mirrors
/
gnss-sdr
mirror of https://github.com/gnss-sdr/gnss-sdr
1
0
Fork 0
Code Issues Releases Wiki Activity
gnss-sdr/src/algorithms/signal_source/libs/ad9361_manager.cc

1282 lines
42 KiB
C++
Raw Blame History

/*!
* \file ad9361_manager.cc
* \brief An Analog Devices AD9361 front-end configuration library wrapper for configure some functions via iiod link.
* \author Javier Arribas, jarribas(at)cttc.es
*
* This file contains information taken from librtlsdr:
* https://git.osmocom.org/rtl-sdr
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#include "ad9361_manager.h"
#include <glog/logging.h>
#include <ad9361.h>
#include <cmath>
#include <fstream> // for ifstream
#include <iostream>
#include <sstream>
#include <utility>
#include <vector>
/* check return value of attr_write function */
void errchk(int v, const char *what)
{
if (v < 0)
{
LOG(WARNING) << "Error " << v << " writing to channel " << what << " value may not be supported. ";
}
}
/* write attribute: int64_t int */
void wr_ch_lli(struct iio_channel *chn, const char *what, int64_t val)
{
errchk(iio_channel_attr_write_longlong(chn, what, val), what);
}
/* write attribute: string */
void wr_ch_str(struct iio_channel *chn, const char *what, const char *str)
{
errchk(iio_channel_attr_write(chn, what, str), what);
}
/* returns ad9361 phy device */
struct iio_device *get_ad9361_phy(struct iio_context *ctx)
{
struct iio_device *dev = iio_context_find_device(ctx, "ad9361-phy");
return dev;
}
/* finds AD9361 streaming IIO devices */
bool get_ad9361_stream_dev(struct iio_context *ctx, enum iodev d, struct iio_device **dev)
{
switch (d)
{
case TX:
*dev = iio_context_find_device(ctx, "cf-ad9361-dds-core-lpc");
return *dev != nullptr;
case RX:
*dev = iio_context_find_device(ctx, "cf-ad9361-lpc");
return *dev != nullptr;
default:
return false;
}
}
/* finds AD9361 streaming IIO channels */
bool get_ad9361_stream_ch(struct iio_context *ctx __attribute__((unused)), enum iodev d, struct iio_device *dev, int chid, struct iio_channel **chn)
{
std::stringstream name;
name.str("");
name << "voltage";
name << chid;
*chn = iio_device_find_channel(dev, name.str().c_str(), d == TX);
if (!*chn)
{
name.str("");
name << "altvoltage";
name << chid;
*chn = iio_device_find_channel(dev, name.str().c_str(), d == TX);
}
return *chn != nullptr;
}
/* finds AD9361 phy IIO configuration channel with id chid */
bool get_phy_chan(struct iio_device *dev, enum iodev d, int chid, struct iio_channel **chn)
{
std::stringstream name;
switch (d)
{
case RX:
name.str("");
name << "voltage";
name << chid;
*chn = iio_device_find_channel(dev, name.str().c_str(), false);
return *chn != nullptr;
break;
case TX:
name.str("");
name << "voltage";
name << chid;
*chn = iio_device_find_channel(dev, name.str().c_str(), true);
return *chn != nullptr;
break;
default:
return false;
}
}
/* finds AD9361 local oscillator IIO configuration channels */
bool get_lo_chan(struct iio_device *dev, enum iodev d, int chid, struct iio_channel **chn)
{
std::stringstream name;
switch (d)
{
// LO chan is always output, i.e. true
case RX:
name.str("");
name << "altvoltage";
name << chid;
*chn = iio_device_find_channel(dev, name.str().c_str(), true);
return *chn != nullptr;
break;
case TX:
name.str("");
name << "altvoltage";
name << chid;
*chn = iio_device_find_channel(dev, name.str().c_str(), true);
return *chn != nullptr;
break;
default:
return false;
}
}
/* applies streaming configuration through IIO */
void cfg_ad9361_streaming_ch(struct stream_cfg *cfg, iio_channel *chn)
{
// Configure phy and lo channels
wr_ch_str(chn, "rf_port_select", cfg->rfport);
wr_ch_lli(chn, "rf_bandwidth", cfg->bw_hz);
wr_ch_lli(chn, "sampling_frequency", cfg->fs_hz);
}
int setup_filter(const std::string &filter_source_, uint64_t bandwidth_, uint64_t sample_rate_, uint64_t freq_, const std::string &rf_port_select_,
struct iio_device *ad9361_phy_dev, struct iio_channel *rx_chan, struct iio_channel *chn, int chid, std::string filter_filename_, [[maybe_unused]] float Fpass_, [[maybe_unused]] float Fstop_)
{
int ret;
if (filter_source_ == "Off")
{
struct stream_cfg rxcfg;
rxcfg.bw_hz = bandwidth_;
rxcfg.fs_hz = sample_rate_;
rxcfg.lo_hz = freq_;
rxcfg.rfport = rf_port_select_.c_str();
cfg_ad9361_streaming_ch(&rxcfg, chn);
}
else if (filter_source_ == "Auto")
{
ret = ad9361_set_bb_rate(ad9361_phy_dev, sample_rate_);
