From 90465e6bcda596b28ab823e698b078708828da0c Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Tue, 20 Jul 2010 18:51:36 -0700 Subject: uhd: added async recv message call to device api implemented in usrp2 io impl added async metadata type --- host/examples/benchmark_rx_rate.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'host/examples') diff --git a/host/examples/benchmark_rx_rate.cpp b/host/examples/benchmark_rx_rate.cpp index 752facb0d..8fae813cf 100644 --- a/host/examples/benchmark_rx_rate.cpp +++ b/host/examples/benchmark_rx_rate.cpp @@ -66,7 +66,7 @@ static inline void test_device( //handle the error codes switch(md.error_code){ case uhd::rx_metadata_t::ERROR_CODE_NONE: - case uhd::rx_metadata_t::ERROR_CODE_OVERRUN: + case uhd::rx_metadata_t::ERROR_CODE_OVERFLOW: break; default: -- cgit v1.2.3 From f86c25317b457b280c697fc47905c79bdbbc0c93 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Mon, 26 Jul 2010 11:46:08 -0700 Subject: uhd: removed remaining template stuff from vrt packet handler, also tweaked format in rx timed samples --- host/examples/rx_timed_samples.cpp | 7 ++++--- host/lib/transport/vrt_packet_handler.hpp | 3 +-- 2 files changed, 5 insertions(+), 5 deletions(-) (limited to 'host/examples') diff --git a/host/examples/rx_timed_samples.cpp b/host/examples/rx_timed_samples.cpp index 3b9acbb2c..4856f6779 100644 --- a/host/examples/rx_timed_samples.cpp +++ b/host/examples/rx_timed_samples.cpp @@ -74,8 +74,9 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ //setup streaming std::cout << std::endl; - std::cout << boost::format("Begin streaming %u samples, %d seconds in the future...") - % total_num_samps % seconds_in_future << std::endl; + std::cout << boost::format( + "Begin streaming %u samples, %d seconds in the future..." + ) % total_num_samps % seconds_in_future << 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 = false; @@ -102,7 +103,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){ if (num_acc_samps == 0) continue; std::cout << boost::format( "Got timeout before all samples received, possible packet loss, exiting loop..." - ) % md.error_code << std::endl; + ) << std::endl; goto done_loop; default: diff --git a/host/lib/transport/vrt_packet_handler.hpp b/host/lib/transport/vrt_packet_handler.hpp index 07ad9115c..cf9d649dd 100644 --- a/host/lib/transport/vrt_packet_handler.hpp +++ b/host/lib/transport/vrt_packet_handler.hpp @@ -286,7 +286,6 @@ namespace vrt_packet_handler{ * Pack a vrt header, copy-convert the data, and send it. * - helper function for vrt_packet_handler::send ******************************************************************/ - template static UHD_INLINE void _send1( send_state &state, const std::vector &buffs, @@ -295,7 +294,7 @@ namespace vrt_packet_handler{ uhd::transport::vrt::if_packet_info_t &if_packet_info, const uhd::io_type_t &io_type, const uhd::otw_type_t &otw_type, - vrt_packer_type vrt_packer, + const vrt_packer_t &vrt_packer, const get_send_buffs_t &get_send_buffs, size_t vrt_header_offset_words32 ){ -- cgit v1.2.3 From 5f3e51f8d200d8494765fdb3bafbcfe2a3701d8f Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Wed, 28 Jul 2010 19:43:05 -0700 Subject: uhd: made tx continuous samples example app --- host/examples/CMakeLists.txt | 5 ++ host/examples/tx_continuous_samples.cpp | 110 ++++++++++++++++++++++++++++++++ 2 files changed, 115 insertions(+) create mode 100644 host/examples/tx_continuous_samples.cpp (limited to 'host/examples') diff --git a/host/examples/CMakeLists.txt b/host/examples/CMakeLists.txt index 5071b114f..10a9a833a 100644 --- a/host/examples/CMakeLists.txt +++ b/host/examples/CMakeLists.txt @@ -15,6 +15,10 @@ # along with this program. If not, see . # + +ADD_EXECUTABLE(tx_continuous_samples tx_continuous_samples.cpp) +TARGET_LINK_LIBRARIES(tx_continuous_samples uhd) + ADD_EXECUTABLE(benchmark_rx_rate benchmark_rx_rate.cpp) TARGET_LINK_LIBRARIES(benchmark_rx_rate uhd) @@ -25,6 +29,7 @@ ADD_EXECUTABLE(tx_timed_samples tx_timed_samples.cpp) TARGET_LINK_LIBRARIES(tx_timed_samples uhd) INSTALL(TARGETS + tx_continuous_samples benchmark_rx_rate rx_timed_samples tx_timed_samples diff --git a/host/examples/tx_continuous_samples.cpp b/host/examples/tx_continuous_samples.cpp new file mode 100644 index 000000000..cf70b07fb --- /dev/null +++ b/host/examples/tx_continuous_samples.cpp @@ -0,0 +1,110 @@ +// +// 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 . +// + +#include +#include +#include +#include +#include //system time +#include +#include +#include + +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; + size_t total_duration; + size_t samps_per_packet; + double tx_rate, freq; + float ampl; + + //setup the program options + po::options_description desc("Allowed options"); + desc.add_options() + ("help", "help message") + ("args", po::value(&args)->default_value(""), "simple uhd device address args") + ("duration", po::value(&total_duration)->default_value(3), "number of seconds to transmit") + ("spp", po::value(&samps_per_packet)->default_value(1000), "number of samples per packet") + ("txrate", po::value(&tx_rate)->default_value(100e6/16), "rate of outgoing samples") + ("freq", po::value(&freq)->default_value(0), "rf center frequency in Hz") + ("ampl", po::value(&l)->default_value(float(0.3)), "amplitude of each sample") + ("dilv", "specify to disable inner-loop verbose") + ; + 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 TX Continuous Samples %s") % desc << std::endl; + return ~0; + } + + bool verbose = vm.count("dilv") == 0; + + //create a usrp device + std::cout << std::endl; + std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl; + uhd::usrp::simple_usrp::sptr sdev = uhd::usrp::simple_usrp::make(args); + uhd::device::sptr dev = sdev->get_device(); + std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl; + + //set properties on the device + std::cout << boost::format("Setting TX Rate: %f Msps...") % (tx_rate/1e6) << std::endl; + sdev->set_tx_rate(tx_rate); + std::cout << boost::format("Actual TX Rate: %f Msps...") % (sdev->get_tx_rate()/1e6) << std::endl; + sdev->set_tx_freq(freq); + + //allocate data to send + std::vector > buff(samps_per_packet, std::complex(ampl, ampl)); + + //setup the metadata flags + uhd::tx_metadata_t md; + md.start_of_burst = true; //always SOB (good for continuous streaming) + md.end_of_burst = false; + + //send the data in multiple packets + boost::system_time end_time(boost::get_system_time() + boost::posix_time::seconds(total_duration)); + while(end_time > boost::get_system_time()){ + //send samples per packet (driver fragments internally) + size_t num_tx_samps = dev->send( + &buff.front(), samps_per_packet, md, + uhd::io_type_t::COMPLEX_FLOAT32, + uhd::device::SEND_MODE_FULL_BUFF + ); + if(verbose) std::cout << std::endl << boost::format("Sent %d samples") % num_tx_samps << std::endl; + } + + //send a mini EOB packet + if(verbose) std::cout << std::endl << boost::format("Sending packet with end-of-burst") << std::endl; + md.start_of_burst = false; + md.end_of_burst = true; + dev->send( + NULL, 0, md, + uhd::io_type_t::COMPLEX_FLOAT32, + uhd::device::SEND_MODE_FULL_BUFF + ); + + //finished + std::cout << std::endl << "Done!" << std::endl << std::endl; + + return 0; +} -- cgit v1.2.3