/*
 * Copyright 2010 Michael Ossmann
 *
 * This file is part of Project Ubertooth.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

/*
	LPCUSB, an USB device driver for LPC microcontrollers	
	Copyright (C) 2006 Bertrik Sikken (bertrik@sikken.nl)

	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 the author may not be used to endorse or promote products
	   derived from this software without specific prior written permission.

	THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/

#include "usbapi.h"

#define LE_WORD(x)               ((x)&0xFF),((x)>>8)

#define INT_IN_EP       0x81
#define BULK_OUT_EP     0x05
#define BULK_IN_EP      0x82
#define CS_INTERFACE    0x24
#define MAX_PACKET_SIZE 64

#define SET_LINE_CODING         0x20
#define GET_LINE_CODING         0x21
#define SET_CONTROL_LINE_STATE  0x22

#define EOF -1

// data structure for GET_LINE_CODING / SET_LINE_CODING class requests
typedef struct {
	U32 dwDTERate;
	U8  bCharFormat;
	U8  bParityType;
	U8  bDataBits;
} TLineCoding;

static BOOL HandleClassRequest(TSetupPacket *pSetup, int *piLen, U8 **ppbData);
static void BulkOut(U8 bEP, U8 bEPStatus);
static void SendNextBulkIn(U8 bEP, BOOL fFirstPacket);
static void BulkIn(U8 bEP, U8 bEPStatus);
static void USBFrameHandler(U16 wFrame);
static void USBDevIntHandler(U8 bDevStatus);
void VCOM_init(void);
int VCOM_putchar(int c);
int VCOM_getchar(void);
void USB_IRQHandler(void);
void usb_serial_init(void);