forked from sdr/gr-osmosdr
486 lines
14 KiB
C++
486 lines
14 KiB
C++
/* -*- 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 <iostream>
|
|
|
|
#include <boost/assign.hpp>
|
|
#include <boost/format.hpp>
|
|
#include <boost/lexical_cast.hpp>
|
|
|
|
#include <gnuradio/io_signature.h>
|
|
#include <gnuradio/tags.h>
|
|
#include <gnuradio/sync_block.h>
|
|
|
|
#include <volk/volk.h>
|
|
|
|
#include "arg_helpers.h"
|
|
#include "bladerf_sink_c.h"
|
|
|
|
//#define DEBUG_BLADERF_SINK
|
|
#ifdef DEBUG_BLADERF_SINK
|
|
# define DBG(input) std::cerr << _pfx << input << std::endl
|
|
#else
|
|
# define DBG(input)
|
|
#endif
|
|
|
|
using namespace boost::assign;
|
|
|
|
/*
|
|
* Create a new instance of bladerf_sink_c and return
|
|
* a boost shared_ptr. This is effectively the public constructor.
|
|
*/
|
|
bladerf_sink_c_sptr make_bladerf_sink_c (const std::string &args)
|
|
{
|
|
return gnuradio::get_initial_sptr(new bladerf_sink_c (args));
|
|
}
|
|
|
|
/*
|
|
* Specify constraints on number of input and output streams.
|
|
* This info is used to construct the input and output signatures
|
|
* (2nd & 3rd args to gr_block's constructor). The input and
|
|
* output signatures are used by the runtime system to
|
|
* check that a valid number and type of inputs and outputs
|
|
* are connected to this block. In this case, we accept either
|
|
* 1 or 2 inputs.
|
|
*/
|
|
static const int MIN_IN = 1; // mininum number of input streams
|
|
static const int MAX_IN = 2; // maximum number of input streams
|
|
static const int MIN_OUT = 0; // minimum number of output streams
|
|
static const int MAX_OUT = 0; // maximum number of output streams
|
|
|
|
/*
|
|
* The private constructor
|
|
*/
|
|
bladerf_sink_c::bladerf_sink_c (const std::string &args)
|
|
: gr::sync_block ("bladerf_sink_c",
|
|
gr::io_signature::make (MIN_IN, MAX_IN, sizeof (gr_complex)),
|
|
gr::io_signature::make (MIN_OUT, MAX_OUT, sizeof (gr_complex)))
|
|
{
|
|
dict_t dict = params_to_dict(args);
|
|
|
|
/* Perform src/sink agnostic initializations */
|
|
init(dict, BLADERF_MODULE_TX);
|
|
}
|
|
|
|
bool bladerf_sink_c::start()
|
|
{
|
|
_in_burst = false;
|
|
return bladerf_common::start(BLADERF_MODULE_TX);
|
|
}
|
|
|
|
bool bladerf_sink_c::stop()
|
|
{
|
|
return bladerf_common::stop(BLADERF_MODULE_TX);
|
|
}
|
|
|
|
#define INVALID_IDX -1
|
|
|
|
int bladerf_sink_c::transmit_with_tags(int noutput_items)
|
|
{
|
|
int count = 0;
|
|
int status = 0;
|
|
|
|
// For a long burst, we may be transmitting the burst contents over
|
|
// multiple work calls, so we'll just be sending the entire buffer
|
|
// Therefore, we initialize our indicies for this case.
|
|
int start_idx = 0;
|
|
int end_idx = (noutput_items - 1);
|
|
|
|
struct bladerf_metadata meta;
|
|
std::vector<gr::tag_t> tags;
|
|
|
|
int16_t zeros[8] = { 0 };
|
|
|
|
memset(&meta, 0, sizeof(meta));
|
|
|
|
DBG("transmit_with_tags(" << noutput_items << ")");
|
|
|
|
// Important Note: We assume that these tags are ordered by their offsets.
|
|
// This is true for GNU Radio 3.7.7.x, since the GR runtime libs store
|
|
// these in a multimap.
|
|
//
|
|
// If you're using an earlier GNU Radio version, you may have to sort
|
|
// the tags vector.
|
|
get_tags_in_window(tags, 0, 0, noutput_items);
|
|
|
|
if (tags.size() == 0) {
|
|
if (_in_burst) {
|
|
DBG("TX'ing " << noutput_items << " samples in within a burst...");
|
|
|
|
return bladerf_sync_tx(_dev.get(),
|
|
static_cast<void *>(_conv_buf),
|
|
noutput_items, &meta, _stream_timeout_ms);
|
|
} else {
|
|
std::cerr << _pfx << "Dropping " << noutput_items
|
|
<< " samples not in a burst." << std::endl;
|
|
}
|
|
}
|
|
|
|
|
|
BOOST_FOREACH( gr::tag_t tag, tags) {
|
|
|
|
// Upon seeing an SOB tag, update our offset. We'll TX the start of the
|
|
// burst when we see an EOB or at the end of this function - whichever
|
|
// occurs first.
|
|
if (pmt::symbol_to_string(tag.key) == "tx_sob") {
|
|
if (_in_burst) {
|
|
std::cerr << ("Got SOB while already within a burst");
|
|
return BLADERF_ERR_INVAL;
|
|
} else {
|
|
start_idx = static_cast<int>(tag.offset - nitems_read(0));
|
|
DBG("Got SOB " << start_idx << " samples into work payload");
|
|
|
|
meta.flags |= (BLADERF_META_FLAG_TX_NOW | BLADERF_META_FLAG_TX_BURST_START);
|
|
_in_burst = true;
|
|
|
|
}
|
|
} else if (pmt::symbol_to_string(tag.key) == "tx_eob") {
|
|
if (!_in_burst) {
|
|
std::cerr << _pfx << "Got EOB while not in burst" << std::endl;
|
|
return BLADERF_ERR_INVAL;
|
|
}
|
|
|
|
// Upon seeing an EOB, transmit what we have and reset our state
|
|
end_idx = static_cast<int>(tag.offset - nitems_read(0));
|
|
DBG("Got EOB " << end_idx << " samples into work payload");
|
|
|
|
if ( (start_idx == INVALID_IDX) || (start_idx > end_idx) ) {
|
|
DBG("Buffer indicies are in an invalid state!");
|
|
return BLADERF_ERR_INVAL;
|
|
}
|
|
|
|
count = end_idx - start_idx + 1;
|
|
|
|
DBG("TXing @ EOB [" << start_idx << ":" << end_idx << "]");
|
|
|
|
status = bladerf_sync_tx(_dev.get(),
|
|
static_cast<void *>(&_conv_buf[2*start_idx]),
|
|
count, &meta, _stream_timeout_ms);
|
|
if (status != 0) {
|
|
return status;
|
|
}
|
|
|
|
/* TODO: libbladeRF should now take care of this for us,
|
|
* as of the libbladeRF version that includes the
|
|
* TX_UPDATE_TIMESTAMP flag. Verify this potentially remove this.
|
|
* (The meta.flags changes would then be applied to the previous
|
|
* bladerf_sync_tx() call.)
|
|
*/
|
|
DBG("TXing Zeros with burst end flag");
|
|
|
|
meta.flags &= ~(BLADERF_META_FLAG_TX_NOW | BLADERF_META_FLAG_TX_BURST_START);
|
|
meta.flags |= BLADERF_META_FLAG_TX_BURST_END;
|
|
|
|
status = bladerf_sync_tx(_dev.get(),
|
|
static_cast<void *>(zeros),
|
|
4, &meta, _stream_timeout_ms);
|
|
|
|
|
|
/* Reset our state */
|
|
start_idx = INVALID_IDX;
|
|
end_idx = (noutput_items - 1);
|
|
meta.flags = 0;
|
|
_in_burst = false;
|
|
|
|
if (status != 0) {
|
|
DBG("Failed to send zero samples to flush EOB");
|
|
return status;
|
|
}
|
|
}
|
|
}
|
|
|
|
// We had a start of burst with no end yet - transmit those samples
|
|
if (_in_burst) {
|
|
count = end_idx - start_idx + 1;
|
|
|
|
DBG("TXing SOB [" << start_idx << ":" << end_idx << "]");
|
|
|
|
status = bladerf_sync_tx(_dev.get(),
|
|
static_cast<void *>(&_conv_buf[2*start_idx]),
|
|
count, &meta, _stream_timeout_ms);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
int bladerf_sink_c::work( int noutput_items,
|
|
gr_vector_const_void_star &input_items,
|
|
gr_vector_void_star &output_items )
|
|
{
|
|
const gr_complex *in = (const gr_complex *) input_items[0];
|
|
const float scaling = 2000.0f;
|
|
int ret;
|
|
|
|
if (noutput_items > _conv_buf_size) {
|
|
void *tmp;
|
|
|
|
_conv_buf_size = noutput_items;
|
|
tmp = realloc(_conv_buf, _conv_buf_size * 2 * sizeof(int16_t));
|
|
if (tmp == NULL) {
|
|
throw std::runtime_error( std::string(__FUNCTION__) +
|
|
"Failed to realloc _conv_buf" );
|
|
} else {
|
|
DBG("Resized _conv_buf to " << _conv_buf_size << " samples");
|
|
}
|
|
|
|
_conv_buf = static_cast<int16_t*>(tmp);
|
|
}
|
|
|
|
/* Convert floating point samples into fixed point */
|
|
volk_32f_s32f_convert_16i(_conv_buf, (float*)in, scaling, 2 * noutput_items);
|
|
|
|
if (_use_metadata) {
|
|
ret = transmit_with_tags(noutput_items);
|
|
} else {
|
|
ret = bladerf_sync_tx(_dev.get(), static_cast<void *>(_conv_buf),
|
|
noutput_items, NULL, _stream_timeout_ms);
|
|
}
|
|
|
|
if ( ret != 0 ) {
|
|
std::cerr << _pfx << "bladerf_sync_tx error: "
|
|
<< bladerf_strerror(ret) << std::endl;
|
|
|
|
_consecutive_failures++;
|
|
|
|
if ( _consecutive_failures >= MAX_CONSECUTIVE_FAILURES ) {
|
|
noutput_items = WORK_DONE;
|
|
std::cerr << _pfx
|
|
<< "Consecutive error limit hit. Shutting down."
|
|
<< std::endl;
|
|
}
|
|
} else {
|
|
_consecutive_failures = 0;
|
|
}
|
|
|
|
return noutput_items;
|
|
}
|
|
|
|
|
|
std::vector<std::string> bladerf_sink_c::get_devices()
|
|
{
|
|
return bladerf_common::devices();
|
|
}
|
|
|
|
size_t bladerf_sink_c::get_num_channels()
|
|
{
|
|
return bladerf_common::get_num_channels(BLADERF_MODULE_TX);
|
|
}
|
|
|
|
osmosdr::meta_range_t bladerf_sink_c::get_sample_rates()
|
|
{
|
|
return sample_rates();
|
|
}
|
|
|
|
double bladerf_sink_c::set_sample_rate(double rate)
|
|
{
|
|
return bladerf_common::set_sample_rate(BLADERF_MODULE_TX, rate);
|
|
}
|
|
|
|
double bladerf_sink_c::get_sample_rate()
|
|
{
|
|
return bladerf_common::get_sample_rate(BLADERF_MODULE_TX);
|
|
}
|
|
|
|
osmosdr::freq_range_t bladerf_sink_c::get_freq_range(size_t chan)
|
|
{
|
|
return bladerf_common::get_freq_range(chan);
|
|
}
|
|
|
|
double bladerf_sink_c::set_center_freq(double freq, size_t chan)
|
|
{
|
|
return bladerf_common::set_center_freq(freq, chan);
|
|
}
|
|
|
|
double bladerf_sink_c::get_center_freq(size_t chan)
|
|
{
|
|
return bladerf_common::get_center_freq(chan);
|
|
}
|
|
|
|
double bladerf_sink_c::set_freq_corr( double ppm, size_t chan )
|
|
{
|
|
/* TODO: Write the VCTCXO with a correction value (also changes RX ppm value!) */
|
|
return get_freq_corr( chan );
|
|
}
|
|
|
|
double bladerf_sink_c::get_freq_corr( size_t chan )
|
|
{
|
|
/* TODO: Return back the frequency correction in ppm */
|
|
return 0;
|
|
}
|
|
|
|
std::vector<std::string> bladerf_sink_c::get_gain_names( size_t chan )
|
|
{
|
|
return bladerf_common::get_gain_names(chan);
|
|
}
|
|
|
|
osmosdr::gain_range_t bladerf_sink_c::get_gain_range( size_t chan )
|
|
{
|
|
return bladerf_common::get_gain_range(chan);
|
|
}
|
|
|
|
osmosdr::gain_range_t bladerf_sink_c::get_gain_range( const std::string & name, size_t chan )
|
|
{
|
|
return bladerf_common::get_gain_range(name, chan);
|
|
}
|
|
|
|
bool bladerf_sink_c::set_gain_mode( bool automatic, size_t chan )
|
|
{
|
|
return bladerf_common::set_gain_mode(automatic, chan);
|
|
}
|
|
|
|
bool bladerf_sink_c::get_gain_mode( size_t chan )
|
|
{
|
|
return bladerf_common::get_gain_mode(chan);
|
|
}
|
|
|
|
double bladerf_sink_c::set_gain( double gain, size_t chan )
|
|
{
|
|
return bladerf_common::set_gain(gain, chan);
|
|
}
|
|
|
|
double bladerf_sink_c::set_gain( double gain, const std::string & name, size_t chan)
|
|
{
|
|
return bladerf_common::set_gain(gain, name, chan);
|
|
}
|
|
|
|
double bladerf_sink_c::get_gain( size_t chan )
|
|
{
|
|
return bladerf_common::get_gain(chan);
|
|
}
|
|
|
|
double bladerf_sink_c::get_gain( const std::string & name, size_t chan )
|
|
{
|
|
return bladerf_common::get_gain(name, chan);
|
|
}
|
|
|
|
|
|
std::vector< std::string > bladerf_sink_c::get_antennas( size_t chan )
