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-rw-r--r--host/lib/usrp/b100/b100_impl.cpp18
-rw-r--r--host/lib/usrp/b100/b100_impl.hpp23
-rw-r--r--host/lib/usrp/b100/io_impl.cpp222
3 files changed, 151 insertions, 112 deletions
diff --git a/host/lib/usrp/b100/b100_impl.cpp b/host/lib/usrp/b100/b100_impl.cpp
index 98c5cab8c..d1928735b 100644
--- a/host/lib/usrp/b100/b100_impl.cpp
+++ b/host/lib/usrp/b100/b100_impl.cpp
@@ -297,8 +297,9 @@ b100_impl::b100_impl(const device_addr_t &device_addr){
.subscribe(boost::bind(&rx_dsp_core_200::set_tick_rate, _rx_dsps[dspno], _1));
fs_path rx_dsp_path = mb_path / str(boost::format("rx_dsps/%u") % dspno);
_tree->create<double>(rx_dsp_path / "rate/value")
+ .set(1e6) //some default
.coerce(boost::bind(&rx_dsp_core_200::set_host_rate, _rx_dsps[dspno], _1))
- .subscribe(boost::bind(&b100_impl::update_rx_samp_rate, this, _1));
+ .subscribe(boost::bind(&b100_impl::update_rx_samp_rate, this, dspno, _1));
_tree->create<double>(rx_dsp_path / "freq/value")
.coerce(boost::bind(&rx_dsp_core_200::set_freq, _rx_dsps[dspno], _1));
_tree->create<meta_range_t>(rx_dsp_path / "freq/range")
@@ -317,8 +318,9 @@ b100_impl::b100_impl(const device_addr_t &device_addr){
_tree->access<double>(mb_path / "tick_rate")
.subscribe(boost::bind(&tx_dsp_core_200::set_tick_rate, _tx_dsp, _1));
_tree->create<double>(mb_path / "tx_dsps/0/rate/value")
+ .set(1e6) //some default
.coerce(boost::bind(&tx_dsp_core_200::set_host_rate, _tx_dsp, _1))
- .subscribe(boost::bind(&b100_impl::update_tx_samp_rate, this, _1));
+ .subscribe(boost::bind(&b100_impl::update_tx_samp_rate, this, 0, _1));
_tree->create<double>(mb_path / "tx_dsps/0/freq/value")
.coerce(boost::bind(&tx_dsp_core_200::set_freq, _tx_dsp, _1));
_tree->create<meta_range_t>(mb_path / "tx_dsps/0/freq/range")
@@ -402,16 +404,10 @@ b100_impl::b100_impl(const device_addr_t &device_addr){
////////////////////////////////////////////////////////////////////
// do some post-init tasks
////////////////////////////////////////////////////////////////////
- _tree->access<double>(mb_path / "tick_rate").update() //update and then subscribe the clock callback
- .subscribe(boost::bind(&b100_clock_ctrl::set_fpga_clock_rate, _clock_ctrl, _1));
+ this->update_rates();
- //and now that the tick rate is set, init the host rates to something
- BOOST_FOREACH(const std::string &name, _tree->list(mb_path / "rx_dsps")){
- _tree->access<double>(mb_path / "rx_dsps" / name / "rate" / "value").set(1e6);
- }
- BOOST_FOREACH(const std::string &name, _tree->list(mb_path / "tx_dsps")){
- _tree->access<double>(mb_path / "tx_dsps" / name / "rate" / "value").set(1e6);
- }
+ _tree->access<double>(mb_path / "tick_rate") //now subscribe the clock rate setter
+ .subscribe(boost::bind(&b100_clock_ctrl::set_fpga_clock_rate, _clock_ctrl, _1));
_tree->access<subdev_spec_t>(mb_path / "rx_subdev_spec").set(subdev_spec_t("A:"+_dboard_manager->get_rx_subdev_names()[0]));
_tree->access<subdev_spec_t>(mb_path / "tx_subdev_spec").set(subdev_spec_t("A:"+_dboard_manager->get_tx_subdev_names()[0]));
diff --git a/host/lib/usrp/b100/b100_impl.hpp b/host/lib/usrp/b100/b100_impl.hpp
index 5ec3dde7b..fb440e8be 100644
--- a/host/lib/usrp/b100/b100_impl.hpp
+++ b/host/lib/usrp/b100/b100_impl.hpp
@@ -33,7 +33,6 @@
#include <uhd/property_tree.hpp>
#include <uhd/utils/pimpl.hpp>
#include <uhd/types/dict.hpp>
-#include <uhd/types/otw_type.hpp>
#include <uhd/types/sensors.hpp>
