diff options
Diffstat (limited to 'lib/xtrx/xtrx_sink_c.cc')
| -rw-r--r-- | lib/xtrx/xtrx_sink_c.cc | 505 |
1 files changed, 505 insertions, 0 deletions
diff --git a/lib/xtrx/xtrx_sink_c.cc b/lib/xtrx/xtrx_sink_c.cc new file mode 100644 index 0000000..5253311 --- /dev/null +++ b/lib/xtrx/xtrx_sink_c.cc @@ -0,0 +1,505 @@ +/* -*- c++ -*- */ +/* + * Copyright 2016,2017 Sergey Kostanbaev <sergey.kostanbaev@fairwaves.co> + * + * 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. + */ +#include <fstream> +#include <string> +#include <sstream> +#include <map> + +#include <boost/assign.hpp> +#include <boost/algorithm/string.hpp> +#include <boost/thread.hpp> +#include <boost/thread/thread.hpp> +#include <boost/thread/mutex.hpp> + +#include <gnuradio/io_signature.h> +#include <gnuradio/blocks/deinterleave.h> +#include <gnuradio/blocks/float_to_complex.h> + +#include "xtrx_sink_c.h" + +#include "arg_helpers.h" + +static const int max_burstsz = 4096; +using namespace boost::assign; + +xtrx_sink_c_sptr make_xtrx_sink_c(const std::string &args) +{ + return gnuradio::get_initial_sptr(new xtrx_sink_c(args)); +} + +static size_t parse_nchan(const std::string &args) +{ + size_t nchan = 1; + + dict_t dict = params_to_dict(args); + + if (dict.count("nchan")) + nchan = boost::lexical_cast< size_t >( dict["nchan"] ); + + if (nchan < 1) + nchan = 1; + + return nchan; +} + +xtrx_sink_c::xtrx_sink_c(const std::string &args) : + gr::sync_block("xtrx_sink_c", + gr::io_signature::make(parse_nchan(args), + parse_nchan(args), + sizeof(gr_complex)), + gr::io_signature::make(0, 0, 0)), + _sample_flags(0), + _rate(0), + _master(0), + _freq(0), + _corr(0), + _bandwidth(0), + _dsp(0), + _auto_gain(false), + _otw(XTRX_WF_16), + _mimo_mode(false), + _gain_tx(0), + _channels(parse_nchan(args)), + _ts(8192), + _swap_ab(false), + _swap_iq(false), + _tdd(false), + _allow_dis(false), + _dev("") +{ + + dict_t dict = params_to_dict(args); + + if (dict.count("master")) { + _master = boost::lexical_cast< double >( dict["master"]); + } + + std::cerr << args.c_str() << std::endl; + + int loglevel = 4; + if (dict.count("loglevel")) { + loglevel = boost::lexical_cast< int >( dict["loglevel"] ); + } + + bool lmsreset = 0; + if (dict.count("lmsreset")) { + lmsreset = boost::lexical_cast< bool >( dict["lmsreset"] ); + } + + if (dict.count("txdelay")) { + _ts += 8192 * boost::lexical_cast< int >( dict["txdelay"] ); + } + + if (dict.count("allowdis")) { + _allow_dis = boost::lexical_cast< bool >( dict["allowdis"] ); + } + + if (dict.count("swap_ab")) { + _swap_ab = true; + std::cerr << "xtrx_sink_c: swap AB channels"; + } + + if (dict.count("swap_iq")) { + _swap_iq = true; + std::cerr << "xtrx_sink_c: swap IQ"; + } + + if (dict.count("sfl")) { + _sample_flags = boost::lexical_cast< unsigned >( dict["sfl"] ); + } + + if (dict.count("tdd")) { + _tdd = true; + std::cerr << "xtrx_sink_c: TDD mode"; + } + + if (dict.count("dsp")) { + _dsp = boost::lexical_cast< double >( dict["dsp"] ); + std::cerr << "xtrx_sink_c: DSP:" << _dsp; + } + + if (dict.count("dev")) { + _dev = dict["dev"]; + std::cerr << "xtrx_sink_c: XTRX device: %s" << _dev.c_str(); + } + + _xtrx = xtrx_obj::get(_dev.c_str(), loglevel, lmsreset); + if (_xtrx->dev_count() * 2 == _channels) { + _mimo_mode = true; + } else if (_xtrx->dev_count() != _channels) { + throw std::runtime_error("Number of requested channels != number of devices"); + } + if (dict.count("refclk")) { + xtrx_set_ref_clk(_xtrx->dev(), boost::lexical_cast< unsigned >( dict["refclk"] ), XTRX_CLKSRC_INT); + } + if (dict.count("extclk")) { + xtrx_set_ref_clk(_xtrx->dev(), boost::lexical_cast< unsigned >( dict["extclk"] ), XTRX_CLKSRC_EXT); + } + + std::cerr << "xtrx_sink_c::xtrx_sink_c()" << std::endl; + set_alignment(32); + set_output_multiple(max_burstsz); +} + +xtrx_sink_c::~xtrx_sink_c() +{ + std::cerr << "xtrx_sink_c::~xtrx_sink_c()" << std::endl; +} + +std::string xtrx_sink_c::name() +{ + return "GrLibXTRX"; +} + +size_t xtrx_sink_c::get_num_channels( void ) +{ + return input_signature()->max_streams(); +} + +osmosdr::meta_range_t xtrx_sink_c::get_sample_rates( void ) +{ + osmosdr::meta_range_t range; + range += osmosdr::range_t( 1000000, 160000000, 1 ); + return range; +} + +double xtrx_sink_c::set_sample_rate( double rate ) +{ + std::cerr << "Set sample rate " << rate << std::endl; + _rate = _xtrx->set_smaplerate(rate, _master, true, _sample_flags); + return get_sample_rate(); +} + +double xtrx_sink_c::get_sample_rate( void ) +{ + return _rate; +} + +osmosdr::freq_range_t xtrx_sink_c::get_freq_range( size_t chan ) +{ + osmosdr::freq_range_t range; + range += osmosdr::range_t( double(0.03e9), double(3.8e9), 1); // as far as we know + return range; +} + +double xtrx_sink_c::set_center_freq( double freq, size_t chan ) +{ + boost::mutex::scoped_lock lock(_xtrx->mtx); + + _freq = freq; + double corr_freq = (freq)*(1.0 + (_corr) * 0.000001); + + std::cerr << "TX Set freq " << freq << std::endl; + xtrx_channel_t xchan = (xtrx_channel_t)(XTRX_CH_A << chan); + + int res = xtrx_tune_ex(_xtrx->dev(), (_tdd) ? XTRX_TUNE_TX_AND_RX_TDD : XTRX_TUNE_TX_FDD, xchan, corr_freq - _dsp, &_freq); + if (res) { + std::cerr << "Unable to deliver frequency " << corr_freq << std::endl; + } + + res = xtrx_tune_ex(_xtrx->dev(), XTRX_TUNE_BB_TX, xchan, _dsp, NULL); + return get_center_freq(chan); +} + +double xtrx_sink_c::get_center_freq( size_t chan ) +{ + return _freq + _dsp; +} + +double xtrx_sink_c::set_freq_corr( double ppm, size_t chan ) +{ + _corr = ppm; + + set_center_freq(_freq, chan); + + return get_freq_corr( chan ); +} + +double xtrx_sink_c::get_freq_corr( size_t chan ) +{ + return _corr; +} + + +static const std::vector<std::string> s_lna_list = boost::assign::list_of("TX"); + +std::vector<std::string> xtrx_sink_c::get_gain_names( size_t chan ) +{ + return s_lna_list; +} + +osmosdr::gain_range_t xtrx_sink_c::get_gain_range( size_t chan ) +{ + return get_gain_range("TX", chan); +} + +osmosdr::gain_range_t xtrx_sink_c::get_gain_range( const std::string & name, size_t chan ) +{ + osmosdr::gain_range_t