Devices: added samcam_auto function to switch between EPICs SAMCAM inbuilt auto exposure and manual exposure. Auto exposure is not good at low zooms

src/aare/daq/devices.py

@@ -193,6 +193,12 @@ class BeamlineDevices:
     def samcam_get_image(self, /, gray: bool = False) -> np.ndarray:
         return self.__sample_cam.get_image(gray=gray)
 
+    def samcam_auto(self, val: bool = False):
+        if val:
+            self.__sample_cam.set_auto()
+        else:
+            self.__sample_cam.set_manual()
+
 # Detector Z
     @property
     def dtz(self) -> float: