Examples - Test Daughterboard Coercion: moves across the frequency and gain ranges of a daughterboard and tests whether or not it can tune/lock at all advertised frequencies and gains

1 files changed, 604 insertions, 0 deletions

diff --git a/host/examples/test_dboard_coercion.cpp b/host/examples/test_dboard_coercion.cpp
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--- /dev/null
+++ b/host/examples/test_dboard_coercion.cpp
@@ -0,0 +1,604 @@
+//
+// Copyright 2012 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/multi_usrp.hpp>
+#include <boost/program_options.hpp>
+#include <boost/format.hpp>
+#include <boost/thread/thread.hpp>
+#include <boost/math/special_functions/round.hpp>
+#include <iostream>
+#include <complex>
+#include <vector>
+
+namespace po = boost::program_options;
+
+/************************************************************************
+ * Misc functions
+************************************************************************/
+
+std::string return_MHz_string(double freq){
+    std::string nice_string = std::string(str(boost::format("%5.2f MHz") % (freq / 1e6)));
+    return nice_string;
+}
+
+std::string return_USRP_config_string(uhd::usrp::multi_usrp::sptr usrp, bool test_tx, bool test_rx){
+    uhd::dict<std::string, std::string> tx_info = usrp->get_usrp_tx_info();
+    uhd::dict<std::string, std::string> rx_info = usrp->get_usrp_rx_info();
+    std::string info_string;
+    std::string mboard_id, mboard_serial;
+    std::string tx_serial, tx_subdev_name, tx_subdev_spec;
+    std::string rx_serial, rx_subdev_name, rx_subdev_spec;
+
+    mboard_id = tx_info.get("mboard_id");
+    if(tx_info.get("mboard_serial") != "") mboard_serial = tx_info.get("mboard_serial");
+    else mboard_serial = "no serial";
+
+    info_string = std::string(str(boost::format("Motherboard: %s (%s)\n") % mboard_id % mboard_serial));
+
+    if(test_tx){
+        if(tx_info.get("tx_serial") != "") tx_serial = tx_info.get("tx_serial");
+        else tx_serial = "no serial"; 
+        tx_subdev_name = tx_info.get("tx_subdev_name");
+        tx_subdev_spec = tx_info.get("tx_subdev_spec");
+
+        info_string += std::string(str(boost::format("TX: %s (%s, %s)") % tx_subdev_name % tx_serial % tx_subdev_spec));
+    }
+    if(test_tx and test_rx) info_string += "\n";
+    if(test_rx){
+        if(rx_info.get("rx_serial") != "") rx_serial = rx_info.get("rx_serial");
+        else rx_serial = "no serial";
+        rx_subdev_name = rx_info.get("rx_subdev_name");
+        rx_subdev_spec = rx_info.get("rx_subdev_spec");
+
+        info_string += std::string(str(boost::format("RX: %s (%s, %s)") % rx_subdev_name % rx_serial % rx_subdev_spec));
+    }
+
+    return info_string;
+}
+
+/************************************************************************
+ * TX Frequency/Gain Coercion
+************************************************************************/
+
+std::string tx_test(uhd::usrp::multi_usrp::sptr usrp, bool test_gain, std::string ref, bool verbose){
+
+    //Establish frequency range
+
+    std::vector<double> freqs;
+    std::vector<double> xcvr_freqs;
+
+    BOOST_FOREACH(const uhd::range_t &range, usrp->get_fe_tx_freq_range()){
+        double freq_begin = range.start();
+        double freq_end = range.stop();
+        double freq_step;
+
+        if(usrp->get_usrp_tx_info().get("tx_subdev_name") == "XCVR2450 TX"){
+            xcvr_freqs.push_back(freq_begin);
+            xcvr_freqs.push_back(freq_end);
+        }
+
+        if(freq_end - freq_begin > 1000e6) freq_step = 100e6;
+        else if(freq_end - freq_begin < 300e6) freq_step = 10e6;
+        else freq_step = 50e6;
+
+        double current_freq = freq_begin;
+
+        while(current_freq < freq_end){
+            freqs.push_back(current_freq);
+            current_freq += freq_step;
+        }
+        if(freq_end != *freqs.end()) freqs.push_back(freq_end);
+    }
+
+    std::vector<double> gains;
+
+    if(test_gain){
+
+        //Establish gain range
+
+        double gain_begin = usrp->get_tx_gain_range().start();
+        if(gain_begin < 0.0) gain_begin = 0.0;
+        double gain_end = usrp->get_tx_gain_range().stop();
+
+        double current_gain = gain_begin;
+        while(current_gain < gain_end){
+            gains.push_back(current_gain);
+            current_gain++;
+        }
+        if(gain_end != *gains.end()) gains.push_back(gain_end);
+
+    }
+
+    //Establish error-storing variables
+
+    std::vector<double> bad_tune_freqs;
+    std::vector<double> no_lock_freqs;
+    std::vector< std::vector< double > > bad_gain_vals;
+    std::vector<std::string> dboard_sensor_names = usrp->get_tx_sensor_names();
+    std::vector<std::string> mboard_sensor_names = usrp->get_mboard_sensor_names();
+    bool has_sensor;
+
+    if(ref == "internal") has_sensor = (std::find(dboard_sensor_names.begin(), dboard_sensor_names.end(), "lo_locked")) != dboard_sensor_names.end();
+    else if(ref == "external") has_sensor = (std::find(mboard_sensor_names.begin(), mboard_sensor_names.end(), "ref_locked")) != mboard_sensor_names.end();
+    else has_sensor = (std::find(mboard_sensor_names.begin(), mboard_sensor_names.end(), "mimo_locked")) != mboard_sensor_names.end();
+
+    for(std::vector<double>::iterator f = freqs.begin(); f != freqs.end(); ++f){
+
+        //Testing for successful frequency tune
+
+        usrp->set_tx_freq(*f);
+        boost::this_thread::sleep(boost::posix_time::microseconds(long(1000)));
+
+        double actual_freq = usrp->get_tx_freq();
+
+        if(*f == 0.0){
+            if(floor(actual_freq + 0.5) == 0.0){
+                if(verbose) std::cout << boost::format("\nTX frequency successfully tuned to %s.") % return_MHz_string(*f) << std::endl;
+            }
+            else{
+                if(verbose) std::cout << boost::format("\nTX frequency tuned to %s instead of %s.") % return_MHz_string(actual_freq) % return_MHz_string(*f) << std::endl;
+            }
+        }
+        else{
+            if((*f / actual_freq > 0.9999) and (*f / actual_freq < 1.0001)){
+                if(verbose) std::cout << boost::format("\nTX frequency successfully tuned to %s.") % return_MHz_string(*f) << std::endl;
+            }
+            else{
+                if(verbose) std::cout << boost::format("\nTX frequency tuned to %s instead of %s.") % return_MHz_string(actual_freq) % return_MHz_string(*f) << std::endl;
+                bad_tune_freqs.push_back(*f);
+            }
+        }
+
+        //Testing for successful lock
+
+        if(has_sensor){
+            if(ref == "internal"){
+                if(usrp->get_tx_sensor("lo_locked",0).to_bool()){
+                    if(verbose) std::cout << boost::format("LO successfully locked at TX frequency %s.") % return_MHz_string(*f) << std::endl;
+                }
+                else{
+                    if(verbose) std::cout << boost::format("LO did not successfully lock at TX frequency %s.") % return_MHz_string(*f) << std::endl;
+                    no_lock_freqs.push_back(*f);
+                }
+            }
+            else if(ref == "external"){
+                if(usrp->get_mboard_sensor("ref_locked",0).to_bool()){
+                    if(verbose) std::cout << boost::format("REF successfully locked at TX frequency %s.") % return_MHz_string(*f) << std::endl;
+                }
+                else{
+                    if(verbose) std::cout << boost::format("REF did not successfully lock at TX frequency %s.") % return_MHz_string(*f) << std::endl;
+                    no_lock_freqs.push_back(*f);
+                }
+            }
+            else if(ref == "mimo"){
+                if(usrp->get_mboard_sensor("mimo_locked",0).to_bool()){
