/*

    ccid_usb.h:  USB access routines using the libusb library

    Copyright (C) 2003-2010   Ludovic Rousseau

    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 Street, Fifth Floor, Boston, MA 02110-1301 USA.

*/

#ifndef __CCID_USB_H__

#define __CCID_USB_H__

status_t OpenUSB(unsigned int reader_index, int channel);

status_t OpenUSBByName(unsigned int reader_index, /*@null@*/ char *device);

status_t WriteUSB(unsigned int reader_index, unsigned int length,

	unsigned char *Buffer);

status_t ReadUSB(unsigned int reader_index, unsigned int *length,

	/*@out@*/ unsigned char *Buffer);

status_t CloseUSB(unsigned int reader_index);

#include <libusb.h>

/*@null@*/ const struct libusb_interface *get_ccid_usb_interface(

	struct libusb_config_descriptor *desc, int *num);

const unsigned char *get_ccid_device_descriptor(const struct libusb_interface *usb_interface);

int ControlUSB(int reader_index, int requesttype, int request, int value,

	unsigned char *bytes, unsigned int size);

int InterruptRead(int reader_index, int timeout);

void InterruptStop(int reader_index);

#endif