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-rw-r--r--host/examples/CMakeLists.txt1
-rw-r--r--host/examples/transport_hammer.cpp348
2 files changed, 349 insertions, 0 deletions
diff --git a/host/examples/CMakeLists.txt b/host/examples/CMakeLists.txt
index 3c9a3880a..b41d53d11 100644
--- a/host/examples/CMakeLists.txt
+++ b/host/examples/CMakeLists.txt
@@ -27,6 +27,7 @@ SET(example_sources
rx_timed_samples.cpp
test_messages.cpp
test_pps_input.cpp
+ transport_hammer.cpp
tx_bursts.cpp
tx_samples_from_file.cpp
tx_timed_samples.cpp
diff --git a/host/examples/transport_hammer.cpp b/host/examples/transport_hammer.cpp
new file mode 100644
index 000000000..29926b615
--- /dev/null
+++ b/host/examples/transport_hammer.cpp
@@ -0,0 +1,348 @@
+//
+// Copyright 2012 Ettus Research LLC
+//
+// This program 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 of the License, or
+// (at your option) any later version.
+//
+// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#include <uhd/utils/thread_priority.hpp>
+#include <uhd/utils/safe_main.hpp>
+#include <uhd/usrp/multi_usrp.hpp>
+#include <boost/program_options.hpp>
+#include <boost/thread/thread.hpp>
+#include <boost/format.hpp>
+#include <iostream>
+#include <complex>
+#include <time.h>
+
+namespace po = boost::program_options;
+
+int UHD_SAFE_MAIN(int argc, char *argv[]){
+ uhd::set_thread_priority_safe();
+
+ //variables to be set by po
+ std::string args;
+ double delay;
+ size_t total_num_samps;
+ double rate;
+ int step;
+ int rand_begin;
+ int rand_end;
+ size_t samp_begin;
+ size_t samp_end;
+ float ampl;
+
+ //setup the program options
+ po::options_description desc("Allowed options");
+ desc.add_options()
+ ("help", "help message")
+ ("args", po::value<std::string>(&args)->default_value(""), "single uhd device address args")
+ ("delay", po::value<double>(&delay)->default_value(0.0), "delay between sample jumps")
+ ("step", po::value<int>(&step)->default_value(1), "delta between number of samples collected/sent")
+ ("samp_begin", po::value<size_t>(&samp_begin)->default_value(1), "Beginning number of samples")
+ ("samp_end", po::value<size_t>(&samp_end)->default_value(32768), "End number of samples")
+ ("rate", po::value<double>(&rate)->default_value(3.125e6), "rate of incoming samples")
+ ("tx", "specify to use TX samples instead of RX samples")
+ ("rx", "specify to use RX samples (already default")
+ ("rand_vals", "specify to continuously use random numbers of samples")
+ ("rand_begin", po::value<int>(&rand_begin)->default_value(0), "specify minimum value outputted by random number generator")
+ ("rand_end", po::value<int>(&rand_end)->default_value(2000), "specify maximum value outputting by random number generator")
+ ("ampl", po::value<float>(&ampl)->default_value(float(0.3)), "amplitude of each sample")
+ ("verbose", "Enables verbosity")
+ ;
+ po::variables_map vm;
+ po::store(po::parse_command_line(argc, argv, desc), vm);
+ po::notify(vm);
+
+ //print the help message
+ if (vm.count("help")){
+ std::cout << boost::format("UHD Transport Hammer - %s") % desc << std::endl;
+ return ~0;
+ }
+
+ bool use_tx = vm.count("tx") > 0;
+ bool rand_vals = vm.count("rand_vals") > 0;
+ bool verbose = vm.count("verbose") > 0;
+
+ if (use_tx)
+ {
+ //create a usrp device
+ std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl;
+ uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(args);
+ std::cout << boost::format("Using Device: %s") % usrp->get_pp_string() << std::endl;
+
+ //set the tx sample rate
+ std::cout << boost::format("Setting TX Rate: %f Msps...") % (rate/1e6) << std::endl;
+ usrp->set_tx_rate(rate);
+ std::cout << boost::format("Actual TX Rate: %f Msps...") % (usrp->get_tx_rate()/1e6) << std::endl << std::endl;
+ usrp->set_time_now(uhd::time_spec_t(0.0));
+
+ //create a transmit streamer
+ uhd::stream_args_t stream_args("fc32"); //complex floats
+ uhd::tx_streamer::sptr tx_stream = usrp->get_tx_stream(stream_args);
+
+ //allocate buffer with data to send
+ std::vector<std::complex<float> > buff(tx_stream->get_max_num_samps(), std::complex<float>(ampl, ampl));
+
+ //setup metadata for the first packet
+ uhd::tx_metadata_t md;
+ md.start_of_burst = false;
+ md.end_of_burst = false;
