GNU Radio block for interfacing with various radio hardware
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gr-osmosdr/lib/bladerf/bladerf_common.cc

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/* -*- c++ -*- */
/*
* Copyright 2013-2017 Nuand LLC
* Copyright 2013 Dimitri Stolnikov <horiz0n@gmx.net>
*
* GNU Radio 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, or (at your option)
* any later version.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
/*
* config.h is generated by configure. It contains the results
* of probing for features, options etc. It should be the first
* file included in your .cc file.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <iomanip>
#include <iostream>
#include <map>
#include <sstream>
#include <string>
#include <boost/assign.hpp>
#include <boost/format.hpp>
#include <boost/lexical_cast.hpp>
#include "bladerf_common.h"
/* Defaults for these values. */
static size_t const NUM_BUFFERS = 512;
static size_t const NUM_SAMPLES_PER_BUFFER = (4 * 1024);
static size_t const NUM_TRANSFERS = 32;
static size_t const STREAM_TIMEOUT_MS = 3000;
using namespace boost::assign;
std::mutex bladerf_common::_devs_mutex;
std::list<std::weak_ptr<struct bladerf> > bladerf_common::_devs;
/* name for system-wide gain (which is not its own libbladeRF gain stage) */
static const char *SYSTEM_GAIN_NAME = "system";
/* Determines if bladerf_version is greater or equal to major.minor.patch */
static bool _version_greater_or_equal(const struct bladerf_version *version,
unsigned int major,
unsigned int minor, unsigned int patch)
{
if (version->major > major) {
// 2.0.0 > 1.9.9
return true;
} else if ((version->major == major) && (version->minor > minor)) {
// 1.9.9 > 1.8.9
return true;
} else if ((version->major == major) &&
(version->minor == minor) &&
(version->patch >= patch)) {
// 1.8.9 > 1.8.8
return true;
} else {
return false;
}
}
/* Returns TRUE if an expansion board is attached, FALSE otherwise */
static bool _is_xb_attached(bladerf_sptr _dev)
{
int status;
bladerf_xb xb = BLADERF_XB_NONE;
status = bladerf_expansion_get_attached(_dev.get(), &xb);
if (status != 0) {
return false;
}
return (xb != BLADERF_XB_NONE);
}
/* Gets a value from a const dict */
static std::string const _get(dict_t const &dict, std::string key)
{
std::string rv("");
dict_t::const_iterator it = dict.find(key);
if (it != dict.end()) {
rv = it->second;
}
return rv;
}
static bool _is_tx(bladerf_channel ch)
{
return (1 == (ch & BLADERF_DIRECTION_MASK));
}
size_t num_streams(bladerf_channel_layout layout)
{
#ifdef BLADERF_COMPATIBILITY
return 1;
#else
switch (layout) {
case BLADERF_RX_X1:
case BLADERF_TX_X1:
return 1;
case BLADERF_RX_X2:
case BLADERF_TX_X2:
return 2;
}
assert(false);
return 0;
#endif
}
/******************************************************************************
* Public methods
******************************************************************************/
bladerf_common::bladerf_common() :
_dev(boost::shared_ptr<struct bladerf>()),
_pfx("[bladeRF common] "),
_failures(0),
_num_buffers(NUM_BUFFERS),
_samples_per_buffer(NUM_SAMPLES_PER_BUFFER),
_num_transfers(NUM_TRANSFERS),
_stream_timeout(STREAM_TIMEOUT_MS),
_format(BLADERF_FORMAT_SC16_Q11)
{
}
/******************************************************************************
* Protected methods
******************************************************************************/
void bladerf_common::init(dict_t const &dict, bladerf_direction direction)
{
int status;
std::string device_name("");
struct bladerf_version ver;
BLADERF_DEBUG("entering initialization");
_pfx = boost::str(boost::format("[bladeRF %s] ")
% (direction == BLADERF_TX ? "sink" : "source"));
/* libbladeRF verbosity */
if (dict.count("verbosity")) {
set_verbosity(_get(dict, "verbosity"));
}
/* Board identifier */
if (dict.count("bladerf")) {
std::string const value = _get(dict, "bladerf");
if (value.length() > 0) {
if (value.length() <= 2) {
/* If the value is two digits or less, we'll assume the user is
* providing an instance number */
unsigned int device_number = 0;
try {
device_number = boost::lexical_cast<unsigned int>(value);
device_name = boost::str(boost::format("*:instance=%d")
% device_number);
} catch (std::exception &ex) {
BLADERF_THROW(boost::str(boost::format("Failed to use '%s' as "
"device number: %s") % value % ex.what()));
}
} else {
/* Otherwise, we'll assume it's a serial number. libbladeRF v1.4.1
* supports matching a subset of a serial number. For earlier versions,
* we require the entire serial number.
