X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b71ff7c8cd68209a74c8690f4d190cc634ef8fb3..3a85962f94eccfa86a5db46899bddeaceb79fee6:/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c

diff --git a/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c b/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c
index 141a45276..d5e871c2d 100644
--- a/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c
+++ b/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c
@@ -296,9 +296,11 @@ void CDC_Task(void)
  */
 ISR(USART1_RX_vect, ISR_BLOCK)
 {
+	uint8_t ReceivedByte = UDR1;
+
 	/* Only store received characters if the USB interface is connected */
 	if ((USB_DeviceState != DEVICE_STATE_Configured) && LineEncoding.BaudRateBPS)
-	  Buffer_StoreElement(&Tx_Buffer, UDR1);
+	  Buffer_StoreElement(&Tx_Buffer, ReceivedByte);
 }
 
 /** Reconfigures the USART to match the current serial port settings issued by the host as closely as possible. */