+                    if(verbose) std::cout << boost::format("MIMO successfully locked at TX frequency %s.") % return_MHz_string(*f) << std::endl;
+                }
+                else{
+                    if(verbose) std::cout << boost::format("MIMO did not successfully lock at TX frequency %s.") % return_MHz_string(*f) << std::endl;
+                    no_lock_freqs.push_back(*f);
+                }
+            }
+        }        
+
+        if(test_gain){
+            
+            //Testing for successful gain tune
+
+            for(std::vector<double>::iterator g = gains.begin(); g != gains.end(); ++g){
+                usrp->set_tx_gain(*g);
+                boost::this_thread::sleep(boost::posix_time::microseconds(1000));
+                
+                double actual_gain = usrp->get_tx_gain();
+
+                if(*g == 0.0){
+                    if(actual_gain == 0.0){
+                        if(verbose) std::cout << boost::format("TX gain successfully set to %5.2f at TX frequency %s.") % *g % return_MHz_string(*f) << std::endl;
+                    }    
+                    else{
+                        if(verbose) std::cout << boost::format("TX gain set to %5.2f instead of %5.2f at TX frequency %s.") % actual_gain % *g % return_MHz_string(*f) << std::endl;
+                        std::vector<double> bad_gain_freq;
+                        bad_gain_freq.push_back(*f);
+                        bad_gain_freq.push_back(*g);
+                        bad_gain_vals.push_back(bad_gain_freq);
+                    }
+                }
+                else{
+                    if((*g / actual_gain) > 0.9 and (*g / actual_gain) < 1.1){
+                        if(verbose) std::cout << boost::format("TX gain successfully set to %5.2f at TX frequency %s.") % *g % return_MHz_string(*f) << std::endl;
+                    }
+                    else{
+                        if(verbose) std::cout << boost::format("TX gain set to %5.2f instead of %5.2f at TX frequency %s.") % actual_gain % *g % return_MHz_string(*f) << std::endl;
+                        std::vector<double> bad_gain_freq;
+                        bad_gain_freq.push_back(*f);
+                        bad_gain_freq.push_back(*g);
+                        bad_gain_vals.push_back(bad_gain_freq);
+                    }
+                }
+            }
+        }
+    }
+
+    std::string tx_results = "TX Summary:\n";
+    if(usrp->get_usrp_tx_info().get("tx_subdev_name") == "XCVR2450 TX"){
+        tx_results += std::string(str(boost::format("Frequency Range: %s - %s, %s - %s\n") % return_MHz_string(xcvr_freqs.at(0)) % return_MHz_string(xcvr_freqs.at(1)) %
+            return_MHz_string(xcvr_freqs.at(2)) % return_MHz_string(xcvr_freqs.at(3))));
+    }
+    else tx_results += std::string(str(boost::format("Frequency Range: %s - %s\n") % return_MHz_string(freqs.front()) % return_MHz_string(freqs.back())));
+    if(test_gain) tx_results += std::string(str(boost::format("Gain Range: %5.2f - %5.2f\n") % gains.front() % gains.back()));
+
+    if(bad_tune_freqs.empty()) tx_results += "USRP successfully tuned to all frequencies.";
+    else{
+        tx_results += "USRP did not successfully tune to the following frequencies: ";
+        for(std::vector<double>::iterator i = bad_tune_freqs.begin(); i != bad_tune_freqs.end(); ++i){
+            if(i != bad_tune_freqs.begin()) tx_results += ", ";
+            tx_results += return_MHz_string(*i);
+        }
+    }
+    if(has_sensor){
+
+        std::string sensor_str;
+        if(ref == "internal") sensor_str = "LO";
+        else if(ref == "external") sensor_str = "REF";
+        else if(ref == "mimo") sensor_str = "MIMO";
+
+        tx_results += "\n";
+        if(no_lock_freqs.empty()) tx_results += std::string(str(boost::format("%s successfully locked at all frequencies.") % sensor_str));
+        else{
+            tx_results += std::string(str(boost::format("%s did not successfully lock at the following frequencies: ") % sensor_str));;
