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Merge branch 'next' of https://github.com/gnss-sdr/gnss-sdr into next

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This commit is contained in:
Carles Fernandez 2018-03-27 21:25:13 +02:00
commit c362d1d1b4
12 changed files with 1267 additions and 38 deletions
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53
cmake/Modules/Findlibiio.cmake Normal file
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@ -0,0 +1,53 @@
INCLUDE(FindPkgConfig)
PKG_CHECK_MODULES(PC_LIBIIO libiio)
FIND_PATH(
LIBIIO_INCLUDE_DIRS
NAMES gnuradio/iio/api.h
HINTS $ENV{LIBIIO_DIR}/include
${PC_LIBIIO_INCLUDEDIR}
PATHS ${CMAKE_INSTALL_PREFIX}/include
/usr/local/include
/usr/include
/opt/local/include
)
FIND_LIBRARY(
LIBIIO_LIBRARIES
NAMES libiio.so iio
HINTS $ENV{LIBIIO_DIR}/lib
${PC_LIBIIO_LIBDIR}
PATHS ${CMAKE_INSTALL_PREFIX}/lib
${CMAKE_INSTALL_PREFIX}/lib64
/usr/local/lib
/usr/local/lib64
/usr/lib
/usr/lib64
/usr/lib/x86_64-linux-gnu
/usr/lib/gcc/alpha-linux-gnu
/usr/lib/gcc/aarch64-linux-gnu
/usr/lib/gcc/arm-linux-gnueabi
/usr/lib/gcc/arm-linux-gnueabihf
/usr/lib/gcc/hppa-linux-gnu
/usr/lib/gcc/i686-gnu
/usr/lib/gcc/i686-linux-gnu
/usr/lib/gcc/x86_64-kfreebsd-gnu
/usr/lib/gcc/i686-kfreebsd-gnu
/usr/lib/gcc/m68k-linux-gnu
/usr/lib/gcc/mips-linux-gnu
/usr/lib/gcc/mips64el-linux-gnuabi64
/usr/lib/gcc/mipsel-linux-gnu
/usr/lib/gcc/powerpc-linux-gnu
/usr/lib/gcc/powerpc-linux-gnuspe
/usr/lib/gcc/powerpc64-linux-gnu
/usr/lib/gcc/powerpc64le-linux-gnu
/usr/lib/gcc/s390x-linux-gnu
/usr/lib/gcc/sparc64-linux-gnu
/usr/lib/gcc/x86_64-linux-gnux32
/usr/lib/gcc/sh4-linux-gnu
/Library/Frameworks/iio.framework/
)
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(LIBIIO DEFAULT_MSG LIBIIO_LIBRARIES LIBIIO_INCLUDE_DIRS)
MARK_AS_ADVANCED(LIBIIO_LIBRARIES LIBIIO_INCLUDE_DIRS)

