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PlutoSDR_Settings.cpp
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PlutoSDR_Settings.cpp
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#include "SoapyPlutoSDR.hpp"
#ifdef HAS_AD9361_IIO
#include <ad9361.h>
#endif
SoapyPlutoSDR::SoapyPlutoSDR( const SoapySDR::Kwargs &args ):
ctx(nullptr), dev(nullptr), rx_dev(nullptr),tx_dev(nullptr), decimation(false), interpolation(false), rx_stream(nullptr)
{
if (args.count("label") != 0)
SoapySDR_logf( SOAPY_SDR_INFO, "Opening %s...", args.at("label").c_str());
if(args.count("uri") != 0) {
ctx = iio_create_context_from_uri(args.at("uri").c_str());
}else if(args.count("hostname")!=0){
ctx = iio_create_network_context(args.at("hostname").c_str());
}else{
ctx = iio_create_default_context();
}
if (ctx == nullptr) {
SoapySDR_logf(SOAPY_SDR_ERROR, "not device found.");
throw std::runtime_error("not device found");
}
dev = iio_context_find_device(ctx, "ad9361-phy");
rx_dev = iio_context_find_device(ctx, "cf-ad9361-lpc");
tx_dev = iio_context_find_device(ctx, "cf-ad9361-dds-core-lpc");
this->setAntenna(SOAPY_SDR_RX, 0, "A_BALANCED");
this->setAntenna(SOAPY_SDR_TX, 0, "A");
}
SoapyPlutoSDR::~SoapyPlutoSDR(void){
long long samplerate=0;
if(decimation){
iio_channel_attr_read_longlong(iio_device_find_channel(dev, "voltage0", false),"sampling_frequency",&samplerate);
iio_channel_attr_write_longlong(iio_device_find_channel(rx_dev, "voltage0", false),"sampling_frequency", samplerate);
}
if(interpolation){
iio_channel_attr_read_longlong(iio_device_find_channel(dev, "voltage0", true),"sampling_frequency",&samplerate);
iio_channel_attr_write_longlong(iio_device_find_channel(tx_dev, "voltage0", true),"sampling_frequency", samplerate);
}
if(ctx)iio_context_destroy(ctx);
}
/*******************************************************************
* Identification API
******************************************************************/
std::string SoapyPlutoSDR::getDriverKey( void ) const
{
unsigned int major, minor;
char git_tag[8];
iio_library_get_version(&major, &minor, git_tag);
char key_str[100];
sprintf(key_str, "Library version: %u.%u (git tag: %s)", major, minor, git_tag);
return(key_str);
}
std::string SoapyPlutoSDR::getHardwareKey( void ) const
{
unsigned int major, minor;
char git_tag[8];
iio_context_get_version(ctx, &major, &minor, git_tag);
char key_str[100];
sprintf(key_str, "Backend version: %u.%u (git tag: %s)",major, minor, git_tag);
return(key_str);
}
SoapySDR::Kwargs SoapyPlutoSDR::getHardwareInfo( void ) const
{
SoapySDR::Kwargs info;
unsigned int nb_ctx_attrs = iio_context_get_attrs_count(ctx);
for (unsigned int i = 0; i < nb_ctx_attrs; i++) {
const char *key, *value;
iio_context_get_attr(ctx, i, &key, &value);
info[key] = value;
}
return info;
}
/*******************************************************************
* Channels API
******************************************************************/
size_t SoapyPlutoSDR::getNumChannels( const int dir ) const
{
return(1);
}
bool SoapyPlutoSDR::getFullDuplex( const int direction, const size_t channel ) const
{
return(true);
}
/*******************************************************************
* Settings API
******************************************************************/
SoapySDR::ArgInfoList SoapyPlutoSDR::getSettingInfo(void) const
{
SoapySDR::ArgInfoList setArgs;
return setArgs;
}
void SoapyPlutoSDR::writeSetting(const std::string &key, const std::string &value)
{
}
std::string SoapyPlutoSDR::readSetting(const std::string &key) const
{
std::string info;
return info;
}
/*******************************************************************
* Antenna API
******************************************************************/
std::vector<std::string> SoapyPlutoSDR::listAntennas( const int direction, const size_t channel ) const
{
std::vector<std::string> options;
if(direction == SOAPY_SDR_RX) options.push_back( "A_BALANCED" );
if(direction == SOAPY_SDR_TX) options.push_back( "A" );
return(options);
}
void SoapyPlutoSDR::setAntenna( const int direction, const size_t channel, const std::string &name )
{
std::lock_guard<std::mutex> lock(device_mutex);
if (direction == SOAPY_SDR_RX) {
iio_channel_attr_write(iio_device_find_channel(dev, "voltage0", false), "rf_port_select", name.c_str());
