From 175539ec7cc5b9debdd5d892dfa4f103e97b82fa Mon Sep 17 00:00:00 2001
From: Sven Augustin <sven.augustin@psi.ch>
Date: Thu, 3 Dec 2020 20:04:38 +0100
Subject: [PATCH] added proper waiting for the start of the move

---
 slic/devices/general/smaract.py | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/slic/devices/general/smaract.py b/slic/devices/general/smaract.py
index 5b6746db..5d7fe0a5 100644
--- a/slic/devices/general/smaract.py
+++ b/slic/devices/general/smaract.py
@@ -68,12 +68,22 @@ class SmarActAxis(Adjustable):
         stopper = lambda: self.pvs.stop.put(1)
         return self._as_task(change, stopper=stopper, hold=hold)
 
-    def _move(self, value, checktime=0.1):
+
+    def _move(self, value, checktime=0.1, timeout=60):
+        timeout += time.time()
+
         self.pvs.drive.put(value)
-        time.sleep(checktime)
+
+        while not self.is_moving():
+            time.sleep(checktime)
+            if time.time() >= timeout:
+                tname = typename(self)
+                raise SmarActError(f"starting to move {tname} \"{self.name}\" to {value} {self.units} timed out")
+
         while self.is_moving():
             time.sleep(checktime)
 
+
     def is_moving(self):
         """
         0 : Stopped