+ md.has_time_spec = false;
+ //md.time_spec = uhd::time_spec_t(seconds_in_future);
+
+
+ if(rand_vals){
+
+ srand(time(NULL));
+
+ while(true){
+ size_t total_num_samps = (rand() % (rand_end - rand_begin)) + rand_begin;
+ size_t num_acc_samps = 0;
+ float timeout = 0;
+
+ std::cout << "----------------------------------------" << std::endl;
+ std::cout << boost::format("About to send %u samples.") % total_num_samps << std::endl << std::endl;
+
+ usrp->set_time_now(uhd::time_spec_t(0.0));
+
+ while(num_acc_samps < total_num_samps){
+ size_t samps_to_send = std::min(total_num_samps - num_acc_samps, buff.size());
+ if(verbose) std::cout << boost::format("Sent %u samples.") % samps_to_send << std::endl;
+
+
+ //send a single packet
+ size_t num_tx_samps = tx_stream->send(&buff.front(), samps_to_send, md, timeout);
+
+ if(num_tx_samps < samps_to_send) std::cerr << "Send timeout..." << std::endl;
+ //if(verbose) std::cout << boost::format("Sent packet: %u samples") % num_tx_samps << std::endl;
+
+ num_acc_samps += num_tx_samps;
+ }
+
+ md.end_of_burst = true;
+ tx_stream->send("", 0, md);
+
+ if(verbose) std::cout << std::endl;
+ std::cout << "Waiting for async burst ACK... " << std::endl << std::flush;
+ uhd::async_metadata_t async_md;
+ bool got_async_burst_ack = false;
+ //loop through all messages for the ACK packet (may have underflow messages in queue)
+ while (not got_async_burst_ack and usrp->get_device()->recv_async_msg(async_md, timeout)){
+ got_async_burst_ack = (async_md.event_code == uhd::async_metadata_t::EVENT_CODE_BURST_ACK);
+ }
+ std::cout << (got_async_burst_ack? "Success!" : "Failure...") << std::endl << std::endl;
+
+ std::cout << boost::format("Successfully sent %u samples.") % total_num_samps << std::endl << "----------------------------------------" << std::endl << std::endl;
+
+ sleep(delay);
+
+ }
+ }
+ else{
+
+ float timeout = 0;
+
+ if(verbose){
+ std::cout << "About to start sending samples." << std::endl;
+ std::cout << boost::format("Samples will start at %u and end with %u with steps of %u.") % samp_begin % samp_end % step << std::endl;
+
+ sleep(2);
+ }
+
+ for(int i = int(samp_begin); i <= int(samp_end); i += step){
+
+ std::cout << "----------------------------------------" << std::endl;
+
+ usrp->set_time_now(uhd::time_spec_t(0.0));
+
+ std::cout << boost::format("About to send %u samples.") % i << std::endl;
+ if(verbose) std::cout << std::endl;
+
+ size_t num_acc_samps = 0; //number of accumulated samples
+ total_num_samps = i;
+
+ while(num_acc_samps < total_num_samps){
+ size_t samps_to_send = std::min(total_num_samps - num_acc_samps, buff.size());
+
+ if(verbose) std::cout << boost::format("Sent %u samples.") % samps_to_send << std::endl;
+
+ //send a single packet
+ size_t num_tx_samps = tx_stream->send(
+ &buff.front(), samps_to_send, md, timeout
+ );
+
+ if (num_tx_samps < samps_to_send) std::cerr << "Send timeout..." << std::endl;
+
+ num_acc_samps += num_tx_samps;
+ }
+
+ //send a mini EOB packet
+ md.end_of_burst = true;
+ tx_stream->send("", 0, md);
+
+ std::cout << std::endl << "Waiting for async burst ACK... " << std::endl << std::flush;
+ uhd::async_metadata_t async_md;
+ bool got_async_burst_ack = false;
+ //loop through all messages for the ACK packet (may have underflow messages in queue)
+ while (not got_async_burst_ack and usrp->get_device()->recv_async_msg(async_md, timeout)){
+ got_async_burst_ack = (async_md.event_code == uhd::async_metadata_t::EVENT_CODE_BURST_ACK);
+ }
+ std::cout << (got_async_burst_ack? "Success!" : "Failure...") << std::endl << std::endl;
+
+ std::cout << boost::format("Successfully sent %u samples.") % i << std::endl << "----------------------------------------" << std::endl << std::endl;
+
+ sleep(delay);
+ }
+
+ //finished
+ std::cout << "Done!" << std::endl << std::endl;
+ }
+
+ return 0;
+ }
+ else
+ {
+ //create a usrp device
+ std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl;
+ uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(args);
+ std::cout << boost::format("Using Device: %s") % usrp->get_pp_string() << std::endl;
+
+ //set the rx sample rate
+ std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl;
+ usrp->set_rx_rate(rate);