*
* libbladeRF is responsible for rejecting bad serial numbers, so we
* may just pass whatever the user has provided.
*/
bladerf_version(&ver);
if (_version_greater_or_equal(&ver, 1, 4, 1) ||
value.length() == (BLADERF_SERIAL_LENGTH - 1)) {
device_name = std::string("*:serial=") + value;
} else {
BLADERF_THROW(boost::str(boost::format("A full serial number must "
"be supplied with libbladeRF %s. libbladeRF >= v1.4.1 "
"supports opening a device via a subset of its serial "
"#.") % ver.describe));
}
}
}
}
/* Open the board! */
try {
BLADERF_INFO(boost::str(boost::format("Opening Nuand bladeRF with "
"device identifier string '%s'") % device_name));
_dev = open(device_name);
} catch (std::exception &ex) {
BLADERF_THROW(boost::str(boost::format("Failed to open bladeRF device "
"'%s': %s") % device_name % ex.what()));
}
if (NULL == _dev) {
BLADERF_THROW(boost::str(boost::format("Failed to get device handle for "
"'%s': _dev is NULL") % device_name));
}
/* Load a FPGA */
if (dict.count("fpga")) {
if (dict.count("fpga-reload") == 0 &&
bladerf_is_fpga_configured(_dev.get()) == 1) {
BLADERF_WARNING("FPGA is already loaded. Set fpga-reload=1 to force a "
"reload.");
} else {
std::string fpga = _get(dict, "fpga");
BLADERF_INFO("Loading FPGA bitstream from " << fpga);
status = bladerf_load_fpga(_dev.get(), fpga.c_str());
if (status != 0) {
BLADERF_WARNING("Could not load FPGA bitstream: "
<< bladerf_strerror(status));
} else {
BLADERF_INFO("The FPGA bitstream was loaded successfully");
}
}
}
if (bladerf_is_fpga_configured(_dev.get()) != 1) {
BLADERF_THROW("The FPGA is not configured! Provide device argument "
"fpga=/path/to/the/bitstream.rbf to load it.");
}
/* XB-200 Transverter Board */
if (dict.count("xb200")) {
status = bladerf_expansion_attach(_dev.get(), BLADERF_XB_200);
if (status != 0) {
BLADERF_WARNING("Could not attach XB-200: " << bladerf_strerror(status));
} else {
bladerf_xb200_filter filter = BLADERF_XB200_AUTO_1DB;
if (_get(dict, "xb200") == "custom") {
filter = BLADERF_XB200_CUSTOM;
} else if (_get(dict, "xb200") == "50M") {
filter = BLADERF_XB200_50M;
} else if (_get(dict, "xb200") == "144M") {
filter = BLADERF_XB200_144M;
} else if (_get(dict, "xb200") == "222M") {
filter = BLADERF_XB200_222M;
} else if (_get(dict, "xb200") == "auto3db") {
filter = BLADERF_XB200_AUTO_3DB;
} else if (_get(dict, "xb200") == "auto") {
filter = BLADERF_XB200_AUTO_1DB;
} else {
filter = BLADERF_XB200_AUTO_1DB;
}
status = bladerf_xb200_set_filterbank(_dev.get(), direction, filter);
if (status != 0) {
BLADERF_WARNING("Could not set XB-200 filter: "
<< bladerf_strerror(status));
}
}
}
/* Show some info about the device we've opened */
print_device_info();
if (dict.count("tamer")) {
set_clock_source(_get(dict, "tamer"));
BLADERF_INFO(boost::str(boost::format("Tamer mode set to '%s'")
% get_clock_source()));
}
if (dict.count("smb")) {
set_smb_frequency(boost::lexical_cast<double>(_get(dict, "smb")));
BLADERF_INFO(boost::str(boost::format("SMB frequency set to %f Hz")
% get_smb_frequency()));
}
/* Initialize buffer and sample configuration */
if (dict.count("buffers")) {
_num_buffers = boost::lexical_cast<size_t>(_get(dict, "buffers"));
}
if (dict.count("buflen")) {
_samples_per_buffer = boost::lexical_cast<size_t>(_get(dict, "buflen"));
}
if (dict.count("transfers")) {
_num_transfers = boost::lexical_cast<size_t>(_get(dict, "transfers"));
}
if (dict.count("stream_timeout")) {
_stream_timeout = boost::lexical_cast<unsigned int>(_get(dict, "stream_timeout"));
} else if (dict.count("stream_timeout_ms")) {
// reverse compatibility
