diff options
Diffstat (limited to 'host/examples/benchmark_rx_rate.cpp')
-rw-r--r-- | host/examples/benchmark_rx_rate.cpp | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/host/examples/benchmark_rx_rate.cpp b/host/examples/benchmark_rx_rate.cpp index c993af970..118bf413c 100644 --- a/host/examples/benchmark_rx_rate.cpp +++ b/host/examples/benchmark_rx_rate.cpp @@ -1,5 +1,5 @@ // -// Copyright 2010 Ettus Research LLC +// Copyright 2010-2011 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 @@ -17,7 +17,7 @@ #include <uhd/utils/thread_priority.hpp> #include <uhd/utils/safe_main.hpp> -#include <uhd/usrp/single_usrp.hpp> +#include <uhd/usrp/multi_usrp.hpp> #include <boost/math/special_functions/round.hpp> #include <boost/program_options.hpp> #include <boost/format.hpp> @@ -27,19 +27,19 @@ namespace po = boost::program_options; static inline void test_device( - uhd::usrp::single_usrp::sptr sdev, + uhd::usrp::multi_usrp::sptr usrp, double rx_rate_sps, double duration_secs ){ - uhd::device::sptr dev = sdev->get_device(); + const size_t max_samps_per_packet = usrp->get_device()->get_max_recv_samps_per_packet(); std::cout << boost::format("Testing receive rate %f Msps (%f second run)") % (rx_rate_sps/1e6) % duration_secs << std::endl; //allocate recv buffer and metatdata uhd::rx_metadata_t md; - std::vector<std::complex<float> > buff(dev->get_max_recv_samps_per_packet()); + std::vector<std::complex<float> > buff(max_samps_per_packet); //flush the buffers in the recv path - while(dev->recv( + while(usrp->get_device()->recv( &buff.front(), buff.size(), md, uhd::io_type_t::COMPLEX_FLOAT32, uhd::device::RECV_MODE_ONE_PACKET @@ -55,9 +55,9 @@ static inline void test_device( uhd::time_spec_t initial_time_spec; uhd::time_spec_t next_expected_time_spec; - sdev->issue_stream_cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS); + usrp->issue_stream_cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS); do { - size_t num_rx_samps = dev->recv( + size_t num_rx_samps = usrp->get_device()->recv( &buff.front(), buff.size(), md, uhd::io_type_t::COMPLEX_FLOAT32, uhd::device::RECV_MODE_ONE_PACKET @@ -94,14 +94,14 @@ static inline void test_device( next_expected_time_spec = md.time_spec + uhd::time_spec_t(0, num_rx_samps, rx_rate_sps); } while((next_expected_time_spec - initial_time_spec) < uhd::time_spec_t(duration_secs)); - sdev->issue_stream_cmd(uhd::stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS); + usrp->issue_stream_cmd(uhd::stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS); //print a summary std::cout << std::endl; //go to newline, recv may spew SXSYSZ... std::cout << boost::format(" Received packets: %d") % total_recv_packets << std::endl; std::cout << boost::format(" Received samples: %d") % total_recv_samples << std::endl; std::cout << boost::format(" Lost samples: %d") % total_lost_samples << std::endl; - size_t packets_lost = boost::math::iround(double(total_lost_samples)/dev->get_max_recv_samps_per_packet()); + size_t packets_lost = boost::math::iround(double(total_lost_samples)/max_samps_per_packet); std::cout << boost::format(" Lost packets: %d (approximate)") % packets_lost << std::endl; double actual_rx_rate_sps = (total_recv_samples*rx_rate_sps)/(total_recv_samples+total_lost_samples); std::cout << boost::format(" Sustained receive rate: %f Msps") % (actual_rx_rate_sps/1e6) << std::endl; @@ -137,22 +137,22 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //create a usrp device std::cout << std::endl; std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl; - uhd::usrp::single_usrp::sptr sdev = uhd::usrp::single_usrp::make(args); - std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << 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; if (not vm.count("rate")){ - sdev->set_rx_rate(500e3); //initial rate + usrp->set_rx_rate(500e3); //initial rate while(true){ - double rate = sdev->get_rx_rate(); - test_device(sdev, rate, duration); - sdev->set_rx_rate(rate*2); //double the rate - if (sdev->get_rx_rate() == rate) break; + double rate = usrp->get_rx_rate(); + test_device(usrp, rate, duration); + usrp->set_rx_rate(rate*2); //double the rate + if (usrp->get_rx_rate() == rate) break; } } else{ - sdev->set_rx_rate(only_rate); - double rate = sdev->get_rx_rate(); - test_device(sdev, rate, duration); + usrp->set_rx_rate(only_rate); + double rate = usrp->get_rx_rate(); + test_device(usrp, rate, duration); } //finished |