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/**
* \file
*
* \brief SAM USB Dual Role driver header file.
*
* Copyright (c) 2014-2015 Atmel Corporation. All rights reserved.
*
* \asf_license_start
*
* \page License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an
* Atmel microcontroller product.
*
* 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
* EXPRESSLY AND SPECIFICALLY 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.
*
* \asf_license_stop
*
*/
/*
* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
*/
#ifndef _USB_DUAL_H_
#define _USB_DUAL_H_
#include "compiler.h"
#include "preprocessor.h"
/* Get USB pads pins configuration in board configuration */
#include "conf_board.h"
#include "board.h"
#include "extint.h"
#include "port.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* \ingroup usb_group
* \defgroup usb_dual_group USB dual role driver
* USB low-level driver for dual role features
*
* @{
*/
bool usb_dual_enable(void);
void usb_dual_disable(void);
/**
* @name USB ID pin management
*
* The ID pin come from the USB connector (A and B receptable) and
* allows to select the USB mode between host or device.
* The ID pin can be managed through EIC pin.
* This feature is optional, and it is enabled if USB_ID_PIN
* is defined in board.h and CONF_BOARD_USB_ID_DETECT defined in
* conf_board.h.
*
* @{
*/
#define USB_ID_DETECT (defined(CONF_BOARD_USB_ID_DETECT))
#define USB_ID_EIC (defined(USB_ID_PIN) && USB_ID_DETECT)
/** @} */
/**
* @name USB Vbus management
*
* The VBus line can be monitored through a EIC pin and
* a basic resistor voltage divider.
* This feature is optional, and it is enabled if USB_VBUS_PIN
* is defined in board.h and CONF_BOARD_USB_VBUS_DETECT defined in
* conf_board.h.
*
* @{
*/
#define USB_VBUS_DETECT (defined(CONF_BOARD_USB_VBUS_DETECT))
#define USB_VBUS_EIC (defined(USB_VBUS_PIN) && USB_VBUS_DETECT)
/** @} */
/** @} */
#ifdef __cplusplus
}
#endif
#endif // _USB_DUAL_H_
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