+ std::cout << boost::format("Actual RX Rate: %f Msps...") % (usrp->get_rx_rate()/1e6) << std::endl << std::endl;
+
+
+
+ if(rand_vals){
+ //random here
+
+ srand(time(NULL));
+
+ while(true){
+ total_num_samps = (rand() % (rand_end - rand_begin)) + rand_begin;
+
+ usrp->set_time_now(uhd::time_spec_t(0.0));
+
+ //create a receive streamer
+ uhd::stream_args_t stream_args("fc32"); //complex floats
+ uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args);
+
+ std::cout << std::endl << "----------------------------------------" << std::endl;
+ std::cout << boost::format("About to receive %u samples.") % total_num_samps << std::endl << std::endl;
+
+ uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE);
+ stream_cmd.num_samps = total_num_samps;
+ stream_cmd.stream_now = true;
+ usrp->issue_stream_cmd(stream_cmd);
+
+ //meta-data will be filled in by recv()
+ uhd::rx_metadata_t md;
+
+ //allocate buffer to receive with samples
+ std::vector<std::complex<float> > buff(rx_stream->get_max_num_samps());
+ double timeout = 0;
+
+ size_t num_acc_samps = 0; //number of accumulated samples
+ while(num_acc_samps < total_num_samps){
+ //receive a single packet
+ size_t num_rx_samps = rx_stream->recv(
+ &buff.front(), buff.size(), md, timeout, true
+ );
+
+ //handle the error code
+ if (md.error_code == uhd::rx_metadata_t::ERROR_CODE_TIMEOUT) break;
+ if (md.error_code != uhd::rx_metadata_t::ERROR_CODE_NONE){
+ throw std::runtime_error(str(boost::format(
+ "Unexpected error code 0x%x"
+ ) % md.error_code));
+ }
+ if(verbose) std::cout << boost::format("Received %u samples.") % num_rx_samps << std::endl;
+ num_acc_samps += num_rx_samps;
+ }
+ sleep(delay);
+
+ if (num_acc_samps < total_num_samps) std::cerr << "Receive timeout before all samples received..." << std::endl;
+
+ if(verbose) std::cout << std::endl;
+ std::cout << boost::format("Successfully received %u samples.") % total_num_samps << std::endl << "----------------------------------------" << std::endl;
+ }
+ }
+ else{
+
+ if(verbose) {
+ std::cout << std::endl << "About to start receiving samples." << std::endl;
+ std::cout << boost::format("Samples will start at %u and end with %u with steps of %u.") % samp_begin % samp_end % step << std::endl << std::endl;
+
+ sleep(2);
+ }
+
+ for(int i = int(samp_begin); i <= int(samp_end); i += step){
+
+ usrp->set_time_now(uhd::time_spec_t(0.0));
+
+ //create a receive streamer
+ uhd::stream_args_t stream_args("fc32"); //complex floats
+ uhd::rx_streamer::sptr rx_stream = usrp->get_rx_stream(stream_args);
+
+ //setup streaming
+ std::cout << std::endl;
+ std::cout << "----------------------------------------" << std::endl;
+ std::cout << boost::format("About to receive %u samples.") % i << std::endl << std::endl;
+ uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE);
+ stream_cmd.num_samps = i;
+ stream_cmd.stream_now = true;
+ usrp->issue_stream_cmd(stream_cmd);
+
+ //meta-data will be filled in by recv()
+ uhd::rx_metadata_t md;
+
+ //allocate buffer to receive with samples
+ std::vector<std::complex<float> > buff(rx_stream->get_max_num_samps());
+
+ double timeout = 0;
+
+ size_t num_acc_samps = 0; //number of accumulated samples
+ while(int(num_acc_samps) < i){
+ //receive a single packet
+ size_t num_rx_samps = rx_stream->recv(
+ &buff.front(), buff.size(), md, timeout, true
+ );
+
+ //handle the error code
+ if (md.error_code == uhd::rx_metadata_t::ERROR_CODE_TIMEOUT) break;
+ if (md.error_code != uhd::rx_metadata_t::ERROR_CODE_NONE){
+ throw std::runtime_error(str(boost::format(
+ "Unexpected error code 0x%x"
+ ) % md.error_code));
+ }
+
+ if(verbose) std::cout << boost::format("Received %u samples.") % num_rx_samps << std::endl;
+
+ num_acc_samps += num_rx_samps;
+
+ }
+ if(verbose) std::cout << std::endl;
+ std::cout << boost::format("Successfully received %u samples.") % i << std::endl << "----------------------------------------" << std::endl;
+
+ sleep(delay);
+
+ //std::cout << boost::format("num_acc_samps=%u, i=%u") % num_acc_samps % i << std::endl;
+
+ if (int(num_acc_samps) < i) std::cerr << "Receive timeout before all samples received..." << std::endl;
+ }
+ }
+ return 0;
+ }
+} \ No newline at end of file
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