_stream_timeout = boost::lexical_cast<unsigned int>(_get(dict, "stream_timeout_ms"));
}
if (dict.count("enable_metadata") > 0) {
_format = BLADERF_FORMAT_SC16_Q11_META;
}
/* Require value to be >= 2 so we can ensure we have twice as many
* buffers as transfers */
if (_num_buffers <= 1) {
_num_buffers = NUM_BUFFERS;
}
if (0 == _samples_per_buffer) {
_samples_per_buffer = NUM_SAMPLES_PER_BUFFER;
} else {
if ((_samples_per_buffer < 1024) || (_samples_per_buffer % 1024 != 0)) {
BLADERF_WARNING(boost::str(boost::format("Invalid \"buflen\" value "
"(%d). A multiple of 1024 is required. Defaulting "
"to %d")
% _samples_per_buffer % NUM_SAMPLES_PER_BUFFER));
_samples_per_buffer = NUM_SAMPLES_PER_BUFFER;
}
}
/* If the user hasn't specified the desired number of transfers, set it to
* at least num_buffers/2 */
if (0 == _num_transfers) {
_num_transfers = std::min(NUM_TRANSFERS, _num_buffers / 2);
} else if (_num_transfers >= _num_buffers) {
_num_transfers = std::min(NUM_TRANSFERS, _num_buffers / 2);
BLADERF_WARNING(boost::str(boost::format("Clamping \"transfers\" to %d. "
"Try using a smaller \"transfers\" value if timeouts "
"occur.") % _num_transfers));
}
BLADERF_INFO(boost::str(boost::format("Buffers: %d, samples per buffer: "
"%d, active transfers: %d")
% _num_buffers
% _samples_per_buffer
% _num_transfers));
}
std::vector<std::string> bladerf_common::devices()
{
struct bladerf_devinfo *devices;
ssize_t n_devices;
std::vector<std::string> ret;
n_devices = bladerf_get_device_list(&devices);
if (n_devices > 0) {
for (ssize_t i = 0; i < n_devices; i++) {
std::string serial(devices[i].serial);
std::string devstr;
if (serial.length() == 32) {
serial.replace(4, 24, "...");
}
devstr = boost::str(boost::format("bladerf=%s,label='Nuand bladeRF%s%s'")
% devices[i].instance
% (serial.length() > 0 ? " SN " : "")
% serial);
ret.push_back(devstr);
}
bladerf_free_device_list(devices);
}
return ret;
}
bladerf_board_type bladerf_common::get_board_type()
{
if (NULL == _dev || NULL == _dev.get()) {
BLADERF_WARNING("no bladeRF device is open");
return BOARD_TYPE_NONE;
}
std::string boardname = std::string(bladerf_get_board_name(_dev.get()));
if (boardname == "bladerf1") {
return BOARD_TYPE_BLADERF_1;
}
if (boardname == "bladerf2") {
return BOARD_TYPE_BLADERF_2;
}
BLADERF_WARNING(boost::str(boost::format("model '%s' is not recognized")
% boardname));
return BOARD_TYPE_UNKNOWN;
}
size_t bladerf_common::get_max_channels(bladerf_direction direction)
{
#ifdef BLADERF_COMPATIBILITY
return 1;
#else
return bladerf_get_channel_count(_dev.get(), direction);
#endif
}
void bladerf_common::set_channel_enable(bladerf_channel ch, bool enable)
{
_enables[ch] = enable;
}
bool bladerf_common::get_channel_enable(bladerf_channel ch)
{
return _enables[ch];
}
void bladerf_common::set_verbosity(std::string const &verbosity)
{
bladerf_log_level l;
if (verbosity == "verbose") {
l = BLADERF_LOG_LEVEL_VERBOSE;
} else if (verbosity == "debug") {
l = BLADERF_LOG_LEVEL_DEBUG;
} else if (verbosity == "info") {
l = BLADERF_LOG_LEVEL_INFO;
} else if (verbosity == "warning") {
l = BLADERF_LOG_LEVEL_WARNING;
} else if (verbosity == "error") {
l = BLADERF_LOG_LEVEL_ERROR;
} else if (verbosity == "critical") {
l = BLADERF_LOG_LEVEL_CRITICAL;
} else if (verbosity == "silent") {
l = BLADERF_LOG_LEVEL_SILENT;
} else {
BLADERF_THROW(boost::str(boost::format("Invalid log level: %s")
% verbosity));
}
bladerf_log_set_verbosity(l);
}
bladerf_channel bladerf_common::str2channel(std::string const &ch)
{
std::string prefix, numstr;
unsigned int numint;
/* We expect strings like "RX1" or "TX2" */
if (ch.length() < 3) {
