e300: UHD support for refclk disciplining using PPS.

- Only supported value for clk_source is internal
- time_source automatically changes the disciplining pulse source
- Added ref_locked sensor

1 files changed, 15 insertions, 8 deletions

diff --git a/host/lib/usrp/e300/e300_impl.cpp b/host/lib/usrp/e300/e300_impl.cpp
index d04794947..c74ce9412 100644
--- a/host/lib/usrp/e300/e300_impl.cpp
+++ b/host/lib/usrp/e300/e300_impl.cpp
@@ -381,7 +381,7 @@ e300_impl::e300_impl(const uhd::device_addr_t &device_addr)
         } catch (std::exception &e) {
             UHD_MSG(error) << "An error occured making GPSDO control: " << e.what() << std::endl;
         }
-        _sensor_manager = e300_sensor_manager::make_local(_gps);
+        _sensor_manager = e300_sensor_manager::make_local(_gps, _global_regs);
     }
     UHD_MSG(status) << (_sensor_manager->get_gps_found() ? "found" : "not found")  << std::endl;
 
@@ -493,14 +493,15 @@ e300_impl::e300_impl(const uhd::device_addr_t &device_addr)
         .subscribe(boost::bind(&time_core_3000::set_time_next_pps, _radio_perifs[1].time64, _1));
     //setup time source props
     _tree->create<std::string>(mb_path / "time_source" / "value")
-        .subscribe(boost::bind(&e300_impl::_update_time_source, this, _1));
-    static const std::vector<std::string> time_sources = boost::assign::list_of("none")("external")("gpsdo");
+        .subscribe(boost::bind(&e300_impl::_update_time_source, this, _1))
+        .set("internal");
+    static const std::vector<std::string> time_sources = boost::assign::list_of("none")("internal")("external")("gpsdo");
     _tree->create<std::vector<std::string> >(mb_path / "time_source" / "options").set(time_sources);
     //setup reference source props
     _tree->create<std::string>(mb_path / "clock_source" / "value")
-        .subscribe(boost::bind(&e300_impl::_update_clock_source, this, _1));
-    static const std::vector<std::string> clock_sources = boost::assign::list_of("internal");
-    // not implemented ("external")("gpsdo");
+        .subscribe(boost::bind(&e300_impl::_update_clock_source, this, _1))
+        .set("internal");
+    static const std::vector<std::string> clock_sources = boost::assign::list_of("internal"); //external,gpsdo not supported
     _tree->create<std::vector<std::string> >(mb_path / "clock_source" / "options").set(clock_sources);
 
     ////////////////////////////////////////////////////////////////////
@@ -895,14 +896,20 @@ e300_impl::both_xports_t e300_impl::_make_transport(
     return xports;
 }
 
-void e300_impl::_update_clock_source(const std::string &)
+void e300_impl::_update_clock_source(const std::string &source)
 {
+    if (source != "internal") {
+        throw uhd::value_error(boost::str(
+            boost::format("Clock source option not supported: %s. The only value supported is \"internal\". " \
+                          "To discipline the internal oscillator, set the appropriate time source.") % source
+        ));
+    }
 }
 
 void e300_impl::_update_antenna_sel(const size_t &which, const std::string &ant)
 {
     if (ant != "TX/RX" and ant != "RX2")
-        throw uhd::value_error("e300: unknown RX antenna option: " + ant);
+        throw uhd::value_error("Unknown RX antenna option: " + ant);
     _radio_perifs[which].ant_rx2 = (ant == "RX2");
     this->_update_atrs();
 }