114
conf/gnss-sdr_GPS_L1_2ch_fmcomms2_realtime.conf Normal file
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@ -0,0 +1,114 @@
; You can define your own receiver and invoke it by doing
; gnss-sdr --config_file=my_GNSS_SDR_configuration.conf
;
[GNSS-SDR]
;######### GLOBAL OPTIONS ##################
;internal_fs_sps: Internal signal sampling frequency after the signal conditioning stage [Sps].
;FOR USE GNSS-SDR WITH RTLSDR DONGLES USER MUST SET THE CALIBRATED SAMPLE RATE HERE
; i.e. using front-end-cal as reported here:http://www.cttc.es/publication/turning-a-television-into-a-gnss-receiver/
GNSS-SDR.internal_fs_sps=7000000
;######### SIGNAL_SOURCE CONFIG ############
SignalSource.implementation=Fmcomms2_Signal_Source
SignalSource.item_type=gr_complex
SignalSource.device_address=192.168.0.4
SignalSource.sampling_frequency=7000000
SignalSource.freq=1575420000
SignalSource.bandwidth=4000000
SignalSource.RF_channels=2
SignalSource.rx1_enable=true
SignalSource.rx2_enable=true
SignalSource.gain_mode_rx1=slow_attack
SignalSource.gain_mode_rx2=slow_attack
SignalSource.rf_port_select=A_BALANCED
SignalSource.gain_rx1=64
SignalSource.gain_rx2=64
SignalSource.samples=0
SignalSource.repeat=false
SignalSource.dump=false
SignalSource.dump_filename=../data/signal_source.dat
SignalSource.enable_throttle_control=false
SignalSource.enable_dds_lo=false
SignalSource.freq_rf_tx_hz=1260000000
SignalSource.freq_dds_tx_hz=1000
SignalSource.scale_dds_dbfs=0.0
SignalSource.phase_dds_deg=0.0
SignalSource.tx_attenuation_db=0.0
;######### SIGNAL_CONDITIONER CONFIG ############
SignalConditioner0.implementation=Pass_Through
SignalConditioner1.implementation=Pass_Through
;######### CHANNELS GLOBAL CONFIG ############
Channels_1C.count=8
Channels.in_acquisition=1
;# CHANNEL CONNECTION
Channel0.RF_channel_ID=0
Channel0.signal=1C
Channel1.RF_channel_ID=0
Channel1.signal=1C
Channel2.RF_channel_ID=0
Channel2.signal=1C
Channel3.RF_channel_ID=0
Channel3.signal=1C
Channel4.RF_channel_ID=1
Channel4.signal=1C
Channel5.RF_channel_ID=1
Channel5.signal=1C
Channel6.RF_channel_ID=1
Channel6.signal=1C
Channel7.RF_channel_ID=1
Channel7.signal=1C
;######### ACQUISITION GLOBAL CONFIG ############
Acquisition_1C.implementation=GPS_L1_CA_PCPS_Acquisition
Acquisition_1C.item_type=gr_complex
Acquisition_1C.threshold=20
Acquisition_1C.use_CFAR_algorithm=false
Acquisition_1C.blocking=true
Acquisition_1C.doppler_max=10000
Acquisition_1C.doppler_step=250
Acquisition_1C.dump=false
Acquisition_1C.dump_filename=./acq_dump.dat
;######### TRACKING GLOBAL CONFIG ############
Tracking_1C.implementation=GPS_L1_CA_DLL_PLL_Tracking
Tracking_1C.item_type=gr_complex
Tracking_1C.dump=false
Tracking_1C.dump_filename=./tracking_ch_
Tracking_1C.pll_bw_hz=35.0;
Tracking_1C.dll_bw_hz=2.0;
Tracking_1C.early_late_space_chips=0.5;
;######### TELEMETRY DECODER GPS CONFIG ############
TelemetryDecoder_1C.implementation=GPS_L1_CA_Telemetry_Decoder
TelemetryDecoder_1C.dump=false
;######### OBSERVABLES CONFIG ############
Observables.implementation=Hybrid_Observables
Observables.dump=false
Observables.dump_filename=./observables.dat
;######### PVT CONFIG ############
PVT.implementation=RTKLIB_PVT
PVT.positioning_mode=Single ; options: Single, Static, Kinematic, PPP_Static, PPP_Kinematic
PVT.iono_model=Broadcast ; options: OFF, Broadcast, SBAS, Iono-Free-LC, Estimate_STEC, IONEX
PVT.trop_model=Saastamoinen ; options: OFF, Saastamoinen, SBAS, Estimate_ZTD, Estimate_ZTD_Grad
PVT.output_rate_ms=100
PVT.display_rate_ms=500
PVT.dump_filename=./PVT
PVT.nmea_dump_filename=./gnss_sdr_pvt.nmea;
PVT.flag_nmea_tty_port=false;
PVT.nmea_dump_devname=/dev/pts/4
PVT.flag_rtcm_server=false
PVT.flag_rtcm_tty_port=false
PVT.rtcm_dump_devname=/dev/pts/1
PVT.dump=false

6
src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/apps/volk_gnsssdr_option_helpers.h
View File

@ -16,8 +16,8 @@
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef VOLK_VOLK_OPTION_HELPERS_H
#define VOLK_VOLK_OPTION_HELPERS_H
#ifndef VOLK_GNSSSDR_OPTION_HELPERS_H
#define VOLK_GNSSSDR_OPTION_HELPERS_H
#include <climits>
#include <cstring>
@ -71,4 +71,4 @@ private:
};
#endif //VOLK_VOLK_OPTION_HELPERS_H
#endif //VOLK_GNSSSDR_OPTION_HELPERS_H

2
src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/apps/volk_gnsssdr_profile.cc
View File

@ -148,7 +148,7 @@ int main(int argc, char *argv[])
}
catch (std::string &error)
{
std::cerr << "Caught Exception in 'run_volk_gnssdr_tests': " << error << std::endl;
std::cerr << "Caught Exception in 'run_volk_gnsssdr_tests': " << error << std::endl;
}
}
}

2
src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/apps/volk_gnsssdr_profile.h
View File

@ -32,7 +32,7 @@
#include <string> // for string
#include <vector> // for vector
class volk_test_results_t;
class volk_gnsssdr_test_results_t;
void read_results(std::vector<volk_gnsssdr_test_results_t> *results);

82
src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/lib/qa_utils.cc
View File