/* It's too short */
return BLADERF_CHANNEL_INVALID;
}
prefix = ch.substr(0,2);
numstr = ch.substr(2,std::string::npos);
numint = boost::lexical_cast<unsigned int>(numstr) - 1;
if (prefix == "RX") {
return BLADERF_CHANNEL_RX(numint);
}
if (prefix == "TX") {
return BLADERF_CHANNEL_TX(numint);
}
return BLADERF_CHANNEL_INVALID;
}
std::string bladerf_common::channel2str(bladerf_channel ch)
{
if (ch == BLADERF_CHANNEL_INVALID) {
return "OFF";
}
return boost::str(boost::format("%s%d")
% (_is_tx(ch) ? "TX" : "RX")
% (channel2rfport(ch) + 1));
}
int bladerf_common::channel2rfport(bladerf_channel ch)
{
return (ch >> 1);
}
bladerf_channel bladerf_common::chan2channel(bladerf_direction direction,
size_t chan)
{
for (bladerf_channel_map::value_type &i : _chanmap) {
bladerf_channel ch = i.first;
if (
(i.second == (int)chan) && (
(direction == BLADERF_TX && _is_tx(ch)) ||
(direction == BLADERF_RX && !_is_tx(ch))
)
) {
return i.first;
}
}
return BLADERF_CHANNEL_INVALID;
}
osmosdr::meta_range_t bladerf_common::sample_rates(bladerf_channel ch)
{
osmosdr::meta_range_t sample_rates;
#ifdef BLADERF_COMPATIBILITY
/* assuming the same for RX & TX */
sample_rates += osmosdr::range_t( 160e3, 200e3, 40e3 );
sample_rates += osmosdr::range_t( 300e3, 900e3, 100e3 );
sample_rates += osmosdr::range_t( 1e6, 40e6, 1e6 );
#else
int status;
const bladerf_range *brf_sample_rates;
status = bladerf_get_sample_rate_range(_dev.get(), ch, &brf_sample_rates);
if (status != 0) {
BLADERF_THROW_STATUS(status, "bladerf_get_sample_rate_range failed");
}
/* Suggest a variety of sample rates */
sample_rates += osmosdr::range_t(brf_sample_rates->min,
brf_sample_rates->max / 4.0,
brf_sample_rates->max / 16.0);
sample_rates += osmosdr::range_t(brf_sample_rates->max / 4.0,
brf_sample_rates->max / 2.0,
brf_sample_rates->max / 8.0);
sample_rates += osmosdr::range_t(brf_sample_rates->max / 2.0,
brf_sample_rates->max,
brf_sample_rates->max / 4.0);
#endif
return sample_rates;
}
double bladerf_common::set_sample_rate(double rate, bladerf_channel ch)
{
int status;
struct bladerf_rational_rate rational_rate, actual;
rational_rate.integer = static_cast<uint32_t>(rate);
rational_rate.den = 10000;
rational_rate.num = (rate - rational_rate.integer) * rational_rate.den;
status = bladerf_set_rational_sample_rate(_dev.get(), ch,
&rational_rate, &actual);
if (status != 0) {
BLADERF_THROW_STATUS(status, "Failed to set sample rate");
}
return actual.integer + (actual.num / static_cast<double>(actual.den));
}
double bladerf_common::get_sample_rate(bladerf_channel ch)
{
int status;
struct bladerf_rational_rate rate;
status = bladerf_get_rational_sample_rate(_dev.get(), ch, &rate);
if (status != 0) {
BLADERF_THROW_STATUS(status, "Failed to get sample rate");
}
return rate.integer + rate.num / static_cast<double>(rate.den);
}
osmosdr::freq_range_t bladerf_common::freq_range(bladerf_channel ch)
{
#ifdef BLADERF_COMPATIBILITY
return osmosdr::freq_range_t( _is_xb_attached(_dev) ? 0 : 280e6,
BLADERF_FREQUENCY_MAX );
#else
int status;
const struct bladerf_range *range;
status = bladerf_get_frequency_range(_dev.get(), ch, &range);
if (status != 0) {
BLADERF_THROW_STATUS(status, "bladerf_get_frequency_range failed");
};
return osmosdr::freq_range_t(static_cast<double>(range->min),
static_cast<double>(range->max),
static_cast<double>(range->step));
#endif
}
double bladerf_common::set_center_freq(double freq, bladerf_channel ch)
{
int status;
uint64_t freqint = static_cast<uint64_t>(freq + 0.5);
/* Check frequency range */
if (freqint < freq_range(ch).start() || freqint > freq_range(ch).stop()) {
