Added attocube module

attocube.py

@@ -0,0 +1,354 @@
+from re import S
+import time
+import subprocess
+from types import SimpleNamespace
+from enum import IntEnum
+from epics import ca
+
+
+# import slic
+from slic.core.adjustable import Adjustable, AdjustableError
+from slic.utils import typename
+from slic.utils.printing import printable_dict
+from slic.utils.hastyepics import get_pv as PV
+# from ..basedevice import BaseDevice
+from slic.core.device.basedevice import BaseDevice
+
+
+class AttocubeStage(BaseDevice):
+
+    def __init__(self, name=None, **axis_ids):
+        self.name = name
+        self.axis_ids = axis_ids
+
+        self.axes = {}
+        for ax_name, ax_id in axis_ids.items():
+            record_name = f"{name}: {ax_name}"
+            ax = AttocubeAxis(ax_id, name=record_name)
+            setattr(self, ax_name, ax)
+            self.axes[ax_name] = ax
+
+
+    def __repr__(self):
+        tname = typename(self)
+        name = self.name
+        head = f"{tname} \"{name}\""
+
+        to_print = {ax_name: ax.get_current_value() for ax_name, ax in self.axes.items()}
+        return printable_dict(to_print, head)
+
+
+
+class AttocubeAxis(Adjustable):
+
+    def __init__(self, ID, name=None, units=None, internal=False):
+        super().__init__(ID, name=name, units=units, internal=internal)
+
+        self.wait_time = 0.1
+        self.timeout = 60
+        self._move_requested = False
+
+        self.pvs = SimpleNamespace(
+            drive           = PV(ID + "-SET_TARGET"),
+            readback        = PV(ID + "-POS"),
+            amplitude       = PV(ID + "-AMPL_SET"),
+            amplitude_rb    = PV(ID + "-AMPL_RB"),
+            frequency       = PV(ID + "-FREQ_SET"),
+            frequency_rb    = PV(ID + "-FREQ_RB"),
+            moving_status   = PV(ID + "-MOVING"),
+            hlm             = PV(ID + ":HLM"),
+            llm             = PV(ID + ":LLM"),
+            set_pos         = PV(ID + ":SET_POS"),
+            stop            = PV(ID + "-STOP_AUTO_CMD"),
+            move            = PV(ID + "-MV_ABS_SET"),
+            stop_auto_cmd   = PV(ID + "-STOP_AUTO_CMD"),
+            target_tol_rb   = PV(ID + "-TARGET_RANGE"),
+            target_tol_set  = PV(ID + "-SET_TARGET_RANGE"),
+            target_reached  = PV(ID + "-TARGET_REACHED_RB"),
+            target_ground   = PV(ID + "-TARGET_GND_SET"),
+            output_enabled  = PV(ID + "-ENABLE_SET"),
+            twv             = PV(ID + ":TWV"),
+            units           = PV(ID + "-UNIT"),
+            output_RB       = PV(ID + "-ENABLE_RB"),
+        )
+
+    @property
+    def units(self):
+        units = self._units
+        if units is not None:
+            return units
+        return self.pvs.units.get()
+
+    @units.setter
+    def units(self, value):
+        self._units = value
+
+    def disable_output(self,verbose=True):
+        old_value = self.pvs.output_RB.value
+        self.pvs.output_enabled.put(0)
+        if verbose:
+            if old_value == 1:
+                print("Output has been disabled")
+            else:
+                print("Output has been off and stays that way")
+        
+    def enable_output(self,verbose=True):
+        old_value = self.pvs.output_RB.value
+        self.pvs.output_enabled.put(1)
+        if verbose:
+            if old_value == 0:
+                print("Output has been enabled")
+            else:
+                print("Output has been on and stays that way")
+
+    def get_ground_on_targert(self):
+        return self.pvs.target_ground.value
+
+    def get_amplitude(self,verbose=False):   
+        amplitude = self.pvs.amplitude_rb.value
+        if verbose:
+            print(f'Drive amplitude is {amplitude/1000} V')
+        return amplitude/1000
+
+    def set_amplitude(self,value,verbose=False,check=False):   
+        """Set drive amplitude for the axis in Volts. Add check=True for checking if it happened (takes 2s)."""