}
if (direction == SOAPY_SDR_TX) {
iio_channel_attr_write(iio_device_find_channel(dev, "voltage0", true), "rf_port_select", name.c_str());
}
}
std::string SoapyPlutoSDR::getAntenna( const int direction, const size_t channel ) const
{
std::string options;
if (direction == SOAPY_SDR_RX) {
options = "A_BALANCED";
}
if (direction == SOAPY_SDR_TX) {
options = "A";
}
return options;
}
/*******************************************************************
* Frontend corrections API
******************************************************************/
bool SoapyPlutoSDR::hasDCOffsetMode( const int direction, const size_t channel ) const
{
return(true);
}
/*******************************************************************
* Gain API
******************************************************************/
std::vector<std::string> SoapyPlutoSDR::listGains( const int direction, const size_t channel ) const
{
std::vector<std::string> options;
options.push_back("PGA");
return(options);
}
void SoapyPlutoSDR::setGainMode( const int direction, const size_t channel, const bool automatic )
{
std::lock_guard<std::mutex> lock(device_mutex);
if(direction==SOAPY_SDR_RX){
if(automatic) {
iio_channel_attr_write(iio_device_find_channel(dev, "voltage0", false), "gain_control_mode", "slow_attack");
}else{
iio_channel_attr_write(iio_device_find_channel(dev, "voltage0", false), "gain_control_mode", "manual");
}
}
}
bool SoapyPlutoSDR::getGainMode( const int direction, const size_t channel ) const
{
if(direction==SOAPY_SDR_RX)
return true;
return(false);
}
void SoapyPlutoSDR::setGain( const int direction, const size_t channel, const double value )
{
std::lock_guard<std::mutex> lock(device_mutex);
long long gain = (long long) value;
if(direction==SOAPY_SDR_RX){
iio_channel_attr_write_longlong(iio_device_find_channel(dev, "voltage0", false),"hardwaregain", gain);
}
if(direction==SOAPY_SDR_TX){
gain = 89 - gain;
iio_channel_attr_write_longlong(iio_device_find_channel(dev, "voltage0", true),"hardwaregain", gain);
}
}
void SoapyPlutoSDR::setGain( const int direction, const size_t channel, const std::string &name, const double value )
{
this->setGain(direction,channel,value);
}
double SoapyPlutoSDR::getGain( const int direction, const size_t channel, const std::string &name ) const
{
std::lock_guard<std::mutex> lock(device_mutex);
long long gain = 0;
if(direction==SOAPY_SDR_RX){
if(iio_channel_attr_read_longlong(iio_device_find_channel(dev, "voltage0", false),"hardwaregain",&gain )!=0)
return 0;
}
if(direction==SOAPY_SDR_TX){
if(iio_channel_attr_read_longlong(iio_device_find_channel(dev, "voltage0", true),"hardwaregain",&gain )!=0)
return 0;
gain = gain + 89;
}
return double(gain);
}
SoapySDR::Range SoapyPlutoSDR::getGainRange( const int direction, const size_t channel, const std::string &name ) const
{
if(direction==SOAPY_SDR_RX)
(SoapySDR::Range(0, 76));
return(SoapySDR::Range(0,89));
}
/*******************************************************************
* Frequency API
******************************************************************/
void SoapyPlutoSDR::setFrequency( const int direction, const size_t channel, const std::string &name, const double frequency, const SoapySDR::Kwargs &args )
{
std::lock_guard<std::mutex> lock(device_mutex);
long long freq = (long long)frequency;
if(direction==SOAPY_SDR_RX){
iio_channel_attr_write_longlong(iio_device_find_channel(dev, "altvoltage0", true),"frequency", freq);
}
if(direction==SOAPY_SDR_TX){
iio_channel_attr_write_longlong(iio_device_find_channel(dev, "altvoltage1", true),"frequency", freq);
}
}
double SoapyPlutoSDR::getFrequency( const int direction, const size_t channel, const std::string &name ) const
{
std::lock_guard<std::mutex> lock(device_mutex);
long long freq;
if(direction==SOAPY_SDR_RX){
if(iio_channel_attr_read_longlong(iio_device_find_channel(dev, "altvoltage0", true),"frequency",&freq )!=0)
return 0;
}
if(direction==SOAPY_SDR_TX){
if(iio_channel_attr_read_longlong(iio_device_find_channel(dev, "altvoltage1", true),"frequency",&freq )!=0)
return 0;
}
return double(freq);
}
SoapySDR::ArgInfoList SoapyPlutoSDR::getFrequencyArgsInfo(const int direction, const size_t channel) const
{
SoapySDR::ArgInfoList freqArgs;
return freqArgs;
}
