micropython/stmhal/rng.c

26 wiersze
508 B
C

#include "stm32f4xx_hal.h"
#include "misc.h"
#include "mpconfig.h"
#include "qstr.h"
#include "obj.h"
#include "rng.h"
STATIC RNG_HandleTypeDef RngHandle;
void rng_init(void) {
__RNG_CLK_ENABLE();
RngHandle.Instance = RNG;
HAL_RNG_Init(&RngHandle);
}
uint32_t rng_get(void) {
return HAL_RNG_GetRandomNumber(&RngHandle);
}
STATIC mp_obj_t pyb_rng_get(void) {
return mp_obj_new_int(HAL_RNG_GetRandomNumber(&RngHandle) >> 2);
}
MP_DEFINE_CONST_FUN_OBJ_0(pyb_rng_get_obj, pyb_rng_get);