if (ret)
{
throw std::runtime_error("Unable to set BB rate");
// set bw
// params.push_back("in_voltage_rf_bandwidth=" + boost::to_string(bandwidth));
}
// wr_ch_str(rx_chan, "rf_port_select", rf_port_select_.c_str());
ret = iio_device_attr_write(ad9361_phy_dev, "in_voltage0_rf_port_select", rf_port_select_.c_str());
if (ret)
{
throw std::runtime_error("Unable to set rf_port_select");
}
wr_ch_lli(rx_chan, "rf_bandwidth", bandwidth_);
if (!get_lo_chan(ad9361_phy_dev, RX, chid, &rx_chan))
{
return -1;
}
wr_ch_lli(rx_chan, "frequency", freq_);
}
else if (filter_source_ == "File")
{
try
{
if (!load_fir_filter(filter_filename_, ad9361_phy_dev))
{
throw std::runtime_error("Unable to load filter file");
}
}
catch (const std::runtime_error &e)
{
std::cout << "Exception cached when configuring the RX FIR filter: " << e.what() << '\n';
}
ret = iio_device_attr_write(ad9361_phy_dev, "in_voltage0_rf_port_select", rf_port_select_.c_str());
if (ret)
{
throw std::runtime_error("Unable to set rf_port_select");
}
wr_ch_lli(rx_chan, "rf_bandwidth", bandwidth_);
if (!get_lo_chan(ad9361_phy_dev, RX, chid, &rx_chan))
{
return -1;
}
wr_ch_lli(rx_chan, "frequency", freq_);
}
#if LIBAD9361_VERSION_GREATER_THAN_01
else if (filter_source_ == "Design")
{
ret = ad9361_set_bb_rate_custom_filter_manual(
ad9361_phy_dev, sample_rate_, static_cast<uint64_t>(Fpass_), static_cast<uint64_t>(Fstop_), bandwidth_, bandwidth_);
if (ret)
{
throw std::runtime_error("Unable to set BB rate");
}
ret = iio_device_attr_write(ad9361_phy_dev, "in_voltage0_rf_port_select", rf_port_select_.c_str());
if (ret)
{
throw std::runtime_error("Unable to set rf_port_select");
}
wr_ch_lli(rx_chan, "rf_bandwidth", bandwidth_);
if (!get_lo_chan(ad9361_phy_dev, RX, chid, &rx_chan))
{
return -1;
}
wr_ch_lli(rx_chan, "frequency", freq_);
}
#endif
else
{
throw std::runtime_error("Unknown filter configuration");
}
// Filters can only be disabled after the sample rate has been set
if (filter_source_ == "Off")
{
ret = ad9361_set_trx_fir_enable(ad9361_phy_dev, false);
if (ret)
{
throw std::runtime_error("Unable to disable filters");
}
}
return 0;
}
int setup_device_parameters(iio_device *ad9361_phy_dev, bool quadrature_, bool rfdc_, bool bbdc_, const std::string &gain_mode_rx1_, const std::string &gain_mode_rx2_)
{
int ret;
ret = iio_device_attr_write(ad9361_phy_dev, "trx_rate_governor", "nominal");
if (ret < 0)
{
std::cout << "Failed to set trx_rate_governor: " << ret << '\n';
return ret;
}
ret = iio_device_attr_write(ad9361_phy_dev, "ensm_mode", "fdd");
if (ret < 0)
{
std::cout << "Failed to set ensm_mode: " << ret << '\n';
return ret;
}
ret = iio_device_attr_write(ad9361_phy_dev, "calib_mode", "auto");
if (ret < 0)
{
std::cout << "Failed to set calib_mode: " << ret << '\n';
return ret;
}
ret = iio_device_attr_write_bool(ad9361_phy_dev, "in_voltage_quadrature_tracking_en", quadrature_);
if (ret < 0)
{
std::cout << "Failed to set in_voltage_quadrature_tracking_en: " << ret << '\n';
return ret;
}
ret = iio_device_attr_write_bool(ad9361_phy_dev, "in_voltage_rf_dc_offset_tracking_en", rfdc_);
if (ret < 0)
{
std::cout << "Failed to set in_voltage_rf_dc_offset_tracking_en: " << ret << '\n';
return ret;
}
ret = iio_device_attr_write_bool(ad9361_phy_dev, "in_voltage_bb_dc_offset_tracking_en", bbdc_);
if (ret < 0)
{
std::cout << "Failed to set in_voltage_bb_dc_offset_tracking_en: " << ret << '\n';
return ret;
}
ret = iio_device_attr_write(ad9361_phy_dev, "in_voltage0_gain_control_mode", gain_mode_rx1_.c_str());
if (ret < 0)
{
std::cout << "Failed to set in_voltage0_gain_control_mode: " << ret << '\n';
return ret;
}
ret = iio_device_attr_write(ad9361_phy_dev, "in_voltage1_gain_control_mode", gain_mode_rx2_.c_str());
if (ret < 0)
{
std::cout << "Failed to set in_voltage1_gain_control_mode: " << ret << '\n';
}
return ret;
}
bool config_ad9361_rx_local(uint64_t bandwidth_,
uint64_t sample_rate_,
uint64_t freq0_,
uint64_t freq1_,
const std::string &rf_port_select_,
bool rx1_enable_,
bool rx2_enable_,
const std::string &gain_mode_rx1_,
const std::string &gain_mode_rx2_,
double rf_gain_rx1_,
double rf_gain_rx2_,
bool quadrature_,
bool rfdc_,
bool bbdc_,
std::string filter_source_, // NOLINT(performance-unnecessary-value-param)
std::string filter_filename_, // NOLINT(performance-unnecessary-value-param)
float Fpass_,
float Fstop_)