std::vector<std::string> SoapyPlutoSDR::listFrequencies( const int direction, const size_t channel ) const
{
std::vector<std::string> names;
names.push_back( "RF" );
return(names);
}
SoapySDR::RangeList SoapyPlutoSDR::getFrequencyRange( const int direction, const size_t channel, const std::string &name ) const
{
return(SoapySDR::RangeList( 1, SoapySDR::Range( 70000000, 6000000000ull ) ) );
}
/*******************************************************************
* Sample Rate API
******************************************************************/
void SoapyPlutoSDR::setSampleRate( const int direction, const size_t channel, const double rate )
{
std::lock_guard<std::mutex> lock(device_mutex);
long long samplerate =(long long) rate;
if(direction==SOAPY_SDR_RX){
decimation = false;
if (samplerate<(25e6 / 48)) {
if (samplerate * 8 < (25e6 / 48)) {
SoapySDR_logf(SOAPY_SDR_CRITICAL, "sample rate is not supported.");
}
decimation = true;
samplerate = samplerate * 8;
}
iio_channel_attr_write_longlong(iio_device_find_channel(dev, "voltage0", false),"sampling_frequency", samplerate);
iio_channel_attr_write_longlong(iio_device_find_channel(rx_dev, "voltage0", false), "sampling_frequency", decimation?samplerate/8:samplerate);
if(rx_stream)
rx_stream->set_buffer_size_by_samplerate(decimation ? samplerate / 8 : samplerate);
}
if(direction==SOAPY_SDR_TX){
interpolation = false;
if (samplerate<(25e6 / 48)) {
if (samplerate * 8 < (25e6 / 48)) {
SoapySDR_logf(SOAPY_SDR_CRITICAL, "sample rate is not supported.");
}
interpolation = true;
samplerate = samplerate * 8;
}
iio_channel_attr_write_longlong(iio_device_find_channel(dev, "voltage0", true),"sampling_frequency", samplerate);
iio_channel_attr_write_longlong(iio_device_find_channel(tx_dev, "voltage0", true), "sampling_frequency", interpolation?samplerate / 8:samplerate);
}
#ifdef HAS_AD9361_IIO
if(ad9361_set_bb_rate(dev,samplerate))
SoapySDR_logf(SOAPY_SDR_ERROR, "Unable to set BB rate.");
#endif
}
double SoapyPlutoSDR::getSampleRate( const int direction, const size_t channel ) const
{
std::lock_guard<std::mutex> lock(device_mutex);
long long samplerate;
if(direction==SOAPY_SDR_RX){
if(iio_channel_attr_read_longlong(iio_device_find_channel(rx_dev, "voltage0", false),"sampling_frequency",&samplerate )!=0)
return 0;
}
if(direction==SOAPY_SDR_TX){
if(iio_channel_attr_read_longlong(iio_device_find_channel(tx_dev, "voltage0", true),"sampling_frequency",&samplerate)!=0)
return 0;
}
return double(samplerate);
}
std::vector<double> SoapyPlutoSDR::listSampleRates( const int direction, const size_t channel ) const
{
std::vector<double> options;
options.push_back(65105);//25M/48/8+1
options.push_back(1e6);
options.push_back(2e6);
options.push_back(3e6);
options.push_back(4e6);
options.push_back(5e6);
options.push_back(6e6);
options.push_back(7e6);
options.push_back(8e6);
options.push_back(9e6);
options.push_back(10e6);
return(options);
}
void SoapyPlutoSDR::setBandwidth( const int direction, const size_t channel, const double bw )
{
std::lock_guard<std::mutex> lock(device_mutex);
long long bandwidth = (long long) bw;
if(direction==SOAPY_SDR_RX){
iio_channel_attr_write_longlong(iio_device_find_channel(dev, "voltage0", false),"rf_bandwidth", bandwidth);
}
if(direction==SOAPY_SDR_TX){
iio_channel_attr_write_longlong(iio_device_find_channel(dev, "voltage0", true),"rf_bandwidth", bandwidth);
}
}
double SoapyPlutoSDR::getBandwidth( const int direction, const size_t channel ) const
{
std::lock_guard<std::mutex> lock(device_mutex);
long long bandwidth;
if(direction==SOAPY_SDR_RX){
if(iio_channel_attr_read_longlong(iio_device_find_channel(dev, "voltage0", false),"rf_bandwidth",&bandwidth )!=0)
return 0;
}
if(direction==SOAPY_SDR_TX){
if(iio_channel_attr_read_longlong(iio_device_find_channel(dev, "voltage0", true),"rf_bandwidth",&bandwidth )!=0)
return 0;
}
return double(bandwidth);
}
std::vector<double> SoapyPlutoSDR::listBandwidths( const int direction, const size_t channel ) const
{
std::vector<double> options;
options.push_back(0.2e6);
options.push_back(1e6);
options.push_back(2e6);
options.push_back(3e6);
options.push_back(4e6);
options.push_back(5e6);
options.push_back(6e6);
options.push_back(7e6);
options.push_back(8e6);
options.push_back(9e6);
options.push_back(10e6);
return(options);
}