/* Function called at completion of last byte transmission.  */
void USART_CharTransmitComplete_Callback(void)
/* Function called at completion of last byte transmission.  */
void USART_CharTransmitComplete_Callback(void)
{
  if(ubSend == sizeof(aStringToSend))
  {
    ubSend = 0;
    LL_USART_DisableIT_TC(USARTx_INSTANCE);
    LED_On();
  }
}