3 files changed, 12 insertions, 7 deletions
diff --git a/host/examples/rx_timed_samples.cpp b/host/examples/rx_timed_samples.cpp
index 9ebe36c5a..630b4a7a9 100644
--- a/host/examples/rx_timed_samples.cpp
+++ b/host/examples/rx_timed_samples.cpp
@@ -32,7 +32,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
     std::string args;
     double seconds_in_future;
     size_t total_num_samps;
-    double rate, freq;
+    double rate, freq, clock;
 
     //setup the program options
     po::options_description desc("Allowed options");
@@ -41,6 +41,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
         ("args", po::value<std::string>(&args)->default_value(""), "single uhd device address args")
         ("secs", po::value<double>(&seconds_in_future)->default_value(3), "number of seconds in the future to receive")
         ("nsamps", po::value<size_t>(&total_num_samps)->default_value(1000), "total number of samples to receive")
+        ("clock", po::value<double>(&clock), "master clock frequency in Hz")
         ("rate", po::value<double>(&rate)->default_value(100e6/16), "rate of incoming samples")
         ("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz")
         ("dilv", "specify to disable inner-loop verbose")
@@ -63,6 +64,12 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
     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;
 
+    //optionally set the clock rate (do before setting anything else)
+    if (vm.count("clock")){
+        std::cout << boost::format("Setting master clock rate: %f MHz...") % (clock/1e6) << std::endl;
+        usrp->set_master_clock_rate(clock);
+    }
+
     //set the rx sample rate
     std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl;
     usrp->set_rx_rate(rate);
diff --git a/host/examples/test_async_messages.cpp b/host/examples/test_async_messages.cpp
index 7f1094ee0..7f922ed35 100644
--- a/host/examples/test_async_messages.cpp
+++ b/host/examples/test_async_messages.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
@@ -91,8 +91,7 @@ bool test_underflow_message(uhd::usrp::multi_usrp::sptr usrp){
     md.end_of_burst   = false;
     md.has_time_spec  = false;
 
-    usrp->get_device()->send(
-        NULL, 0, md,
+    usrp->get_device()->send("", 0, md,
         uhd::io_type_t::COMPLEX_FLOAT32,
         uhd::device::SEND_MODE_FULL_BUFF
     );
@@ -139,8 +138,7 @@ bool test_time_error_message(uhd::usrp::multi_usrp::sptr usrp){
 
     usrp->set_time_now(uhd::time_spec_t(200.0)); //time at 200s
 
-    usrp->get_device()->send(
-        NULL, 0, md,
+    usrp->get_device()->send("", 0, md,
         uhd::io_type_t::COMPLEX_FLOAT32,
         uhd::device::SEND_MODE_FULL_BUFF
     );
diff --git a/host/examples/tx_waveforms.cpp b/host/examples/tx_waveforms.cpp
index dd18d3174..05d49a8b3 100644
--- a/host/examples/tx_waveforms.cpp
+++ b/host/examples/tx_waveforms.cpp
@@ -171,7 +171,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
     //send a mini EOB packet
     md.start_of_burst = false;
     md.end_of_burst   = true;
-    usrp->get_device()->send(NULL, 0, md,
+    usrp->get_device()->send("", 0, md,
         uhd::io_type_t::COMPLEX_FLOAT32,
         uhd::device::SEND_MODE_FULL_BUFF
     );