+       if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
+         return ENDPOINT_READYWAIT_NoError;\r
+\r
+       uint8_t ErrorCode;\r
+\r
+       Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);\r
+\r
+       if (!(Endpoint_BytesInEndpoint()))\r
+         return ENDPOINT_READYWAIT_NoError;\r
+       \r
+       bool BankFull = !(Endpoint_IsReadWriteAllowed());\r
+       \r
+       Endpoint_ClearIN();\r
+       \r
+       if (BankFull)\r
+       {\r
+               if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)\r
+                 return ErrorCode;\r
+\r
+               Endpoint_ClearIN();\r
+       }\r
+       \r
+       return ENDPOINT_READYWAIT_NoError;\r
+}\r
+\r
+uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)\r
+{\r
+       if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
+         return 0;\r
+\r
+       Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);\r
+\r
+       if (Endpoint_IsOUTReceived() && !(Endpoint_BytesInEndpoint()))\r
+         Endpoint_ClearOUT();\r