Startup

script/local.py

@@ -172,7 +172,10 @@ sim_energy = SimulatedEnergy()
 sim_energy_readback = SimulatedEnergyReadback()
 
 
-
+class beam_ok(ReadonlyRegisterBase):
+    def doRead(self):
+        return True
+add_device(beam_ok(), True)
 
 #Device utilities
 def integrate_image():
@@ -767,4 +770,45 @@ class DigitalInput(ReadonlyRegisterBase):
         return  False if (int(time.time()) %2 == 0 ) else True
 
 add_device(DigitalInput("di"),True)      
-di.polling=1000
+di.polling=1000
+
+
+
+###  Diffcalc
+GEOMETRY_PREFERENCE = "geometry"
+
+def get_geometry():
+    """
+    """
+    setting = get_setting(GEOMETRY_PREFERENCE)
+    if setting is None or (len(setting.strip()) == 0):
+        return None
+    return setting
+
+def set_geometry(value, apply = None):
+    """
+    """
+    if value is None or  (len(value.strip()) == 0):
+        set_setting(GEOMETRY_PREFERENCE, "" )
+        for name in "wavelength", "hkl_group", "h", "k", "l":
+            dev = get_device(name)
+            if dev is not None:
+                remove_device(dev)
+        return
+    filename = get_context().setup.expandPath("{script}/geometry/"+ str(value)+".py")
+    if not os.path.isfile(filename):
+        raise Exception("Invalid geometry file: " + value)
+    former = get_geometry()
+    if ((apply is None) and former != value) or (apply==True) :
+        set_setting(GEOMETRY_PREFERENCE, value )
+        run(filename)       
+
+def is_geometry_set():
+    return get_device("wavelength") is not None
+
+
+mu.moveAsync(0.0)
+eta.moveAsync(0.0)
+delta.moveAsync(45.0)
+gamma.moveAsync(0.0)
+energy.write(9.5)