+            for(std::vector<double>::iterator i = no_lock_freqs.begin(); i != no_lock_freqs.end(); ++i){
+                if( i != no_lock_freqs.begin()) tx_results += ", ";
+                tx_results += return_MHz_string(*i);
+            }
+        }
+    }
+    if(test_gain){
+        tx_results += "\n";
+        if(bad_gain_vals.empty()) tx_results += "USRP successfully set all specified gain values at all frequencies.";
+        else{
+            tx_results += "USRP did not successfully set gain under the following circumstances:";
+            for(std::vector< std::vector<double> >::iterator i = bad_gain_vals.begin(); i != bad_gain_vals.end(); ++i){
+                std::vector<double> bad_pair = *i;
+                double bad_freq = bad_pair.front();
+                double bad_gain = bad_pair.back();
+                tx_results += std::string(str(boost::format("\nFrequency: %s, Gain: %5.2f") % return_MHz_string(bad_freq) % bad_gain));
+            }
+        }
+    }
+
+    return tx_results;
+}
+
+/************************************************************************
+ * RX Frequency/Gain Coercion
+************************************************************************/
+
+std::string rx_test(uhd::usrp::multi_usrp::sptr usrp, bool test_gain, std::string ref, bool verbose){
+
+    //Establish frequency range
+
+    std::vector<double> freqs;
+    std::vector<double> xcvr_freqs;
+
+    BOOST_FOREACH(const uhd::range_t &range, usrp->get_fe_rx_freq_range()){
+        double freq_begin = range.start();
+        double freq_end = range.stop();
+
+        if(usrp->get_usrp_rx_info().get("rx_subdev_name") == "XCVR2450 RX"){
+            xcvr_freqs.push_back(freq_begin);
+            xcvr_freqs.push_back(freq_end);
+        }
+
+        double freq_step;
+
+        if(freq_end - freq_begin > 1000e6) freq_step = 100e6;
+        else if(freq_end - freq_begin < 300e6) freq_step = 10e6;
+        else freq_step = 50e6;
+
+        double current_freq = freq_begin;
+
+        while(current_freq < freq_end){
+            freqs.push_back(current_freq);
+            current_freq += freq_step;
+        }
+    }
+
+    std::vector<double> gains;
+
+    if(test_gain){
+
+        //Establish gain range
+
+        double gain_begin = usrp->get_rx_gain_range().start();
+        if(gain_begin < 0.0) gain_begin = 0.0;
+        double gain_end = usrp->get_rx_gain_range().stop();
+
+        double current_gain = gain_begin;
+        while(current_gain < gain_end){
+            gains.push_back(current_gain);
+            current_gain++;
+        }
+        if(gain_end != *gains.end()) gains.push_back(gain_end);
+
+    }
+
+    //Establish error-storing variables
+
+    std::vector<double> bad_tune_freqs;
+    std::vector<double> no_lock_freqs;
+    std::vector< std::vector< double > > bad_gain_vals;
+    std::vector<std::string> dboard_sensor_names = usrp->get_rx_sensor_names();
+    std::vector<std::string> mboard_sensor_names = usrp->get_mboard_sensor_names();
+    bool has_sensor;
+
+    if(ref == "internal") has_sensor = (std::find(dboard_sensor_names.begin(), dboard_sensor_names.end(), "lo_locked")) != dboard_sensor_names.end();
+    else if(ref == "external") has_sensor = (std::find(mboard_sensor_names.begin(), mboard_sensor_names.end(), "ref_locked")) != mboard_sensor_names.end();
+    else has_sensor = (std::find(mboard_sensor_names.begin(), mboard_sensor_names.end(), "mimo_locked")) != mboard_sensor_names.end();
+
+    for(std::vector<double>::iterator f = freqs.begin(); f != freqs.end(); ++f){
+
+        //Testing for successful frequency tune
+
+        usrp->set_rx_freq(*f);
+        boost::this_thread::sleep(boost::posix_time::microseconds(long(1000)));
+
+        double actual_freq = usrp->get_rx_freq();
+
+        if(*f == 0.0){
+            if(floor(actual_freq + 0.5) == 0.0){
