DAQ: devices - added zoom get and set methods

src/aare/daq/devices.py

@@ -27,8 +27,9 @@ class BeamlineDevices:
         self.__ring_current_pv = PV(f"ARS07-DPCT-0100:CURR")
         self.__dtz = MyMotor(f"{BEAMLINE}-ES-DET:TRZ")
         self.__sample_cam = epicsAD(f"{BEAMLINE}-SAMCAM:")
-        self.__back_light = EnumPv(f"{BEAMLINE}-ES-BL")
-        self.__zoom = PV("{BEAMLINE}-ES-SAMCAM:ZOOM")
+        self.__back_light = PV(f"{BEAMLINE}-ES-BL")
+        self.__zoom_set = PV(f"{BEAMLINE}-ES-SAMCAM:ZOOM.VAL")
+        self.__zoom_get = PV(f"{BEAMLINE}-ES-SAMCAM:ZOOM.RBV")
         self.__aerotech = aerotech.AerotechControllerEpics(beamline)
 
 # Transmission
@@ -54,14 +55,14 @@ class BeamlineDevices:
 # Zoom
     @property
     def zoom(self) -> float:
-        return self.__zoom.get()
+        return self.__zoom_get.get()
 
     @zoom.setter
     def zoom(self, value: float):
         self.set_zoom(value, wait=False)
 
     def set_zoom(self, value: float, /, wait: bool = True):
-        self.__zoom.put(value, wait=wait)
+        self.__zoom_set.put(value, wait=wait)
 
 # Collimator
     @property