#include <uhd/types/clock_config.hpp>
#include <uhd/types/stream_cmd.hpp>
@@ -69,17 +68,8 @@ public:
~b100_impl(void);
//the io interface
- size_t send(const send_buffs_type &,
- size_t,
- const uhd::tx_metadata_t &,
- const uhd::io_type_t &,
- send_mode_t, double);
- size_t recv(const recv_buffs_type &,
- size_t, uhd::rx_metadata_t &,
- const uhd::io_type_t &,
- recv_mode_t, double);
- size_t get_max_send_samps_per_packet(void) const;
- size_t get_max_recv_samps_per_packet(void) const;
+ uhd::rx_streamer::sptr get_rx_stream(const uhd::stream_args_t &args);
+ uhd::tx_streamer::sptr get_tx_stream(const uhd::stream_args_t &args);
bool recv_async_msg(uhd::async_metadata_t &, double);
private:
@@ -106,7 +96,6 @@ private:
uhd::usrp::dboard_iface::sptr _dboard_iface;
//handle io stuff
- uhd::otw_type_t _rx_otw_type, _tx_otw_type;
UHD_PIMPL_DECL(io_impl) _io_impl;
void io_init(void);
@@ -115,14 +104,18 @@ private:
return _tree;
}
+ std::vector<boost::weak_ptr<uhd::rx_streamer> > _rx_streamers;
+ std::vector<boost::weak_ptr<uhd::tx_streamer> > _tx_streamers;
+
void check_fw_compat(void);
void check_fpga_compat(void);
double update_rx_codec_gain(const double); //sets A and B at once
void set_mb_eeprom(const uhd::usrp::mboard_eeprom_t &);
void set_db_eeprom(const std::string &, const uhd::usrp::dboard_eeprom_t &);
void update_tick_rate(const double rate);
- void update_rx_samp_rate(const double rate);
- void update_tx_samp_rate(const double rate);
+ void update_rx_samp_rate(const size_t, const double rate);
+ void update_tx_samp_rate(const size_t, const double rate);
+ void update_rates(void);
void update_rx_subdev_spec(const uhd::usrp::subdev_spec_t &);
void update_tx_subdev_spec(const uhd::usrp::subdev_spec_t &);
void update_clock_source(const std::string &);
diff --git a/host/lib/usrp/b100/io_impl.cpp b/host/lib/usrp/b100/io_impl.cpp
index d2eee4f7c..82298dca6 100644
--- a/host/lib/usrp/b100/io_impl.cpp
+++ b/host/lib/usrp/b100/io_impl.cpp
@@ -30,6 +30,7 @@
#include <boost/thread.hpp>
#include <uhd/utils/msg.hpp>
#include <uhd/utils/log.hpp>
+#include <boost/make_shared.hpp>
using namespace uhd;
using namespace uhd::usrp;
@@ -46,8 +47,6 @@ struct b100_impl::io_impl{
zero_copy_if::sptr data_transport;
bounded_buffer<async_metadata_t> async_msg_fifo;
recv_packet_demuxer::sptr demuxer;
- sph::recv_packet_handler recv_handler;
- sph::send_packet_handler send_handler;
};
/***********************************************************************
@@ -55,16 +54,6 @@ struct b100_impl::io_impl{
**********************************************************************/
void b100_impl::io_init(void){
- //setup rx otw type
- _rx_otw_type.width = 16;
- _rx_otw_type.shift = 0;
- _rx_otw_type.byteorder = uhd::otw_type_t::BO_LITTLE_ENDIAN;
-
- //setup tx otw type
- _tx_otw_type.width = 16;
- _tx_otw_type.shift = 0;
- _tx_otw_type.byteorder = uhd::otw_type_t::BO_LITTLE_ENDIAN;
-
//clear state machines
_fpga_ctrl->poke32(B100_REG_CLEAR_RX, 0);
_fpga_ctrl->poke32(B100_REG_CLEAR_TX, 0);
@@ -72,19 +61,16 @@ void b100_impl::io_init(void){
//set the expected packet size in USB frames
_fpga_ctrl->poke32(B100_REG_MISC_RX_LEN, 4);
+ //allocate streamer weak ptrs containers
+ _rx_streamers.resize(_rx_dsps.size());
+ _tx_streamers.resize(1/*known to be 1 dsp*/);
+
//create new io impl
_io_impl = UHD_PIMPL_MAKE(io_impl, ());
_io_impl->demuxer = recv_packet_demuxer::make(_data_transport, _rx_dsps.size(), B100_RX_SID_BASE);