+                if(verbose) std::cout << boost::format("\nRX frequency successfully tuned to %s.") % return_MHz_string(*f) << std::endl;
+            }
+            else{
+                if(verbose) std::cout << boost::format("\nRX frequency tuned to %s instead of %s.") % return_MHz_string(actual_freq) % return_MHz_string(*f) << std::endl;
+            }
+        }
+        else{
+            if((*f / actual_freq > 0.9999) and (*f / actual_freq < 1.0001)){
+                if(verbose) std::cout << boost::format("\nRX frequency successfully tuned to %s.") % return_MHz_string(*f) << std::endl;
+            }
+            else{
+                if(verbose) std::cout << boost::format("\nRX frequency tuned to %s instead of %s.") % return_MHz_string(actual_freq) % return_MHz_string(*f) << std::endl;
+                bad_tune_freqs.push_back(*f);
+            }
+        }
+
+        //Testing for successful lock
+
+        if(has_sensor){
+            if(ref == "internal"){
+                if(usrp->get_rx_sensor("lo_locked",0).to_bool()){
+                    if(verbose) std::cout << boost::format("LO successfully locked at RX frequency %s.") % return_MHz_string(*f) << std::endl;
+                }
+                else{
+                    if(verbose) std::cout << boost::format("LO did not successfully lock at RX frequency %s.") % return_MHz_string(*f) << std::endl;
+                    no_lock_freqs.push_back(*f);
+                }
+            }
+            else if(ref == "external"){
+                if(usrp->get_mboard_sensor("ref_locked",0).to_bool()){
+                    if(verbose) std::cout << boost::format("REF successfully locked at RX frequency %s.") % return_MHz_string(*f) << std::endl;
+                }
+                else{
+                    if(verbose) std::cout << boost::format("REF did not successfully lock at RX frequency %s.") % return_MHz_string(*f) << std::endl;
+                    no_lock_freqs.push_back(*f);
+                }
+            }
+            else if(ref == "mimo"){
+                if(usrp->get_mboard_sensor("mimo_locked",0).to_bool()){
+                    if(verbose) std::cout << boost::format("MIMO successfully locked at RX frequency %s.") % return_MHz_string(*f) << std::endl;
+                }
+                else{
+                    if(verbose) std::cout << boost::format("MIMO did not successfully lock at RX frequency %s.") % return_MHz_string(*f) << std::endl;
+                    no_lock_freqs.push_back(*f);
+                }
+            }
+        }
+
+        if(test_gain){
+
+            //Testing for successful gain tune
+
+            for(std::vector<double>::iterator g = gains.begin(); g != gains.end(); ++g){
+                usrp->set_rx_gain(*g);
+                boost::this_thread::sleep(boost::posix_time::microseconds(1000));
+
+                double actual_gain = usrp->get_rx_gain();
+
+                if(*g == 0.0){
+                    if(actual_gain == 0.0){
+                        if(verbose) std::cout << boost::format("RX gain successfully set to %5.2f at RX frequency %s.") % *g % return_MHz_string(*f) << std::endl;
+                    }
+                    else{
+                        if(verbose) std::cout << boost::format("RX gain set to %5.2f instead of %5.2f at RX frequency %s.") % actual_gain % *g % return_MHz_string(*f) << std::endl;
+                        std::vector<double> bad_gain_freq;
+                        bad_gain_freq.push_back(*f);
+                        bad_gain_freq.push_back(*g);
+                        bad_gain_vals.push_back(bad_gain_freq);
+                    }
+                }
+                else{
+                    if((*g / actual_gain) > 0.9 and (*g / actual_gain) < 1.1){
+                        if(verbose) std::cout << boost::format("RX gain successfully set to %5.2f at RX frequency %s.") % *g % return_MHz_string(*f) << std::endl;
+                    }
+                    else{
+                        if(verbose) std::cout << boost::format("RX gain set to %5.2f instead of %5.2f at RX frequency %s.") % actual_gain % *g % return_MHz_string(*f) << std::endl;
+                        std::vector<double> bad_gain_freq;
+                        bad_gain_freq.push_back(*f);
+                        bad_gain_freq.push_back(*g);
+                        bad_gain_vals.push_back(bad_gain_freq);
+                    }
+                }
+            }
+        }
+    }
+
+    std::string rx_results = "RX Summary:\n";
+    if(usrp->get_usrp_rx_info().get("rx_subdev_name") == "XCVR2450 RX"){
+        rx_results += std::string(str(boost::format("Frequency Range: %s - %s, %s - %s\n") % return_MHz_string(xcvr_freqs.at(0)) % return_MHz_string(xcvr_freqs.at(1)) %
+            return_MHz_string(xcvr_freqs.at(2)) % return_MHz_string(xcvr_freqs.at(3))));
+    }
+    else rx_results += std::string(str(boost::format("Frequency Range: %s - %s\n") % return_MHz_string(freqs.front()) % return_MHz_string(freqs.back())));
+    if(test_gain) rx_results += std::string(str(boost::format("Gain Range: %5.2f - %5.2f\n") % gains.front() % gains.back()));
+
+    if(bad_tune_freqs.empty()) rx_results += "USRP successfully tuned to all frequencies.";
+    else{
+        rx_results += "USRP did not successfully tune to the following frequencies: ";
+        for(std::vector<double>::iterator i = bad_tune_freqs.begin(); i != bad_tune_freqs.end(); ++i){
+            if(i != bad_tune_freqs.begin()) rx_results += ", ";
+            rx_results += return_MHz_string(*i);
+        }
+    }
+    if(has_sensor){
+
+        std::string sensor_str;
+        if(ref == "internal") sensor_str = "LO";
+        else if(ref == "external") sensor_str = "REF";
+        else if(ref == "mimo") sensor_str = "MIMO";
+
+        rx_results += "\n";
+        if(no_lock_freqs.empty()) rx_results += std::string(str(boost::format("%s successfully locked at all frequencies.") % sensor_str));
+        else{
+            rx_results += std::string(str(boost::format("%s did not successfully lock at the following frequencies: ") % sensor_str));
+            for(std::vector<double>::iterator i = no_lock_freqs.begin(); i != no_lock_freqs.end(); ++i){
+                if( i != no_lock_freqs.begin()) rx_results += ", ";
+                rx_results += return_MHz_string(*i);
+            }
+        }
+    }
+    if(test_gain){
+        rx_results += "\n";
+        if(bad_gain_vals.empty()) rx_results += "USRP successfully set all specified gain values at all frequencies.";
+        else{
+            rx_results += "USRP did not successfully set gain under the following circumstances:";
+            for(std::vector< std::vector<double> >::iterator i = bad_gain_vals.begin(); i != bad_gain_vals.end(); ++i){
+                std::vector<double> bad_pair = *i;
+                double bad_freq = bad_pair.front();
+                double bad_gain = bad_pair.back();
+                rx_results += std::string(str(boost::format("\nFrequency: %s, Gain: %5.2f") % return_MHz_string(bad_freq) % bad_gain));
+            }
+        }
+    }
+
+    return rx_results;
+}
+
+/************************************************************************
+ * Initial Setup
+************************************************************************/
+
+int UHD_SAFE_MAIN(int argc, char *argv[]){
+
+    //Variables
+    std::string args;
+    double gain_step;
+    std::string ref;
+    std::string tx_results;
+    std::string rx_results;
+    std::string usrp_config;
+
+    //Set up the program options
+    po::options_description desc("Allowed Options");
+    desc.add_options()
+        ("help", "help message")
+        ("args", po::value<std::string>(&args)->default_value(""), "Specify the UHD device")
