Fix issue in CDC device class driver where received data the size of the data endpoin...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Device / CDC.c

diff --git a/LUFA/Drivers/USB/Class/Device/CDC.c b/LUFA/Drivers/USB/Class/Device/CDC.c
index 0d6b378..47290ce 100644 (file)
--- a/LUFA/Drivers/USB/Class/Device/CDC.c
+++ b/LUFA/Drivers/USB/Class/Device/CDC.c
@@ -161,6 +161,9 @@ uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterface
 {\r
        Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);\r
 \r
 {\r
        Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);\r
 \r

+       if (Endpoint_IsOUTReceived() && !(Endpoint_BytesInEndpoint()))\r
+         Endpoint_ClearOUT();\r
+\r

        return Endpoint_BytesInEndpoint();\r
 }\r
 \r
        return Endpoint_BytesInEndpoint();\r
 }\r
 \r