@ -16,14 +16,10 @@
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
*/
#include "volk_gnsssdr/volk_gnsssdr.h" // for volk_gnsssdr_func_desc_t
#include "qa_utils.h"
#include "volk_gnsssdr/volk_gnsssdr.h" // for volk_gnsssdr_func_desc_t
#include "volk_gnsssdr/volk_gnsssdr_malloc.h" // for volk_gnsssdr_free, volk_gnsssdr_malloc
#include <boost/foreach.hpp> // for auto_any_base
#include <boost/lexical_cast.hpp> // for lexical_cast
#include <boost/token_functions.hpp> // for char_separator
#include <boost/token_iterator.hpp> // for token_iterator
#include <boost/tokenizer.hpp> // for tokenizer
#include <volk_gnsssdr/volk_gnsssdr_malloc.h> // for volk_gnsssdr_free, volk_gnsssdr_malloc
#include <cassert> // for assert
#include <chrono> // for system_clock, duration,...
#include <cmath> // for sqrt, fabs, abs
@ -122,6 +118,24 @@ static std::vector<std::string> get_arch_list(volk_gnsssdr_func_desc_t desc)
return archlist;
}
template <typename T>
T volk_lexical_cast(const std::string &str)
{
for (unsigned int c_index = 0; c_index < str.size(); ++c_index)
{
if (str.at(c_index) < '0' || str.at(c_index) > '9')
{
throw "not all numbers!";
}
}
T var;
std::istringstream iss;
iss.str(str);
iss >> var;
// deal with any error bits that may have been set on the stream
return var;
}
volk_gnsssdr_type_t volk_gnsssdr_type_from_string(std::string name)
{
volk_gnsssdr_type_t type;
@ -151,7 +165,7 @@ volk_gnsssdr_type_t volk_gnsssdr_type_from_string(std::string name)
throw std::string("no size spec in type ").append(name);
}
//will throw if malformed
int size = boost::lexical_cast<int>(name.substr(0, last_size_pos + 1));
int size = volk_lexical_cast<int>(name.substr(0, last_size_pos + 1));
assert(((size % 8) == 0) && (size <= 64) && (size != 0));
type.size = size / 8; //in bytes
@ -180,21 +194,42 @@ volk_gnsssdr_type_t volk_gnsssdr_type_from_string(std::string name)
return type;
}
std::vector<std::string> split_signature(const std::string &protokernel_signature)
{
std::vector<std::string> signature_tokens;
std::string token;
for (unsigned int loc = 0; loc < protokernel_signature.size(); ++loc)
{
if (protokernel_signature.at(loc) == '_')
{
if (protokernel_signature.substr(loc + 1, 7).compare("gnsssdr") == 0) // jump the "gnsssdr" part of "volk_gnsssdr"
{
loc += 7;
}
else
{
// this is a break
signature_tokens.push_back(token);
token = "";
}
}
else
{
token.push_back(protokernel_signature.at(loc));
}
}
// Get the last one to the end of the string
signature_tokens.push_back(token);
return signature_tokens;
}
static void get_signatures_from_name(std::vector<volk_gnsssdr_type_t> &inputsig,
std::vector<volk_gnsssdr_type_t> &outputsig,
std::string name)
{
boost::char_separator<char> sep("_");
boost::tokenizer<boost::char_separator<char> > tok(name, sep);
std::vector<std::string> toked;
tok.assign(name);
toked.assign(tok.begin(), tok.end());
std::vector<std::string> toked = split_signature(name);
assert(toked[0] == "volk");
toked.erase(toked.begin());
toked.erase(toked.begin());
//ok. we're assuming a string in the form
//(sig)_(multiplier-opt)_..._(name)_(sig)_(multiplier-opt)_..._(alignment)
enum
{
@ -204,8 +239,9 @@ static void get_signatures_from_name(std::vector<volk_gnsssdr_type_t> &inputsig,
} side = SIDE_INPUT;
std::string fn_name;
volk_gnsssdr_type_t type;
BOOST_FOREACH (std::string token, toked)
for (unsigned int token_index = 0; token_index < toked.size(); ++token_index)
{
std::string token = toked[token_index];
try
{
type = volk_gnsssdr_type_from_string(token);
@ -224,7 +260,7 @@ static void get_signatures_from_name(std::vector<volk_gnsssdr_type_t> &inputsig,
assert(inputsig.size() > 0);
else
assert(outputsig.size() > 0);
int multiplier = boost::lexical_cast<int>(token.substr(1, token.size() - 1)); //will throw if invalid ///////////
int multiplier = volk_lexical_cast<int>(token.substr(1, token.size() - 1)); // will throw if invalid
for (int i = 1; i < multiplier; i++)
{
if (side == SIDE_INPUT)
@ -523,7 +559,7 @@ bool run_volk_gnsssdr_tests(volk_gnsssdr_func_desc_t desc,
{
get_signatures_from_name(inputsig, outputsig, name);
}
catch (boost::bad_lexical_cast &error)
catch (std::exception &error)
{
std::cerr << "Error: unable to get function signature from kernel name" << std::endl;
std::cerr << " - " << name << std::endl;
@ -542,8 +578,9 @@ bool run_volk_gnsssdr_tests(volk_gnsssdr_func_desc_t desc,
}
}
std::vector<void *> inbuffs;
BOOST_FOREACH (volk_gnsssdr_type_t sig, inputsig)
for (unsigned int inputsig_index = 0; inputsig_index < inputsig.size(); ++inputsig_index)
{
volk_gnsssdr_type_t sig = inputsig[inputsig_index];
if (!sig.is_scalar) //we don't make buffers for scalars
inbuffs.push_back(mem_pool.get_new(vlen * sig.size * (sig.is_complex ? 2 : 1)));
}
@ -703,6 +740,9 @@ bool run_volk_gnsssdr_tests(volk_gnsssdr_func_desc_t desc,
else
throw "unsupported 3 arg function >1 scalars";
break;
case 4:
run_cast_test4((volk_gnsssdr_fn_4arg)(manual_func), test_data[i], vlen, iter, arch_list[i]);
break;
default:
throw "no function handler for this signature";
break;

