X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/d90ef9aa2f97a5f8b5fd2cf0bd9564025d069f6e..3642ea0b9715cdf0196b10c9fc97898940eaefa6:/Projects/USBtoSerial/USBtoSerial.c

diff --git a/Projects/USBtoSerial/USBtoSerial.c b/Projects/USBtoSerial/USBtoSerial.c
index b51c7c258..266592b14 100644
--- a/Projects/USBtoSerial/USBtoSerial.c
+++ b/Projects/USBtoSerial/USBtoSerial.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2014.
+     Copyright (C) Dean Camera, 2015.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2014  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2015  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -194,7 +194,7 @@ ISR(USART1_RX_vect, ISR_BLOCK)
 {
 	uint8_t ReceivedByte = UDR1;
 
-	if (USB_DeviceState == DEVICE_STATE_Configured)
+	if ((USB_DeviceState == DEVICE_STATE_Configured) && !(RingBuffer_IsFull(&USARTtoUSB_Buffer)))
 	  RingBuffer_Insert(&USARTtoUSB_Buffer, ReceivedByte);
 }