range; + range += osmosdr::range_t( -31, 0, 1 ); + return range; +} + +bool xtrx_sink_c::set_gain_mode( bool automatic, size_t chan ) +{ + _auto_gain = automatic; + return get_gain_mode(chan); +} + +bool xtrx_sink_c::get_gain_mode( size_t chan ) +{ + return _auto_gain; +} + +double xtrx_sink_c::set_gain( double gain, size_t chan ) +{ + return set_gain(gain, "TX", chan); +} + +double xtrx_sink_c::set_gain( double igain, const std::string & name, size_t chan ) +{ + boost::mutex::scoped_lock lock(_xtrx->mtx); + + osmosdr::gain_range_t gains = xtrx_sink_c::get_gain_range( name, chan ); + double gain = gains.clip(igain); + double actual_gain; + + std::cerr << "Set TX gain: " << igain << std::endl; + + int res = xtrx_set_gain(_xtrx->dev(), (xtrx_channel_t)(XTRX_CH_A << chan), + XTRX_TX_PAD_GAIN, gain, &actual_gain); + if (res) { + std::cerr << "Unable to set gain `" << name.c_str() << "`; err=" << res << std::endl; + } + + _gain_tx = actual_gain; + return actual_gain; +} + +double xtrx_sink_c::get_gain( size_t chan ) +{ + return get_gain("TX"); +} + +double xtrx_sink_c::get_gain( const std::string & name, size_t chan ) +{ + return _gain_tx; +} + +double xtrx_sink_c::set_bandwidth( double bandwidth, size_t chan ) +{ + boost::mutex::scoped_lock lock(_xtrx->mtx); + std::cerr << "Set bandwidth " << bandwidth << " chan " << chan << std::endl; + + if (bandwidth <= 0.0) { + bandwidth = get_sample_rate() * 0.75; + if (bandwidth < 0.5e6) { + bandwidth = 0.5e6; + } + } + + int res = xtrx_tune_tx_bandwidth(_xtrx->dev(), + (xtrx_channel_t)(XTRX_CH_A << chan), + bandwidth, &_bandwidth); + if (res) { + std::cerr << "Can't set bandwidth: " << res << std::endl; + } + return get_bandwidth(chan); +} + +double xtrx_sink_c::get_bandwidth( size_t chan ) +{ + return _bandwidth; +} + + +static const std::map<std::string, xtrx_antenna_t> s_ant_map = boost::assign::map_list_of + ("AUTO", XTRX_TX_AUTO) + ("B1", XTRX_TX_H) + ("B2", XTRX_TX_W) + ("TXH", XTRX_TX_H) + ("TXW", XTRX_TX_W) + ; +static const std::map<xtrx_antenna_t, std::string> s_ant_map_r = boost::assign::map_list_of + (XTRX_TX_H, "TXH") + (XTRX_TX_W, "TXW") + (XTRX_TX_AUTO, "AUTO") + ; + +static xtrx_antenna_t get_ant_type(const std::string& name) +{ + std::map<std::string, xtrx_antenna_t>::const_iterator it; + + it = s_ant_map.find(name); + if (it != s_ant_map.end()) { + return it->second; + } + + return XTRX_TX_AUTO; +} + +static const std::vector<std::string> s_ant_list = boost::assign::list_of + ("AUTO")("TXH")("TXW") + ; + + +std::vector< std::string > xtrx_sink_c::get_antennas( size_t chan ) +{ + return s_ant_list; +} + +std::string xtrx_sink_c::set_antenna( const std::string & antenna, size_t chan ) +{ + boost::mutex::scoped_lock lock(_xtrx->mtx); + _ant = get_ant_type(antenna); + + std::cerr << "Set antenna " << antenna << std::endl; + + int res = xtrx_set_antenna_ex(_xtrx->dev(), + (xtrx_channel_t)(XTRX_CH_A << chan), + _ant); + if (res) { + std::cerr << "Can't set antenna: " << antenna << std::endl; + } + return get_antenna( chan ); +} + +std::string xtrx_sink_c::get_antenna( size_t chan ) +{ + return s_ant_map_r.find(_ant)->second; +} + +void xtrx_sink_c::tag_process(int ninput_items) +{ + std::sort(_tags.begin(), _tags.end(), gr::tag_t::offset_compare); + + const uint64_t samp0_count = this->nitems_read(0); + uint64_t max_count = samp0_count + ninput_items; + + bool found_time_tag = false; + for (const gr::tag_t &my_tag : _tags) { + const uint64_t my_tag_count = my_tag.offset; + const pmt::pmt_t &key = my_tag.key; + const pmt::pmt_t &value = my_tag.value; + + if (my_tag_count >= max_count) { + break; + } else if(pmt::equal(key, TIME_KEY)) { + //if (my_tag_count != samp0_count) { + // max_count = my_tag_count; + // break; + //} + found_time_tag = true; + //_metadata.has_time_spec = true; + //_metadata.time_spec = ::uhd::time_spec_t + // (pmt::to_uint64(pmt::tuple_ref(value, 0)), + // pmt::to_double(pmt::tuple_ref(value, 1))); + uint64_t seconds = pmt::to_uint64(pmt::tuple_ref(value, 0)); + double fractional = pmt::to_double(pmt::tuple_ref(value, 1)); + + std::cerr << "TX_TIME: " << seconds << ":" << fractional << std::endl; + } + } // end for + + if (found_time_tag) { + //_metadata.has_time_spec = true; + } +} + +int xtrx_sink_c::work (int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) +{ + int ninput_items = noutput_items; + const uint64_t samp0_count = nitems_read(0); + get_tags_in_range(_tags, 0, samp0_count, samp0_count + ninput_items); + if (!_tags.empty()) + tag_process(ninput_items); + + xtrx_send_ex_info_t nfo; + nfo.samples = noutput_items; + nfo.buffer_count = input_items.size(); + nfo.buffers = &input_items[0]; + nfo.flags = XTRX_TX_DONT_BUFFER; + if (!_allow_dis) + nfo.flags |= XTRX_TX_NO_DISCARD; + nfo.ts = _ts; + nfo.timeout = 0; + + int res = xtrx_send_sync_ex(_xtrx->dev(), &nfo); + if (res) { + std::cerr << "Err: " << res << std::endl; + + std::stringstream message; + message << "xtrx_send_burst_sync error: " << -res; + throw std::runtime_error( message.str() ); + } + + _ts += noutput_items; + for (unsigned i = 0; i < input_items.size(); i++) { + consume(i, noutput_items); + } + return 0; +} + +bool xtrx_sink_c::start() +{ + boost::mutex::scoped_lock lock(_xtrx->mtx); + + xtrx_run_params_t params; + xtrx_run_params_init(¶ms); + + params.dir = XTRX_TX; + if (!_mimo_mode) + params.tx.flags |= XTRX_RSP_SISO_MODE; + + if (_swap_ab) + params.tx.flags |= XTRX_RSP_SWAP_AB; + + if (_swap_iq) + params.tx.flags |= XTRX_RSP_SWAP_IQ; + + params.tx.hfmt = XTRX_IQ_FLOAT32; + params.tx.wfmt = _otw; + params.tx.chs = XTRX_CH_AB; + params.tx.paketsize = 0; + params.rx_stream_start = 256*1024; + + int res = xtrx_run_ex(_xtrx->dev(), ¶ms); + if (res) { + std::cerr << "Got error: " << res << std::endl; + } + + return res == 0; +} + +bool xtrx_sink_c::stop() +{ + boost::mutex::scoped_lock lock(_xtrx->mtx); + + //TODO: + std::cerr << "xtrx_sink_c::stop()" << std::endl; + int res = xtrx_stop(_xtrx->dev(), XTRX_TX); + if (res) { + std::cerr << "Got error: " << res << std::endl; + } + + return res == 0; +} |