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Diffstat (limited to 'usrp/host/lib/fusb_generic.h')
-rw-r--r-- | usrp/host/lib/fusb_generic.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/usrp/host/lib/fusb_generic.h b/usrp/host/lib/fusb_generic.h new file mode 100644 index 000000000..b9aef2737 --- /dev/null +++ b/usrp/host/lib/fusb_generic.h @@ -0,0 +1,83 @@ +/* -*- c++ -*- */ +/* + * Copyright 2003 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 3, 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_GENERIC_H_ +#define _FUSB_GENERIC_H_ + +#include <fusb.h> + +/*! + * \brief generic implementation of fusb_devhandle using only libusb + */ +class fusb_devhandle_generic : public fusb_devhandle +{ +public: + // CREATORS + fusb_devhandle_generic (usb_dev_handle *udh); + virtual ~fusb_devhandle_generic (); + + // 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_generic : public fusb_ephandle +{ +private: + fusb_devhandle_generic *d_devhandle; + +public: + // CREATORS + fusb_ephandle_generic (fusb_devhandle_generic *dh, int endpoint, bool input_p, + int block_size = 0, int nblocks = 0); + virtual ~fusb_ephandle_generic (); + + // 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_GENERIC_H_ */ + |