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diff --git a/at91lib/usb/device/cdc-serial/CDCDSerialDriver.h b/at91lib/usb/device/cdc-serial/CDCDSerialDriver.h
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+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support 
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+ \unit
+
+ !!!Purpose
+
+ Definition of a class for implementing a USB device CDC serial driver.
+
+ !!!Usage
+
+ -# Re-implement the USBDCallbacks_RequestReceived method to pass
+    received requests to CDCDSerialDriver_RequestHandler. *This is
+    automatically done unless the NOAUTOCALLBACK symbol is defined*.
+ -# Initialize the CDC serial and USB drivers using
+    CDCDSerialDriver_Initialize.
+ -# Logically connect the device to the host using USBD_Connect.
+ -# Send serial data to the USB host using CDCDSerialDriver_Write.
+ -# Receive serial data from the USB host using CDCDSerialDriver_Read.
+*/
+
+#ifndef CDCDSERIALDRIVER_H
+#define CDCDSERIALDRIVER_H
+
+//------------------------------------------------------------------------------
+//         Headers
+//------------------------------------------------------------------------------
+
+#include <usb/common/core/USBGenericRequest.h>
+#include <usb/device/core/USBD.h>
+
+//------------------------------------------------------------------------------
+//         Definitions
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+/// \page "CDC Serial Port States"
+/// This page lists the bit map for CDC Serial Port States.
+///
+/// !BitMaps
+/// - CDCDSerialDriver_STATE_RXDRIVER
+/// - CDCDSerialDriver_STATE_TXCARRIER
+/// - CDCDSerialDriver_STATE_BREAK
+/// - CDCDSerialDriver_STATE_RINGSIGNAL
+/// - CDCDSerialDriver_STATE_FRAMING
+/// - CDCDSerialDriver_STATE_PARITY
+/// - CDCDSerialDriver_STATE_OVERRUN
+
+/// Indicates the receiver carrier signal is present.
+#define CDCDSerialDriver_STATE_RXDRIVER         (1 << 0)
+/// Indicates the transmission carrier signal is present.
+#define CDCDSerialDriver_STATE_TXCARRIER        (1 << 1)
+/// Indicates a break has been detected.
+#define CDCDSerialDriver_STATE_BREAK            (1 << 2)
+/// Indicates a ring signal has been detected.
+#define CDCDSerialDriver_STATE_RINGSIGNAL       (1 << 3)
+/// Indicates a framing error has occured.
+#define CDCDSerialDriver_STATE_FRAMING          (1 << 4)
+/// Indicates a parity error has occured.
+#define CDCDSerialDriver_STATE_PARITY           (1 << 5)
+/// Indicates a data overrun error has occured.
+#define CDCDSerialDriver_STATE_OVERRUN          (1 << 6)
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+//      Exported functions
+//------------------------------------------------------------------------------
+
+extern void CDCDSerialDriver_Initialize();
+
+extern void CDCDSerialDriver_RequestHandler(const USBGenericRequest *request);
+
+extern unsigned char CDCDSerialDriver_Write(
+    void *data,
+    unsigned int size,
+    TransferCallback callback,
+    void *argument);
+
+extern unsigned char CDCDSerialDriver_Read(
+    void *data,
+    unsigned int size,
+    TransferCallback callback,
+    void *argument);
+
+extern unsigned short CDCDSerialDriver_GetSerialState();
+
+extern void CDCDSerialDriver_SetSerialState(unsigned short serialState);
+
+#endif //#ifndef CDCSERIALDRIVER_H
+