print name of undulator if it arrives; changed the undulator K accuracy

devices/undulator.py

@@ -88,7 +88,7 @@ class Undulators(Adjustable):
 
         def change():
             #TODO: replace by set_all_target_values_and_wait when print not needed anymore
-            tasks = []
+            tasks = {}
             for (name, a), k_old, k_new in zip(self.adjs.items(), ks_current, ks_target):
                 delta = k_old - k_new
                 print(f"{name}: {k_old}\t->\t{k_new}\t({delta})")
@@ -96,8 +96,14 @@ class Undulators(Adjustable):
                     print(f"{name} skipped since target K is nan")
                     continue
                 t = a.set_target_value(k_new, hold=False)
-                tasks.append(t)
-            wait_for_all(tasks)
+                tasks[name] = t
+#            wait_for_all(tasks)
+            for n, t in tasks.items():
+                print("waiting for    ", n)
+                t.wait()
+                print("target reached ", n)
+
+            print("starting radial motors")
 
             # make sure new K values have been written TODO: needed?
             sleep(2) # check if this can be shortened back to 0.5
@@ -156,7 +162,7 @@ class Undulators(Adjustable):
 
 class Undulator(PVAdjustable):
 
-    def __init__(self, name, accuracy=0.0005):
+    def __init__(self, name, accuracy=0.1):
         pvname_setvalue = name + ":K_SET"
         pvname_readback = name + ":K_READ"
         super().__init__(pvname_setvalue, pvname_readback=pvname_readback, accuracy=accuracy, active_move=True, name=name, internal=True)