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+//
+// Copyright 2010 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/utils/static.hpp>
+#include <uhd/usrp/multi_usrp.hpp>
+#include <boost/assign/list_of.hpp>
+#include <boost/program_options.hpp>
+#include <boost/foreach.hpp>
+#include <boost/bind.hpp>
+#include <boost/format.hpp>
+#include <cstdlib>
+#include <complex>
+#include <iostream>
+
+namespace po = boost::program_options;
+
+/*!
+ * Test the burst ack message:
+ * Send a burst of many samples that will fragment internally.
+ * We expect to get an burst ack async message.
+ */
+bool test_burst_ack_message(uhd::usrp::multi_usrp::sptr usrp){
+ std::cout << "Test burst ack message... " << std::flush;
+
+ uhd::tx_metadata_t md;
+ md.start_of_burst = true;
+ md.end_of_burst = true;
+ md.has_time_spec = false;
+
+ //3 times max-sps guarantees a SOB, no burst, and EOB packet
+ std::vector<std::complex<float> > buff(usrp->get_device()->get_max_send_samps_per_packet()*3);
+
+ usrp->get_device()->send(
+ &buff.front(), buff.size(), md,
+ uhd::io_type_t::COMPLEX_FLOAT32,
+ uhd::device::SEND_MODE_FULL_BUFF
+ );
+
+ uhd::async_metadata_t async_md;
+ if (not usrp->get_device()->recv_async_msg(async_md)){
+ std::cout << boost::format(
+ "failed:\n"
+ " Async message recv timed out.\n"
+ ) << std::endl;
+ return false;
+ }
+
+ switch(async_md.event_code){
+ case uhd::async_metadata_t::EVENT_CODE_BURST_ACK:
+ std::cout << boost::format(
+ "success:\n"
+ " Got event code burst ack message.\n"
+ ) << std::endl;
+ return true;
+
+ default:
+ std::cout << boost::format(
+ "failed:\n"
+ " Got unexpected event code 0x%x.\n"
+ ) % async_md.event_code << std::endl;
+ return false;
+ }
+}
+
+/*!
+ * Test the underflow message:
+ * Send a start of burst packet with no following end of burst.
+ * We expect to get an underflow(within a burst) async message.
+ */
+bool test_underflow_message(uhd::usrp::multi_usrp::sptr usrp){
+ std::cout << "Test underflow message... " << std::flush;
+
+ uhd::tx_metadata_t md;
+ md.start_of_burst = true;
+ md.end_of_burst = false;
+ md.has_time_spec = false;
+
+ usrp->get_device()->send(
+ NULL, 0, md,
+ uhd::io_type_t::COMPLEX_FLOAT32,
+ uhd::device::SEND_MODE_FULL_BUFF
+ );
+
+ uhd::async_metadata_t async_md;
+ if (not usrp->get_device()->recv_async_msg(async_md, 1)){
+ std::cout << boost::format(
+ "failed:\n"
+ " Async message recv timed out.\n"
+ ) << std::endl;
+ return false;
+ }
+
+ switch(async_md.event_code){
+ case uhd::async_metadata_t::EVENT_CODE_UNDERFLOW:
+ std::cout << boost::format(
+ "success:\n"
+ " Got event code underflow message.\n"
+ ) << std::endl;
+ return true;
+
+ default:
+ std::cout << boost::format(
+ "failed:\n"
+ " Got unexpected event code 0x%x.\n"
+ ) % async_md.event_code << std::endl;
+ return false;
+ }
+}
+
+/*!
+ * Test the time error message:
+ * Send a burst packet that occurs at a time in the past.
+ * We expect to get a time error async message.
+ */
+bool test_time_error_message(uhd::usrp::multi_usrp::sptr usrp){
+ std::cout << "Test time error message... " << std::flush;
+
+ uhd::tx_metadata_t md;
+ md.start_of_burst = true;
+ md.end_of_burst = true;
+ md.has_time_spec = true;
+ md.time_spec = uhd::time_spec_t(100.0); //send at 100s
+
+ usrp->set_time_now(uhd::time_spec_t(200.0)); //time at 200s
+
+ usrp->get_device()->send(
+ NULL, 0, md,
+ uhd::io_type_t::COMPLEX_FLOAT32,
+ uhd::device::SEND_MODE_FULL_BUFF
+ );
+
+ uhd::async_metadata_t async_md;
+ if (not usrp->get_device()->recv_async_msg(async_md)){
+ std::cout << boost::format(
+ "failed:\n"
+ " Async message recv timed out.\n"
+ ) << std::endl;
+ return false;
+ }
+
+ switch(async_md.event_code){
+ case uhd::async_metadata_t::EVENT_CODE_TIME_ERROR:
+ std::cout << boost::format(
+ "success:\n"
+ " Got event code time error message.\n"
+ ) << std::endl;
+ return true;
+
+ default:
+ std::cout << boost::format(
+ "failed:\n"
+ " Got unexpected event code 0x%x.\n"
+ ) % async_md.event_code << std::endl;
+ return false;
+ }
+}
+
+void flush_async_md(uhd::usrp::multi_usrp::sptr usrp){
+ uhd::async_metadata_t async_md;
+ while (usrp->get_device()->recv_async_msg(async_md, 1.0)){}
+}
+
+int UHD_SAFE_MAIN(int argc, char *argv[]){
+ uhd::set_thread_priority_safe();
+
+ //variables to be set by po
+ std::string args;
+ double rate;
+ size_t ntests;
+
+ //setup the program options
+ po::options_description desc("Allowed options");
+ desc.add_options()
+ ("help", "help message")
+ ("args", po::value<std::string>(&args)->default_value(""), "multi uhd device address args")
+ ("rate", po::value<double>(&rate)->default_value(1.5e6), "rate of outgoing samples")
+ ("ntests", po::value<size_t>(&ntests)->default_value(10), "number of tests to run")
+ ;
+ 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 Test Async Messages %s") % desc << std::endl;
+ return ~0;
+ }
+
+ //create a usrp device
+ std::cout << std::endl;
+ 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;
+
+ //------------------------------------------------------------------
+ // begin asyc messages test
+ //------------------------------------------------------------------
+ static const uhd::dict<std::string, boost::function<bool(uhd::usrp::multi_usrp::sptr)> >
+ tests = boost::assign::map_list_of
+ ("Test Burst ACK ", &test_burst_ack_message)
+ ("Test Underflow ", &test_underflow_message)
+ ("Test Time Error", &test_time_error_message)
+ ;
+
+ //init result counts
+ uhd::dict<std::string, size_t> failures, successes;
+ BOOST_FOREACH(const std::string &key, tests.keys()){
+ failures[key] = 0;
+ successes[key] = 0;
+ }
+
+ //run the tests, pick at random
+ for (size_t n = 0; n < ntests; n++){
+ std::string key = tests.keys()[std::rand() % tests.size()];
+ bool pass = tests[key](usrp);
+ flush_async_md(usrp);
+
+ //store result
+ if (pass) successes[key]++;
+ else failures[key]++;
+ }
+
+ //print the result summary
+ std::cout << std::endl << "Summary:" << std::endl << std::endl;
+ BOOST_FOREACH(const std::string &key, tests.keys()){
+ std::cout << boost::format(
+ "%s -> %3d successes, %3d failures"
+ ) % key % successes[key] % failures[key] << std::endl;
+ }
+
+ //finished
+ std::cout << std::endl << "Done!" << std::endl << std::endl;
+
+ return 0;
+}
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