+        self.pvs.amplitude.put(value*1000)
+        if check:
+            time.sleep(2)
+            assert self.pvs.amplitude_rb.value == value*1000, 'drive amplitude readback does not match set value'
+        if verbose:
+            print(f'Drive amplitude is set to {value} V')    
+
+    def get_frequency(self,verbose=False):   
+        frequency = self.pvs.frequency_rb.value
+        if verbose:
+            print(f'Drive frequency is {frequency} V')
+        return frequency
+
+    def set_frequency(self,value,verbose=False,check=False):   
+        """Set drive frequency for the axis in Hz. Add check=True for checking if it happened (takes 2s)."""
+        self.pvs.frequency.put(value)
+        if check:
+            time.sleep(2)
+            assert self.pvs.frequency_rb.value == value, 'drive frequency readback does not match set value'
+        if verbose:
+            print(f'Drive frequency is set to {value} Hz')  
+    
+    def set_ground_on_target(self,value,verbose=True):
+        if value == True or value == 1:
+            self.pvs.target_ground.put(1)
+            if verbose:
+                print("grounding upon target arrival is now active")
+        elif value == False or value == 0:
+            self.pvs.target_ground.put(0)
+            if verbose:
+                print("grounding upon target arrival has been deactivated")
+        else:
+            raise AttocubeError(f"only true/false and 0/1 values are allowed, you entered value {value}")
+
+    def get_target_tolerance(self):
+        return self.pvs.target_tol_rb.value
+
+    def set_target_tolerance(self,value):
+        self.pvs.target_tol_set.put(value)
+        print(f"target tolerance set to {value} {self.pvs.units.char_value}")
+
+    def get_current_value(self, readback=True):
+        if readback:
+            return self.pvs.readback.get()
+        else:
+            return self.pvs.drive.get()
+
+    def set_target_value(self, value):
+        print(f"moving to {value}")
+        wait_time = self.wait_time
+        timeout = self.timeout + time.time()
+
+        self._move_requested = True
+        self.pvs.drive.put(value, wait=True)
+
+        # Move button must be pressed to make the move
+        self.set_move_allowed(True)
+
+        # wait for start
+        while self._move_requested and not self.is_moving():
+            time.sleep(wait_time)
+            if time.time() >= timeout:
+                tname = typename(self)
+                self.stop()
+                raise AttocubeError(f"starting to move {tname} \"{self.name}\" to {value} {self.pvs.units.char_value} timed out")
+
+        # wait for move done
+        while self._move_requested and self.is_moving():
+            if self.is_at_target(): # holding == arrived at target!
+                break
+            time.sleep(wait_time)
+
+        self._move_requested = False
+        print("move done")
+
+
+    def stop(self):
+        self._move_requested = False
+        self.pvs.stop.put(1, wait=True)
+
+    def is_output_on(self):
+        return self.pvs.output_RB.value == 1
+
+    def is_moving(self):
+        return self.pvs.moving_status.value == 1
+
+    def is_at_target(self):
+        return self.pvs.target_reached.value == 1
+    
+    def allow_move(self):
+        self.pvs.move.put(1, wait=True)
+
+    def forbid_move(self):
+        self.pvs.move.put(0, wait=True)
+
+    def set_move_allowed(self,value):
+        if value == True or value == 1:
+            self.pvs.move.put(1)    
+        elif value == False or value == 0:
+            self.pvs.move.put(0)
+        else:
+            raise AttocubeError(f"only true/false and 0/1 values are allowed, you entered value {value}")
+
+    def within_epics_limits(self, val):
+        low, high = self.get_epics_limits()
+        return low <= val <= high
+
+    def get_epics_limits(self):
+        low  = self.pvs.llm.get()
+        high = self.pvs.hlm.get()
+        return low, high
+
+    def set_epics_limits(self, low, high, relative_to_current=False):
+        low  = -np.inf if low  is None else low
+        high = +np.inf if high is None else high
+        if relative_to_current:
+            val = self.get_current_value()
+            low  += val
+            high += val
+        self.pvs.llm.put(low)
+        self.pvs.hlm.put(high)
+
+    ###
+    # Things to be desired from the epics module:
+    # 1. Set SET_TARGET_RANGE as a float or somehow alow decimals to be entered 
+    # 2. Soft epics limits
+
+
+    def move(self, val, relative=False, wait=True, ignore_limits=False, confirm_move=True, timeout=300.0, pos_check_delay=0.15, target_gnd=None):
+        """
+        moves Attocube drive to position (emulating pyepics Motor class)
+
+        arguments:
+        ==========
+         val              value to move to (float) [Must be provided]
+         relative         move relative to current position    (T/F) [F]
+         wait             whether to wait for move to complete (T/F) [F]
+         ignore_limits    try move without regard to limits    (T/F) [F]
+         confirm_move     try to confirm that move has begun   (T/F) [F]
+         timeout          max time for move to complete (in seconds) [300]
+         pos_check_delay  delay before checkig motor in position (in seconds) [0.1]
+
+        return values:
+        ==============
+         -13 : invalid value (cannot convert to float).  Move not attempted.