|
|
{
|
|
std::vector< std::string > antennas;
|
|
|
|
antennas += "TX0";
|
|
|
|
if (BLADERF_REV_2 == get_board_type(_dev.get())) {
|
|
antennas += "TX1";
|
|
}
|
|
|
|
return antennas;
|
|
}
|
|
|
|
std::string bladerf_sink_c::set_antenna( const std::string & antenna, size_t chan )
|
|
{
|
|
return get_antenna( chan );
|
|
}
|
|
|
|
std::string bladerf_sink_c::get_antenna( size_t chan )
|
|
{
|
|
/* We only have a single transmit antenna here */
|
|
return "TX0";
|
|
}
|
|
|
|
void bladerf_sink_c::set_dc_offset( const std::complex<double> &offset, size_t chan )
|
|
{
|
|
int ret = 0;
|
|
|
|
ret = bladerf_common::set_dc_offset(BLADERF_MODULE_TX, offset, chan);
|
|
|
|
if( ret ) {
|
|
throw std::runtime_error( std::string(__FUNCTION__) + " " +
|
|
"could not set dc offset: " +
|
|
std::string(bladerf_strerror(ret)) );
|
|
}
|
|
}
|
|
|
|
void bladerf_sink_c::set_iq_balance( const std::complex<double> &balance, size_t chan )
|
|
{
|
|
int ret = 0;
|
|
|
|
ret = bladerf_common::set_iq_balance(BLADERF_MODULE_TX, balance, chan);
|
|
|
|
if( ret ) {
|
|
throw std::runtime_error( std::string(__FUNCTION__) + " " +
|
|
"could not set iq balance: " +
|
|
std::string(bladerf_strerror(ret)) );
|
|
}
|
|
}
|
|
|
|
double bladerf_sink_c::set_bandwidth( double bandwidth, size_t chan )
|
|
{
|
|
int ret;
|
|
uint32_t actual;
|
|
|
|
if ( bandwidth == 0.0 ) /* bandwidth of 0 means automatic filter selection */
|
|
bandwidth = get_sample_rate() * 0.75; /* select narrower filters to prevent aliasing */
|
|
|
|
ret = bladerf_set_bandwidth( _dev.get(), BLADERF_MODULE_TX, (uint32_t)bandwidth, &actual );
|
|
if( ret ) {
|
|
throw std::runtime_error( std::string(__FUNCTION__) + " " +
|
|
"could not set bandwidth:" +
|
|
std::string(bladerf_strerror(ret)) );
|
|
}
|
|
|
|
return get_bandwidth();
|
|
}
|
|
|
|
double bladerf_sink_c::get_bandwidth( size_t chan )
|
|
{
|
|
uint32_t bandwidth;
|
|
int ret;
|
|
|
|
ret = bladerf_get_bandwidth( _dev.get(), BLADERF_MODULE_TX, &bandwidth );
|
|
if( ret ) {
|
|
throw std::runtime_error( std::string(__FUNCTION__) + " " +
|
|
"could not get bandwidth: " +
|
|
std::string(bladerf_strerror(ret)) );
|
|
}
|
|
|
|
return (double)bandwidth;
|
|
}
|
|
|
|
osmosdr::freq_range_t bladerf_sink_c::get_bandwidth_range( size_t chan )
|
|
{
|
|
return filter_bandwidths();
|
|
}
|
|
|
|
void bladerf_sink_c::set_clock_source(const std::string &source, const size_t mboard)
|
|
{
|
|
bladerf_common::set_clock_source(source, mboard);
|
|
}
|
|
|
|
std::string bladerf_sink_c::get_clock_source(const size_t mboard)
|
|
{
|
|
return bladerf_common::get_clock_source(mboard);
|
|
}
|
|
|
|
std::vector<std::string> bladerf_sink_c::get_clock_sources(const size_t mboard)
|
|
{
|
|
return bladerf_common::get_clock_sources(mboard);
|
|
}
|