handle reference undulator not answering

2025-01-28 17:36:31 +01:00
parent b10696c064
commit c4d05d83f4
1 changed files with 4 additions and 1 deletions
--- a/undulator.py
+++ b/undulator.py
@ -365,7 +365,10 @@ class ScalerEK:


 def get_machine_n_und_ref():
-    res = PVEnumAdjustable("SARUN:REF-UND").get()
+    adj = PVEnumAdjustable("SARUN:REF-UND")
+    res = adj.get()
+    if res is None:
+        return None
    if not res.startswith("SARUN"):
        return None
    n = len("SARUN")