xsync_stm32/iflytop_xsync/xs_id.c

#include "xs_id.h"

#include "main.h"
#include "rng.h"

extern RNG_HandleTypeDef hrng;

void xs_id_generate_random_mac(mac_t* id) {
  id->mac[0] = 0x00;  // 00 80 E1 ��STM32��MAC��ַǰ��λ
  id->mac[1] = 0x80;
  id->mac[2] = 0xE1;

  uint32_t random0 = 0;
  uint32_t random1 = 0;
  uint32_t random2 = 0;
  HAL_RNG_GenerateRandomNumber(&hrng, &random0);
  HAL_RNG_GenerateRandomNumber(&hrng, &random1);
  HAL_RNG_GenerateRandomNumber(&hrng, &random2);

  id->mac[3] = random0 % 256;
  id->mac[4] = random1 % 256;
  id->mac[5] = random2 % 256;
}
void xs_id_get_uuid(device_id_t* id) {
  // UID_BASE
  uint8_t* uid_base = (uint8_t*)UID_BASE;
  for (int32_t i = 0; i < 12; i++) {
    id->id[i] = uid_base[i];
  }
  return;
}