91
src/algorithms/signal_source/adapters/fmcomms2_signal_source.cc
View File

@ -32,7 +32,9 @@
#include "fmcomms2_signal_source.h"
#include "configuration_interface.h"
#include "gnss_sdr_valve.h"
#include "ad9361_manager.h"
#include "GPS_L1_CA.h"
#include "GPS_L2C.h"
#include <glog/logging.h>
#include <iostream>
@ -55,6 +57,7 @@ Fmcomms2SignalSource::Fmcomms2SignalSource(ConfigurationInterface* configuration
quadrature_ = configuration->property(role + ".quadrature", true);
rf_dc_ = configuration->property(role + ".rf_dc", true);
bb_dc_ = configuration->property(role + ".bb_dc", true);
RF_channels_ = configuration->property(role + ".RF_channels", 1);
gain_mode_rx1_ = configuration->property(role + ".gain_mode_rx1", std::string("manual"));
gain_mode_rx2_ = configuration->property(role + ".gain_mode_rx2", std::string("manual"));
rf_gain_rx1_ = configuration->property(role + ".gain_rx1", 64.0);
@ -67,6 +70,14 @@ Fmcomms2SignalSource::Fmcomms2SignalSource(ConfigurationInterface* configuration
dump_ = configuration->property(role + ".dump", false);
dump_filename_ = configuration->property(role + ".dump_filename", default_dump_file);
//AD9361 Local Oscillator generation for dual band operation
enable_dds_lo_ = configuration->property(role + ".enable_dds_lo", false);
freq_rf_tx_hz_ = configuration->property(role + ".freq_rf_tx_hz", GPS_L1_FREQ_HZ - GPS_L2_FREQ_HZ - 1000);
freq_dds_tx_hz_ = configuration->property(role + ".freq_dds_tx_hz", 1000);
scale_dds_dbfs_ = configuration->property(role + ".scale_dds_dbfs", 0.0);
phase_dds_deg_ = configuration->property(role + ".phase_dds_deg", 0.0);
tx_attenuation_db_ = configuration->property(role + ".tx_attenuation_db", 0.0);
item_size_ = sizeof(gr_complex);
std::cout << "device address: " << uri_ << std::endl;
@ -75,15 +86,73 @@ Fmcomms2SignalSource::Fmcomms2SignalSource(ConfigurationInterface* configuration
if (item_type_.compare("gr_complex") == 0)
{
fmcomms2_source_f32c_ = gr::iio::fmcomms2_source_f32c::make(
uri_.c_str(), freq_, sample_rate_,
bandwidth_,
rx1_en_, rx2_en_,
buffer_size_, quadrature_, rf_dc_,
bb_dc_, gain_mode_rx1_.c_str(), rf_gain_rx1_,
gain_mode_rx2_.c_str(), rf_gain_rx2_,
rf_port_select_.c_str(), filter_file_.c_str(),
filter_auto_);
if (RF_channels_ == 1)
{
if (rx1_en_ and rx2_en_)
{
LOG(FATAL) << "Configuration error: both rx1 and rx2 are enabled but RF_channels=1 !";
}
else
{
fmcomms2_source_f32c_ = gr::iio::fmcomms2_source_f32c::make(
uri_.c_str(), freq_, sample_rate_,
bandwidth_,
rx1_en_, rx2_en_,
buffer_size_, quadrature_, rf_dc_,
bb_dc_, gain_mode_rx1_.c_str(), rf_gain_rx1_,
gain_mode_rx2_.c_str(), rf_gain_rx2_,
rf_port_select_.c_str(), filter_file_.c_str(),
filter_auto_);
//configure LO
if (enable_dds_lo_ == true)
{
std::cout << "Enabling Local Oscillator generator in FMCOMMS2\n";
config_ad9361_lo_remote(uri_,
bandwidth_,
sample_rate_,
freq_rf_tx_hz_,
tx_attenuation_db_,
freq_dds_tx_hz_,
scale_dds_dbfs_);
}
}
}
else if (RF_channels_ == 2)
{
if (!(rx1_en_ and rx2_en_))
{
LOG(FATAL) << "Configuration error: RF_channels=2 but are not enabled both receivers in FMCOMMS2 !";
}
else
{
fmcomms2_source_f32c_ = gr::iio::fmcomms2_source_f32c::make(
uri_.c_str(), freq_, sample_rate_,
bandwidth_,
rx1_en_, rx2_en_,
buffer_size_, quadrature_, rf_dc_,
bb_dc_, gain_mode_rx1_.c_str(), rf_gain_rx1_,
gain_mode_rx2_.c_str(), rf_gain_rx2_,
rf_port_select_.c_str(), filter_file_.c_str(),
filter_auto_);
//configure LO
if (enable_dds_lo_ == true)
{
std::cout << "Enabling Local Oscillator generator in FMCOMMS2\n";
config_ad9361_lo_remote(uri_,
bandwidth_,
sample_rate_,
freq_rf_tx_hz_,
tx_attenuation_db_,
freq_dds_tx_hz_,
scale_dds_dbfs_);
}
}
}
else
{
LOG(FATAL) << "Configuration error: Unsupported number of RF_channels !";
}
}
else
{
@ -108,6 +177,10 @@ Fmcomms2SignalSource::Fmcomms2SignalSource(ConfigurationInterface* configuration
Fmcomms2SignalSource::~Fmcomms2SignalSource()
{
if (enable_dds_lo_ == true)
{
ad9361_disable_lo_remote(uri_);
}
}

