Mods for July beamtime

tth.py

@@ -0,0 +1,57 @@
+from time import sleep
+import numpy as np
+from epics import PV
+
+from logzero import logger as log
+
+from slic.core.adjustable import Adjustable
+from slic.core.adjustable import PVAdjustable
+from slic.core.scanner.scanbackend import wait_for_all #, stop_all
+from slic.devices.general.motor import Motor
+
+
+class LakeShore(Adjustable):
+    
+    def __init__(self, ID="Temp", units="T", accuracy=0,  name="" ):
+         super().__init__(ID, name=name, units=units)
+         self.SP_RBV_T=PVAdjustable("SATES30-LS336:LOOP1_SP", "SATES30-LS336:A_RBV", name = "Temp")
+         self.accuracy=accuracy
+
+    def set_target_value(self, value):
+         t_T= self.SP_RBV_T.set_target_value(value)
+         t_T.wait()
+
+    def get_current_value(self):
+        return self.SP_RBV_T.get_current_value()
+   
+    def is_moving(self):
+         delta = abs(self.SP_RBV_T.pvs.setvalue.get() - self.SP_RBV_T.pvs.readback.get() )
+         return (delta > self.accuracy)
+
+  
+
+         
+
+
+
+
+class Coupled_tth(Adjustable):
+     
+    
+    def __init__(self, ID="tth", units="deg", delta=0, name="" ):
+         super().__init__(ID, name=name, units=units)
+         self.SRY = Motor("SATES30-RIXS:MOT_SRY.VAL")
+         self.DRY = Motor("SATES30-RIXS:MOT_DRY.VAL")
+         self.delta = delta
+
+    def set_target_value(self, value):
+         s_SRY = 90 - value  + self.delta
+         s_DRY = -2*value
+         t_SRY = self.SRY.set_target_value(s_SRY)
+         t_DRY = self.DRY.set_target_value(s_DRY)
+         t_SRY.wait()
+         t_DRY.wait()
+    def get_current_value(self):
+         return self.DRY.get_current_value()*(-.5)
+    def is_moving(self):
+         return any([self.SRY.is_moving(),self.DRY.is_moving()])