diff options
Diffstat (limited to 'host')
| -rw-r--r-- | host/examples/rx_samples_to_file.cpp | 207 | 
1 files changed, 164 insertions, 43 deletions
diff --git a/host/examples/rx_samples_to_file.cpp b/host/examples/rx_samples_to_file.cpp index 1e833defa..b0e498125 100644 --- a/host/examples/rx_samples_to_file.cpp +++ b/host/examples/rx_samples_to_file.cpp @@ -38,16 +38,24 @@ template<typename samp_type> void recv_to_file(      const std::string &wire_format,      const std::string &file,      size_t samps_per_buff, -    int num_requested_samples +    unsigned long long num_requested_samples, +    double time_requested = 0.0, +    bool bw_summary = false, +    bool stats = false, +    bool null = false, +    bool enable_size_map = false, +    bool continue_on_bad_packet = false  ){ -    int num_total_samps = 0; +    unsigned long long num_total_samps = 0;      //create a receive streamer      uhd::stream_args_t stream_args(cpu_format,wire_format);      uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args);      uhd::rx_metadata_t md;      std::vector<samp_type> buff(samps_per_buff); -    std::ofstream outfile(file.c_str(), std::ofstream::binary); +    std::ofstream outfile; +    if (not null) +		outfile.open(file.c_str(), std::ofstream::binary);      bool overflow_message = true;      //setup streaming @@ -59,9 +67,20 @@ template<typename samp_type> void recv_to_file(      stream_cmd.stream_now = true;      stream_cmd.time_spec = uhd::time_spec_t();      rx_stream->issue_stream_cmd(stream_cmd); +     +    boost::system_time start = boost::get_system_time(); +    unsigned long long ticks_requested = (long)(time_requested * (double)boost::posix_time::time_duration::ticks_per_second()); +    boost::posix_time::time_duration ticks_diff; +    boost::system_time last_update = start; +    unsigned long long last_update_samps = 0; +     +    typedef std::map<size_t,size_t> SizeMap; +    SizeMap mapSizes;      while(not stop_signal_called and (num_requested_samples != num_total_samps or num_requested_samples == 0)){ -        size_t num_rx_samps = rx_stream->recv(&buff.front(), buff.size(), md, 3.0); +		boost::system_time now = boost::get_system_time(); +		 +        size_t num_rx_samps = rx_stream->recv(&buff.front(), buff.size(), md, 3.0, enable_size_map);          if (md.error_code == uhd::rx_metadata_t::ERROR_CODE_TIMEOUT) {              std::cout << boost::format("Timeout while streaming") << std::endl; @@ -81,17 +100,113 @@ template<typename samp_type> void recv_to_file(              continue;          }          if (md.error_code != uhd::rx_metadata_t::ERROR_CODE_NONE){ -            throw std::runtime_error(str(boost::format( +			std::string error = str(boost::format(                  "Unexpected error code 0x%x" -            ) % md.error_code)); +            ) % md.error_code); +             +			if (continue_on_bad_packet){ +				std::cerr << error << std::endl; +				continue; +			} +			else +				throw std::runtime_error(error);          } +         +        if (enable_size_map){ +			SizeMap::iterator it = mapSizes.find(num_rx_samps); +			if (it == mapSizes.end()) +				mapSizes[num_rx_samps] = 0; +			mapSizes[num_rx_samps] += 1; +		}          num_total_samps += num_rx_samps; -        outfile.write((const char*)&buff.front(), num_rx_samps*sizeof(samp_type)); +		if (outfile.is_open()) +			outfile.write((const char*)&buff.front(), num_rx_samps*sizeof(samp_type)); + +		if (bw_summary){ +			last_update_samps += num_rx_samps; +			boost::posix_time::time_duration update_diff = now - last_update; +			if (update_diff.ticks() > boost::posix_time::time_duration::ticks_per_second()) { +				double t = (double)update_diff.ticks() / (double)boost::posix_time::time_duration::ticks_per_second(); +				double r = (double)last_update_samps / t; +				std::cout << boost::format("\t%f Msps") % (r/1e6) << std::endl; +				last_update_samps = 0; +				last_update = now; +			} +		} +         +        ticks_diff = now - start; +		if (ticks_requested > 0){ +			if ((unsigned long long)ticks_diff.ticks() > ticks_requested) +				break; +		}      } +     +    if (outfile.is_open()) +		outfile.close(); +     +    if (stats){ +		std::cout << std::endl; -    outfile.close(); +		double t = (double)ticks_diff.ticks() / (double)boost::posix_time::time_duration::ticks_per_second(); +		std::cout << boost::format("Received %d samples in %f seconds") % num_total_samps % t << std::endl; +		double r = (double)num_total_samps / t; +		std::cout << boost::format("%f Msps") % (r/1e6) << std::endl; +		 +		if (enable_size_map) { +			std::cout << std::endl; +			std::cout << "Packet size map (bytes: count)" << std::endl; +			for (SizeMap::iterator