9
src/algorithms/signal_source/adapters/fmcomms2_signal_source.h
View File

@ -88,6 +88,7 @@ private:
bool quadrature_;
bool rf_dc_;
bool bb_dc_;
int RF_channels_;
std::string gain_mode_rx1_;
std::string gain_mode_rx2_;
double rf_gain_rx1_;
@ -96,6 +97,14 @@ private:
std::string filter_file_;
bool filter_auto_;
//DDS configuration for LO generation for external mixer
bool enable_dds_lo_;
unsigned long freq_rf_tx_hz_;
unsigned long freq_dds_tx_hz_;
double scale_dds_dbfs_;
double phase_dds_deg_;
double tx_attenuation_db_;
unsigned int in_stream_;
unsigned int out_stream_;

44
src/algorithms/signal_source/libs/CMakeLists.txt
View File

@ -16,16 +16,58 @@
# along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
#
if(ENABLE_PLUTOSDR OR ENABLE_FMCOMMS2)
find_package(iio REQUIRED)
if(NOT IIO_FOUND)
message(STATUS "gnuradio-iio not found, its installation is required.")
message(STATUS "Please build and install the following projects:")
message(STATUS " * libiio from https://github.com/analogdevicesinc/libiio")
message(STATUS " * libad9361-iio from https://github.com/analogdevicesinc/libad9361-iio")
message(STATUS " * gnuradio-iio from https://github.com/analogdevicesinc/gr-iio")
message(FATAL_ERROR "gnuradio-iio required for building gnss-sdr with this option enabled")
endif(NOT IIO_FOUND)
set(OPT_LIBRARIES ${OPT_LIBRARIES} ${IIO_LIBRARIES})
set(OPT_DRIVER_INCLUDE_DIRS ${OPT_DRIVER_INCLUDE_DIRS} ${IIO_INCLUDE_DIRS})
find_package(libiio REQUIRED)
if(NOT LIBIIO_FOUND)
message(STATUS "gnuradio-iio not found, its installation is required.")
message(STATUS "Please build and install the following projects:")
message(STATUS " * libiio from https://github.com/analogdevicesinc/libiio")
message(STATUS " * libad9361-iio from https://github.com/analogdevicesinc/libad9361-iio")
message(STATUS " * gnuradio-iio from https://github.com/analogdevicesinc/gr-iio")
message(FATAL_ERROR "gnuradio-iio required for building gnss-sdr with this option enabled")
endif(NOT LIBIIO_FOUND)
set(OPT_LIBRARIES ${OPT_LIBRARIES} ${LIBIIO_LIBRARIES})
set(OPT_DRIVER_INCLUDE_DIRS ${OPT_DRIVER_INCLUDE_DIRS} ${LIBIIO_INCLUDE_DIRS})
endif(ENABLE_PLUTOSDR OR ENABLE_FMCOMMS2)
if(ENABLE_FMCOMMS2)
###############################################
# FMCOMMS2 based SDR Hardware
###############################################
if(IIO_FOUND)
set(OPT_SIGNAL_SOURCE_LIB_SOURCES ad9361_manager.cc)
endif(IIO_FOUND)
endif(ENABLE_FMCOMMS2)
set (SIGNAL_SOURCE_LIB_SOURCES
rtl_tcp_commands.cc
rtl_tcp_dongle_info.cc)
rtl_tcp_dongle_info.cc
${OPT_SIGNAL_SOURCE_LIB_SOURCES})
include_directories(
${CMAKE_CURRENT_SOURCE_DIR}
${Boost_INCLUDE_DIRS}
${OPT_DRIVER_INCLUDE_DIRS}
)
file(GLOB SIGNAL_SOURCE_LIB_HEADERS "*.h")
list(SORT SIGNAL_SOURCE_LIB_HEADERS)
add_library(signal_source_lib ${SIGNAL_SOURCE_LIB_SOURCES} ${SIGNAL_SOURCE_LIB_HEADERS})
source_group(Headers FILES ${SIGNAL_SOURCE_LIB_HEADERS})
target_link_libraries(signal_source_lib ${OPT_LIBRARIES})

