/* Function called from USART IRQ Handler when RXNE flag is set Function is in charge of reading character received on USART RX line.  */
void USART_CharReception_Callback(void)
/* Function called from USART IRQ Handler when RXNE flag is set Function is in charge of reading character received on USART RX line.  */
void USART_CharReception_Callback(void)
{
__IO uint32_t received_char;
  received_char = LL_USART_ReceiveData8(USARTx_INSTANCE);
  if ((received_char == 'S') || (received_char == 's'))
  {
    LED_On();
  }
  LL_USART_TransmitData8(USARTx_INSTANCE, received_char);
}