/*
 * at91sam7s USB CDC device implementation
 *
 * Copyright (c) 2012, Roel Verdult
 * All rights reserved.
 *
 * 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. Neither the name of the copyright holders nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS 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.
 *
 * based on the "Basic USB Example" from ATMEL (doc6123.pdf)
 *
 * @file usb_cdc.c
 * @brief
 */

#ifndef _USB_CDC_H_
#define _USB_CDC_H_

#include <wchar.h>
#include "at91sam7s512.h"
#include "config_gpio.h"
#include "common.h"

void usb_disable();
void usb_enable();
bool usb_check();
bool usb_poll();
bool usb_poll_validate_length();
uint32_t usb_read(byte_t* data, size_t len);
uint32_t usb_write(const byte_t* data, const size_t len);

typedef const struct __attribute__((__packed__)) {
	const uint32_t dwLength;
	const uint16_t bcdVersion;
	const uint16_t wIndex;
	const uint16_t wCount;

	const uint32_t dwSize;
	const uint32_t dwPropertyDataType;
	const uint16_t wPropertyNameLength;
	const wchar_t bPropertyName[20];
	const uint32_t dwPropertyDataLength;
	const wchar_t bPropertyData[39];

	const uint32_t dwSize2;
	const uint32_t dwPropertyDataType2;
	const uint16_t wPropertyNameLength2;
	const wchar_t bPropertyName2[6];
	const uint32_t dwPropertyDataLength2;
	const wchar_t bPropertyData2[19];

	const uint32_t dwSize3;
	const uint32_t dwPropertyDataType3;
	const uint16_t wPropertyNameLength3;
	const wchar_t bPropertyName3[6];
	const uint32_t dwPropertyDataLength3;
	const wchar_t bPropertyData3[39];
} g_sOSProperties;

extern const g_sOSProperties g_pOSProperties;

#endif // _USB_CDC_H_