X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/41babf1cb78a2a8e05f40f5de61c3f52bb794fc4..ec079c71d89913dd4823fe7ecf22d0d3f42b1e6d:/Demos/Device/ClassDriver/DualCDC/DualCDC.c

diff --git a/Demos/Device/ClassDriver/DualCDC/DualCDC.c b/Demos/Device/ClassDriver/DualCDC/DualCDC.c
index 0de83e1d9..9e3217cf7 100644
--- a/Demos/Device/ClassDriver/DualCDC/DualCDC.c
+++ b/Demos/Device/ClassDriver/DualCDC/DualCDC.c
@@ -99,13 +99,11 @@ int main(void)
 		CheckJoystickMovement();
 
 		/* Discard all received data on the first CDC interface */
-		uint16_t BytesToDiscard = CDC_Device_BytesReceived(&VirtualSerial1_CDC_Interface);
-		while (BytesToDiscard--)
+		while (CDC_Device_BytesReceived(&VirtualSerial1_CDC_Interface))
 		  CDC_Device_ReceiveByte(&VirtualSerial1_CDC_Interface);
 
 		/* Echo all received data on the second CDC interface */
-		uint16_t BytesToEcho = CDC_Device_BytesReceived(&VirtualSerial2_CDC_Interface);
-		while (BytesToEcho--)
+		while (CDC_Device_BytesReceived(&VirtualSerial2_CDC_Interface))
 		  CDC_Device_SendByte(&VirtualSerial2_CDC_Interface, CDC_Device_ReceiveByte(&VirtualSerial2_CDC_Interface));
 		  
 		CDC_Device_USBTask(&VirtualSerial1_CDC_Interface);