diff options
Diffstat (limited to 'host/lib/usrp/b100/io_impl.cpp')
-rw-r--r-- | host/lib/usrp/b100/io_impl.cpp | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/host/lib/usrp/b100/io_impl.cpp b/host/lib/usrp/b100/io_impl.cpp index 7c07c6349..b1a44d70e 100644 --- a/host/lib/usrp/b100/io_impl.cpp +++ b/host/lib/usrp/b100/io_impl.cpp @@ -1,5 +1,5 @@ // -// Copyright 2011 Ettus Research LLC +// Copyright 2011-2012 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 @@ -211,7 +211,7 @@ rx_streamer::sptr b100_impl::get_rx_stream(const uhd::stream_args_t &args_){ + sizeof(vrt::if_packet_info_t().tlr) //forced to have trailer - sizeof(vrt::if_packet_info_t().cid) //no class id ever used ; - const size_t bpp = 2048 - hdr_size; //limited by FPGA pkt buffer size + const size_t bpp = B100_MAX_PKT_BYTE_LIMIT - hdr_size; const size_t bpi = convert::get_bytes_per_item(args.otw_format); const size_t spp = unsigned(args.args.cast<double>("spp", bpp/bpi)); @@ -260,10 +260,6 @@ tx_streamer::sptr b100_impl::get_tx_stream(const uhd::stream_args_t &args_){ args.otw_format = args.otw_format.empty()? "sc16" : args.otw_format; args.channels = args.channels.empty()? std::vector<size_t>(1, 0) : args.channels; - if (args.otw_format == "sc8"){ - throw uhd::value_error("USRP TX requested wire format not implemented in FPGA: " + args.otw_format); - } - //calculate packet size static const size_t hdr_size = 0 + vrt::max_if_hdr_words32*sizeof(boost::uint32_t) @@ -271,7 +267,7 @@ tx_streamer::sptr b100_impl::get_tx_stream(const uhd::stream_args_t &args_){ - sizeof(vrt::if_packet_info_t().sid) //no stream id ever used - sizeof(vrt::if_packet_info_t().cid) //no class id ever used ; - static const size_t bpp = _data_transport->get_send_frame_size() - hdr_size; + static const size_t bpp = B100_MAX_PKT_BYTE_LIMIT - hdr_size; const size_t spp = bpp/convert::get_bytes_per_item(args.otw_format); //make the new streamer given the samples per packet |