diff options
Diffstat (limited to 'LUFA/Drivers')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Device/CDC.c | 11 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/Class/Host/CDC.c | 16 |
2 files changed, 18 insertions, 9 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/CDC.c b/LUFA/Drivers/USB/Class/Device/CDC.c index 4cdea9485..ade2a1b50 100644 --- a/LUFA/Drivers/USB/Class/Device/CDC.c +++ b/LUFA/Drivers/USB/Class/Device/CDC.c @@ -195,9 +195,14 @@ uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterface if (Endpoint_IsOUTReceived())
{
if (!(Endpoint_BytesInEndpoint()))
- Endpoint_ClearOUT();
-
- return Endpoint_BytesInEndpoint();
+ {
+ Endpoint_ClearOUT();
+ return 0;
+ }
+ else
+ {
+ return Endpoint_BytesInEndpoint();
+ }
}
else
{
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c index cc1ff8a0b..bc8e089a8 100644 --- a/LUFA/Drivers/USB/Class/Host/CDC.c +++ b/LUFA/Drivers/USB/Class/Host/CDC.c @@ -315,12 +315,16 @@ uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo if (Pipe_IsINReceived())
{
if (!(Pipe_BytesInPipe()))
- Pipe_ClearIN();
-
- BytesInPipe = Pipe_BytesInPipe();
- Pipe_Freeze();
-
- return BytesInPipe;
+ {
+ Pipe_ClearIN();
+ Pipe_Freeze();
+ return 0;
+ }
+ else
+ {
+ Pipe_Freeze();
+ return Pipe_BytesInPipe();
+ }
}
else
{
|