it = mapSizes.begin(); it != mapSizes.end(); it++) +				std::cout << it->first << ":\t" << it->second << std::endl; +		} +	} +} + +typedef boost::function<uhd::sensor_value_t (const std::string&)> get_sensor_fn_t; + +bool check_locked_sensor(std::vector<std::string> sensor_names, const char* sensor_name, get_sensor_fn_t get_sensor_fn, double setup_time){ +	if (std::find(sensor_names.begin(), sensor_names.end(), sensor_name) == sensor_names.end()) +		return false; +	 +	boost::system_time start = boost::get_system_time(); +	boost::system_time first_lock_time; +	 +	std::cout << boost::format("Waiting for \"%s\": ") % sensor_name; +	std::cout.flush(); +	 +	while (true){ +		if ((not first_lock_time.is_not_a_date_time()) and +			(boost::get_system_time() > (first_lock_time + boost::posix_time::seconds(setup_time)))) +		{ +			std::cout << " locked." << std::endl; +			break; +		} +		 +		if (get_sensor_fn(sensor_name).to_bool()){ +			if (first_lock_time.is_not_a_date_time()) +				first_lock_time = boost::get_system_time(); +			std::cout << "+"; +			std::cout.flush(); +		} +		else{ +			first_lock_time = boost::system_time();	//reset to 'not a date time' +			 +			if (boost::get_system_time() > (start + boost::posix_time::seconds(setup_time))){ +				std::cout << std::endl; +				throw std::runtime_error(str(boost::format("timed out waiting for consecutive locks on sensor \"%s\"") % sensor_name)); +			} +			 +			std::cout << "_"; +			std::cout.flush(); +		} +		 +		boost::this_thread::sleep(boost::posix_time::milliseconds(100)); +	} +	 +	std::cout << std::endl; +	 +	return true;  }  int UHD_SAFE_MAIN(int argc, char *argv[]){ @@ -100,7 +215,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){      //variables to be set by po      std::string args, file, type, ant, subdev, ref, wirefmt;      size_t total_num_samps, spb; -    double rate, freq, gain, bw; +    double rate, freq, gain, bw, total_time, setup_time;      //setup the program options      po::options_description desc("Allowed options"); @@ -110,15 +225,23 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){          ("file", po::value<std::string>(&file)->default_value("usrp_samples.dat"), "name of the file to write binary samples to")          ("type", po::value<std::string>(&type)->default_value("short"), "sample type: double, float, or short")          ("nsamps", po::value<size_t>(&total_num_samps)->default_value(0), "total number of samples to receive") +        ("time", po::value<double>(&total_time)->default_value(0), "total number of seconds to receive")          ("spb", po::value<size_t>(&spb)->default_value(10000), "samples per buffer") -        ("rate", po::value<double>(&rate), "rate of incoming samples") -        ("freq", po::value<double>(&freq), "RF center frequency in Hz") +        ("rate", po::value<double>(&rate)->default_value(1e6), "rate of incoming samples") +        ("freq", po::value<double>(&freq)->default_value(0.0), "RF center frequency in Hz")          ("gain", po::value<double>(&gain), "gain for the RF chain")          ("ant", po::value<std::string>(&ant), "daughterboard antenna selection")          ("subdev", po::value<std::string>(&subdev), "daughterboard subdevice specification")          ("bw", po::value<double>(&bw), "daughterboard IF filter bandwidth in Hz")          ("ref", po::value<std::string>(&ref)->default_value("internal"), "waveform type (internal, external, mimo)")          ("wirefmt", po::value<std::string>(&wirefmt)->default_value("sc16"), "wire format (sc8 or sc16)") +        ("setup", po::value<double>(&setup_time)->default_value(1.0), "seconds of setup time") +        ("progress", "show average bandwidth on exit") +        ("stats", "periodically display short-term bandwidth") +        ("sizemap", "track packet size and display breakdown on exit") +        ("null", "run without writing to file") +        ("continue", "don't abort on a bad packet") +        ("skip-lo", "skip checking LO lock status")      ;      po::variables_map vm;      po::store(po::parse_command_line(argc, argv, desc), vm); @@ -129,6 +252,15 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){          std::cout << boost::format("UHD RX samples to file %s") % desc << std::endl;          return ~0;      } +     +    bool bw_summary = vm.count("progress") > 0; +    bool stats = vm.count("stats") > 0; +    bool null = vm.count("null") > 0; +    bool enable_size_map = vm.count("sizemap") > 0; +    bool continue_on_bad_packet = vm.count("continue") > 0; +     +    if (enable_size_map) +		std::cout << "Packet size tracking enabled - will only recv one packet at a time!" << std::endl;      //create a usrp device      std::cout << std::endl; @@ -144,8 +276,8 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){      std::cout << boost::format("Using Device: %s") % usrp->get_pp_string() << std::endl;      //set the sample rate -    if (not vm.count("rate")){ -        std::cerr << "Please specify the sample rate with --rate" << std::endl; +    if (rate <= 0.0){ +        std::cerr << "Please specify a valid sample rate" << std::endl;          return ~0;      }      std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl; @@ -153,13 +285,11 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){      std::cout << boost::format("Actual RX Rate: %f Msps...") % (usrp->get_rx_rate()/1e6) << std::endl << std::endl;      //set the center frequency -    if (not vm.count("freq")){ -        std::cerr << "Please specify the center frequency with --freq" << std::endl; -        return ~0; -    } -    std::cout << boost::format("Setting RX Freq: %f MHz...") % (freq/1e6) << std::endl; -    usrp->set_rx_freq(freq); -    std::cout << boost::format("Actual RX Freq: %f MHz...") % (usrp->get_rx_freq()/1e6) << std::endl << std::endl; +    if (vm.count("freq")){	//with default of 0.0 this will always be true +		std::cout << boost::format("Setting RX Freq: %f MHz...") % (freq/1e6) << std::endl; +		usrp->set_rx_freq(freq); +		std::cout << boost::format("Actual RX Freq: %f MHz...") % (usrp->get_rx_freq()/1e6) << std::endl << std::endl; +	}      //set the rf gain      if (vm.count("gain")){ @@ -178,37 +308,28 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){      //set the antenna      if (vm.count("ant")) usrp->set_rx_antenna(ant); -    boost::this_thread::sleep(boost::posix_time::seconds(1)); //allow for some setup time +    boost::this_thread::sleep(boost::posix_time::seconds(setup_time)); //allow for some setup time -    //Check Ref and LO Lock detect -    std::vector<std::string> sensor_names; -    sensor_names = usrp->get_rx_sensor_names(0); -    if (std::find(sensor_names.begin(), sensor_names.end(), "lo_locked") != sensor_names.end()) { -        uhd::sensor_value_t lo_locked = usrp->get_rx_sensor("lo_locked",0); -        std::cout << boost::format("Checking RX: %s ...") % lo_locked.to_pp_string() << std::endl; -        UHD_ASSERT_THROW(lo_locked.to_bool()); -    } -    sensor_names = usrp->get_mboard_sensor_names(0); -    if ((ref == "mimo") and (std::find(sensor_names.begin(), sensor_names.end(), "mimo_locked") != sensor_names.end())) { -        uhd::sensor_value_t mimo_locked = usrp->get_mboard_sensor("mimo_locked",0); -        std::cout << boost::format("Checking RX: %s ...") % mimo_locked.to_pp_string() << std::endl; -        UHD_ASSERT_THROW(mimo_locked.to_bool()); -    } -    if ((ref == "external") and (std::find(sensor_names.begin(), sensor_names.end(), "ref_locked") != sensor_names.end())) { -        uhd::sensor_value_t ref_locked = usrp->get_mboard_sensor("ref_locked",0); -        std::cout << boost::format("Checking RX: %s ...") % ref_locked.to_pp_string() << std::endl; -        UHD_ASSERT_THROW(ref_locked.to_bool()); -    } +    //check Ref and LO Lock detect +    if (not vm.count("skip-lo")){ +		check_locked_sensor(usrp->get_rx_sensor_names(0), "lo_locked", boost::bind(&uhd::usrp::multi_usrp::get_rx_sensor, usrp, _1, 0), setup_time); +		if (ref == "mimo") +			check_locked_sensor(usrp->get_mboard_sensor_names(0), "mimo_locked", boost::bind(&uhd::usrp::multi_usrp::get_mboard_sensor, usrp, _1, 0), setup_time); +		if (ref == "external") +			check_locked_sensor(usrp->get_mboard_sensor_names(0), "ref_locked", boost::bind(&uhd::usrp::multi_usrp::get_mboard_sensor, usrp, _1, 0), setup_time); +	}      if (total_num_samps == 0){          std::signal(SIGINT, &sig_int_handler);          std::cout << "Press Ctrl + C to stop streaming..." << std::endl;      } +#define recv_to_file_args(format) \ +	(usrp, format, wirefmt, file, spb, total_num_samps, total_time, bw_summary, stats, null, enable_size_map, continue_on_bad_packet)      //recv to file -    if (type == "double") recv_to_file<std::complex<double> >(usrp, "fc64", wirefmt, file, spb, total_num_samps); -    else if (type == "float") recv_to_file<std::complex<float> >(usrp, "fc32", wirefmt, file, spb, total_num_samps); -    else if (type == "short") recv_to_file<std::complex<short> >(usrp, "sc16", wirefmt, file, spb, total_num_samps); +    if (type == "double") recv_to_file<std::complex<double> >recv_to_file_args("fc64"); +    else if (type == "float") recv_to_file<std::complex<float> >recv_to_file_args("fc32"); +    else if (type == "short") recv_to_file<std::complex<short> >recv_to_file_args("sc16");      else throw std::runtime_error("Unknown type " + type);      //finished  | 