768
src/algorithms/signal_source/libs/ad9361_manager.cc Normal file
View File

@ -0,0 +1,768 @@
/*!
* \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:
* http://git.osmocom.org/rtl-sdr/
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GNSS-SDR is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#include "ad9361_manager.h"
#include <glog/logging.h>
#include <math.h>
#include <iostream>
#include <sstream>
/* 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: long long int */
void wr_ch_lli(struct iio_channel *chn, const char *what, long long 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 != NULL;
case RX:
*dev = iio_context_find_device(ctx, "cf-ad9361-lpc");
return *dev != NULL;
default:
return false;
}
}
/* finds AD9361 streaming IIO channels */
bool get_ad9361_stream_ch(struct iio_context *ctx, 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 != NULL;
}
/* 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)
{
std::stringstream name;
switch (d)
{
case RX:
name.str("");
name << "voltage";
name << chid;
*chn = iio_device_find_channel(get_ad9361_phy(ctx), name.str().c_str(), false);
return *chn != NULL;
break;
case TX:
name.str("");
name << "voltage";
name << chid;
*chn = iio_device_find_channel(get_ad9361_phy(ctx), name.str().c_str(), true);
return *chn != NULL;
break;
default:
return false;
}
}
/* finds AD9361 local oscillator IIO configuration channels */
bool get_lo_chan(struct iio_context *ctx, enum iodev d, struct iio_channel **chn)
{
switch (d)
{
// LO chan is always output, i.e. true
case RX:
*chn = iio_device_find_channel(get_ad9361_phy(ctx), "altvoltage0", true);
return *chn != NULL;
case TX:
*chn = iio_device_find_channel(get_ad9361_phy(ctx), "altvoltage1", true);
return *chn != NULL;
default:
return false;
}
}
/* applies streaming configuration through IIO */
bool cfg_ad9361_streaming_ch(struct iio_context *ctx, struct stream_cfg *cfg, enum iodev type, int chid)
{
struct iio_channel *chn = NULL;
// Configure phy and lo channels
//LOG(INFO)<<"* Acquiring AD9361 phy channel"<<chid;
std::cout << "* Acquiring AD9361 phy channel" << chid << std::endl;
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") << std::endl;
if (!get_lo_chan(ctx, type, &chn))
{
return false;
}
wr_ch_lli(chn, "frequency", cfg->lo_hz);
return true;
}
bool config_ad9361_rx_local(unsigned long bandwidth_,
unsigned long sample_rate_,
unsigned long freq_,
std::string rf_port_select_,
std::string gain_mode_rx1_,
std::string gain_mode_rx2_,
double rf_gain_rx1_,
double rf_gain_rx2_)
{
// RX stream config
// Stream configurations
struct stream_cfg rxcfg;
rxcfg.bw_hz = bandwidth_; // 2 MHz rf bandwidth
rxcfg.fs_hz = sample_rate_; // 2.5 MS/s rx sample rate
rxcfg.lo_hz = freq_; // 2.5 GHz rf frequency
rxcfg.rfport = rf_port_select_.c_str(); // port A (select for rf freq.)
std::cout << "AD9361 Acquiring IIO LOCAL context\n";
struct iio_context *ctx;
// Streaming devices
struct iio_device *rx;
struct iio_channel *rx0_i;
struct iio_channel *rx0_q;
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");
}
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";
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");
}
std::cout << "* Initializing AD9361 IIO streaming channels\n";
if (!get_ad9361_stream_ch(ctx, RX, rx, 0, &rx0_i))
{
std::cout << "RX chan i not found\n";
throw std::runtime_error("RX chan i not found");
}
if (!get_ad9361_stream_ch(ctx, RX, rx, 1, &rx0_q))
{
std::cout << "RX chan q not found\n";
throw std::runtime_error("RX chan q not found");
}
std::cout << "* Enabling IIO streaming channels\n";
iio_channel_enable(rx0_i);
iio_channel_enable(rx0_q);
struct iio_device *ad9361_phy;
ad9361_phy = iio_context_find_device(ctx, "ad9361-phy");
int ret;
ret = iio_device_attr_write(ad9361_phy, "trx_rate_governor", "nominal");
if (ret < 0)
{
std::cout << "Failed to set trx_rate_governor: " << ret << std::endl;
}
ret = iio_device_attr_write(ad9361_phy, "ensm_mode", "fdd");
if (ret < 0)
{
std::cout << "Failed to set ensm_mode: " << ret << std::endl;
}
ret = iio_device_attr_write(ad9361_phy, "calib_mode", "auto");
if (ret < 0)
{
std::cout << "Failed to set calib_mode: " << ret << std::endl;
}
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 << std::endl;
}
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 << std::endl;
}
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 << std::endl;
}
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 << std::endl;
}
std::cout << "End of AD9361 RX configuration.\n";
iio_context_destroy(ctx);
return true;
}
bool config_ad9361_rx_remote(std::string remote_host,
unsigned long bandwidth_,
unsigned long sample_rate_,
unsigned long freq_,
std::string rf_port_select_,
std::string gain_mode_rx1_,
std::string gain_mode_rx2_,
double rf_gain_rx1_,
double rf_gain_rx2_)
{
// RX stream config
// Stream configurations
struct stream_cfg rxcfg;
rxcfg.bw_hz = bandwidth_; // 2 MHz rf bandwidth
rxcfg.fs_hz = sample_rate_; // 2.5 MS/s rx sample rate
rxcfg.lo_hz = freq_; // 2.5 GHz rf frequency
rxcfg.rfport = rf_port_select_.c_str(); // port A (select for rf freq.)
std::cout << "AD9361 Acquiring IIO REMOTE context in host " << remote_host << std::endl;
struct iio_context *ctx;
// Streaming devices
struct iio_device *rx;
struct iio_channel *rx0_i;
struct iio_channel *rx0_q;
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";
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");
}
std::cout << "* Initializing AD9361 IIO streaming channels\n";
if (!get_ad9361_stream_ch(ctx, RX, rx, 0, &rx0_i))
{
std::cout << "RX chan i not found\n";
throw std::runtime_error("RX chan i not found");
}
if (!get_ad9361_stream_ch(ctx, RX, rx, 1, &rx0_q))
{
std::cout << "RX chan q not found\n";
throw std::runtime_error("RX chan q not found");
