From fd1e2f8fc1b481b1f0c80798172a601a507914f3 Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Tue, 25 Feb 2014 16:34:03 +0100
Subject: b200: Added channel mapping capabilities
---
host/lib/usrp/b200/b200_impl.cpp | 9 +++--
host/lib/usrp/b200/b200_impl.hpp | 11 +++---
host/lib/usrp/b200/b200_io_impl.cpp | 69 ++++++++++++++++---------------------
3 files changed, 42 insertions(+), 47 deletions(-)
(limited to 'host/lib/usrp')
diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp
index 74e61143b..66df1f3bc 100644
--- a/host/lib/usrp/b200/b200_impl.cpp
+++ b/host/lib/usrp/b200/b200_impl.cpp
@@ -1,5 +1,5 @@
//
-// Copyright 2012-2013 Ettus Research LLC
+// Copyright 2012-2014 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
@@ -373,12 +373,15 @@ b200_impl::b200_impl(const device_addr_t &device_addr)
////////////////////////////////////////////////////////////////////
// create frontend mapping
////////////////////////////////////////////////////////////////////
+ std::vector<size_t> default_map(2, 0); default_map[1] = 1; // Set this to A->0 B->1 even if there's only A
+ _tree->create<std::vector<size_t> >(mb_path / "rx_chan_dsp_mapping").set(default_map);
+ _tree->create<std::vector<size_t> >(mb_path / "tx_chan_dsp_mapping").set(default_map);
_tree->create<subdev_spec_t>(mb_path / "rx_subdev_spec")
.set(subdev_spec_t())
- .subscribe(boost::bind(&b200_impl::update_rx_subdev_spec, this, _1));
+ .subscribe(boost::bind(&b200_impl::update_subdev_spec, this, "rx", _1));
_tree->create<subdev_spec_t>(mb_path / "tx_subdev_spec")
.set(subdev_spec_t())
- .subscribe(boost::bind(&b200_impl::update_tx_subdev_spec, this, _1));
+ .subscribe(boost::bind(&b200_impl::update_subdev_spec, this, "tx", _1));
////////////////////////////////////////////////////////////////////
// setup radio control
diff --git a/host/lib/usrp/b200/b200_impl.hpp b/host/lib/usrp/b200/b200_impl.hpp
index c88d14ad5..a370e54f9 100644
--- a/host/lib/usrp/b200/b200_impl.hpp
+++ b/host/lib/usrp/b200/b200_impl.hpp
@@ -127,8 +127,7 @@ private:
void set_mb_eeprom(const uhd::usrp::mboard_eeprom_t &);
void check_fw_compat(void);
void check_fpga_compat(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_subdev_spec(const std::string &tx_rx, const uhd::usrp::subdev_spec_t &);
void update_time_source(const std::string &);
void update_clock_source(const std::string &);
void update_bandsel(const std::string& which, double freq);
@@ -150,8 +149,12 @@ private:
bool ant_rx2;
};
std::vector<radio_perifs_t> _radio_perifs;
- void setup_radio(const size_t which_radio);
- void handle_overflow(const size_t index);
+
+ /*! \brief Setup the DSP chain for one radio front-end.