{
// RX stream config
struct iio_context *ctx;
// Streaming devices
struct iio_device *rx;
struct iio_channel *rx_chan0; // stream channel 0
struct iio_channel *rx_chan1; // stream channel 1
struct iio_channel *chn; // phy channel
struct iio_channel *lo_chn; // phy channel
int ret;
#ifndef LIBAD9361_VERSION_GREATER_THAN_01
if (filter_source_ == "Design")
{
std::cout << "Option filter_source=Design is not available in this version. Set to filter_source=Off\n";
filter_source_ = std::string("Off");
}
if (Fpass_ != 0.0 or Fstop_ != 0.0)
{
Fpass_ = 0.0;
Fstop_ = 0.0;
}
#endif
// iio context
std::cout << "Acquiring IIO LOCAL context\n";
ctx = iio_create_default_context();
if (!ctx)
{
std::cout << "No context\n";
throw std::runtime_error("AD9361 IIO No context");
}
if (iio_context_get_devices_count(ctx) <= 0)
{
std::cout << "No devices\n";
throw std::runtime_error("AD9361 IIO No devices");
}
// AD9361-A
struct iio_device *ad9361_phy;
std::cout << "Acquiring AD9361 phy devices\n";
ad9361_phy = iio_context_find_device(ctx, RX_DEV_A.c_str());
if (!ad9361_phy)
{
std::cout << "No " << RX_DEV_A << " dev found\n";
throw std::runtime_error("AD9361 IIO no rx dev found");
}
// AD9361-B
struct iio_device *ad9361_phy_B;
bool enable_ad9361_b;
ad9361_phy_B = iio_context_find_device(ctx, RX_DEV_B.c_str());
if (ad9361_phy_B)
{
enable_ad9361_b = true; // the RF board has two AD9361 devices
}
else
{
enable_ad9361_b = false; // the RF board has one AD9361 device
}
// set-up AD9361-A stream device
std::string rx_stream_dev_a = (enable_ad9361_b ? RX_STREAM_DEV_A : RX_STREAM_DEV);
std::cout << "* Acquiring " << rx_stream_dev_a << " streaming device\n";
rx = iio_context_find_device(ctx, rx_stream_dev_a.c_str());
if (!rx)
{
std::cout << "No " << rx_stream_dev_a << " stream dev found\n";
throw std::runtime_error("AD9361 IIO No " + rx_stream_dev_a + " stream dev found");
}
// get AD9361-A stream device channel 0 as rx channel 0
std::cout << "* Acquiring " << rx_stream_dev_a << " phy channel 0\n";
if (!get_ad9361_stream_ch(ctx, RX, rx, 0, &rx_chan0))
{
std::cout << rx_stream_dev_a << " channel 0 not found\n";
throw std::runtime_error(rx_stream_dev_a + "RX channel 0 not found");
}
if (!get_phy_chan(ad9361_phy, RX, 0, &chn))
{
return false;
}
if (setup_filter(filter_source_, bandwidth_, sample_rate_, freq0_, rf_port_select_, ad9361_phy, rx_chan0, chn, 0, filter_filename_, Fpass_, Fstop_) == -1)
{
return false;
}
// Configure LO channel
std::cout << "* Acquiring " << RX_DEV_A << " LO RX channel 0\n";
if (!get_lo_chan(ad9361_phy, RX, 0, &lo_chn))
{
std::cout << "RX LO channel 0not found\n";
throw std::runtime_error("RX LO channel 0not found");
}
wr_ch_lli(lo_chn, "frequency", freq0_);
if (enable_ad9361_b)
{
// set-up AD9361-B stream device
std::cout << "* Acquiring " << RX_STREAM_DEV_B << " streaming device\n";
rx = iio_context_find_device(ctx, RX_STREAM_DEV_B.c_str());
if (!rx)
{
std::cout << "No " << RX_STREAM_DEV_B << " stream dev found\n";
throw std::runtime_error("AD9361 IIO No " + RX_STREAM_DEV_B + " stream dev found");
}
// get AD9361-B stream device channel 0 as rx channel 1
std::cout << "* Acquiring " << RX_STREAM_DEV_B << " phy channel 0\n";
if (!get_ad9361_stream_ch(ctx, RX, rx, 0, &rx_chan1))
{
std::cout << RX_STREAM_DEV_B << " channel 0 not found\n";
throw std::runtime_error(RX_STREAM_DEV_B + "RX channel 0 not found");
}
if (!get_phy_chan(ad9361_phy_B, RX, 0, &chn))
{
return false;
}
if (setup_filter(filter_source_, bandwidth_, sample_rate_, freq1_, rf_port_select_, ad9361_phy_B, rx_chan1, chn, 0, std::move(filter_filename_), Fpass_, Fstop_) == -1)
{
return false;
}
// Configure LO channel
std::cout << "* Acquiring " << RX_DEV_B << " LO RX channel 0\n";
if (!get_lo_chan(ad9361_phy_B, RX, 0, &chn))
{
std::cout << "RX LO channel 1 not found\n";
throw std::runtime_error("RX LO channel 1 not found");
}
wr_ch_lli(chn, "frequency", freq1_);
}
else
{
// GET ad9361-A stream device channel 1 as rx channel 1
std::cout << "* Acquiring " << rx_stream_dev_a << " phy channel 1\n";
if (!get_ad9361_stream_ch(ctx, RX, rx, 1, &rx_chan1))
{
std::cout << rx_stream_dev_a << " channel 1 not found\n";
throw std::runtime_error(rx_stream_dev_a + "RX channel 1 not found");
}
if (setup_filter(filter_source_, bandwidth_, sample_rate_, freq0_, rf_port_select_, ad9361_phy, rx_chan1, chn, 1, std::move(filter_filename_), Fpass_, Fstop_) == -1)
