diff options
Diffstat (limited to 'host/lib/usrp/b200')
| -rw-r--r-- | host/lib/usrp/b200/b200_io_impl.cpp | 22 | ||||
| -rw-r--r-- | host/lib/usrp/b200/b200_regs.hpp | 2 |
2 files changed, 13 insertions, 11 deletions
diff --git a/host/lib/usrp/b200/b200_io_impl.cpp b/host/lib/usrp/b200/b200_io_impl.cpp index 5a588f902..d643ef855 100644 --- a/host/lib/usrp/b200/b200_io_impl.cpp +++ b/host/lib/usrp/b200/b200_io_impl.cpp @@ -214,11 +214,7 @@ rx_streamer::sptr b200_impl::get_rx_stream(const uhd::stream_args_t &args_) stream_args_t args = args_; //setup defaults for unspecified values - if (not args.otw_format.empty() and args.otw_format != "sc16") - { - throw uhd::value_error("b200_impl::get_rx_stream only supports otw_format sc16"); - } - args.otw_format = "sc16"; + if (args.otw_format.empty()) args.otw_format = "sc16"; args.channels = args.channels.empty()? std::vector<size_t>(1, 0) : args.channels; boost::shared_ptr<sph::recv_packet_streamer> my_streamer; @@ -226,6 +222,10 @@ rx_streamer::sptr b200_impl::get_rx_stream(const uhd::stream_args_t &args_) { const size_t chan = args.channels[stream_i]; radio_perifs_t &perif = _radio_perifs[chan]; + if (args.otw_format == "sc16") perif.ctrl->poke32(TOREG(SR_RX_FMT), 0); + if (args.otw_format == "sc12") perif.ctrl->poke32(TOREG(SR_RX_FMT), 1); + if (args.otw_format == "fc32") perif.ctrl->poke32(TOREG(SR_RX_FMT), 2); + if (args.otw_format == "sc8") perif.ctrl->poke32(TOREG(SR_RX_FMT), 3); const boost::uint32_t sid = chan?B200_RX_DATA1_SID:B200_RX_DATA0_SID; //calculate packet size @@ -238,7 +238,7 @@ rx_streamer::sptr b200_impl::get_rx_stream(const uhd::stream_args_t &args_) const size_t bpp = _data_transport->get_recv_frame_size() - hdr_size; const size_t bpi = convert::get_bytes_per_item(args.otw_format); size_t spp = unsigned(args.args.cast<double>("spp", bpp/bpi)); - spp = std::min<size_t>(2041, spp); //magic maximum for framing at full rate + spp = std::min<size_t>(2000, spp); //magic maximum for framing at full rate //make the new streamer given the samples per packet if (not my_streamer) my_streamer = boost::make_shared<sph::recv_packet_streamer>(spp); @@ -316,11 +316,7 @@ tx_streamer::sptr b200_impl::get_tx_stream(const uhd::stream_args_t &args_) stream_args_t args = args_; //setup defaults for unspecified values - if (not args.otw_format.empty() and args.otw_format != "sc16") - { - throw uhd::value_error("b200_impl::get_rx_stream only supports otw_format sc16"); - } - args.otw_format = "sc16"; + if (args.otw_format.empty()) args.otw_format = "sc16"; args.channels = args.channels.empty()? std::vector<size_t>(1, 0) : args.channels; boost::shared_ptr<sph::send_packet_streamer> my_streamer; @@ -328,6 +324,10 @@ tx_streamer::sptr b200_impl::get_tx_stream(const uhd::stream_args_t &args_) { const size_t chan = args.channels[stream_i]; radio_perifs_t &perif = _radio_perifs[chan]; + if (args.otw_format == "sc16") perif.ctrl->poke32(TOREG(SR_TX_FMT), 0); + if (args.otw_format == "sc12") perif.ctrl->poke32(TOREG(SR_TX_FMT), 1); + if (args.otw_format == "fc32") perif.ctrl->poke32(TOREG(SR_TX_FMT), 2); + if (args.otw_format == "sc8") perif.ctrl->poke32(TOREG(SR_TX_FMT), 3); //calculate packet size static const size_t hdr_size = 0 diff --git a/host/lib/usrp/b200/b200_regs.hpp b/host/lib/usrp/b200/b200_regs.hpp index ae39b95b2..c64066b27 100644 --- a/host/lib/usrp/b200/b200_regs.hpp +++ b/host/lib/usrp/b200/b200_regs.hpp @@ -43,6 +43,8 @@ localparam SR_RX_CTRL = 96; localparam SR_RX_DSP = 144; localparam SR_TX_DSP = 184; localparam SR_TIME = 128; +localparam SR_RX_FMT = 136; +localparam SR_TX_FMT = 138; localparam RB32_TEST = 0; localparam RB64_TIME_NOW = 8; |