//now its safe to register the async callback
_fpga_ctrl->set_async_cb(boost::bind(&b100_impl::handle_async_message, this, _1));
-
- //init some handler stuff
- _io_impl->recv_handler.set_vrt_unpacker(&vrt::if_hdr_unpack_le);
- _io_impl->recv_handler.set_converter(_rx_otw_type);
- _io_impl->send_handler.set_vrt_packer(&vrt::if_hdr_pack_le);
- _io_impl->send_handler.set_converter(_tx_otw_type);
- _io_impl->send_handler.set_max_samples_per_packet(get_max_send_samps_per_packet());
}
void b100_impl::handle_async_message(managed_recv_buffer::sptr rbuf){
@@ -120,27 +106,54 @@ void b100_impl::handle_async_message(managed_recv_buffer::sptr rbuf){
else UHD_MSG(error) << "Unknown async packet" << std::endl;
}
+void b100_impl::update_rates(void){
+ const fs_path mb_path = "/mboards/0";
+ _tree->access<double>(mb_path / "tick_rate").update();
+
+ //and now that the tick rate is set, init the host rates to something
+ BOOST_FOREACH(const std::string &name, _tree->list(mb_path / "rx_dsps")){
+ _tree->access<double>(mb_path / "rx_dsps" / name / "rate" / "value").update();
+ }
+ BOOST_FOREACH(const std::string &name, _tree->list(mb_path / "tx_dsps")){
+ _tree->access<double>(mb_path / "tx_dsps" / name / "rate" / "value").update();
+ }
+}
+
void b100_impl::update_tick_rate(const double rate){
- boost::mutex::scoped_lock recv_lock = _io_impl->recv_handler.get_scoped_lock();
- _io_impl->recv_handler.set_tick_rate(rate);
- boost::mutex::scoped_lock send_lock = _io_impl->send_handler.get_scoped_lock();
- _io_impl->send_handler.set_tick_rate(rate);
+ //update the tick rate on all existing streamers -> thread safe
+ for (size_t i = 0; i < _rx_streamers.size(); i++){
+ boost::shared_ptr<sph::recv_packet_streamer> my_streamer =
+ boost::dynamic_pointer_cast<sph::recv_packet_streamer>(_rx_streamers[i].lock());
+ if (my_streamer.get() == NULL) continue;
+ my_streamer->set_tick_rate(rate);
+ }
+ for (size_t i = 0; i < _tx_streamers.size(); i++){
+ boost::shared_ptr<sph::send_packet_streamer> my_streamer =
+ boost::dynamic_pointer_cast<sph::send_packet_streamer>(_tx_streamers[i].lock());
+ if (my_streamer.get() == NULL) continue;
+ my_streamer->set_tick_rate(rate);
+ }
}
-void b100_impl::update_rx_samp_rate(const double rate){
- boost::mutex::scoped_lock recv_lock = _io_impl->recv_handler.get_scoped_lock();
- _io_impl->recv_handler.set_samp_rate(rate);
- const double adj = _rx_dsps.front()->get_scaling_adjustment();
- _io_impl->recv_handler.set_scale_factor(adj/32767.);
+void b100_impl::update_rx_samp_rate(const size_t dspno, const double rate){
+ boost::shared_ptr<sph::recv_packet_streamer> my_streamer =
+ boost::dynamic_pointer_cast<sph::recv_packet_streamer>(_rx_streamers[dspno].lock());
+ if (my_streamer.get() == NULL) return;
+
+ my_streamer->set_samp_rate(rate);
+ const double adj = _rx_dsps[dspno]->get_scaling_adjustment();
+ my_streamer->set_scale_factor(adj);
}
-void b100_impl::update_tx_samp_rate(const double rate){
- boost::mutex::scoped_lock send_lock = _io_impl->send_handler.get_scoped_lock();
- _io_impl->send_handler.set_samp_rate(rate);
+void b100_impl::update_tx_samp_rate(const size_t dspno, const double rate){
+ boost::shared_ptr<sph::send_packet_streamer> my_streamer =
+ boost::dynamic_pointer_cast<sph::send_packet_streamer>(_tx_streamers[dspno].lock());
+ if (my_streamer.get() == NULL) return;
+
+ my_streamer->set_samp_rate(rate);