+ *
+ */
+ void setup_radio(const size_t radio_index);
+ void handle_overflow(const size_t radio_index);
struct gpio_state {
boost::uint32_t tx_bandsel_a, tx_bandsel_b, rx_bandsel_a, rx_bandsel_b, rx_bandsel_c, codec_arst, mimo, ref_sel;
diff --git a/host/lib/usrp/b200/b200_io_impl.cpp b/host/lib/usrp/b200/b200_io_impl.cpp
index 4768aa37b..4f072c4d4 100644
--- a/host/lib/usrp/b200/b200_io_impl.cpp
+++ b/host/lib/usrp/b200/b200_io_impl.cpp
@@ -72,44 +72,31 @@ void b200_impl::update_tx_samp_rate(const size_t dspno, const double rate)
/***********************************************************************
* frontend selection
**********************************************************************/
-void b200_impl::update_rx_subdev_spec(const uhd::usrp::subdev_spec_t &spec)
+void b200_impl::update_subdev_spec(const std::string &tx_rx, const uhd::usrp::subdev_spec_t &spec)
{
//sanity checking
- if (spec.size()) validate_subdev_spec(_tree, spec, "rx");
+ if (spec.size()) validate_subdev_spec(_tree, spec, tx_rx);
UHD_ASSERT_THROW(spec.size() <= _radio_perifs.size());
- if (spec.size() > 0)
+ if (spec.size() >= 1)
{
UHD_ASSERT_THROW(spec[0].db_name == "A");
- UHD_ASSERT_THROW(spec[0].sd_name == "A");
+ UHD_ASSERT_THROW(spec[0].sd_name == "A" or spec[0].sd_name == "B");
}
- if (spec.size() > 1)
+ if (spec.size() == 2)
{
- //TODO we can support swapping at a later date, only this combo is supported
UHD_ASSERT_THROW(spec[1].db_name == "A");
- UHD_ASSERT_THROW(spec[1].sd_name == "B");
+ UHD_ASSERT_THROW(
+ (spec[0].sd_name == "A" and spec[1].sd_name == "B") or
+ (spec[0].sd_name == "B" and spec[1].sd_name == "A")
+ );
}
- this->update_enables();
-}
-
-void b200_impl::update_tx_subdev_spec(const uhd::usrp::subdev_spec_t &spec)
-{
- //sanity checking
- if (spec.size()) validate_subdev_spec(_tree, spec, "tx");
- UHD_ASSERT_THROW(spec.size() <= _radio_perifs.size());
-
- if (spec.size() > 0)
- {
- UHD_ASSERT_THROW(spec[0].db_name == "A");
- UHD_ASSERT_THROW(spec[0].sd_name == "A");
- }
- if (spec.size() > 1)
- {
- //TODO we can support swapping at a later date, only this combo is supported
- UHD_ASSERT_THROW(spec[1].db_name == "A");
- UHD_ASSERT_THROW(spec[1].sd_name == "B");
+ std::vector<size_t> chan_to_dsp_map(spec.size(), 0);
+ for (size_t i = 0; i < spec.size(); i++) {
+ chan_to_dsp_map[i] = (spec[i].sd_name == "A") ? 0 : 1;
}
+ _tree->access<std::vector<size_t> >("/mboards/0" / (tx_rx + "_chan_dsp_mapping")).set(chan_to_dsp_map);
this->update_enables();
}
@@ -238,13 +225,14 @@ rx_streamer::sptr b200_impl::get_rx_stream(const uhd::stream_args_t &args_)
boost::shared_ptr<sph::recv_packet_streamer> my_streamer;
for (size_t stream_i = 0; stream_i < args.channels.size(); stream_i++)
{
- const size_t chan = args.channels[stream_i];
- radio_perifs_t &perif = _radio_perifs[chan];
+ const size_t radio_index = _tree->access<std::vector<size_t> >("/mboards/0/rx_chan_dsp_mapping")
+ .get().at(args.channels[stream_i]);
+ radio_perifs_t &perif = _radio_perifs[radio_index];
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;
+ const boost::uint32_t sid = radio_index ? B200_RX_DATA1_SID : B200_RX_DATA0_SID;
//calculate packet size
static const size_t hdr_size = 0
@@ -283,7 +271,7 @@ rx_streamer::sptr b200_impl::get_rx_stream(const uhd::stream_args_t &args_)
&recv_packet_demuxer_3000::get_recv_buff, _demux, sid, _1
), true /*flush*/);
my_streamer->set_overflow_handler(stream_i, boost::bind(
- &b200_impl::handle_overflow, this, chan
+ &b200_impl::handle_overflow, this, radio_index
