return ErrorCode;
        }
 
-       Pipe_Write_Byte(Data);
+       Pipe_Write_8(Data);
        Pipe_Freeze();
 
        return PIPE_READYWAIT_NoError;
        if (Pipe_IsINReceived())
        {
                if (Pipe_BytesInPipe())
-                 ReceivedByte = Pipe_Read_Byte();
+                 ReceivedByte = Pipe_Read_8();
 
                if (!(Pipe_BytesInPipe()))
                  Pipe_ClearIN();
        return PIPE_READYWAIT_NoError;
 }
 
+#if defined(FDEV_SETUP_STREAM)
 void CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
                            FILE* const Stream)
 {
 
        return ReceivedByte;
 }
+#endif
 
 void CDC_Host_Event_Stub(void)
 {