Examples: Set refs in RFNoC examples

1 files changed, 21 insertions, 0 deletions

diff --git a/host/examples/rfnoc_radio_loopback.cpp b/host/examples/rfnoc_radio_loopback.cpp
index 848f9c4da..92046eebc 100644
--- a/host/examples/rfnoc_radio_loopback.cpp
+++ b/host/examples/rfnoc_radio_loopback.cpp
@@ -111,47 +111,68 @@ int UHD_SAFE_MAIN(int argc, char* argv[])
     // Configure Rx radio
     std::cout << "Configuring Rx radio..." << std::endl;
     rx_radio_ctrl->set_args(rx_args);
+
+    // Lock mboard clocks 
+    if (vm.count("ref")) {
+        rx_radio_ctrl->set_clock_source(ref);
+    }
+    
     if (spp) {
         rx_radio_ctrl->set_arg<int>("spp", spp, rx_chan);
     }
+
     std::cout << "Setting Rx rate: " << (rate / 1e6) << " Msps" << std::endl;
     double actual_rx_rate = rx_radio_ctrl->set_rate(rate);
     std::cout << "Actual  Rx rate: " << (actual_rx_rate / 1e6) << " Msps" << std::endl;
+
     std::cout << "Setting Rx frequency: " << (rx_freq / 1e6) << " MHz." << std::endl;
     std::cout << "Actual  Rx frequency: "
               << (rx_radio_ctrl->set_rx_frequency(rx_freq, rx_chan) / 1e6) << " MHz."
               << std::endl;
+    
     if (rx_gain) {
         std::cout << "Setting Rx gain: " << (rx_gain) << " dB." << std::endl;
         std::cout << "Actual  Rx gain: " << (rx_radio_ctrl->set_rx_gain(rx_gain, rx_chan))
                   << " dB." << std::endl;
     }
+    
     if (not rx_ant.empty()) {
         std::cout << "Setting Rx antenna: " << (rx_ant) << "." << std::endl;
         rx_radio_ctrl->set_rx_antenna(rx_ant, rx_chan);
         std::cout << "Actual  Rx antenna: " << rx_radio_ctrl->get_rx_antenna(rx_chan)
                   << "." << std::endl;
     }
+    
     if (!rx_timestamps) {
         std::cout << "Disabling timestamps on RX... (direct loopback, may underrun)"
                   << std::endl;
     }
     rx_radio_ctrl->enable_rx_timestamps(rx_timestamps, 0);
+
     // Configure Tx radio
     std::cout << "Configuring Tx radio..." << std::endl;
     tx_radio_ctrl->set_args(tx_args);
+
+    // Lock mboard clocks 
+    if (vm.count("ref")) {
+        tx_radio_ctrl->set_clock_source(ref);
+    }
+    
     std::cout << "Setting Tx rate: " << (rate / 1e6) << " Msps" << std::endl;
     double actual_tx_rate = tx_radio_ctrl->set_rate(rate);
     std::cout << "Actual  Tx rate: " << (actual_tx_rate / 1e6) << " Msps" << std::endl;
+    
     std::cout << "Setting Tx frequency: " << (tx_freq / 1e6) << " MHz." << std::endl;
     std::cout << "Actual  Tx frequency: "
               << (tx_radio_ctrl->set_tx_frequency(tx_freq, tx_chan) / 1e6) << " MHz."
               << std::endl;
+    
     if (tx_gain) {
         std::cout << "Setting Tx gain: " << (tx_gain) << " dB." << std::endl;
         std::cout << "Actual  Tx gain: " << (tx_radio_ctrl->set_tx_gain(tx_gain, tx_chan))
                   << " dB." << std::endl;
     }
+    
     if (not tx_ant.empty()) {
         std::cout << "Setting Tx antenna: " << (tx_ant) << "." << std::endl;
         tx_radio_ctrl->set_tx_antenna(tx_ant, tx_chan);