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-rw-r--r--host/examples/CMakeLists.txt10
-rw-r--r--host/examples/test_async_messages.cpp208
-rw-r--r--host/examples/test_pps_input.cpp86
-rw-r--r--host/examples/tx_waveforms.cpp19
4 files changed, 318 insertions, 5 deletions
diff --git a/host/examples/CMakeLists.txt b/host/examples/CMakeLists.txt
index c3bbbcd04..d19838335 100644
--- a/host/examples/CMakeLists.txt
+++ b/host/examples/CMakeLists.txt
@@ -15,13 +15,19 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
-
+########################################################################
ADD_EXECUTABLE(benchmark_rx_rate benchmark_rx_rate.cpp)
TARGET_LINK_LIBRARIES(benchmark_rx_rate uhd)
ADD_EXECUTABLE(rx_timed_samples rx_timed_samples.cpp)
TARGET_LINK_LIBRARIES(rx_timed_samples uhd)
+ADD_EXECUTABLE(test_async_messages test_async_messages.cpp)
+TARGET_LINK_LIBRARIES(test_async_messages uhd)
+
+ADD_EXECUTABLE(test_pps_input test_pps_input.cpp)
+TARGET_LINK_LIBRARIES(test_pps_input uhd)
+
ADD_EXECUTABLE(tx_timed_samples tx_timed_samples.cpp)
TARGET_LINK_LIBRARIES(tx_timed_samples uhd)
@@ -31,6 +37,8 @@ TARGET_LINK_LIBRARIES(tx_waveforms uhd)
INSTALL(TARGETS
benchmark_rx_rate
rx_timed_samples
+ test_async_messages
+ test_pps_input
tx_timed_samples
tx_waveforms
RUNTIME DESTINATION ${PKG_DATA_DIR}/examples
diff --git a/host/examples/test_async_messages.cpp b/host/examples/test_async_messages.cpp
new file mode 100644
index 000000000..e02bc5f40
--- /dev/null
+++ b/host/examples/test_async_messages.cpp
@@ -0,0 +1,208 @@
+//
+// 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/simple_usrp.hpp>
+#include <boost/program_options.hpp>
+#include <boost/format.hpp>
+#include <complex>
+#include <iostream>
+
+namespace po = boost::program_options;
+
+static const size_t async_to_ms = 100;
+
+/*!
+ * Test that no messages are received:
+ * Send a burst of many samples that will fragment internally.
+ * We expect to not get any async messages.
+ */
+void test_no_async_message(uhd::usrp::simple_usrp::sptr sdev){
+ uhd::device::sptr dev = sdev->get_device();
+ std::cout << "Test no async 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(dev->get_max_send_samps_per_packet()*3);
+
+ dev->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 (dev->recv_async_msg(async_md, async_to_ms)){
+ std::cout << boost::format(
+ "failed:\n"
+ " Got unexpected event code 0x%x.\n"
+ ) % async_md.event_code << std::endl;
+ //clear the async messages
+ while (dev->recv_async_msg(async_md, 0));
+ }
+ else{
+ std::cout << boost::format(
+ "success:\n"
+ " Did not get an async message.\n"
+ ) << std::endl;
+ }
+}
+
+/*!
+ * 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.
+ */
+void test_underflow_message(uhd::usrp::simple_usrp::sptr sdev){
+ uhd::device::sptr dev = sdev->get_device();
+ 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;
+
+ dev->send(NULL, 0, md,
+ uhd::io_type_t::COMPLEX_FLOAT32,
+ uhd::device::SEND_MODE_FULL_BUFF
+ );
+
+ uhd::async_metadata_t async_md;
+ if (not dev->recv_async_msg(async_md, async_to_ms)){
+ std::cout << boost::format(
+ "failed:\n"
+ " Async message recv timed out.\n"
+ ) << std::endl;
+ return;
+ }
+
+ 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;
+ break;
+
+ default:
+ std::cout << boost::format(
+ "failed:\n"
+ " Got unexpected event code 0x%x.\n"
+ ) % async_md.event_code << std::endl;
+ }
+}
+
+/*!
+ * 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.
