diff options
Diffstat (limited to 'Demos/Host/LowLevel/CDCHost/CDCHost.c')
| -rw-r--r-- | Demos/Host/LowLevel/CDCHost/CDCHost.c | 7 |
1 files changed, 7 insertions, 0 deletions
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();
|