}
void b100_impl::update_rx_subdev_spec(const uhd::usrp::subdev_spec_t &spec){
- boost::mutex::scoped_lock recv_lock = _io_impl->recv_handler.get_scoped_lock();
fs_path root = "/mboards/0/dboards";
//sanity checking
@@ -154,22 +167,9 @@ void b100_impl::update_rx_subdev_spec(const uhd::usrp::subdev_spec_t &spec){
_rx_dsps[i]->set_mux(conn, fe_swapped);
}
_rx_fe->set_mux(fe_swapped);
-
- //resize for the new occupancy
- _io_impl->recv_handler.resize(spec.size());
-
- //bind new callbacks for the handler
- for (size_t i = 0; i < _io_impl->recv_handler.size(); i++){
- _rx_dsps[i]->set_nsamps_per_packet(get_max_recv_samps_per_packet()); //seems to be a good place to set this
- _io_impl->recv_handler.set_xport_chan_get_buff(i, boost::bind(
- &recv_packet_demuxer::get_recv_buff, _io_impl->demuxer, i, _1
- ));
- _io_impl->recv_handler.set_overflow_handler(i, boost::bind(&rx_dsp_core_200::handle_overflow, _rx_dsps[i]));
- }
}
void b100_impl::update_tx_subdev_spec(const uhd::usrp::subdev_spec_t &spec){
- boost::mutex::scoped_lock send_lock = _io_impl->send_handler.get_scoped_lock();
fs_path root = "/mboards/0/dboards";
//sanity checking
@@ -178,16 +178,6 @@ void b100_impl::update_tx_subdev_spec(const uhd::usrp::subdev_spec_t &spec){
//set the mux for this spec
const std::string conn = _tree->access<std::string>(root / spec[0].db_name / "tx_frontends" / spec[0].sd_name / "connection").get();
_tx_fe->set_mux(conn);
-
- //resize for the new occupancy
- _io_impl->send_handler.resize(spec.size());
-
- //bind new callbacks for the handler
- for (size_t i = 0; i < _io_impl->send_handler.size(); i++){
- _io_impl->send_handler.set_xport_chan_get_buff(i, boost::bind(
- &zero_copy_if::get_send_buff, _data_transport, _1
- ));
- }
}
/***********************************************************************
@@ -201,50 +191,110 @@ bool b100_impl::recv_async_msg(
}
/***********************************************************************
- * Send Data
+ * Receive streamer
**********************************************************************/
-size_t b100_impl::get_max_send_samps_per_packet(void) const {
+rx_streamer::sptr b100_impl::get_rx_stream(const uhd::stream_args_t &args_){
+ stream_args_t args = args_;
+
+ //setup defaults for unspecified values
+ args.otw_format = args.otw_format.empty()? "sc16" : args.otw_format;
+ args.channels = args.channels.empty()? std::vector<size_t>(1, 0) : args.channels;
+
+ //calculate packet size
static const size_t hdr_size = 0
+ vrt::max_if_hdr_words32*sizeof(boost::uint32_t)
+ + sizeof(vrt::if_packet_info_t().tlr) //forced to have trailer
- sizeof(vrt::if_packet_info_t().cid) //no class id ever used
;
- static const size_t bpp = 2048 - hdr_size;
- return bpp / _tx_otw_type.get_sample_size();
-}
+ const size_t bpp = 2048 - hdr_size; //limited by FPGA pkt buffer size
+ const size_t spp = bpp/convert::get_bytes_per_item(args.otw_format);
+
+ //make the new streamer given the samples per packet
+ boost::shared_ptr<sph::recv_packet_streamer> my_streamer = boost::make_shared<sph::recv_packet_streamer>(spp);
+
+ //init some streamer stuff
+ my_streamer->resize(args.channels.size());
+ my_streamer->set_vrt_unpacker(&vrt::if_hdr_unpack_le);
+
+ //set the converter
+ uhd::convert::id_type id;
+ id.input_markup = args.otw_format + "_item32_le";
+ id.num_inputs = 1;
+ id.output_markup = args.cpu_format;
+ id.num_outputs = 1;
+ id.args = args.args;