));
my_streamer->set_issue_stream_cmd(stream_i, boost::bind(
&rx_vita_core_3000::issue_stream_command, perif.framer, _1
@@ -292,21 +280,21 @@ rx_streamer::sptr b200_impl::get_rx_stream(const uhd::stream_args_t &args_)
//sets all tick and samp rates on this streamer
this->update_tick_rate(this->get_tick_rate());
- _tree->access<double>(str(boost::format("/mboards/0/rx_dsps/%u/rate/value") % chan)).update();
+ _tree->access<double>(str(boost::format("/mboards/0/rx_dsps/%u/rate/value") % radio_index)).update();
}
this->update_enables();
return my_streamer;
}
-void b200_impl::handle_overflow(const size_t i)
+void b200_impl::handle_overflow(const size_t radio_index)
{
boost::shared_ptr<sph::recv_packet_streamer> my_streamer =
- boost::dynamic_pointer_cast<sph::recv_packet_streamer>(_radio_perifs[i].rx_streamer.lock());
+ boost::dynamic_pointer_cast<sph::recv_packet_streamer>(_radio_perifs[radio_index].rx_streamer.lock());
if (my_streamer->get_num_channels() == 2) //MIMO time
{
//find out if we were in continuous mode before stopping
- const bool in_continuous_streaming_mode = _radio_perifs[i].framer->in_continuous_streaming_mode();
+ const bool in_continuous_streaming_mode = _radio_perifs[radio_index].framer->in_continuous_streaming_mode();
//stop streaming
my_streamer->issue_stream_cmd(stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS);
//flush demux
@@ -319,11 +307,11 @@ void b200_impl::handle_overflow(const size_t i)
{
stream_cmd_t stream_cmd(stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
stream_cmd.stream_now = false;
- stream_cmd.time_spec = _radio_perifs[i].time64->get_time_now() + time_spec_t(0.01);
+ stream_cmd.time_spec = _radio_perifs[radio_index].time64->get_time_now() + time_spec_t(0.01);
my_streamer->issue_stream_cmd(stream_cmd);
}
}
- else _radio_perifs[i].framer->handle_overflow();
+ else _radio_perifs[radio_index].framer->handle_overflow();
}
/***********************************************************************
@@ -340,8 +328,9 @@ tx_streamer::sptr b200_impl::get_tx_stream(const uhd::stream_args_t &args_)
boost::shared_ptr<sph::send_packet_streamer> my_streamer;
for (size_t stream_i = 0; stream_i < args.channels.size(); stream_i++)
{
- const size_t chan = args.channels[stream_i];
- radio_perifs_t &perif = _radio_perifs[chan];
+ const size_t radio_index = _tree->access<std::vector<size_t> >("/mboards/0/tx_chan_dsp_mapping")
+ .get().at(args.channels[stream_i]);
+ radio_perifs_t &perif = _radio_perifs[radio_index];
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);
@@ -382,13 +371,13 @@ tx_streamer::sptr b200_impl::get_tx_stream(const uhd::stream_args_t &args_)
my_streamer->set_async_receiver(boost::bind(
&async_md_type::pop_with_timed_wait, _async_task_data->async_md, _1, _2
));
- my_streamer->set_xport_chan_sid(stream_i, true, chan?B200_TX_DATA1_SID:B200_TX_DATA0_SID);
+ my_streamer->set_xport_chan_sid(stream_i, true, radio_index ? B200_TX_DATA1_SID : B200_TX_DATA0_SID);
my_streamer->set_enable_trailer(false); //TODO not implemented trailer support yet
perif.tx_streamer = my_streamer; //store weak pointer
//sets all tick and samp rates on this streamer
this->update_tick_rate(this->get_tick_rate());
- _tree->access<double>(str(boost::format("/mboards/0/tx_dsps/%u/rate/value") % chan)).update();
+ _tree->access<double>(str(boost::format("/mboards/0/tx_dsps/%u/rate/value") % radio_index)).update();
}
this->update_enables();
--
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