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Diffstat (limited to 'host/lib/usrp/b100/b100_impl.hpp')
| -rw-r--r-- | host/lib/usrp/b100/b100_impl.hpp | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/host/lib/usrp/b100/b100_impl.hpp b/host/lib/usrp/b100/b100_impl.hpp index 5f4899eb3..f81aa3568 100644 --- a/host/lib/usrp/b100/b100_impl.hpp +++ b/host/lib/usrp/b100/b100_impl.hpp @@ -1,5 +1,5 @@ // -// Copyright 2011-2012 Ettus Research LLC +// Copyright 2011-2013 Ettus Research LLC // // 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 @@ -74,6 +74,24 @@ uhd::usrp::dboard_iface::sptr make_b100_dboard_iface( b100_codec_ctrl::sptr codec ); +/*! + * Make a wrapper around a zero copy implementation. + * The wrapper performs the following functions: + * - Pad commits to the frame boundary + * - Extract multiple packets on recv + * + * When enable multiple receive packets is set to true, + * the implementation inspects the vita length on transfers, + * and may split a single transfer into multiple managed buffers. + * + * \param usb_zc a usb zero copy interface object + * \param usb_frame_boundary bytes per frame + * \return a new zero copy wrapper object + */ +uhd::transport::zero_copy_if::sptr usb_zero_copy_make_wrapper( + uhd::transport::zero_copy_if::sptr usb_zc, size_t usb_frame_boundary = 512 +); + //! Implementation guts class b100_impl : public uhd::device { public: |