+        ("gain_step", po::value<double>(&gain_step)->default_value(1.0), "Specify the delta between gain scans")
+        ("tx", "Specify to test TX frequency and gain coercion")
+        ("rx", "Specify to test RX frequency and gain coercion")
+        ("ref", po::value<std::string>(&ref)->default_value("internal"), "Test for lock with internal, external, or mimo")
+        ("no_tx_gain", "Do not test TX gain")
+        ("no_rx_gain", "Do not test RX gain")
+        ("verbose", "Output every frequency and gain check instead of just final summary")
+    ;
+    po::variables_map vm;
+    po::store(po::parse_command_line(argc, argv, desc), vm);
+    po::notify(vm);
+
+    //Create a USRP device
+    std::cout << std::endl;
+    uhd::device_addrs_t device_addrs = uhd::device::find(args);
+    std::cout << boost::format("Creating the USRP device with: %s...") % args << std::endl;
+    uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(args);
+    std::cout << std::endl << boost::format("Using Device: %s") % usrp->get_pp_string() << std::endl;
+    usrp->set_tx_rate(1e6);
+    usrp->set_rx_rate(1e6);
+
+    //Boolean variables based on command line input
+    bool test_tx = vm.count("tx") > 0;
+    bool test_rx = vm.count("rx") > 0;
+    bool test_tx_gain = !(vm.count("no_tx_gain") > 0) and (usrp->get_tx_gain_range().stop() > 0);
+    bool test_rx_gain = !(vm.count("no_rx_gain") > 0) and (usrp->get_rx_gain_range().stop() > 0);
+    bool verbose = vm.count("verbose") > 0;
+
+    //Help messages, errors
+    if(vm.count("help") > 0){
+        std::cout << "UHD Daughterboard Coercion Test\n"
+                     "This program tests your USRP daughterboard(s) to\n"
+                     "make sure that they can successfully tune to all\n"
+                     "frequencies and gains in their advertised ranges.\n\n";
+        std::cout << desc << std::endl;
+        return ~0;
+    }
+
+    if(ref != "internal" and ref != "external" and ref != "mimo"){
+        std::cout << desc << std::endl;
+        std::cout << "REF must equal internal, external, or mimo." << std::endl;
+        return ~0;
+    }
+ 
+    if(vm.count("tx") + vm.count("rx") == 0){
+        std::cout << desc << std::endl;
+        std::cout << "Specify --tx to test for TX frequency coercion\n"
+                     "Specify --rx to test for RX frequency coercion\n";
+        return ~0;
+    }
+
+    if(test_rx and usrp->get_usrp_rx_info().get("rx_id") == "Basic RX (0x0001)"){
+        std::cout << desc << std::endl;
+        std::cout << "This test does not work with the Basic RX daughterboard." << std::endl;
+        return ~0;
+    }
+    else if(test_rx and usrp->get_usrp_rx_info().get("rx_id") == "Unknown (0xffff)"){
+        std::cout << desc << std::endl;
+        std::cout << "This daughterboard is unrecognized, or there is no RX daughterboard." << std::endl;
+        return ~0;
+    }
+
+    if(test_tx and usrp->get_usrp_tx_info().get("tx_id") == "Basic TX (0x0000)"){
+        std::cout << desc << std::endl;
+        std::cout << "This test does not work with the Basic TX daughterboard." << std::endl;
+        return ~0;
+    }
+    else if(test_tx and usrp->get_usrp_tx_info().get("tx_id") == "Unknown (0xffff)"){
+        std::cout << desc << std::endl;
+        std::cout << "This daughterboard is unrecognized, or there is no TX daughterboard." << std::endl;
+        return ~0;
+    }
+
+    usrp_config = return_USRP_config_string(usrp, test_tx, test_rx);
+    if(test_tx) tx_results = tx_test(usrp, test_tx_gain, ref, verbose);
+    if(test_rx) rx_results = rx_test(usrp, test_rx_gain, ref, verbose);
+
+    if(verbose) std::cout << std::endl;
+    std::cout << usrp_config << std::endl << std::endl;
+    if(test_tx) std::cout << tx_results << std::endl;
+    if(test_tx and test_rx) std::cout << std::endl;
+    if(test_rx) std::cout << rx_results << std::endl;
+
+    return 0;
+}