}
std::cout << "* Enabling IIO streaming channels\n";
iio_channel_enable(rx0_i);
iio_channel_enable(rx0_q);
struct iio_device *ad9361_phy;
ad9361_phy = iio_context_find_device(ctx, "ad9361-phy");
int ret;
ret = iio_device_attr_write(ad9361_phy, "trx_rate_governor", "nominal");
if (ret < 0)
{
std::cout << "Failed to set trx_rate_governor: " << ret << std::endl;
}
ret = iio_device_attr_write(ad9361_phy, "ensm_mode", "fdd");
if (ret < 0)
{
std::cout << "Failed to set ensm_mode: " << ret << std::endl;
}
ret = iio_device_attr_write(ad9361_phy, "calib_mode", "auto");
if (ret < 0)
{
std::cout << "Failed to set calib_mode: " << ret << std::endl;
}
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 << std::endl;
}
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 << std::endl;
}
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 << std::endl;
}
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 << std::endl;
}
std::cout << "End of AD9361 RX configuration.\n";
iio_context_destroy(ctx);
return true;
}
bool config_ad9361_lo_local(unsigned long bandwidth_,
unsigned long sample_rate_,
unsigned long freq_rf_tx_hz_,
double tx_attenuation_db_,
long long freq_dds_tx_hz_,
double scale_dds_dbfs_)
{
// TX stream config
std::cout << "Start of AD9361 TX Local Oscillator DDS configuration\n";
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";
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");
int ret;
//set output amplifier attenuation
ret = iio_device_attr_write_double(ad9361_phy, "out_voltage0_hardwaregain", -tx_attenuation_db_);
if (ret < 0)
{
std::cout << "Failed to set out_voltage0_hardwaregain value " << -tx_attenuation_db_ << " error " << ret << std::endl;
}
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 << std::endl;
}
//set frequency, scale and phase
ret = iio_channel_attr_write_longlong(dds_channel0_I, "frequency", (long long)freq_dds_tx_hz_);
if (ret < 0)
{
std::cout << "Failed to set TX DDS frequency I: " << ret << std::endl;
}
ret = iio_channel_attr_write_longlong(dds_channel0_Q, "frequency", (long long)freq_dds_tx_hz_);
if (ret < 0)
{
std::cout << "Failed to set TX DDS frequency Q: " << ret << std::endl;
}
ret = iio_channel_attr_write_double(dds_channel0_I, "phase", 0.0);
if (ret < 0)
{
std::cout << "Failed to set TX DDS phase I: " << ret << std::endl;
}
ret = iio_channel_attr_write_double(dds_channel0_Q, "phase", 270000.0);
if (ret < 0)
{
std::cout << "Failed to set TX DDS phase Q: " << ret << std::endl;
}
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 << std::endl;
}
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 << std::endl;
}
//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 << std::endl;
}
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 << std::endl;
}
ret = iio_channel_attr_write_double(dds_channel1_Q, "scale", 0);
if (ret < 0)
{
std::cout << "Failed to set TX2 DDS scale Q: " << ret << std::endl;
}
iio_context_destroy(ctx);
return true;
}
bool config_ad9361_lo_remote(std::string remote_host,
unsigned long bandwidth_,
unsigned long sample_rate_,
unsigned long freq_rf_tx_hz_,
double tx_attenuation_db_,
long long freq_dds_tx_hz_,
double scale_dds_dbfs_)
{
// TX stream config
std::cout << "Start of AD9361 TX Local Oscillator DDS configuration\n";
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 << std::endl;
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";
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");
int ret;
//set output amplifier attenuation
ret = iio_device_attr_write_double(ad9361_phy, "out_voltage0_hardwaregain", -tx_attenuation_db_);
if (ret < 0)
{
std::cout << "Failed to set out_voltage0_hardwaregain value " << -tx_attenuation_db_ << " error " << ret << std::endl;
}
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 << std::endl;
}
//set frequency, scale and phase
ret = iio_channel_attr_write_longlong(dds_channel0_I, "frequency", (long long)freq_dds_tx_hz_);
if (ret < 0)
{
std::cout << "Failed to set TX DDS frequency I: " << ret << std::endl;
}
ret = iio_channel_attr_write_longlong(dds_channel0_Q, "frequency", (long long)freq_dds_tx_hz_);
if (ret < 0)
{
std::cout << "Failed to set TX DDS frequency Q: " << ret << std::endl;
}
ret = iio_channel_attr_write_double(dds_channel0_I, "phase", 0.0);
if (ret < 0)
{
std::cout << "Failed to set TX DDS phase I: " << ret << std::endl;
}
ret = iio_channel_attr_write_double(dds_channel0_Q, "phase", 270000.0);
if (ret < 0)
{
std::cout << "Failed to set TX DDS phase Q: " << ret << std::endl;
}
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 << std::endl;
}
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 << std::endl;
}
//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 << std::endl;
}
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 << std::endl;
}
ret = iio_channel_attr_write_double(dds_channel1_Q, "scale", 0);
if (ret < 0)
{
std::cout << "Failed to set TX2 DDS scale Q: " << ret << std::endl;
}
iio_context_destroy(ctx);
return true;
}
bool ad9361_disable_lo_remote(std::string remote_host)
{
std::cout << "AD9361 Acquiring IIO REMOTE context in host " << remote_host << std::endl;
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 << std::endl;
}
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 << std::endl;
}
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 << std::endl;
}
iio_context_destroy(ctx);
return true;
}
bool ad9361_disable_lo_local()
{
std::cout << "AD9361 Acquiring IIO LOCAL context" << std::endl;
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 << std::endl;
}
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 << std::endl;
}
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 << std::endl;
}
iio_context_destroy(ctx);
return true;
}