{
return false;
}
}
std::cout << "* Enabling IIO streaming channels\n";
if (rx1_enable_)
{
iio_channel_enable(rx_chan0);
}
if (rx2_enable_)
{
iio_channel_enable(rx_chan1);
if (enable_ad9361_b)
{
ad9361_fmcomms5_multichip_sync(ctx, FIXUP_INTERFACE_TIMING | CHECK_SAMPLE_RATES);
}
}
if (!rx1_enable_ and !rx2_enable_)
{
std::cout << "WARNING: No Rx channels enabled.\n";
}
std::cout << "configuring " << RX_DEV_A << " device parameters\n";
if (setup_device_parameters(ad9361_phy, quadrature_, rfdc_, bbdc_, gain_mode_rx1_, gain_mode_rx2_) < 0)
{
throw std::runtime_error("configuring " + RX_DEV_A + " device parameters failed\n");
}
if (enable_ad9361_b)
{
std::cout << "configuring " << RX_DEV_B << " device parameters\n";
if (setup_device_parameters(ad9361_phy_B, quadrature_, rfdc_, bbdc_, gain_mode_rx2_, gain_mode_rx2_) < 0)
{
throw std::runtime_error("configuring " + RX_DEV_B + " device parameters failed\n");
}
}
if (gain_mode_rx1_ == "manual")
{
ret = iio_device_attr_write_double(ad9361_phy, "in_voltage0_hardwaregain", rf_gain_rx1_);
if (ret < 0)
{
std::cout << "Failed to set in_voltage0_hardwaregain: " << ret << '\n';
}
}
if (!enable_ad9361_b)
{
if (gain_mode_rx2_ == "manual")
{
ret = iio_device_attr_write_double(ad9361_phy, "in_voltage1_hardwaregain", rf_gain_rx2_);
if (ret < 0)
{
std::cout << "Failed to set in_voltage1_hardwaregain: " << ret << '\n';
}
}
}
else
{
if (gain_mode_rx2_ == "manual")
{
ret = iio_device_attr_write_double(ad9361_phy_B, "in_voltage0_hardwaregain", rf_gain_rx2_);
if (ret < 0)
{
std::cout << "Failed to set in_voltage1_hardwaregain: " << ret << '\n';
}
}
}
std::cout << "End of AD9361 RX configuration.\n";
iio_context_destroy(ctx);
return true;
}
bool config_ad9361_rx_remote(const std::string &remote_host,
uint64_t bandwidth_,
uint64_t sample_rate_,
uint64_t freq_,
const std::string &rf_port_select_,
bool rx1_enable_,
bool rx2_enable_,
const std::string &gain_mode_rx1_,
const std::string &gain_mode_rx2_,
double rf_gain_rx1_,
double rf_gain_rx2_,
bool quadrature_,
bool rfdc_,
bool bbdc_,
std::string filter_source_, // NOLINT(performance-unnecessary-value-param)
std::string filter_filename_,
float Fpass_,
float Fstop_)
{
// RX stream config
std::cout << "AD9361 Acquiring IIO REMOTE context in host " << remote_host << '\n';
struct iio_context *ctx;
// Streaming devices
struct iio_device *rx;
struct iio_channel *rx_chan0;
struct iio_channel *rx_chan1;
struct iio_channel *chn; // phy channel
#ifndef LIBAD9361_VERSION_GREATER_THAN_01
if (filter_source_ == "Design")
{
std::cout << "Option filter_source=Design is not available in this version. Set to filter_source=Off\n";
filter_source_ = std::string("Off");
}
if (Fpass_ != 0.0 or Fstop_ != 0.0)
{
Fpass_ = 0.0;
Fstop_ = 0.0;
}
#endif
ctx = iio_create_network_context(remote_host.c_str());
if (!ctx)
{
std::cout << "No context\n";
throw std::runtime_error("AD9361 IIO No context");
}
if (iio_context_get_devices_count(ctx) <= 0)
{
std::cout << "No devices\n";
throw std::runtime_error("AD9361 IIO No devices");
}
std::cout << "* Acquiring AD9361 streaming devices\n";
if (!get_ad9361_stream_dev(ctx, RX, &rx))
{
std::cout << "No rx dev found\n";
throw std::runtime_error("AD9361 IIO No rx dev found");
}
std::cout << "* Configuring AD9361 for streaming\n";
struct iio_device *ad9361_phy;
ad9361_phy = iio_context_find_device(ctx, "ad9361-phy");
int ret;
std::cout << "* Initializing AD9361 IIO streaming channels\n";
if (!get_ad9361_stream_ch(ctx, RX, rx, 0, &rx_chan0))
{
std::cout << "RX channel 1 not found\n";
throw std::runtime_error("RX channel 1 not found");
}
if (!get_ad9361_stream_ch(ctx, RX, rx, 1, &rx_chan1))
{
std::cout << "RX channel 2 not found\n";
throw std::runtime_error("RX channel 2 not found");
}
if (!get_phy_chan(ad9361_phy, RX, 0, &chn))
{
return false;
}
if (setup_filter(std::move(filter_source_), bandwidth_, sample_rate_, freq_, rf_port_select_, ad9361_phy, rx_chan0, chn, 0, std::move(filter_filename_), Fpass_, Fstop_) == -1)
{
return false;
}
// Configure LO channel
std::cout << "* Acquiring LO channel RX\n";
if (!get_lo_chan(ad9361_phy, RX, 0, &chn))
{
std::cout << "RX LO channel not found\n";
throw std::runtime_error("RX LO channel not found");
}
wr_ch_lli(rx_chan0, "frequency", freq_);
std::cout << "* Enabling IIO streaming channels\n";
if (rx1_enable_)
{