BLADERF_WARNING(boost::str(boost::format("Frequency %d Hz is outside "
"range, ignoring") % freqint));
} else {
status = bladerf_set_frequency(_dev.get(), ch, freqint);
if (status != 0) {
BLADERF_THROW_STATUS(status, boost::str(boost::format("Failed to set center "
"frequency to %d Hz") % freqint));
}
}
return get_center_freq(ch);
}
double bladerf_common::get_center_freq(bladerf_channel ch)
{
int status;
uint64_t freq;
status = bladerf_get_frequency(_dev.get(), ch, &freq);
if (status != 0) {
BLADERF_THROW_STATUS(status, "Failed to get center frequency");
}
return static_cast<double>(freq);
}
osmosdr::freq_range_t bladerf_common::filter_bandwidths(bladerf_channel ch)
{
osmosdr::freq_range_t bandwidths;
#ifdef BLADERF_COMPATIBILITY
std::vector<double> half_bandwidths; /* in MHz */
half_bandwidths += \
0.75, 0.875, 1.25, 1.375, 1.5, 1.92, 2.5,
2.75, 3, 3.5, 4.375, 5, 6, 7, 10, 14;
for (double half_bw : half_bandwidths)
bandwidths += osmosdr::range_t( half_bw * 2e6 );
#else
int status;
const bladerf_range *range;
status = bladerf_get_bandwidth_range(_dev.get(), ch, &range);
if (status != 0) {
BLADERF_THROW_STATUS(status, "bladerf_get_bandwidth_range failed");
}
bandwidths += osmosdr::range_t(range->min, range->max, range->step);
#endif
return bandwidths;
}
double bladerf_common::set_bandwidth(double bandwidth, bladerf_channel ch)
{
int status;
uint32_t bwint;
if (bandwidth == 0.0) {
/* bandwidth of 0 means automatic filter selection */
/* select narrower filters to prevent aliasing */
bandwidth = get_sample_rate(ch) * 0.75;
}
bwint = static_cast<uint32_t>(bandwidth + 0.5);
status = bladerf_set_bandwidth(_dev.get(), ch, bwint, NULL);
if (status != 0) {
BLADERF_THROW_STATUS(status, "could not set bandwidth");
}
return get_bandwidth(ch);
}
double bladerf_common::get_bandwidth(bladerf_channel ch)
{
int status;
uint32_t bandwidth;
status = bladerf_get_bandwidth(_dev.get(), ch, &bandwidth);
if (status != 0) {
BLADERF_THROW_STATUS(status, "could not get bandwidth");
}
return static_cast<double>(bandwidth);
}
std::vector<std::string> bladerf_common::get_gain_names(bladerf_channel ch)
{
std::vector<std::string> names;
#ifdef BLADERF_COMPATIBILITY
names += "LNA", "VGA1", "VGA2";
#else
const size_t max_count = 16;
char *gain_names[max_count];
int count;
names += SYSTEM_GAIN_NAME;
count = bladerf_get_gain_stages(_dev.get(), ch,
reinterpret_cast<const char **>(&gain_names),
max_count);
if (count < 0) {
BLADERF_THROW_STATUS(count, "Failed to enumerate gain stages");
}
for (int i = 0; i < count; ++i) {
char *tmp = gain_names[i];
printf("FOUND %s\n", tmp);
names += std::string(tmp);
};
#endif
return names;
}
osmosdr::gain_range_t bladerf_common::get_gain_range(bladerf_channel ch)
{
/* This is an overall system gain range. */
return get_gain_range(SYSTEM_GAIN_NAME, ch);
}
osmosdr::gain_range_t bladerf_common::get_gain_range(std::string const &name,
bladerf_channel ch)
{
#ifdef BLADERF_COMPATIBILITY
if( name == "LNA" ) {
return osmosdr::gain_range_t( 0, 6, 3 );
} else if( name == "VGA1" ) {
return osmosdr::gain_range_t( 5, 30, 1 );
} else if( name == "VGA2" ) {
return osmosdr::gain_range_t( 0, 30, 3 );
} else {
BLADERF_THROW_STATUS(BLADERF_ERR_UNSUPPORTED, boost::str(boost::format(
"Failed to get gain range for stage '%s'") % name));
}
#else
int status;
const bladerf_range *range;
if (name == SYSTEM_GAIN_NAME) {
status = bladerf_get_gain_range(_dev.get(), ch, &range);
} else {
status = bladerf_get_gain_stage_range(_dev.get(), ch, name.c_str(), &range);
}
if (status != 0) {
BLADERF_THROW_STATUS(status, boost::str(boost::format("Failed to get gain "
