USRP1: implement MBOARD_PROP_CLOCK_CONFIG, only accepts internal

2 files changed, 11 insertions, 2 deletions

diff --git a/host/lib/usrp/usrp1/mboard_impl.cpp b/host/lib/usrp/usrp1/mboard_impl.cpp
index e9108e4f1..f699c8e12 100644
--- a/host/lib/usrp/usrp1/mboard_impl.cpp
+++ b/host/lib/usrp/usrp1/mboard_impl.cpp
@@ -295,7 +295,7 @@ void usrp1_impl::mboard_get(const wax::obj &key_, wax::obj &val)
         return;
 
     case MBOARD_PROP_CLOCK_CONFIG:
-        val = _clock_config;
+        val = clock_config_t::internal();
         return;
 
     case MBOARD_PROP_RX_SUBDEV_SPEC:
@@ -389,6 +389,16 @@ void usrp1_impl::mboard_set(const wax::obj &key, const wax::obj &val)
         _clock_ctrl->set_master_clock_freq(val.as<double>());
         return;
 
+    case MBOARD_PROP_CLOCK_CONFIG:{
+        clock_config_t clock_config = val.as<clock_config_t>();
+        if (clock_config.ref_source != clock_config_t::REF_INT){
+            throw uhd::value_error("USRP1 clock config: reference source must be set to internal");
+        }
+        if (clock_config.pps_source != clock_config_t::PPS_INT){
+            throw uhd::value_error("USRP1 clock config: PPS source must be set to internal");
+        }
+    }return;
+
     default: UHD_THROW_PROP_SET_ERROR();
     }
 }
diff --git a/host/lib/usrp/usrp1/usrp1_impl.hpp b/host/lib/usrp/usrp1/usrp1_impl.hpp
index 69ad9b0a0..a4d40a54d 100644
--- a/host/lib/usrp/usrp1/usrp1_impl.hpp
+++ b/host/lib/usrp/usrp1/usrp1_impl.hpp
@@ -136,7 +136,6 @@ private:
     uhd::otw_type_t _tx_otw_type;
 
     //configuration shadows
-    uhd::clock_config_t _clock_config;
     uhd::usrp::subdev_spec_t _rx_subdev_spec, _tx_subdev_spec;
 
     //clock control