/*
  USBAPI.h
  Copyright (c) 2005-2014 Arduino.  All right reserved.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library 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
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */

#ifndef __USBAPI__
#define __USBAPI__

#include <inttypes.h>
#include <avr/pgmspace.h>
#include <avr/eeprom.h>
#include <avr/interrupt.h>
#include <util/delay.h>

typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned long u32;

#include "Arduino.h"

#if defined(USBCON)

#include "USBDesc.h"
#include "USBCore.h"

//================================================================================
//================================================================================
//	USB

class USBDevice_
{
public:
	USBDevice_();
	bool configured();

	void attach();
	void detach();	// Serial port goes down too...
	void poll();
};
extern USBDevice_ USBDevice;

//================================================================================
//================================================================================
//	MSC 'Driver'

int		MSC_GetInterface(uint8_t* interfaceNum);
int		MSC_GetDescriptor(int i);
bool	MSC_Setup(Setup& setup);
bool	MSC_Data(uint8_t rx, uint8_t tx);

//================================================================================
//================================================================================
//	CSC 'Driver'

int		CDC_GetInterface(uint8_t* interfaceNum);
int		CDC_GetDescriptor(int i);
bool	CDC_Setup(Setup& setup);
void CDC_LineEncodingEvent(void);
void CDC_LineStateEvent(void);

//================================================================================
//================================================================================

#define TRANSFER_PGM		0x80
#define TRANSFER_RELEASE	0x40
#define TRANSFER_ZERO		0x20

int USB_SendControl(uint8_t flags, const void* d, int len);
int USB_RecvControl(void* d, int len);

uint8_t	USB_Available(uint8_t ep);
int USB_Send(uint8_t ep, const void* data, int len);	// blocking
int USB_Recv(uint8_t ep, void* data, int len);		// non-blocking
int USB_Recv(uint8_t ep);							// non-blocking
void USB_Flush(uint8_t ep);

#endif

#endif /* if defined(USBCON) */