iio_channel_enable(rx_chan0);
}
if (rx2_enable_)
{
iio_channel_enable(rx_chan1);
}
if (!rx1_enable_ and !rx2_enable_)
{
std::cout << "WARNING: No Rx channels enabled.\n";
}
ret = iio_device_attr_write(ad9361_phy, "trx_rate_governor", "nominal");
if (ret < 0)
{
std::cout << "Failed to set trx_rate_governor: " << ret << '\n';
}
ret = iio_device_attr_write(ad9361_phy, "ensm_mode", "fdd");
if (ret < 0)
{
std::cout << "Failed to set ensm_mode: " << ret << '\n';
}
ret = iio_device_attr_write(ad9361_phy, "calib_mode", "auto");
if (ret < 0)
{
std::cout << "Failed to set calib_mode: " << ret << '\n';
}
ret = iio_device_attr_write_bool(ad9361_phy, "in_voltage_quadrature_tracking_en", quadrature_);
if (ret < 0)
{
std::cout << "Failed to set in_voltage_quadrature_tracking_en: " << ret << '\n';
}
ret = iio_device_attr_write_bool(ad9361_phy, "in_voltage_rf_dc_offset_tracking_en", rfdc_);
if (ret < 0)
{
std::cout << "Failed to set in_voltage_rf_dc_offset_tracking_en: " << ret << '\n';
}
ret = iio_device_attr_write_bool(ad9361_phy, "in_voltage_bb_dc_offset_tracking_en", bbdc_);
if (ret < 0)
{
std::cout << "Failed to set in_voltage_bb_dc_offset_tracking_en: " << ret << '\n';
}
ret = iio_device_attr_write(ad9361_phy, "in_voltage0_gain_control_mode", gain_mode_rx1_.c_str());
if (ret < 0)
{
std::cout << "Failed to set in_voltage0_gain_control_mode: " << ret << '\n';
}
ret = iio_device_attr_write(ad9361_phy, "in_voltage1_gain_control_mode", gain_mode_rx2_.c_str());
if (ret < 0)
{
std::cout << "Failed to set in_voltage1_gain_control_mode: " << ret << '\n';
}
if (gain_mode_rx1_ == "manual")
{
ret = iio_device_attr_write_double(ad9361_phy, "in_voltage0_hardwaregain", rf_gain_rx1_);
if (ret < 0)
{
std::cout << "Failed to set in_voltage0_hardwaregain: " << ret << '\n';
}
}
if (gain_mode_rx2_ == "manual")
{
ret = iio_device_attr_write_double(ad9361_phy, "in_voltage1_hardwaregain", rf_gain_rx2_);
if (ret < 0)
{
std::cout << "Failed to set in_voltage1_hardwaregain: " << ret << '\n';
}
}
std::cout << "End of AD9361 RX configuration.\n";
iio_context_destroy(ctx);
return true;
}
bool config_ad9361_lo_local(uint64_t bandwidth_,
uint64_t sample_rate_,
uint64_t freq_rf_tx_hz_,
double tx_attenuation_db_,
int64_t freq_dds_tx_hz_,
double scale_dds_dbfs_,
double phase_dds_deg_)
{
// TX stream config
std::cout << "Start of AD9361 TX Local Oscillator DDS configuration\n";
struct iio_channel *tx_chan;
struct stream_cfg txcfg;
txcfg.bw_hz = bandwidth_;
txcfg.fs_hz = sample_rate_;
txcfg.lo_hz = freq_rf_tx_hz_;
txcfg.rfport = "A";
std::cout << "AD9361 Acquiring IIO LOCAL context\n";
struct iio_context *ctx;
ctx = iio_create_default_context();
if (!ctx)
{
std::cout << "No context\n";
throw std::runtime_error("AD9361 IIO No context");
}
// find tx device
struct iio_device *tx;
std::cout << "* Acquiring AD9361 TX streaming devices\n";
if (!get_ad9361_stream_dev(ctx, TX, &tx))
{
std::cout << "No tx dev found\n";
throw std::runtime_error("AD9361 IIO No tx dev found");
}
std::cout << "* Configuring AD9361 for streaming TX\n";
// ENABLE DDS on TX1
struct iio_device *ad9361_phy;
ad9361_phy = iio_context_find_device(ctx, "ad9361-phy");
if (!get_ad9361_stream_ch(ctx, TX, ad9361_phy, 0, &tx_chan))
{
std::cout << "TX channel 0 not found\n";
throw std::runtime_error("TX channel 0 not found");
}
cfg_ad9361_streaming_ch(&txcfg, tx_chan);
// Configure LO channel
std::cout << "* Acquiring LO channel TX\n";
if (!get_lo_chan(ad9361_phy, TX, 1, &tx_chan))
{
std::cout << "TX LO channel not found\n";
throw std::runtime_error("TX LO channel not found");
}
wr_ch_lli(tx_chan, "frequency", txcfg.lo_hz);
int ret;
// set output amplifier attenuation
ret = iio_device_attr_write_double(ad9361_phy, "out_voltage0_hardwaregain", -std::abs(tx_attenuation_db_));
if (ret < 0)
{
std::cout << "Failed to set out_voltage0_hardwaregain value " << -std::abs(tx_attenuation_db_) << ". Error " << ret << '\n';
}
// shut down signal in TX2
ret = iio_device_attr_write_double(ad9361_phy, "out_voltage1_hardwaregain", -89.75);
if (ret < 0)
{
std::cout << "Failed to set out_voltage1_hardwaregain value -89.75 dB. Error " << ret << '\n';
}
struct iio_device *dds;
dds = iio_context_find_device(ctx, "cf-ad9361-dds-core-lpc");
struct iio_channel *dds_channel0_I;
dds_channel0_I = iio_device_find_channel(dds, "TX1_I_F1", true);
struct iio_channel *dds_channel0_Q;
