Tested monochromator virtual axes

.gitignore

@@ -5,4 +5,6 @@
 .DS_Store
 **/out
 **/.vscode
-**/.pytest_cache
+**/.pytest_cache
+*.egg-info
+

ophyd_devices/epics/db/x12sa_database.yml

@@ -145,97 +145,7 @@ fi3try:
   deviceGroup: beamlineMotor
   status: {enabled: true}
   type: EpicsMotor
-motry:
-  desc: 'OpticsHutch optical table vertical movement'
-  acquisition: {schedule: sync}
-  config: {name: motry, prefix: 'X12SA-OP-OT:TRY'}
-  deviceGroup: beamlineMotor
-  status: {enabled: true}
-  type: EpicsMotor
-motrz1:
-  desc: 'Monochromator crystal 1 axial movement'
-  acquisition: {schedule: sync}
-  config: {name: motrz1, prefix: 'X12SA-OP-MO:TRZ1'}
-  deviceGroup: beamlineMotor
-  status: {enabled: true}
-  type: EpicsMotor
-motrz1e:
-  desc: 'Monochromator crystal 1 axial movement encoder'
-  acquisition: {schedule: sync}
-  config: {name: motrz1e, read_pv: 'X12SA-OP-MO:ECZ1'}
-  deviceGroup: monitor
-  status: {enabled: true}
-  type: EpicsSignalRO
-mopush1:
-  desc: 'Monochromator crystal 1 angle'
-  acquisition: {schedule: sync}
-  config: {name: mopush1, read_pv: 'X12SA-OP-MO:ROX1'}
-  deviceGroup: monitor
-  status: {enabled: true}
-  type: EpicsSignalRO
-moth1e:
-  desc: 'Monochromator crystal 1 theta encoder'
-  acquisition: {schedule: sync}
-  config: {name: moth1e, read_pv: 'X12SA-OP-MO:ECX1'}
-  deviceGroup: monitor
-  status: {enabled: true}
-  type: EpicsSignalRO
-moroll1:
-  desc: 'Monochromator crystal 1 roll'
-  acquisition: {schedule: sync}
-  config: {name: moroll1, prefix: 'X12SA-OP-MO:ROZ1'}
-  deviceGroup: beamlineMotor
-  status: {enabled: true}
-  type: EpicsMotor
-motrx2:
-  desc: 'Monochromator crystal 2 horizontal movement'
-  acquisition: {schedule: sync}
-  config: {name: motrx2, prefix: 'X12SA-OP-MO:TRX2'}
-  deviceGroup: beamlineMotor
-  status: {enabled: true}
-  type: EpicsMotor
-motry2:
-  desc: 'Monochromator crystal 2 vertical movement'
-  acquisition: {schedule: sync}
-  config: {name: motry2, prefix: 'X12SA-OP-MO:TRY2'}
-  deviceGroup: beamlineMotor
-  status: {enabled: true}
-  type: EpicsMotor
-mopush2:
-  desc: 'Monochromator crystal 2 angle'
-  acquisition: {schedule: sync}
-  config: {name: mopush2, read_pv: 'X12SA-OP-MO:ROX2.VAL'}
-  deviceGroup: monitor
-  status: {enabled: true}
-  type: EpicsSignalRO
-moth2e:
-  desc: 'Monochromator crystal 2 theta encoder'
-  acquisition: {schedule: sync}
-  config: {name: moth2e, read_pv: 'X12SA-OP-MO:ECX2'}
-  deviceGroup: monitor
-  status: {enabled: true}
-  type: EpicsSignalRO
-#monot:
-#  desc: 'Monochromator temperature'
-#  acquisition: {schedule: sync}
-#  config: {name: monot, read_pv: 'X12SA-OP-MO:TC3'}
-#  deviceGroup: monitor
-#  status: {enabled: true}
-#  type: EpicsSignalRO
-moyaw2:
-  desc: 'Monochromator crystal 2 yaw movement'
-  acquisition: {schedule: sync}
-  config: {name: moyaw2, prefix: 'X12SA-OP-MO:ROY2'}
-  deviceGroup: beamlineMotor
-  status: {enabled: true}
-  type: EpicsMotor
-moroll2:
-  desc: 'Monochromator crystal 2 roll movement'
-  acquisition: {schedule: sync}
-  config: {name: moroll2, prefix: 'X12SA-OP-MO:ROZ2'}
-  deviceGroup: beamlineMotor
-  status: {enabled: true}
-  type: EpicsMotor
+
 mobdai:
   desc: 'Monochromator bender inner motor'
   acquisition: {schedule: sync}
@@ -913,28 +823,122 @@ stroz:
   deviceGroup: beamlineMotor
   status: {enabled: true}
   type: GirderMotorROLL
-mokev:
-  desc: 'Monochromator energy in keV'
+motry:
+  desc: 'OpticsHutch optical table vertical movement'
   acquisition: {schedule: sync}
-  config: {name: mokev, read_pv: 'X12SA-OP-MO:ROX2.VAL'}