"range for stage '%s'") % name));
}
return osmosdr::gain_range_t(range->min, range->max, range->step);
#endif
}
bool bladerf_common::set_gain_mode(bool automatic, bladerf_channel ch,
bladerf_gain_mode agc_mode)
{
int status;
bladerf_gain_mode mode = automatic ? agc_mode : BLADERF_GAIN_MGC;
status = bladerf_set_gain_mode(_dev.get(), ch, mode);
if (status != 0) {
BLADERF_THROW_STATUS(status, boost::str(boost::format("Setting gain mode "
"to '%s' failed")
% (automatic ? "automatic" : "manual")));
}
return get_gain_mode(ch);
}
bool bladerf_common::get_gain_mode(bladerf_channel ch)
{
int status;
bladerf_gain_mode gainmode = BLADERF_GAIN_DEFAULT;
status = bladerf_get_gain_mode(_dev.get(), ch, &gainmode);
if (status != 0) {
BLADERF_WARN_STATUS(status, "Failed to get gain mode");
}
return (gainmode != BLADERF_GAIN_MGC);
}
double bladerf_common::set_gain(double gain, bladerf_channel ch)
{
return set_gain(gain, SYSTEM_GAIN_NAME, ch);
}
double bladerf_common::set_gain(double gain,
std::string const &name,
bladerf_channel ch)
{
int status;
#ifdef BLADERF_COMPATIBILITY
if( name == "LNA" ) {
bladerf_lna_gain g;
if ( gain >= 6.0f )
g = BLADERF_LNA_GAIN_MAX;
else if ( gain >= 3.0f )
g = BLADERF_LNA_GAIN_MID;
else /* gain < 3.0f */
g = BLADERF_LNA_GAIN_BYPASS;
status = bladerf_set_lna_gain( _dev.get(), g );
} else if( name == "VGA1" ) {
status = bladerf_set_rxvga1( _dev.get(), (int)gain );
} else if( name == "VGA2" ) {
status = bladerf_set_rxvga2( _dev.get(), (int)gain );
} else {
status = BLADERF_ERR_UNSUPPORTED;
}
#else
if (name == SYSTEM_GAIN_NAME) {
status = bladerf_set_gain(_dev.get(), ch, static_cast<int>(gain));
} else {
status = bladerf_set_gain_stage(_dev.get(), ch, name.c_str(),
static_cast<int>(gain));
}
#endif
/* Check for errors */
if (BLADERF_ERR_UNSUPPORTED == status) {
// unsupported, but not worth crashing out
BLADERF_WARNING(boost::str(boost::format("Gain stage '%s' not supported "
"by device") % name));
} else if (status != 0) {
BLADERF_THROW_STATUS(status, boost::str(boost::format("Failed to set "
"gain for stage '%s'") % name));
}
return get_gain(name, ch);
}
double bladerf_common::get_gain(bladerf_channel ch)
{
return get_gain(SYSTEM_GAIN_NAME, ch);
}
double bladerf_common::get_gain(std::string const &name, bladerf_channel ch)
{
int status;
int g = 0;
#ifdef BLADERF_COMPATIBILITY
if( name == "LNA" ) {
bladerf_lna_gain lna_g;
status = bladerf_get_lna_gain( _dev.get(), &lna_g );
g = lna_g == BLADERF_LNA_GAIN_BYPASS ? 0 : lna_g == BLADERF_LNA_GAIN_MID ? 3 : 6;
} else if( name == "VGA1" ) {
status = bladerf_get_rxvga1( _dev.get(), &g );
} else if( name == "VGA2" ) {
status = bladerf_get_rxvga2( _dev.get(), &g );
} else {
status = BLADERF_ERR_UNSUPPORTED;
}
#else
if (name == SYSTEM_GAIN_NAME) {
status = bladerf_get_gain(_dev.get(), ch, &g);
} else {
status = bladerf_get_gain_stage(_dev.get(), ch, name.c_str(), &g);
}
#endif
/* Check for errors */
if (status != 0) {
BLADERF_WARN_STATUS(status, boost::str(boost::format("Could not get gain "
"for stage '%s'") % name));
}
return static_cast<double>(g);
}
std::vector<std::string> bladerf_common::get_antennas(bladerf_direction dir)
{
std::vector<std::string> antennas;
for (size_t i = 0; i < get_max_channels(dir); ++i) {
switch (dir) {
case BLADERF_RX:
antennas += channel2str(BLADERF_CHANNEL_RX(i));
break;
case BLADERF_TX:
antennas += channel2str(BLADERF_CHANNEL_TX(i));
break;
default:
break;
}
}
return antennas;
}
bool bladerf_common::set_antenna(bladerf_direction dir,
size_t chan,
const std::string &antenna)
{
if (!is_antenna_valid(dir, antenna)) {
BLADERF_THROW("Invalid antenna: " + antenna);
