/* Wait for User push-button press to start transfer.  */
void WaitForUserButtonPress(void)
/* Wait for User push-button press to start transfer.  */
void WaitForUserButtonPress(void)
{
  while (ubButtonPress == 0)
  {
    LL_GPIO_TogglePin(LED1_GPIO_PORT, LED1_PIN);
    LL_mDelay(LED_BLINK_FAST);
  }
  ubButtonPress = 0;
}