ble_st

void SdkEvalComUartIrqConfig(FunctionalState EnableIrq)

void UART_Handler(void)
{  
  if (UART_GetITStatus(UART_IT_RX) != RESET)
  {
    /* Clear the interrupt */
    UART_ClearITPendingBit(UART_IT_RX);
    
    /* Echo of received data */
    UART_SendData((UART_ReceiveData() & 0xFF));
  }
}