Restructure

src/aare/daq/daq.py

@@ -1267,7 +1267,7 @@ class AareDAQ:
         det_cfg = self.__jfjoch.detector()
         return DiffractionGeometry(
             energy_keV=self.__devs.energy_kev,
-            dtz_mm=self.__devs.dtz.value,
+            dtz_mm=self.__devs.dtz,
             detector_size_pxl=(det_cfg.width, det_cfg.height),
             pixel_size_mm=det_cfg.pixel_size_mm,
             beam_center_pxl=self.__cfg.beam_center,
@@ -1284,7 +1284,7 @@ class AareDAQ:
             light=self.light,
             cryojet_K=self.__devs.cryojet_temp,
             shutter_open=self.__devs.shutter,
-            exp_shutter_open=self.__devs.exp_shutter.state(),
+            exp_shutter_open=self.__devs.shutter,
             flux_ph_s=self.__devs.full_flux,
             sample_camera=self.__devs.samcam_settings,
             name=self.__bl,

src/aare/daq/devices.py

@@ -27,6 +27,17 @@ class BeamlineDevices:
         self.__dtz = MyMotor(f"{BEAMLINE}-ES-DET:TRZ1")
         self.__sample_cam = epicsAD(f"{BEAMLINE}-SAMCAM:")
 
+# Transmission
+    @property
+    def transmission(self) -> float:
+        return 1.0
+    def set_transmission(self, value: float, /, wait: bool = True):
+        pass
+
+    @transmission.setter
+    def transmission(self, value: float):
+        self.set_transmission(value, wait=False)
+
 # Lamp light
     @property
     def lamp_light(self) -> float: