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This commit is contained in:
Javier Arribas
2022-06-03 21:08:13 +02:00
parent b347bcbb79 7612a5e411
commit f8b227952a
21 changed files with 558 additions and 359 deletions
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16
src/algorithms/signal_source/adapters/ad9361_fpga_signal_source.cc
View File

@@ -58,8 +58,9 @@ Ad9361FpgaSignalSource::Ad9361FpgaSignalSource(const ConfigurationInterface *con
filter_filename_(configuration->property(role + ".filter_filename", filter_file_)),
filename0_(configuration->property(role + ".filename", empty_string)),
rf_gain_rx1_(configuration->property(role + ".gain_rx1", default_manual_gain_rx1)),
rf_gain_rx2_(configuration->property(role + ".gain_rx1", default_manual_gain_rx2)),
freq_(configuration->property(role + ".freq", static_cast<uint64_t>(GPS_L1_FREQ_HZ))),
rf_gain_rx2_(configuration->property(role + ".gain_rx2", default_manual_gain_rx2)),
freq0_(configuration->property(role + ".freq", 0)),
freq1_(configuration->property(role + ".freq1", static_cast<uint64_t>(GPS_L5_FREQ_HZ))),
sample_rate_(configuration->property(role + ".sampling_frequency", default_bandwidth)),
bandwidth_(configuration->property(role + ".bandwidth", default_bandwidth)),
samples_to_skip_(0),
@@ -98,6 +99,12 @@ Ad9361FpgaSignalSource::Ad9361FpgaSignalSource(const ConfigurationInterface *con
const double seconds_to_skip = configuration->property(role + ".seconds_to_skip", 0.0);
const size_t header_size = configuration->property(role + ".header_size", 0);
if (freq0_ == 0)
{
// use ".freq0"
freq0_ = configuration->property(role + ".freq0", static_cast<uint64_t>(GPS_L1_FREQ_HZ));
}
if (filter_auto_)
{
filter_source_ = configuration->property(role + ".filter_source", std::string("Auto"));
@@ -340,12 +347,13 @@ Ad9361FpgaSignalSource::Ad9361FpgaSignalSource(const ConfigurationInterface *con
LOG(WARNING) << "Invalid configuration value for bandwidth parameter. Set to bandwidth=" << default_bandwidth;
}
std::cout << "LO frequency : " << freq_ << " Hz\n";
std::cout << "LO frequency : " << freq0_ << " Hz\n";
try
{
config_ad9361_rx_local(bandwidth_,
sample_rate_,
freq_,
freq0_,
freq1_,
rf_port_select_,
rx1_enable_,
rx2_enable_,

3
src/algorithms/signal_source/adapters/ad9361_fpga_signal_source.h
View File

@@ -126,7 +126,8 @@ private:
double rf_gain_rx1_;
double rf_gain_rx2_;
uint64_t freq_; // frequency of local oscillator
uint64_t freq0_; // frequency of local oscillator for ADRV9361-A 0
uint64_t freq1_; // frequency of local oscillator for ADRV9361-B (if present)
uint64_t sample_rate_;
uint64_t bandwidth_;
uint64_t samples_to_skip_;

703
src/algorithms/signal_source/libs/ad9361_manager.cc
View File

@@ -22,6 +22,7 @@
#include <fstream> // for ifstream
#include <iostream>
#include <sstream>
#include <utility>
#include <vector>
/* check return value of attr_write function */
@@ -93,7 +94,7 @@ bool get_ad9361_stream_ch(struct iio_context *ctx __attribute__((unused)), enum
/* finds AD9361 phy IIO configuration channel with id chid */
bool get_phy_chan(struct iio_context *ctx, enum iodev d, int chid, struct iio_channel **chn)
bool get_phy_chan(struct iio_device *dev, enum iodev d, int chid, struct iio_channel **chn)
{
std::stringstream name;
switch (d)
@@ -102,14 +103,14 @@ bool get_phy_chan(struct iio_context *ctx, enum iodev d, int chid, struct iio_ch
name.str("");
name << "voltage";
name << chid;
*chn = iio_device_find_channel(get_ad9361_phy(ctx), name.str().c_str(), false);
*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(get_ad9361_phy(ctx), name.str().c_str(), true);
*chn = iio_device_find_channel(dev, name.str().c_str(), true);
return *chn != nullptr;
break;
default:
@@ -119,17 +120,26 @@ bool get_phy_chan(struct iio_context *ctx, enum iodev d, int chid, struct iio_ch
/* finds AD9361 local oscillator IIO configuration channels */
bool get_lo_chan(struct iio_context *ctx, enum iodev d, struct iio_channel **chn)
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
// LO chan is always output, i.e. true
case RX:
*chn = iio_device_find_channel(get_ad9361_phy(ctx), "altvoltage0", true);
name.str("");
name << "altvoltage";
name << chid;
*chn = iio_device_find_channel(dev, name.str().c_str(), true);
return *chn != nullptr;
break;
case TX:
*chn = iio_device_find_channel(get_ad9361_phy(ctx), "altvoltage1", true);
name.str("");
name << "altvoltage";
name << chid;
*chn = iio_device_find_channel(dev, name.str().c_str(), true);
return *chn != nullptr;
break;
default:
return false;
}
@@ -137,36 +147,173 @@ bool get_lo_chan(struct iio_context *ctx, enum iodev d, struct iio_channel **chn
/* applies streaming configuration through IIO */
bool cfg_ad9361_streaming_ch(struct iio_context *ctx, struct stream_cfg *cfg, enum iodev type, int chid)
void cfg_ad9361_streaming_ch(struct stream_cfg *cfg, iio_channel *chn)
{
struct iio_channel *chn = nullptr;
// Configure phy and lo channels
// LOG(INFO)<<"* Acquiring AD9361 phy channel"<<chid;
std::cout << "* Acquiring AD9361 phy channel" << chid << '\n';
if (!get_phy_chan(ctx, type, chid, &chn))
{
return false;
}
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);
}
// Configure LO channel
// LOG(INFO)<<"* Acquiring AD9361 "<<type == TX ? "TX" : "RX";
std::cout << "* Acquiring AD9361 " << (type == TX ? "TX" : "RX") << '\n';
if (!get_lo_chan(ctx, type, &chn))
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_, float Fpass_, float Fstop_)
{
int ret;
if (filter_source_ == "Off")
{
return false;
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);
}
wr_ch_lli(chn, "frequency", cfg->lo_hz);
return true;
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 freq_,
uint64_t freq0_,
uint64_t freq1_,
const std::string &rf_port_select_,
bool rx1_enable_,
bool rx2_enable_,
@@ -184,12 +331,13 @@ bool config_ad9361_rx_local(uint64_t bandwidth_,
{
// RX stream config
std::cout << "AD9361 Acquiring IIO LOCAL context\n";
struct iio_context *ctx;
// Streaming devices
struct iio_device *rx;
struct iio_channel *rx_chan1;
struct iio_channel *rx_chan2;
struct iio_channel *rx_chan0; // stream channel 0
struct iio_channel *rx_chan1; // stream channel 1
struct iio_channel *chn; // phy channel
int ret;
#ifndef LIBAD9361_VERSION_GREATER_THAN_01
@@ -205,6 +353,8 @@ bool config_ad9361_rx_local(uint64_t bandwidth_,
}
#endif
// iio context
std::cout << "Acquiring IIO LOCAL context\n";
ctx = iio_create_default_context();
if (!ctx)
{
@@ -218,181 +368,144 @@ bool config_ad9361_rx_local(uint64_t bandwidth_,
throw std::runtime_error("AD9361 IIO No devices");
}
// AD9361-A
struct iio_device *ad9361_phy;
ad9361_phy = iio_context_find_device(ctx, "ad9361-phy");
std::cout << "* Acquiring AD9361 streaming devices\n";
if (!get_ad9361_stream_dev(ctx, RX, &rx))
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 found\n";
throw std::runtime_error("AD9361 IIO No rx dev found");
std::cout << "No " << RX_DEV_A << " dev found\n";
throw std::runtime_error("AD9361 IIO no rx dev found");
}
std::cout << "* Initializing AD9361 IIO streaming channels\n";
if (!get_ad9361_stream_ch(ctx, RX, rx, 0, &rx_chan1))
// 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)
{
std::cout << "RX channel 1 not found\n";
throw std::runtime_error("RX channel 1 not found");
enable_ad9361_b = true; // the RF board has two AD9361 devices
}
if (!get_ad9361_stream_ch(ctx, RX, rx, 1, &rx_chan2))
{
std::cout << "RX channel 2 not found\n";
throw std::runtime_error("RX channel 2 not found");
}
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();
if (!cfg_ad9361_streaming_ch(ctx, &rxcfg, RX, 0))
{
std::cout << "RX port 0 not found\n";
throw std::runtime_error("AD9361 IIO RX port 0 not found");
}
}
else if (filter_source_ == "Auto")
{
ret = ad9361_set_bb_rate(ad9361_phy, 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_chan1, "rf_port_select", rf_port_select_.c_str());
ret = iio_device_attr_write(ad9361_phy, "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_chan1, "rf_bandwidth", bandwidth_);
if (!get_lo_chan(ctx, RX, &rx_chan1))
{
return false;
}
wr_ch_lli(rx_chan1, "frequency", freq_);
}
else if (filter_source_ == "File")
{
try
{
if (!load_fir_filter(filter_filename_, ad9361_phy))
{
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, "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_chan1, "rf_bandwidth", bandwidth_);
if (!get_lo_chan(ctx, RX, &rx_chan1))
{
return false;
}
wr_ch_lli(rx_chan1, "frequency", freq_);
}
#if LIBAD9361_VERSION_GREATER_THAN_01
else if (filter_source_ == "Design")
{
ret = ad9361_set_bb_rate_custom_filter_manual(
ad9361_phy, 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, "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_chan1, "rf_bandwidth", bandwidth_);
if (!get_lo_chan(ctx, RX, &rx_chan1))
{
return false;
}
wr_ch_lli(rx_chan1, "frequency", freq_);
}
#endif
else
{
throw std::runtime_error("Unknown filter configuration");
enable_ad9361_b = false; // the RF board has one AD9361 device
}
// Filters can only be disabled after the sample rate has been set
if (filter_source_ == "Off")
// 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)
{
ret = ad9361_set_trx_fir_enable(ad9361_phy, false);
if (ret)
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, &chn))
{
std::cout << "RX LO channel 0not found\n";
throw std::runtime_error("RX LO channel 0not found");
}
wr_ch_lli(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)
{
throw std::runtime_error("Unable to disable filters");
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, 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, filter_filename_, Fpass_, Fstop_) == -1)
{
return false;
}
}
std::cout << "* Enabling IIO streaming channels\n";
if (rx1_enable_)
{
iio_channel_enable(rx_chan1);
iio_channel_enable(rx_chan0);
}
if (rx2_enable_)
{
iio_channel_enable(rx_chan2);
iio_channel_enable(rx_chan1);
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";
}
ret = iio_device_attr_write(ad9361_phy, "trx_rate_governor", "nominal");
if (ret < 0)
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)
{
std::cout << "Failed to set trx_rate_governor: " << ret << '\n';
throw std::runtime_error("configuring " + RX_DEV_A + " device parameters failed\n");
}
ret = iio_device_attr_write(ad9361_phy, "ensm_mode", "fdd");
if (ret < 0)
if (enable_ad9361_b)
{
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';
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_);
@@ -401,12 +514,27 @@ bool config_ad9361_rx_local(uint64_t bandwidth_,
std::cout << "Failed to set in_voltage0_hardwaregain: " << ret << '\n';
}
}
if (gain_mode_rx2_ == "manual")
if (!enable_ad9361_b)
{
ret = iio_device_attr_write_double(ad9361_phy, "in_voltage1_hardwaregain", rf_gain_rx2_);
if (ret < 0)
if (gain_mode_rx2_ == "manual")
{
std::cout << "Failed to set in_voltage1_hardwaregain: " << ret << '\n';
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';
}
}
}
@@ -440,8 +568,9 @@ bool config_ad9361_rx_remote(const std::string &remote_host,
struct iio_context *ctx;
// Streaming devices
struct iio_device *rx;
struct iio_channel *rx_chan0;
struct iio_channel *rx_chan1;
struct iio_channel *rx_chan2;
struct iio_channel *chn; // phy channel
#ifndef LIBAD9361_VERSION_GREATER_THAN_01
if (filter_source_ == "Design")
@@ -484,124 +613,42 @@ bool config_ad9361_rx_remote(const std::string &remote_host,
int ret;
std::cout << "* Initializing AD9361 IIO streaming channels\n";
if (!get_ad9361_stream_ch(ctx, RX, rx, 0, &rx_chan1))
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_chan2))
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 (filter_source_ == "Off")
if (!get_phy_chan(ad9361_phy, RX, 0, &chn))
{
struct stream_cfg rxcfg;
rxcfg.bw_hz = bandwidth_;
rxcfg.fs_hz = sample_rate_;
rxcfg.lo_hz = freq_;
rxcfg.rfport = rf_port_select_.c_str();
if (!cfg_ad9361_streaming_ch(ctx, &rxcfg, RX, 0))
