Adding an adjustable instance which combines a set of normal pvadjustables to a new adjustable class PVCombiAdjustable

ext/__init__.py

@@ -2,3 +2,4 @@ from .magnet import Magnet
 from .camacquisition import CamAcquisition
 from .counteradjustable import CounterAdjustable
 from .bscacquisition import BSCAcquisition
+from .pvcombiadjustable import PVCombiAdjustable

ext/pvcombiadjustable.py

@@ -0,0 +1,52 @@
+from slic.core.adjustable import Adjustable
+
+class PVCombiAdjustable(Adjustable):
+    def __init__(self, adjustables,values):
+        self.adjustables = adjustables
+        self.values = values  # array or indiviual array values
+        self.process_time = np.max(np.array([adj.process_time for adj in self.adjustables]))
+
+    def set_target_value(self, value):        
+        intval = int(value)
+        if intval < 0 or intval >= len(self.values[0]):
+            tname = typename(self)
+            raise AdjustableError(f"Outside of array bounds for {tname} \"{self.name}\" to set target values")
+        
+        for adj in self.adjustables:
+            adj._wait_for_ready()
+
+        for i,adj in enumerate(self.adjustables):
+            val=self.values[i,intval]
+            ret = adj.pvs.setvalue.put(val, wait=True, use_complete=True) # use_complete=True enables status in PV.put_complete
+            error = handle_put_return_value(ret)
+            if error is not None:
+                tname = typename(adj)
+                raise AdjustableError(f"changing {tname} \"{adj.name}\" to {val} {adj.units} failed due to {error}")
+
+        sleep(self.process_time)
+        
+        for adj in self.adjustables:
+            adj._wait_for_done()
+       
+    @property
+    def units(self):
+        [adj.units() for adj in self.adjustables]
+
+        
+    def get_current_value(self, readback=True):
+        return [adj.get_current_value(readback) for adj in self.adjustables]
+   
+    def stop(self):
+        for adj in self.adjustbale:
+            adj.stop()
+            
+    def is_moving(self):
+        return any([adj.is_moving() for adj in self.adjustables])
+            
+   
+
+
+
+        
+
+