+  config: {name: motry, prefix: 'X12SA-OP-OT:TRY'}
+  deviceGroup: beamlineMotor
+  status: {enabled: true}
+  type: EpicsMotor
+motrz1:
+  desc: 'Monochromator crystal 1 axial movement'
+  acquisition: {schedule: sync}
+  config: {name: motrz1, prefix: 'X12SA-OP-MO:TRZ1'}
+  deviceGroup: beamlineMotor
+  status: {enabled: true}
+  type: EpicsMotor
+motrz1e:
+  desc: 'Monochromator crystal 1 axial movement encoder'
+  acquisition: {schedule: sync}
+  config: {name: motrz1e, read_pv: 'X12SA-OP-MO:ECZ1'}
   deviceGroup: monitor
   status: {enabled: true}
-  type: EnergyKev
+  type: EpicsSignalRO
+
+
+moroll1:
+  desc: 'Monochromator crystal 1 roll'
+  acquisition: {schedule: sync}
+  config: {name: moroll1, prefix: 'X12SA-OP-MO:ROZ1'}
+  deviceGroup: beamlineMotor
+  status: {enabled: true}
+  type: EpicsMotor
+motrx2:
+  desc: 'Monochromator crystal 2 horizontal movement'
+  acquisition: {schedule: sync}
+  config: {name: motrx2, prefix: 'X12SA-OP-MO:TRX2'}
+  deviceGroup: beamlineMotor
+  status: {enabled: true}
+  type: EpicsMotor
+motry2:
+  desc: 'Monochromator crystal 2 vertical movement'
+  acquisition: {schedule: sync}
+  config: {name: motry2, prefix: 'X12SA-OP-MO:TRY2'}
+  deviceGroup: beamlineMotor
+  status: {enabled: true}
+  type: EpicsMotor
+
+
+#monot:
+#  desc: 'Monochromator temperature'
+#  acquisition: {schedule: sync}
+#  config: {name: monot, read_pv: 'X12SA-OP-MO:TC3'}
+#  deviceGroup: monitor
+#  status: {enabled: true}
+#  type: EpicsSignalRO
+moyaw2:
+  desc: 'Monochromator crystal 2 yaw movement'
+  acquisition: {schedule: sync}
+  config: {name: moyaw2, prefix: 'X12SA-OP-MO:ROY2'}
+  deviceGroup: beamlineMotor
+  status: {enabled: true}
+  type: EpicsMotor
+moroll2:
+  desc: 'Monochromator crystal 2 roll movement'
+  acquisition: {schedule: sync}
+  config: {name: moroll2, prefix: 'X12SA-OP-MO:ROZ2'}
+  deviceGroup: beamlineMotor
+  status: {enabled: true}
+  type: EpicsMotor
+
+mopush1:
+  desc: 'Monochromator crystal 1 angle'
+  acquisition: {schedule: sync}
+  config: {name: mopush1, read_pv: 'X12SA-OP-MO:ROX1'}
+  deviceGroup: monitor
+  status: {enabled: true}
+  type: EpicsSignalRO
 moth1:
   desc: 'Monochromator Theta 1'
   acquisition: {schedule: sync}
-  config: {name: moth1, read_pv: 'X12SA-OP-MO:ECX1'}
+  config: {name: moth1, read_pv: 'X12SA-OP-MO:ROX1'}
   deviceGroup: monitor
   status: {enabled: true}
   type: MonoTheta1
+moth1e:
+  desc: 'Monochromator crystal 1 theta encoder'
+  acquisition: {schedule: sync}
+  config: {name: moth1e, read_pv: 'X12SA-OP-MO:ECX1'}
+  deviceGroup: monitor
+  status: {enabled: true}
+  type: EpicsSignalRO
+mopush2:
+  desc: 'Monochromator crystal 2 angle'
+  acquisition: {schedule: sync}
+  config: {name: mopush2, read_pv: 'X12SA-OP-MO:ROX2'}
+  deviceGroup: monitor
+  status: {enabled: true}
+  type: EpicsSignalRO
 moth2:
   desc: 'Monochromator Theta 2'
   acquisition: {schedule: sync}
-  config: {name: moth1, read_pv: 'X12SA-OP-MO:ECX2'}
+  config: {name: moth1, read_pv: 'X12SA-OP-MO:ROX2'}
   deviceGroup: monitor
   status: {enabled: true}
   type: MonoTheta2
-
-
+moth2e:
+  desc: 'Monochromator crystal 2 theta encoder'
+  acquisition: {schedule: sync}
+  config: {name: moth2e, read_pv: 'X12SA-OP-MO:ECX2'}
+  deviceGroup: monitor
+  status: {enabled: true}
+  type: EpicsSignalRO
+mokev:
+  desc: 'Monochromator energy in keV'
+  acquisition: {schedule: sync}
+  config: {name: mokev, read_pv: 'X12SA-OP-MO:ROX2'}
+  deviceGroup: monitor
+  status: {enabled: true}
+  type: EnergyKev
 