+ my_streamer->set_converter(id);
+
+ //bind callbacks for the handler
+ for (size_t chan_i = 0; chan_i < args.channels.size(); chan_i++){
+ const size_t dsp = args.channels[chan_i];
+ _rx_dsps[dsp]->set_nsamps_per_packet(spp); //seems to be a good place to set this
+ _rx_dsps[dsp]->set_format(args.otw_format, 0x400);
+ my_streamer->set_xport_chan_get_buff(chan_i, boost::bind(
+ &recv_packet_demuxer::get_recv_buff, _io_impl->demuxer, dsp, _1
+ ));
+ my_streamer->set_overflow_handler(chan_i, boost::bind(
+ &rx_dsp_core_200::handle_overflow, _rx_dsps[dsp]
+ ));
+ _rx_streamers[dsp] = my_streamer; //store weak pointer
+ }
-size_t b100_impl::send(
- const send_buffs_type &buffs, size_t nsamps_per_buff,
- const tx_metadata_t &metadata, const io_type_t &io_type,
- send_mode_t send_mode, double timeout
-){
- return _io_impl->send_handler.send(
- buffs, nsamps_per_buff,
- metadata, io_type,
- send_mode, timeout
- );
+ //sets all tick and samp rates on this streamer
+ this->update_rates();
+
+ return my_streamer;
}
/***********************************************************************
- * Receive Data
+ * Transmit streamer
**********************************************************************/
-size_t b100_impl::get_max_recv_samps_per_packet(void) const {
+tx_streamer::sptr b100_impl::get_tx_stream(const uhd::stream_args_t &args_){
+ stream_args_t args = args_;
+
+ //setup defaults for unspecified values
+ 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 != "sc16"){
+ throw uhd::value_error("USRP TX cannot handle requested wire format: " + args.otw_format);
+ }
+
+ //calculate packet size
static const size_t hdr_size = 0
+ vrt::max_if_hdr_words32*sizeof(boost::uint32_t)
- + sizeof(vrt::if_packet_info_t().tlr) //forced to have trailer
- sizeof(vrt::if_packet_info_t().cid) //no class id ever used
;
- size_t bpp = 2048 - hdr_size; //limited by FPGA pkt buffer size
- return bpp/_rx_otw_type.get_sample_size();
-}
+ static const size_t bpp = 2048 - hdr_size;
+ const size_t spp = bpp/convert::get_bytes_per_item(args.otw_format);
+
+ //make the new streamer given the samples per packet
+ boost::shared_ptr<sph::send_packet_streamer> my_streamer = boost::make_shared<sph::send_packet_streamer>(spp);
+
+ //init some streamer stuff
+ my_streamer->resize(args.channels.size());
+ my_streamer->set_vrt_packer(&vrt::if_hdr_pack_le);
+
+ //set the converter
+ uhd::convert::id_type id;
+ id.input_markup = args.cpu_format;
+ id.num_inputs = 1;
+ id.output_markup = args.otw_format + "_item32_le";
+ id.num_outputs = 1;
+ id.args = args.args;
+ my_streamer->set_converter(id);
+
+ //bind callbacks for the handler
+ for (size_t chan_i = 0; chan_i < args.channels.size(); chan_i++){
+ const size_t dsp = args.channels[chan_i];
+ UHD_ASSERT_THROW(dsp == 0); //always 0
+ my_streamer->set_xport_chan_get_buff(chan_i, boost::bind(
+ &zero_copy_if::get_send_buff, _data_transport, _1
+ ));
+ _tx_streamers[dsp] = my_streamer; //store weak pointer
+ }
-size_t b100_impl::recv(
- const recv_buffs_type &buffs, size_t nsamps_per_buff,
- rx_metadata_t &metadata, const io_type_t &io_type,
- recv_mode_t recv_mode, double timeout
-){
- return _io_impl->recv_handler.recv(
- buffs, nsamps_per_buff,
- metadata, io_type,
- recv_mode, timeout
- );
+ //sets all tick and samp rates on this streamer
+ this->update_rates();
+
+ return my_streamer;
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-11-04 12:04:49 +0000