X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/189d0c7e669b6a3d07ed35c1eaa0bfc8cbc7a729..7f81803aaa312d589f79a77d1426150dcceb29f7:/Demos/Host/LowLevel/CDCHost/CDCHost.c

diff --git a/Demos/Host/LowLevel/CDCHost/CDCHost.c b/Demos/Host/LowLevel/CDCHost/CDCHost.c
index e00332f9f..b3e067418 100644
--- a/Demos/Host/LowLevel/CDCHost/CDCHost.c
+++ b/Demos/Host/LowLevel/CDCHost/CDCHost.c
@@ -176,10 +176,14 @@ void CDC_Host_Task(void)
 		case HOST_STATE_Ready:
 			/* Select and the data IN pipe */
 			Pipe_SelectPipe(CDC_DATAPIPE_IN);
+			Pipe_Unfreeze();
 
 			/* Check to see if a packet has been received */
 			if (Pipe_IsINReceived())
 			{
+				/* Re-freeze IN pipe after the packet has been received */
+				Pipe_Freeze();
+
 				/* Check if data is in the pipe */
 				if (Pipe_IsReadWriteAllowed())
 				{
@@ -199,6 +203,9 @@ void CDC_Host_Task(void)
 				Pipe_ClearIN();
 			}
 
+			/* Re-freeze IN pipe after use */
+			Pipe_Freeze();
+
 			/* Select and unfreeze the notification pipe */
 			Pipe_SelectPipe(CDC_NOTIFICATIONPIPE);
 			Pipe_Unfreeze();