 

ophyd_devices/epics/devices/specMotors.py

@@ -130,7 +130,7 @@ class GirderMotorPITCH(PVPositioner):
     done = Component(EpicsSignal, ":M-DMOV", name="dmov")
 
 
-class VirtualSignalBase(EpicsSignalRO):
+class VirtualEpicsSignalRO(EpicsSignalRO):
     """This is a test class to create derives signals from one or 
     multiple original signals...
     """
@@ -141,13 +141,13 @@ class VirtualSignalBase(EpicsSignalRO):
         raw = super().get(*args, **kwargs)
         return self.calc(raw)
 
-    def describe(self):
-        val = self.get()
-        d = super().describe()
-        d[self.name]["dtype"] = data_type(val)
-        return d
+    #def describe(self):
+    #    val = self.get()
+    #    d = super().describe()
+    #    d[self.name]["dtype"] = data_type(val)
+    #    return d
 
-class MonoTheta1(VirtualSignalBase):
+class MonoTheta1(VirtualEpicsSignalRO):
     """Converts the pusher motor position to theta angle
     """
     _mono_a0_enc_scale1 = -1.0
@@ -159,7 +159,7 @@ class MonoTheta1(VirtualSignalBase):
         theta1 = self._mono_a0_enc_scale1 * asin( asin_arg ) / 3.141592 * 180.0 + self._mono_a3_enc_offs1
         return theta1
 
-class MonoTheta2(VirtualSignalBase):
+class MonoTheta2(VirtualEpicsSignalRO):
     """Converts the pusher motor position to theta angle
     """
     _mono_a3_enc_offs2 = -19.7072
@@ -172,14 +172,19 @@ class MonoTheta2(VirtualSignalBase):
         theta2 = self._mono_a0_enc_scale2 * asin( asin_arg ) / 3.141592 * 180.0 + self._mono_a3_enc_offs2
         return theta2
 
-class EnergyKev(VirtualSignalBase):
+class EnergyKev(VirtualEpicsSignalRO):
     """Converts the pusher motor position to energy in keV
     """
+    _mono_a3_enc_offs2 = -19.7072
+    _mono_a2_pusher_offs2 = 5.93905
+    _mono_a1_lever_length2 = 206.572
+    _mono_a0_enc_scale2 = -1.0
     _mono_hce = 12.39852066
     _mono_2d2 = 2*5.43102/sqrt(3)
     def calc(self, val):
-        theta_deg = atan(50 / val) / 2.0 * 180.0 / 3.141592
-        E_keV = -self._mono_hce / self._mono_2d2 / sin(theta_deg/180.0*3.14152)
+        asin_arg = (val - self._mono_a2_pusher_offs2) / self._mono_a1_lever_length2
+        theta2_deg = self._mono_a0_enc_scale2 * asin( asin_arg ) / 3.141592 * 180.0 + self._mono_a3_enc_offs2
+        E_keV = -self._mono_hce / self._mono_2d2 / sin(theta2_deg/180.0*3.14152)
         return E_keV