}
// This port's old antenna
bladerf_channel old_channel = chan2channel(dir, chan);
// This port's new antenna
bladerf_channel new_channel = str2channel(antenna);
// The new antenna's old port
int old_chan = _chanmap[new_channel];
if (old_channel != new_channel || old_chan != (int)chan) {
// Disable the old antenna, if it's not going to be used
if (old_chan == -1) {
set_channel_enable(old_channel, false);
}
// Swap antennas
_chanmap[old_channel] = old_chan;
_chanmap[new_channel] = chan;
// Enable the new antenna
set_channel_enable(new_channel, true);
}
return true;
}
int bladerf_common::set_dc_offset(std::complex<double> const &offset,
bladerf_channel ch)
{
int ret = 0;
int16_t val_i, val_q;
val_i = static_cast<int16_t>(offset.real() * DCOFF_SCALE);
val_q = static_cast<int16_t>(offset.imag() * DCOFF_SCALE);
ret = bladerf_set_correction(_dev.get(), ch,
BLADERF_CORR_LMS_DCOFF_I, val_i);
ret |= bladerf_set_correction(_dev.get(), ch,
BLADERF_CORR_LMS_DCOFF_Q, val_q);
return ret;
}
int bladerf_common::set_iq_balance(std::complex<double> const &balance,
bladerf_channel ch)
{
int ret = 0;
int16_t val_gain, val_phase;
val_gain = static_cast<int16_t>(balance.real() * GAIN_SCALE);
val_phase = static_cast<int16_t>(balance.imag() * PHASE_SCALE);
ret = bladerf_set_correction(_dev.get(), ch,
BLADERF_CORR_FPGA_GAIN, val_gain);
ret |= bladerf_set_correction(_dev.get(), ch,
BLADERF_CORR_FPGA_PHASE, val_phase);
return ret;
}
std::vector<std::string> bladerf_common::get_clock_sources(size_t mboard)
{
std::vector<std::string> sources;
// assumes zero-based 1:1 mapping
sources.push_back("internal"); // BLADERF_VCTCXO_TAMER_DISABLED
sources.push_back("external_1pps"); // BLADERF_VCTCXO_TAMER_1_PPS
sources.push_back("external"); // BLADERF_VCTCXO_TAMER_10_MHZ
return sources;
}
void bladerf_common::set_clock_source(std::string const &source,
size_t mboard)
{
int status;
bladerf_vctcxo_tamer_mode tamer_mode;
std::vector<std::string> clock_sources;
int index;
tamer_mode = BLADERF_VCTCXO_TAMER_DISABLED;
clock_sources = get_clock_sources(mboard);
index = std::find(clock_sources.begin(), clock_sources.end(), source) - clock_sources.begin();
if (index < static_cast<int>(clock_sources.size())) {
tamer_mode = static_cast<bladerf_vctcxo_tamer_mode>(index);
}
status = bladerf_set_vctcxo_tamer_mode(_dev.get(), tamer_mode);
if (status != 0) {
BLADERF_THROW_STATUS(status, "Failed to set VCTCXO tamer mode");
}
}
std::string bladerf_common::get_clock_source(size_t mboard)
{
int status;
bladerf_vctcxo_tamer_mode tamer_mode;
std::vector<std::string> clock_sources;
tamer_mode = BLADERF_VCTCXO_TAMER_INVALID;
status = bladerf_get_vctcxo_tamer_mode(_dev.get(), &tamer_mode);
if (status != 0) {
BLADERF_THROW_STATUS(status, "Failed to get VCTCXO tamer mode");
}
clock_sources = get_clock_sources(mboard);
return clock_sources.at(tamer_mode);
}
void bladerf_common::set_smb_frequency(double frequency)
{
int status;
uint32_t freqint = static_cast<uint32_t>(frequency + 0.5);
uint32_t actual_frequency = freqint;
if (_is_xb_attached(_dev)) {
BLADERF_WARNING("Cannot use SMB port when expansion board is attached");
return;
}
status = bladerf_set_smb_frequency(_dev.get(),
freqint,
&actual_frequency);
if (status != 0) {
BLADERF_THROW_STATUS(status, "Failed to set SMB frequency");
}
if (freqint != actual_frequency) {
BLADERF_WARNING(boost::str(boost::format("Wanted SMB frequency %f (%d) "
"Hz, actual frequency is %d Hz")
% frequency % freqint % actual_frequency));
}
}
double bladerf_common::get_smb_frequency()
{
int status;
unsigned int actual_frequency;
