mpm: mg: Add ref lock sensor

Note: The sensor API for this lives in n310, but it queries the dboards
for a ref lock status, which is now no longer a stub.

1 files changed, 15 insertions, 0 deletions

diff --git a/mpm/python/usrp_mpm/dboard_manager/magnesium.py b/mpm/python/usrp_mpm/dboard_manager/magnesium.py
index e1301b699..ae854ec81 100644
--- a/mpm/python/usrp_mpm/dboard_manager/magnesium.py
+++ b/mpm/python/usrp_mpm/dboard_manager/magnesium.py
@@ -753,6 +753,21 @@ class Magnesium(DboardManagerBase):
     ##########################################################################
     # Sensors
     ##########################################################################
+    def get_ref_lock(self):
+        """
+        Returns True if the LMK reference is locked.
+
+        Note: This does not return a sensor dict. The sensor API call is
+        in the motherboard class.
+        """
+        if self.lmk is None:
+            self.log.debug("LMK object not yet initialized, defaulting to " \
+                           "no ref locked!")
+            return False
+        lmk_lock_status = self.lmk.check_plls_locked()
+        self.log.trace("LMK lock status is: {}".format(lmk_lock_status))
+        return lmk_lock_status
+
     def get_lowband_lo_lock(self, which):
         """
         Return LO lock status (Boolean!) of the lowband LOs. 'which' must be