130
src/algorithms/signal_source/libs/ad9361_manager.h Normal file
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@ -0,0 +1,130 @@
/*!
* \file ad9361_manager.h
* \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:
* http://git.osmocom.org/rtl-sdr/
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GNSS-SDR is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_AD9361_MANAGER_H
#define GNSS_SDR_AD9361_MANAGER_H
#include <string>
#ifdef __APPLE__
#include <iio/iio.h>
#else
#include <iio.h>
#endif
/* RX is input, TX is output */
enum iodev
{
RX,
TX
};
/* common RX and TX streaming params */
struct stream_cfg
{
long long bw_hz; // Analog banwidth in Hz
long long fs_hz; // Baseband sample rate in Hz
long long lo_hz; // Local oscillator frequency in Hz
const char *rfport; // Port name
};
/* check return value of attr_write function */
void errchk(int v, const char *what);
/* write attribute: long long int */
void wr_ch_lli(struct iio_channel *chn, const char *what, long long val);
/* write attribute: string */
void wr_ch_str(struct iio_channel *chn, const char *what, const char *str);
/* helper function generating channel names */
char *get_ch_name(const char *type, int id, char *tmpstr);
/* returns ad9361 phy device */
struct iio_device *get_ad9361_phy(struct iio_context *ctx);
/* finds AD9361 streaming IIO devices */
bool get_ad9361_stream_dev(struct iio_context *ctx, enum iodev d, struct iio_device **dev);
/* finds AD9361 streaming IIO channels */
bool get_ad9361_stream_ch(struct iio_context *ctx, enum iodev d, struct iio_device *dev, int chid, struct iio_channel **chn);
/* 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);
/* finds AD9361 local oscillator IIO configuration channels */
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);
bool config_ad9361_rx_local(unsigned long bandwidth_,
unsigned long sample_rate_,
unsigned long freq_,
std::string rf_port_select_,
std::string gain_mode_rx1_,
std::string gain_mode_rx2_,
double rf_gain_rx1_,
double rf_gain_rx2_);
bool config_ad9361_rx_remote(std::string remote_host,
unsigned long bandwidth_,
unsigned long sample_rate_,
unsigned long freq_,
std::string rf_port_select_,
std::string gain_mode_rx1_,
std::string gain_mode_rx2_,
double rf_gain_rx1_,
double rf_gain_rx2_);
bool config_ad9361_lo_local(unsigned long bandwidth_,
unsigned long sample_rate_,
unsigned long freq_rf_tx_hz_,
double tx_attenuation_db_,
long long freq_dds_tx_hz_,
double scale_dds_dbfs_);
bool config_ad9361_lo_remote(std::string remote_host,
unsigned long bandwidth_,
unsigned long sample_rate_,
unsigned long freq_rf_tx_hz_,
double tx_attenuation_db_,
long long freq_dds_tx_hz_,
double scale_dds_dbfs_);
bool ad9361_disable_lo_remote(std::string remote_host);
bool ad9361_disable_lo_local();
#endif

2
src/algorithms/tracking/gnuradio_blocks/glonass_l2_ca_dll_pll_c_aid_tracking_cc.cc
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@ -719,7 +719,7 @@ int glonass_l2_ca_dll_pll_c_aid_tracking_cc::general_work(int noutput_items __at
d_code_error_filt_chips_Ti = d_code_error_filt_chips_s * CURRENT_INTEGRATION_TIME_S;
code_error_filt_secs_Ti = d_code_error_filt_chips_Ti / d_code_freq_chips; // [s/Ti]
// ################## CARRIER AND CODE NCO BUFFER ALIGNEMENT #######################
// ################## CARRIER AND CODE NCO BUFFER ALIGNMENT #######################
// keep alignment parameters for the next input buffer
// Compute the next buffer length based in the new period of the PRN sequence and the code phase error estimation
double T_chip_seconds = 1.0 / d_code_freq_chips;