dds_channel0_Q = iio_device_find_channel(dds, "TX1_Q_F1", true);
ret = iio_channel_attr_write_bool(dds_channel0_I, "raw", true);
if (ret < 0)
{
std::cout << "Failed to toggle DDS: " << ret << '\n';
}
// set frequency, scale and phase
ret = iio_channel_attr_write_longlong(dds_channel0_I, "frequency", static_cast<int64_t>(freq_dds_tx_hz_));
if (ret < 0)
{
std::cout << "Failed to set TX DDS frequency I: " << ret << '\n';
}
ret = iio_channel_attr_write_longlong(dds_channel0_Q, "frequency", static_cast<int64_t>(freq_dds_tx_hz_));
if (ret < 0)
{
std::cout << "Failed to set TX DDS frequency Q: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel0_I, "phase", phase_dds_deg_ * 1000.0);
if (ret < 0)
{
std::cout << "Failed to set TX DDS phase I: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel0_Q, "phase", phase_dds_deg_ * 1000.0 + 270000.0);
if (ret < 0)
{
std::cout << "Failed to set TX DDS phase Q: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel0_I, "scale", pow(10, scale_dds_dbfs_ / 20.0));
if (ret < 0)
{
std::cout << "Failed to set TX DDS scale I: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel0_Q, "scale", pow(10, scale_dds_dbfs_ / 20.0));
if (ret < 0)
{
std::cout << "Failed to set TX DDS scale Q: " << ret << '\n';
}
// disable TX2
ret = iio_device_attr_write_double(ad9361_phy, "out_voltage1_hardwaregain", -89.0);
if (ret < 0)
{
std::cout << "Failed to set out_voltage1_hardwaregain value " << -89.0 << " error " << ret << '\n';
}
struct iio_channel *dds_channel1_I;
dds_channel1_I = iio_device_find_channel(dds, "TX2_I_F1", true);
struct iio_channel *dds_channel1_Q;
dds_channel1_Q = iio_device_find_channel(dds, "TX2_Q_F1", true);
ret = iio_channel_attr_write_double(dds_channel1_I, "scale", 0);
if (ret < 0)
{
std::cout << "Failed to set TX2 DDS scale I: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel1_Q, "scale", 0);
if (ret < 0)
{
std::cout << "Failed to set TX2 DDS scale Q: " << ret << '\n';
}
iio_context_destroy(ctx);
return true;
}
bool config_ad9361_lo_remote(const std::string &remote_host,
uint64_t bandwidth_,
uint64_t sample_rate_,
uint64_t freq_rf_tx_hz_,
double tx_attenuation_db_,
int64_t freq_dds_tx_hz_,
double scale_dds_dbfs_,
double phase_dds_deg_)
{
// TX stream config
std::cout << "Start of AD9361 TX Local Oscillator DDS configuration\n";
struct iio_channel *tx_chan;
struct stream_cfg txcfg;
txcfg.bw_hz = bandwidth_;
txcfg.fs_hz = sample_rate_;
txcfg.lo_hz = freq_rf_tx_hz_;
txcfg.rfport = "A";
std::cout << "AD9361 Acquiring IIO REMOTE context in host " << remote_host << '\n';
struct iio_context *ctx;
ctx = iio_create_network_context(remote_host.c_str());
if (!ctx)
{
std::cout << "No context\n";
throw std::runtime_error("AD9361 IIO No context");
}
// find tx device
struct iio_device *tx;
std::cout << "* Acquiring AD9361 TX streaming devices\n";
if (!get_ad9361_stream_dev(ctx, TX, &tx))
{
std::cout << "No tx dev found\n";
throw std::runtime_error("AD9361 IIO No tx dev found");
}
std::cout << "* Configuring AD9361 for streaming TX\n";
// ENABLE DDS on TX1
struct iio_device *ad9361_phy;
ad9361_phy = iio_context_find_device(ctx, "ad9361-phy");
if (!get_ad9361_stream_ch(ctx, TX, ad9361_phy, 0, &tx_chan))
{
std::cout << "TX channel 0 not found\n";
throw std::runtime_error("TX channel 0 not found");
}
cfg_ad9361_streaming_ch(&txcfg, tx_chan);
// Configure LO channel
std::cout << "* Acquiring LO channel TX\n";
if (!get_lo_chan(ad9361_phy, TX, 1, &tx_chan))
{
std::cout << "TX LO channel not found\n";
throw std::runtime_error("TX LO channel not found");
}
wr_ch_lli(tx_chan, "frequency", txcfg.lo_hz);
int ret;
// set output amplifier attenuation
ret = iio_device_attr_write_double(ad9361_phy, "out_voltage0_hardwaregain", -std::abs(tx_attenuation_db_));
if (ret < 0)
{
std::cout << "Failed to set out_voltage0_hardwaregain value " << -std::abs(tx_attenuation_db_) << ". Error " << ret << '\n';
}
// shut down signal in TX2
ret = iio_device_attr_write_double(ad9361_phy, "out_voltage1_hardwaregain", -89.75);
if (ret < 0)
{
std::cout << "Failed to set out_voltage1_hardwaregain value -89.75 dB. Error " << ret << '\n';
}
struct iio_device *dds;
dds = iio_context_find_device(ctx, "cf-ad9361-dds-core-lpc");
struct iio_channel *dds_channel0_I;
dds_channel0_I = iio_device_find_channel(dds, "TX1_I_F1", true);
struct iio_channel *dds_channel0_Q;
