uhd: removed SOB always from tx examples,

use the multi usrp set unknown pps in the test app

5 files changed, 11 insertions, 34 deletions

diff --git a/host/examples/test_pps_input.cpp b/host/examples/test_pps_input.cpp
index 4b2bb62a3..273c73df0 100644
--- a/host/examples/test_pps_input.cpp
+++ b/host/examples/test_pps_input.cpp
@@ -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/program_options.hpp>
 #include <boost/format.hpp>
 #include <boost/thread.hpp>
@@ -31,7 +31,6 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
 
     //variables to be set by po
     std::string args;
-    double seconds;
 
     //setup the program options
     po::options_description desc("Allowed options");
@@ -52,35 +51,13 @@ 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);
+    uhd::usrp::multi_usrp::sptr sdev = uhd::usrp::multi_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_real_secs()) << std::endl;
-
-    //store the time to see if PPS resets it
-    seconds = sdev->get_time_now().get_real_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_real_secs()) << std::endl;
-
-    //finished
-    if (seconds > sdev->get_time_now().get_real_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;
-    }
+    //set the time at an unknown pps (will throw if no pps)
+    std::cout << std::endl << "Attempt to detect the PPS and set the time..." << std::endl << std::endl;
+    sdev->set_time_unknown_pps(uhd::time_spec_t(0.0));
+    std::cout << std::endl << "Success!" << std::endl << std::endl;
+    return 0;
 }
diff --git a/host/examples/tx_from_file.cpp b/host/examples/tx_from_file.cpp
index 9611cf47c..40ce6db6b 100644
--- a/host/examples/tx_from_file.cpp
+++ b/host/examples/tx_from_file.cpp
@@ -102,7 +102,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
     size_t num_packets = (total_num_samps+samps_per_packet-1)/samps_per_packet;
     for (size_t i = 0; i < num_packets; i++){
         //setup the metadata flags and time spec
-        md.start_of_burst = true;                  //always SOB (good for continuous streaming)
+        md.start_of_burst = (i == 0);              //only first packet has SOB
         md.end_of_burst   = (i == num_packets-1);  //only last packet has EOB
         md.has_time_spec  = (i == 0);              //only first packet has time
         md.time_spec = uhd::time_spec_t(seconds_in_future);
diff --git a/host/examples/tx_timed_samples.cpp b/host/examples/tx_timed_samples.cpp
index 799da37e0..ef0cd8212 100644
--- a/host/examples/tx_timed_samples.cpp
+++ b/host/examples/tx_timed_samples.cpp
@@ -89,7 +89,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
     for (size_t i = 0; i < num_packets; i++){
         //setup the metadata flags and time spec
         uhd::tx_metadata_t md;
-        md.start_of_burst = true;                  //always SOB (good for continuous streaming)
+        md.start_of_burst = (i == 0);              //only first packet has SOB
         md.end_of_burst   = (i == num_packets-1);  //only last packet has EOB
         md.has_time_spec  = (i == 0);              //only first packet has time
         md.time_spec = uhd::time_spec_t(seconds_in_future);
diff --git a/host/examples/tx_waveforms.cpp b/host/examples/tx_waveforms.cpp
index 50982cf88..751b79cf5 100644
--- a/host/examples/tx_waveforms.cpp
+++ b/host/examples/tx_waveforms.cpp
@@ -142,7 +142,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
 
     //setup the metadata flags
     uhd::tx_metadata_t md;
-    md.start_of_burst = true; //always SOB (good for continuous streaming)
+    md.start_of_burst = false; //never SOB when continuous
     md.end_of_burst   = false;
 
     //send the data in multiple packets
diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp
index 2245983ee..5610bcd3f 100644
--- a/host/lib/usrp/multi_usrp.cpp
+++ b/host/lib/usrp/multi_usrp.cpp
@@ -135,8 +135,8 @@ public:
             if (get_time_last_pps() != time_start_last_pps) break;
             if ((get_time_now() - time_start) > time_spec_t(1.1)){
                 throw std::runtime_error(
-                    "The time at the last PPS has not changed.\n"
                     "Board 0 may not be getting a PPS signal.\n"
+                    "The time at the last PPS has not changed.\n"
                 );
             }
         }