Started integrating into Microscope class

openflexure_microscope/microscope.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+import numpy as np
+
+from openflexure_stage import OpenFlexureStage
+from .camera.pi import StreamingCamera
+
+
+class Microscope(object):
+    def __init__(self, camera: StreamingCamera, stage: OpenFlexureStage):
+        """Create the microscope object.  The camera and stage should already be initialised."""
+        self.camera = camera
+        self.stage = stage
+        self.stage.backlash = np.zeros(3, dtype=np.int)
+
+    def __enter__(self):
+        """Create microscope on context enter."""
+        return self
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        """Close microscope on context exit."""
+        self.close()
+
+    def close(self):
+        """Shut down the microscope hardware."""
+        self.camera.close()
+        self.stage.close()