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-rw-r--r--host/examples/rx_samples_to_file.cpp207
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