+ */
+void test_time_error_message(uhd::usrp::simple_usrp::sptr sdev){
+ uhd::device::sptr dev = sdev->get_device();
+ 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
+
+ sdev->set_time_now(uhd::time_spec_t(200.0)); //time at 200s
+
+ dev->send(NULL, 0, md,
+ uhd::io_type_t::COMPLEX_FLOAT32,
+ uhd::device::SEND_MODE_FULL_BUFF
+ );
+
+ uhd::async_metadata_t async_md;
+ if (not dev->recv_async_msg(async_md, async_to_ms)){
+ std::cout << boost::format(
+ "failed:\n"
+ " Async message recv timed out.\n"
+ ) << std::endl;
+ return;
+ }
+
+ 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;
+ break;
+
+ default:
+ std::cout << boost::format(
+ "failed:\n"
+ " Got unexpected event code 0x%x.\n"
+ ) % async_md.event_code << std::endl;
+ }
+}
+
+int UHD_SAFE_MAIN(int argc, char *argv[]){
+ uhd::set_thread_priority_safe();
+
+ //variables to be set by po
+ std::string args;
+ double rate;
+
+ //setup the program options
+ po::options_description desc("Allowed options");
+ desc.add_options()
+ ("help", "help message")
+ ("args", po::value<std::string>(&args)->default_value(""), "simple uhd device address args")
+ ("rate", po::value<double>(&rate)->default_value(1.5e6), "rate of outgoing samples")
+ ;
+ 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::simple_usrp::sptr sdev = uhd::usrp::simple_usrp::make(args);
+ std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl;
+
+ //set the tx sample rate
+ std::cout << boost::format("Setting TX Rate: %f Msps...") % (rate/1e6) << std::endl;
+ sdev->set_tx_rate(rate);
+ std::cout << boost::format("Actual TX Rate: %f Msps...") % (sdev->get_tx_rate()/1e6) << std::endl << std::endl;
+
+ //------------------------------------------------------------------
+ // begin asyc messages test
+ //------------------------------------------------------------------
+ test_no_async_message(sdev);
+ test_underflow_message(sdev);
+ test_time_error_message(sdev);
+
+ //finished
+ std::cout << std::endl << "Done!" << std::endl << std::endl;
+
+ return 0;
+}
diff --git a/host/examples/test_pps_input.cpp b/host/examples/test_pps_input.cpp
new file mode 100644
index 000000000..e01d32910
--- /dev/null
+++ b/host/examples/test_pps_input.cpp
@@ -0,0 +1,86 @@
+//
+// 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/usrp/simple_usrp.hpp>
+#include <boost/program_options.hpp>
+#include <boost/format.hpp>
+#include <boost/thread.hpp>
+#include <iostream>
+#include <complex>
+
+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;
+ float seconds;
+
+ //setup the program options
+ po::options_description desc("Allowed options");
+ desc.add_options()
+ ("help", "help message")
+ ("args", po::value<std::string>(&args)->default_value(""), "simple uhd device address args")
+ ;
+ 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 PPS Input %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::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 a known time value
+ std::cout << "Set time to known value (100.0) without regard to pps:" << std::endl;
+ sdev->set_time_now(uhd::time_spec_t(100.0));
+ boost::this_thread::sleep(boost::posix_time::seconds(1));
+ std::cout << boost::format("Reading time 1 second later: %f\n") % (sdev->get_time_now().get_full_secs()) << std::endl;
+
+ //store the time to see if PPS resets it
+ seconds = sdev->get_time_now().get_full_secs();
+
+ //set a known time at next PPS, check that time increments
+ uhd::time_spec_t time_spec = uhd::time_spec_t(0.0);
+ std::cout << "Set time to known value (0.0) at next pps:" << std::endl;
+ sdev->set_time_next_pps(time_spec);
+ boost::this_thread::sleep(boost::posix_time::seconds(1));
+ std::cout << boost::format("Reading time 1 second later: %f\n") % (sdev->get_time_now().get_full_secs()) << std::endl;
+
+ //finished
+ if (seconds > sdev->get_time_now().get_full_secs()){
+ std::cout << std::endl << "Success!" << std::endl << std::endl;
+ return 0;
+ } else {
+ std::cout << std::endl << "Failed!" << std::endl << std::endl
+ << "If you expected PPS to work:" << std::endl
+ << "\tsee Device App Notes for PPS level information"
+ << std::endl << std::endl;
+ return -1;
+ }
+}
diff --git a/host/examples/tx_waveforms.cpp b/host/examples/tx_waveforms.cpp
index 9886000b1..3f319cf68 100644
--- a/host/examples/tx_waveforms.cpp
+++ b/host/examples/tx_waveforms.cpp
@@ -17,6 +17,7 @@
#include <uhd/utils/thread_priority.hpp>
#include <uhd/utils/safe_main.hpp>
+#include <uhd/utils/static.hpp>
#include <uhd/usrp/simple_usrp.hpp>
#include <boost/program_options.hpp>
#include <boost/thread/thread_time.hpp> //system time
@@ -44,9 +45,16 @@ float gen_ramp(float x){
return std::fmod(x, 1)*2 - 1;
}
+#define sine_table_len 2048
+static float sine_table[sine_table_len];
+UHD_STATIC_BLOCK(gen_sine_table){
+ static const float m_pi = std::acos(float(-1));
+ for (size_t i = 0; i < sine_table_len; i++)
+ sine_table[i] = std::sin((2*m_pi*i)/sine_table_len);
+}
+
float gen_sine(float x){
- static const float two_pi = 2*std::acos(float(-1));
- return std::sin(x*two_pi);
+ return sine_table[size_t(x*sine_table_len)%sine_table_len];
}
int UHD_SAFE_MAIN(int argc, char *argv[]){
@@ -65,11 +73,11 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
("args", po::value<std::string>(&args)->default_value(""), "simple uhd device address args")
("duration", po::value<size_t>(&total_duration)->default_value(3), "number of seconds to transmit")
("spb", po::value<size_t>(&spb)->default_value(10000), "samples per buffer")
- ("rate", po::value<double>(&rate)->default_value(100e6/16), "rate of outgoing samples")
+ ("rate", po::value<double>(&rate)->default_value(1.5e6), "rate of outgoing samples")
("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz")
("ampl", po::value<float>(&ampl)->default_value(float(0.3)), "amplitude of the waveform")
("gain", po::value<float>(&gain)->default_value(float(0)), "gain for the RF chain")
- ("wave-type", po::value<std::string>(&wave_type)->default_value("SINE"), "waveform type (CONST, SQUARE, RAMP, SINE)")
+ ("wave-type", po::value<std::string>(&wave_type)->default_value("CONST"), "waveform type (CONST, SQUARE, RAMP, SINE)")
("wave-freq", po::value<double>(&wave_freq)->default_value(0), "waveform frequency in Hz")
;
po::variables_map vm;
@@ -113,6 +121,9 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
if (std::abs(wave_freq) > sdev->get_tx_rate()/2){
throw std::runtime_error("wave freq out of Nyquist zone");
}
+ if (sdev->get_tx_rate()/std::abs(wave_freq) > sine_table_len/2 and wave_type == "SINE"){
+ throw std::runtime_error("sine freq too small for table");
+ }
//store the generator function for the selected waveform
boost::function<float(float)> wave_gen;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 02:54:02 +0000