RNG differences, add FURI_HAL_RANDOM_MAX
* Mark FURI_HAL_RANDOM_MAX unsigned

Co-authored-by: あく <alleteam@gmail.com>
2024-04-07 23:11:23 +09:00

31 lines
607 B
C

#pragma once
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define FURI_HAL_RANDOM_MAX 0xFFFFFFFFU
/** Initialize random subsystem */
void furi_hal_random_init(void);
/** Get random value
* furi_hal_random_get() gives up to FURI_HAL_RANDOM_MAX
* rand() and random() give up to RAND_MAX
*
* @return 32 bit random value (up to FURI_HAL_RANDOM_MAX)
*/
uint32_t furi_hal_random_get(void);
/** Fill buffer with random data
*
* @param buf buffer pointer
* @param data buffer len
*/
void furi_hal_random_fill_buf(uint8_t* buf, uint32_t len);
#ifdef __cplusplus
}
#endif