usrp-e: merged master, does not build

4 files changed, 120 insertions, 4 deletions

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 <http://www.gnu.org/licenses/>.
 #
 
+
+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/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:
diff --git a/host/examples/rx_timed_samples.cpp b/host/examples/rx_timed_samples.cpp
index a72e1ec81..5fbf8b6c5 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/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 <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/thread/thread_time.hpp> //system time
+#include <boost/format.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;
+    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<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")
+        ("spp", po::value<size_t>(&samps_per_packet)->default_value(1000), "number of samples per packet")
+        ("txrate", po::value<double>(&tx_rate)->default_value(100e6/16), "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 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<std::complex<float> > buff(samps_per_packet, std::complex<float>(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;
+}