{
std::cout << "RX port 0 not found\n";
throw std::runtime_error("AD9361 IIO RX port 0 not found");
}
return false;
}
else if (filter_source_ == "Auto")
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)
{
ret = ad9361_set_bb_rate(ad9361_phy, 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_chan1, "rf_port_select", rf_port_select_.c_str());
ret = iio_device_attr_write(ad9361_phy, "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_chan1, "rf_bandwidth", bandwidth_);
if (!get_lo_chan(ctx, RX, &rx_chan1))
{
return false;
}
wr_ch_lli(rx_chan1, "frequency", freq_);
}
else if (filter_source_ == "File")
{
try
{
if (!load_fir_filter(filter_filename_, ad9361_phy))
{
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, "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_chan1, "rf_bandwidth", bandwidth_);
if (!get_lo_chan(ctx, RX, &rx_chan1))
{
return false;
}
wr_ch_lli(rx_chan1, "frequency", freq_);
}
#if LIBAD9361_VERSION_GREATER_THAN_01
else if (filter_source_ == "Design")
{
ret = ad9361_set_bb_rate_custom_filter_manual(
ad9361_phy, 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, "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_chan1, "rf_bandwidth", bandwidth_);
if (!get_lo_chan(ctx, RX, &rx_chan1))
{
return false;
}
wr_ch_lli(rx_chan1, "frequency", freq_);
}
#endif
else
{
throw std::runtime_error("Unknown filter configuration");
return false;
}
// Filters can only be disabled after the sample rate has been set
if (filter_source_ == "Off")
// Configure LO channel
std::cout << "* Acquiring LO channel RX\n";
if (!get_lo_chan(ad9361_phy, RX, 0, &chn))
{
ret = ad9361_set_trx_fir_enable(ad9361_phy, false);
if (ret)
{
throw std::runtime_error("Unable to disable filters");
}
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_chan1);
iio_channel_enable(rx_chan0);
}
if (rx2_enable_)
{
iio_channel_enable(rx_chan2);
iio_channel_enable(rx_chan1);
}
if (!rx1_enable_ and !rx2_enable_)
{
@@ -682,6 +729,7 @@ bool config_ad9361_lo_local(uint64_t bandwidth_,
{
// 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_;
@@ -709,15 +757,28 @@ bool config_ad9361_lo_local(uint64_t bandwidth_,
}
std::cout << "* Configuring AD9361 for streaming TX\n";
if (!cfg_ad9361_streaming_ch(ctx, &txcfg, TX, 0))
{
std::cout << "TX port 0 not found\n";
throw std::runtime_error("AD9361 IIO TX port 0 not found");
}
// 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_));
@@ -824,6 +885,7 @@ bool config_ad9361_lo_remote(const std::string &remote_host,
{
// 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_;
@@ -851,15 +913,28 @@ bool config_ad9361_lo_remote(const std::string &remote_host,
}
std::cout << "* Configuring AD9361 for streaming TX\n";
if (!cfg_ad9361_streaming_ch(ctx, &txcfg, TX, 0))
{
std::cout << "TX port 0 not found\n";
throw std::runtime_error("AD9361 IIO TX port 0 not found");
}
// 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_));
@@ -1089,8 +1164,8 @@ bool disable_ad9361_rx_local()
{
struct iio_context *ctx;
struct iio_device *rx;
struct iio_channel *rx_chan0;
struct iio_channel *rx_chan1;
struct iio_channel *rx_chan2;
ctx = iio_create_default_context();
if (!ctx)
@@ -1105,26 +1180,60 @@ bool disable_ad9361_rx_local()
return false;
}
if (!get_ad9361_stream_dev(ctx, RX, &rx))
// 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)
{
std::cout << "No rx streams found when disabling RX channels\n";
return false;
enable_ad9361_b = true; // the RF board has two AD9361 devices
}
else
{
enable_ad9361_b = false; // the RF board has one AD9361 device
}
if (!get_ad9361_stream_ch(ctx, RX, rx, 0, &rx_chan1))
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 << "RX channel 1 not found when disabling RX channels\n";
return false;
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");
}
if (!get_ad9361_stream_ch(ctx, RX, rx, 1, &rx_chan2))
// 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 channel 2 not found when disabling RX channels\n";
return false;
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_channel_disable(rx_chan2);
iio_context_destroy(ctx);
return true;
}
@@ -1134,8 +1243,8 @@ 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;
struct iio_channel *rx_chan2;
ctx = iio_create_network_context(remote_host.c_str());
if (!ctx)
@@ -1150,19 +1259,19 @@ bool disable_ad9361_rx_remote(const std::string &remote_host)
return false;
}
if (!get_ad9361_stream_ch(ctx, RX, rx, 0, &rx_chan1))
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_chan2))
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_channel_disable(rx_chan2);
iio_context_destroy(ctx);
return true;
}