dds_channel0_Q = iio_device_find_channel(dds, "TX1_Q_F1", true);
ret = iio_channel_attr_write_bool(dds_channel0_I, "raw", true);
if (ret < 0)
{
std::cout << "Failed to toggle DDS: " << ret << '\n';
}
// set frequency, scale and phase
ret = iio_channel_attr_write_longlong(dds_channel0_I, "frequency", static_cast<int64_t>(freq_dds_tx_hz_));
if (ret < 0)
{
std::cout << "Failed to set TX DDS frequency I: " << ret << '\n';
}
ret = iio_channel_attr_write_longlong(dds_channel0_Q, "frequency", static_cast<int64_t>(freq_dds_tx_hz_));
if (ret < 0)
{
std::cout << "Failed to set TX DDS frequency Q: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel0_I, "phase", phase_dds_deg_ * 1000.0);
if (ret < 0)
{
std::cout << "Failed to set TX DDS phase I: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel0_Q, "phase", phase_dds_deg_ * 1000.0 + 270000.0);
if (ret < 0)
{
std::cout << "Failed to set TX DDS phase Q: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel0_I, "scale", pow(10, scale_dds_dbfs_ / 20.0));
if (ret < 0)
{
std::cout << "Failed to set TX DDS scale I: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel0_Q, "scale", pow(10, scale_dds_dbfs_ / 20.0));
if (ret < 0)
{
std::cout << "Failed to set TX DDS scale Q: " << ret << '\n';
}
// disable TX2
ret = iio_device_attr_write_double(ad9361_phy, "out_voltage1_hardwaregain", -89.0);
if (ret < 0)
{
std::cout << "Failed to set out_voltage1_hardwaregain value " << -89.0 << " error " << ret << '\n';
}
struct iio_channel *dds_channel1_I;
dds_channel1_I = iio_device_find_channel(dds, "TX2_I_F1", true);
struct iio_channel *dds_channel1_Q;
dds_channel1_Q = iio_device_find_channel(dds, "TX2_Q_F1", true);
ret = iio_channel_attr_write_double(dds_channel1_I, "scale", 0);
if (ret < 0)
{
std::cout << "Failed to set TX2 DDS scale I: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel1_Q, "scale", 0);
if (ret < 0)
{
std::cout << "Failed to set TX2 DDS scale Q: " << ret << '\n';
}
iio_context_destroy(ctx);
return true;
}
bool ad9361_disable_lo_remote(const std::string &remote_host)
{
std::cout << "AD9361 Acquiring IIO REMOTE context in host " << remote_host << '\n';
struct iio_context *ctx;
ctx = iio_create_network_context(remote_host.c_str());
if (!ctx)
{
std::cout << "No context\n";
throw std::runtime_error("AD9361 IIO No context");
}
struct iio_device *dds;
dds = iio_context_find_device(ctx, "cf-ad9361-dds-core-lpc");
struct iio_channel *dds_channel0_I;
dds_channel0_I = iio_device_find_channel(dds, "TX1_I_F1", true);
struct iio_channel *dds_channel0_Q;
dds_channel0_Q = iio_device_find_channel(dds, "TX1_Q_F1", true);
int ret;
ret = iio_channel_attr_write_bool(dds_channel0_I, "raw", false);
if (ret < 0)
{
std::cout << "Failed to toggle DDS: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel0_I, "scale", 0.0);
if (ret < 0)
{
std::cout << "Failed to set TX DDS scale I: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel0_Q, "scale", 0.0);
if (ret < 0)
{
std::cout << "Failed to set TX DDS scale Q: " << ret << '\n';
}
iio_context_destroy(ctx);
return true;
}
bool ad9361_disable_lo_local()
{
std::cout << "AD9361 Acquiring IIO LOCAL context\n";
struct iio_context *ctx;
ctx = iio_create_default_context();
if (!ctx)
{
std::cout << "No context\n";
throw std::runtime_error("AD9361 IIO No context");
}
struct iio_device *dds;
dds = iio_context_find_device(ctx, "cf-ad9361-dds-core-lpc");
struct iio_channel *dds_channel0_I;
dds_channel0_I = iio_device_find_channel(dds, "TX1_I_F1", true);
struct iio_channel *dds_channel0_Q;
dds_channel0_Q = iio_device_find_channel(dds, "TX1_Q_F1", true);
int ret;
ret = iio_channel_attr_write_bool(dds_channel0_I, "raw", false);
if (ret < 0)
{
std::cout << "Failed to toggle DDS: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel0_I, "scale", 0.0);
if (ret < 0)
{
std::cout << "Failed to set TX DDS scale I: " << ret << '\n';
}
ret = iio_channel_attr_write_double(dds_channel0_Q, "scale", 0.0);
if (ret < 0)
{
std::cout << "Failed to set TX DDS scale Q: " << ret << '\n';
}
iio_context_destroy(ctx);
return true;
}
bool load_fir_filter(
std::string &filter, struct iio_device *phy)
{
if (filter.empty() || !iio_device_find_attr(phy, "filter_fir_config"))
{
return false;
}
std::ifstream ifs(filter.c_str(), std::ifstream::binary);
if (!ifs)
{
return false;
}
// Here, we verify that the filter file contains data for both RX+TX.
