Check if error returned for macroIcAddresses

DiamondLightSource · Nov 27, 2024 · b60a067 · b60a067
1 parent 664b745
commit b60a067
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/dls_pmaclib/dls_pmacremote.py b/src/dls_pmaclib/dls_pmacremote.py
@@ -303,6 +303,9 @@ def _getNumberOfMacroStationAxes(self):
                 f"($0 means not present)"
             )
         controllableAxesCount = 0
+        # Check if an error is returned instead of 4 element array
+        if len(macroIcAddresses) != 4:
+            return controllableAxesCount
         for i in range(4):
             if macroIcAddresses[i] != "$0":
                 controllableAxesCount += 8