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diff --git a/usb/common/core/USBConfigurationOTG.h b/usb/common/core/USBConfigurationOTG.h
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+++ b/usb/common/core/USBConfigurationOTG.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
+/// 
+/// Methods and definitions for configuring OTG.
+/// 
+/// !Usage
+///
+/// -# 
+/// -# 
+///
+//------------------------------------------------------------------------------
+
+#ifndef USBCONFIGURATIONOTG_H
+#define USBCONFIGURATIONOTG_H
+
+#include <usb/otg/compiler.h>
+
+
+/// OTG specific configuration
+typedef struct {
+
+    /// USB MODE CONFIGURATION
+
+    /// ENABLE to activate the host software library support
+    /// Possible values ENABLE or DISABLE
+    unsigned char bOTGUsbHostFeature;
+
+    /// ENABLE to activate the device software library support
+    /// Possible values ENABLE or DISABLE
+    unsigned char bOTGUsbDeviceFeature;
+    /// OTG MODE CONFIGURATION
+    /// ENABLE to enable OTG module (support A- and B- Device roles)
+    /// Possible values ENABLE or DISABLE
+    unsigned char bOTGFeature;
+
+    /// For reduced host only allows to control VBUS generator with PIO PE.7
+    unsigned char bOTGSoftwareVbusCtrl;
+
+    /// Selects the messaging method for OTG No Silent Failure spec.
+    ///
+    /// A compliant OTG device must at least handle 3 Failure messages : 
+    ///   "Device No Response", "Unsupported Device" and "Unsupported Hub"
+    /// Functions must be defined for communicating messages to user (LCD display,
+    /// LEDs...)
+    /// The values available for this parameter are :
+    ///  - OTGMSG_ALL : all messages (events and failures) are displayed
+    ///     In this case, the following functions must be defined in user application firmware :
+    ///       # "void Otg_messaging_init(void)", this function is called at start up to initialize the messaging peripheral
+    ///       # "void Otg_output_failure_msg(U8)", displays the failure message choosen by ID number (see "usb_task.h")
+    ///       # "void Otg_output_failure_clear(void)", clears the current failure message
+    ///       # "void Otg_output_event_msg(U8)", displays the event message choosen by ID number
+    ///       # "void Otg_output_event_clear(void)", clears the current event message
+    ///  - OTGMSG_FAIL : only failure messages are displayed
+    ///     In this case, the following functions must be defined in user application firmware :
+    ///       # "void Otg_messaging_init(void)", this function is called at start up to initialize the messaging peripheral
+    ///       # "void Otg_output_failure_msg(U8)", displays the failure message choosen by ID number (see "usb_task.h")
+    ///       # "void Otg_output_failure_clear(void)", clears the current failure message
+    ///  - OTGMSG_NONE  : messages are not displayed (not OTG compliant device)
+    unsigned char bOTGMessagingOutput;
+
+    /// ENABLE to make the A-Device send a SetFeature(b_hnp_enable) just after a SRP
+    /// has been received
+    /// This feature must be ENABLE to pass the OTG compliance program
+    /// Possible values ENABLE or DISABLE
+    unsigned char bOTGEnableHNPAfterSRP;
+ 
+    /// Selects the SRP pulse for which the A Device will react and rise Vbus
+    /// The value is VBUS_PULSE or DATA_PULSE
+    unsigned char bOTGADevSRPReaction;
+
+} USBGenericOTGDescriptor;
+
+#define     OTGMSG_NONE     0   // no messages displayed
+#define     OTGMSG_FAIL     1   // only failure messages displayed
+#define     OTGMSG_ALL      2   // all messages displayed
+
+#define   VBUS_PULSE    1   // no more used
+#define   DATA_PULSE    0
+
+
+extern USBGenericOTGDescriptor *pOTGDescriptor;
+
+extern void OTG_Initialize(USBGenericOTGDescriptor *pOTGDesc);
+
+
+#endif //#ifndef USBCONFIGURATIONOTG_H
+