{
char buf[256];
do
{
ifs.getline(buf, sizeof(buf));
}
while (!(buf[0] == '-' || (buf[0] >= '0' && buf[0] <= '9')));
std::string line(buf);
if (line.find(',') == std::string::npos)
{
throw std::runtime_error("Incompatible filter file");
}
}
ifs.seekg(0, ifs.end);
int length = ifs.tellg();
ifs.seekg(0, ifs.beg);
std::vector<char> buffer(length);
ifs.read(buffer.data(), length);
ifs.close();
int ret = iio_device_attr_write_raw(phy,
"filter_fir_config", buffer.data(), length);
return ret > 0;
}
bool disable_ad9361_rx_local()
{
struct iio_context *ctx;
struct iio_device *rx;
struct iio_channel *rx_chan0;
struct iio_channel *rx_chan1;
ctx = iio_create_default_context();
if (!ctx)
{
std::cout << "No default context available when disabling RX channels\n";
return false;
}
if (iio_context_get_devices_count(ctx) <= 0)
{
std::cout << "No devices available when disabling RX channels\n";
return false;
}
// check if the second AD9361 is present
struct iio_device *ad9361_phy_B;
bool enable_ad9361_b;
ad9361_phy_B = iio_context_find_device(ctx, RX_DEV_B.c_str());
if (ad9361_phy_B)
{
enable_ad9361_b = true; // the RF board has two AD9361 devices
}
else
{
enable_ad9361_b = false; // the RF board has one AD9361 device
}
std::string rx_stream_dev_a = (enable_ad9361_b ? RX_STREAM_DEV_A : RX_STREAM_DEV);
rx = iio_context_find_device(ctx, rx_stream_dev_a.c_str());
if (!rx)
{
std::cout << "No " << rx_stream_dev_a << " stream dev found when disabling RX channels\n";
throw std::runtime_error("AD9361 IIO No " + rx_stream_dev_a + " stream dev found");
}
// get AD9361-A stream device channel 0 as rx channel 0
if (!get_ad9361_stream_ch(ctx, RX, rx, 0, &rx_chan0))
{
std::cout << rx_stream_dev_a << " channel 0 not found when disabling RX channels\n";
throw std::runtime_error(rx_stream_dev_a + "RX channel 0 not found");
}
if (enable_ad9361_b)
{
rx = iio_context_find_device(ctx, RX_STREAM_DEV_B.c_str());
if (!rx)
{
std::cout << "No " << RX_STREAM_DEV_B << " stream dev found when disabling RX channels\n";
throw std::runtime_error("AD9361 IIO No " + RX_STREAM_DEV_B + " stream dev found");
}
if (!get_ad9361_stream_ch(ctx, RX, rx, 0, &rx_chan1))
{
std::cout << RX_STREAM_DEV_B << " channel 0 not found when disabling RX channels\n";
throw std::runtime_error(RX_STREAM_DEV_B + "RX channel 0 not found");
}
}
else
{
if (!get_ad9361_stream_ch(ctx, RX, rx, 1, &rx_chan1))
{
std::cout << rx_stream_dev_a << " channel 1 not found\n";
throw std::runtime_error(rx_stream_dev_a + "RX channel 1 not found");
}
}
iio_channel_disable(rx_chan0);
iio_channel_disable(rx_chan1);
iio_context_destroy(ctx);
return true;
}
bool disable_ad9361_rx_remote(const std::string &remote_host)
{
struct iio_context *ctx;
struct iio_device *rx;
struct iio_channel *rx_chan0;
struct iio_channel *rx_chan1;
ctx = iio_create_network_context(remote_host.c_str());
if (!ctx)
{
std::cout << "No context available at " << remote_host << "when disabling RX channels\n";
return false;
}
if (!get_ad9361_stream_dev(ctx, RX, &rx))
{
std::cout << "No rx streams found at " << remote_host << " when disabling RX channels\n";
return false;
}
if (!get_ad9361_stream_ch(ctx, RX, rx, 0, &rx_chan0))
{
std::cout << "RX channel 1 not found at " << remote_host << " when disabling RX channels\n";
return false;
}
if (!get_ad9361_stream_ch(ctx, RX, rx, 1, &rx_chan1))
{
std::cout << "RX channel 2 not found at " << remote_host << " when disabling RX channels\n";
return false;
}
iio_channel_disable(rx_chan0);
iio_channel_disable(rx_chan1);
iio_context_destroy(ctx);
return true;
}
Reference in New Issue View Git Blame Copy Permalink