if (_is_xb_attached(_dev)) {
BLADERF_WARNING("Cannot use SMB port when expansion board is attached");
return 0.0;
}
status = bladerf_get_smb_frequency(_dev.get(), &actual_frequency);
if (status != 0) {
BLADERF_THROW_STATUS(status, "Failed to get SMB frequency");
}
return static_cast<double>(actual_frequency);
}
/******************************************************************************
* Private methods
******************************************************************************/
bladerf_sptr bladerf_common::open(std::string const &device_name)
{
int status;
struct bladerf *raw_dev = NULL;
struct bladerf_devinfo devinfo;
std::lock_guard<std::mutex> lock(_devs_mutex);
/* Initialize the information used to identify the desired device
* to all wildcard (i.e., "any device") values */
bladerf_init_devinfo(&devinfo);
/* Populate the devinfo structure from device_name */
status = bladerf_get_devinfo_from_str(device_name.c_str(), &devinfo);
if (status < 0) {
BLADERF_THROW_STATUS(status, boost::str(boost::format("Failed to get "
"devinfo for '%s'") % device_name));
}
/* Do we already have this device open? */
bladerf_sptr cached_dev = get_cached_device(devinfo);
if (cached_dev) {
return cached_dev;
}
/* Open the device. */
status = bladerf_open_with_devinfo(&raw_dev, &devinfo);
if (status < 0) {
BLADERF_THROW_STATUS(status, boost::str(boost::format("Failed to open "
"device for '%s'") % device_name));
}
/* Add the device handle to our cache */
bladerf_sptr dev = bladerf_sptr(raw_dev, bladerf_common::close);
_devs.push_back(static_cast<std::weak_ptr<struct bladerf> >(dev));
return dev;
}
void bladerf_common::close(void *dev)
{
std::lock_guard<std::mutex> lock(_devs_mutex);
std::list<std::weak_ptr<struct bladerf> >::iterator it(_devs.begin());
/* Prune expired entries from device cache */
while (it != _devs.end()) {
if ((*it).expired()) {
it = _devs.erase(it);
} else {
++it;
}
}
bladerf_close(static_cast<struct bladerf *>(dev));
}
bladerf_sptr bladerf_common::get_cached_device(struct bladerf_devinfo devinfo)
{
/* Lock to _devs must be aquired by caller */
int status;
struct bladerf_devinfo other_devinfo;
for (std::weak_ptr<struct bladerf> dev : _devs) {
status = bladerf_get_devinfo(bladerf_sptr(dev).get(), &other_devinfo);
if (status < 0) {
BLADERF_THROW_STATUS(status, "Failed to get devinfo for cached device");
}
if (bladerf_devinfo_matches(&devinfo, &other_devinfo)) {
return bladerf_sptr(dev);
}
}
return bladerf_sptr();
}
void bladerf_common::print_device_info()
{
char serial[BLADERF_SERIAL_LENGTH];
struct bladerf_version ver;
std::cout << _pfx << "Device: ";
switch (get_board_type()) {
case BOARD_TYPE_BLADERF_1:
std::cout << "Nuand bladeRF";
break;
case BOARD_TYPE_BLADERF_2:
std::cout << "Nuand bladeRF 2.0";
break;
default:
std::cout << "Unknown Device";
break;
}
if (bladerf_get_serial(_dev.get(), serial) == 0) {
std::string strser(serial);
if (strser.length() == 32) {
strser.replace(4, 24, "...");
}
std::cout << " Serial # " << strser;
} else {
std::cout << " Serial # UNKNOWN";
}
if (bladerf_fw_version(_dev.get(), &ver) == 0) {
std::cout << " FW v" << ver.major << "." << ver.minor << "." << ver.patch;
} else {
std::cout << " FW version UNKNOWN";
}
if (bladerf_fpga_version(_dev.get(), &ver) == 0) {
std::cout << " FPGA v" << ver.major << "." << ver.minor << "." << ver.patch;
} else {
std::cout << " FPGA version UNKNOWN";
}
std::cout << std::endl;
}
bool bladerf_common::is_antenna_valid(bladerf_direction dir,
const std::string &antenna)
{
for (std::string ant : get_antennas(dir)) {
if (antenna == ant) {
return true;
}
}
return false;
}