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/* -*- c++ -*- */
/*
* Copyright 2003,2006 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef _FUSB_RA_WB_H_
#define _FUSB_RA_WB_H_
#include <fusb.h>
/*!
* \brief generic implementation of fusb_devhandle using only libusb
*/
class fusb_devhandle_ra_wb : public fusb_devhandle
{
public:
// CREATORS
fusb_devhandle_ra_wb (usb_dev_handle *udh);
virtual ~fusb_devhandle_ra_wb ();
// MANIPULATORS
virtual fusb_ephandle *make_ephandle (int endpoint, bool input_p,
int block_size = 0, int nblocks = 0);
};
/*!
* \brief generic implementation of fusb_ephandle using only libusb
*/
class fusb_ephandle_ra_wb : public fusb_ephandle
{
private:
fusb_devhandle_ra_wb *d_devhandle;
bool d_ra_wb_on;
public:
// CREATORS
fusb_ephandle_ra_wb (fusb_devhandle_ra_wb *dh, int endpoint, bool input_p,
int block_size = 0, int nblocks = 0);
virtual ~fusb_ephandle_ra_wb ();
// MANIPULATORS
virtual bool start (); //!< begin streaming i/o
virtual bool stop (); //!< stop streaming i/o
/*!
* \returns \p nbytes if write was successfully enqueued, else -1.
* Will block if no free buffers available.
*/
virtual int write (const void *buffer, int nbytes);
/*!
* \returns number of bytes read or -1 if error.
* number of bytes read will be <= nbytes.
* Will block if no input available.
*/
virtual int read (void *buffer, int nbytes);
/*
* block until all outstanding writes have completed
*/
virtual void wait_for_completion ();
};
#endif /* _FUSB_RA_WB_H_ */
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