hal_delay에서 빠져나오지 못합니다 ㅠㅠ

 
__weak uint32_t HAL_GetTick(void)
{
  return uwTick;
}

 
__weak void HAL_Delay(uint32_t Delay)
{
  uint32_t tickstart = HAL_GetTick();
  uint32_t wait = Delay;
 
  /* Add a freq to guarantee minimum wait */
  if (wait < HAL_MAX_DELAY)
  {
    wait += (uint32_t)(uwTickFreq);
  }
 
  while ((HAL_GetTick() - tickstart) < wait)
  {
  }
}

int bw16_send_cmd ( UART_HandleTypeDef *_uart, uint8_t * _cmd , int _cmdSize)
{
    uint8_t _carriage_return = '\r';
    uint8_t SENDCR1[2] = {0x0d,0x0a};
 
    HAL_UART_Transmit(_uart, _cmd, _cmdSize, 0xff);
    HAL_UART_Transmit(_uart, SENDCR1, 2, 0xff);
 
    HAL_Delay(3000);
 
    return 0; 
}