added tool for capstop calibration

csaxs_bec/bec_ipython_client/plugins/LamNI/lamni.py

@@ -27,6 +27,7 @@ if builtins.__dict__.get("bec") is not None:
     bec = builtins.__dict__.get("bec")
     dev = builtins.__dict__.get("dev")
     umv = builtins.__dict__.get("umv")
+    mv = builtins.__dict__.get("mv")
     umvr = builtins.__dict__.get("umvr")
 
 
@@ -908,4 +909,41 @@ class LamNI(LamNIOpticsMixin, LamniGuiTools):
         msg.add_file(logo_path).add_text("".join(content).replace("\n", "</p><p>")).add_tag(
             ["BEC", "tomo_parameters", f"dataset_id_{dataset_id}", "LamNI", self.sample_name]
         )
-        self.client.logbook.send_logbook_message(msg)
+        self.client.logbook.send_logbook_message(msg)
+
+
+    def get_calibration_of_capstops_left_and_right(self):
+        import time
+        print("""
+              Manual on how to center the Piezo stage first.
+              To obtain the center voltages one can move in closed loop to the interferometer
+              vertically and observe the capacitive readback signal. Check the limits of the
+              travel, move to center and obtain the required centering voltage.
+              Example: At 0 deg, accessible rty -60 to 51. So the init was 5 microns off.
+              Then this routine here will provide data for the new capstop left and right.
+              """)
+        
+        angle = 0
+        umv(dev.lsamrot,0)
+        print("Capstop right\nAngle, Voltage1, Voltage2")
+        mv(dev.lsamrot,361)
+        while angle <= 360:
+            angle = dev.lsamrot.readback.get()
+            voltage1=float(dev.lsamrot.controller.socket_put_and_receive("MG@AN[1]"))
+            voltage2=float(dev.lsamrot.controller.socket_put_and_receive("MG@AN[2]"))
+            if angle<360:
+                print(f"{angle},{voltage1},{voltage2}")
+            time.sleep(.3)
+
+        time.sleep(10)
+        print("\nCapstop left\nAngle, Voltage1, Voltage2")
+        mv(dev.lsamrot,-1)
+        while angle > 0:
+            angle = dev.lsamrot.readback.get()
+            voltage1=float(dev.lsamrot.controller.socket_put_and_receive("MG@AN[1]"))
+            voltage2=float(dev.lsamrot.controller.socket_put_and_receive("MG@AN[2]"))
+            if angle>0:
+                print(f"{angle},{voltage1},{voltage2}")
+            time.sleep(.3)
+
+        print("Finished")