Merge pull request #41 from jacquelinegarrahan/initial_put

Fixes for inital put on default
slaclab · Aug 27, 2020 · 0e7be81 · 0e7be81
2 parents 1e9b15a + cb20e65
commit 0e7be81
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lume_epics/client/controller.py b/lume_epics/client/controller.py
@@ -238,6 +238,9 @@ def put(self, pvname, value: Union[np.ndarray, float], timeout=1.0) -> None:
         """
         self.setup_pv_monitor(pvname)
 
+        # allow no puts before a value has been collected
+        registered = self.get(pvname)
+
         # if the value is registered
         if registered is not None:
             if self.protocol == "ca":