10
src/algorithms/signal_source/libs/ad9361_manager.h
View File

@@ -32,6 +32,13 @@
#define FIR_BUF_SIZE 8192
static const std::string RX_DEV_A = "ad9361-phy"; // one or two AD9361s are present
static const std::string RX_DEV_B = "ad9361-phy-B"; // one or two AD9361s are present
static const std::string RX_STREAM_DEV = "cf-ad9361-lpc"; // one AD9361 is present
static const std::string RX_STREAM_DEV_A = "cf-ad9361-A"; // two AD9361s are present
static const std::string RX_STREAM_DEV_B = "cf-ad9361-B"; // two AD9361s are present
static const std::string TX_STREAM_DEV = "cf-ad9361-dds-core-lpc";
/* RX is input, TX is output */
enum iodev
{
@@ -77,7 +84,8 @@ bool cfg_ad9361_streaming_ch(struct iio_context *ctx, struct stream_cfg *cfg, en
bool config_ad9361_rx_local(uint64_t bandwidth_,
uint64_t sample_rate_,
uint64_t freq_,
uint64_t freq0_,
uint64_t freq1_,
const std::string &rf_port_select_,
bool rx1_enable_,
bool rx2_enable_,

13
src/algorithms/signal_source/libs/fpga_dma.cc
View File

@@ -31,7 +31,7 @@ int Fpga_DMA::DMA_open()
return tx_channel.fd;
}
tx_channel.buf_ptr = (struct channel_buffer *)mmap(NULL, sizeof(struct channel_buffer) * TX_BUFFER_COUNT,
tx_channel.buf_ptr = (struct channel_buffer *)mmap(nullptr, sizeof(struct channel_buffer) * TX_BUFFER_COUNT,
PROT_READ | PROT_WRITE, MAP_SHARED, tx_channel.fd, 0);
if (tx_channel.buf_ptr == MAP_FAILED)
{
@@ -68,7 +68,7 @@ int Fpga_DMA::DMA_open()
}
std::array<int8_t, BUFFER_SIZE> *Fpga_DMA::get_buffer_address(void)
std::array<int8_t, BUFFER_SIZE> *Fpga_DMA::get_buffer_address() // NOLINT(readability-make-member-function-const)
{
#if INTPTR_MAX == INT64_MAX // 64-bit processor architecture
return &tx_channel.buf_ptr[0].buffer;
@@ -78,7 +78,7 @@ std::array<int8_t, BUFFER_SIZE> *Fpga_DMA::get_buffer_address(void)
}
int Fpga_DMA::DMA_write(int nbytes)
int Fpga_DMA::DMA_write(int nbytes) const
{
#if INTPTR_MAX == INT64_MAX // 64-bit processor architecture
@@ -105,21 +105,18 @@ int Fpga_DMA::DMA_write(int nbytes)
std::cerr << "Proxy DMA Tx transfer error " << '\n';
return -1;
}
#else // 32-bit processor architecture
const int num_bytes_sent = write(tx_fd, buffer.data(), nbytes);
if (num_bytes_sent != nbytes)
{
return -1;
}
#endif
return 0;
}
int Fpga_DMA::DMA_close()
int Fpga_DMA::DMA_close() const
{
#if INTPTR_MAX == INT64_MAX // 64-bit processor architecture
if (munmap(tx_channel.buf_ptr, sizeof(struct channel_buffer)))

6
src/algorithms/signal_source/libs/fpga_dma.h
View File

@@ -78,17 +78,17 @@ public:
/*!
* \brief Obtain DMA buffer address.
*/
std::array<int8_t, BUFFER_SIZE> *get_buffer_address(void);
std::array<int8_t, BUFFER_SIZE> *get_buffer_address(void); // NOLINT(readability-make-member-function-const)
/*!
* \brief Transfer DMA data
*/
int DMA_write(int nbytes);
int DMA_write(int nbytes) const;
/*!
* \brief Close the DMA device driver
*/
int DMA_close(void);
int DMA_close(void) const;
private:
#if INTPTR_MAX == INT64_MAX // 64-bit processor architecture