+         -12 : target value outside soft limits.         Move not attempted.
+         -11 : drive PV is not connected.                Move not attempted.
+          -8 : move started, but timed-out.
+        # -7 : move started, timed-out, but appears done.
+          -5 : move started, unexpected return value from PV.put().
+        # -4 : move-with-wait finished, soft limit violation seen.
+        # -3 : move-with-wait finished, hard limit violation seen.
+           0 : move-with-wait finished OK.
+           0 : move-without-wait executed, move not confirmed.
+           1 : move-without-wait executed, move confirmed.
+        #  3 : move-without-wait finished, hard limit violation seen.
+        #  4 : move-without-wait finished, soft limit violation seen.
+        
+        """
+        INVALID_VALUE  = -13
+        OUTSIDE_LIMITS = -12
+        NOT_CONNECTED  = -11
+        TIMEOUT        =  -8
+        UNKNOWN_ERROR  =  -5
+        SUCCESS        =   0
+        EXECUTED       =   0
+        CONFIRMED      =   1
+
+        PUT_SUCCESS    =   1
+        PUT_TIMEOUT    =  -1
+
+        try:
+            val = float(val)
+        except Exception:
+            return INVALID_VALUE
+
+        if relative:
+            val += self.pvs.drive.get()
+
+        if not ignore_limits:
+            if not self.within_epics_limits(val):
+                return OUTSIDE_LIMITS
+
+        put_stat = self.pvs.drive.put(val, wait=wait, timeout=timeout)
+
+        if not self.is_output_on():
+            self.enable_output(verbose=False)
+
+        if target_gnd == True or target_gnd == 1:
+            self.set_ground_on_target(True,verbose=False)
+        elif target_gnd == False or target_gnd == 0:
+            self.set_ground_on_target(False,verbose=False)
+
+        self.allow_move()       
+
+        if put_stat is None:
+            return NOT_CONNECTED
+
+        if wait and put_stat == PUT_TIMEOUT:
+            return TIMEOUT
+
+        if put_stat != PUT_SUCCESS:
+            return UNKNOWN_ERROR
+
+        t0 = time.time()
+        tstart = t0 + min(timeout, 10)
+        tout   = t0 + timeout
+
+        if not wait and not confirm_move:
+            return EXECUTED
+
+        if not wait:
+            return CONFIRMED
+
+        if time.time() > tout:
+            return TIMEOUT
+
+        time.sleep(pos_check_delay) # Wait before checking if target value reached. It's necessary as sometimes this PV takes a while to set for the new target value.
+        while self.is_at_target() == False and time.time() <= tout:
+            ca.poll(evt=1.0e-2)
+ 
+        if self.is_at_target():
+            return SUCCESS
+
+        
+
+        return UNKNOWN_ERROR
+
+    def gui(self):
+        device, motor = self.ID.split(":")
+        cmd = f'caqtdm -macro "DEVICE={device}" S_ANC350.ui'
+        return subprocess.Popen(cmd, shell=True)
+
+
+
+class AttocubeError(AdjustableError):
+    pass
+
+
+

attocube_device_def.py

@@ -0,0 +1,6 @@
+from attocube import AttocubeStage
+
+attocube = AttocubeStage("SARES30-ATTOCUBE",
+			Z='SARES30-ATTOCUBE:A0',
+			X='SARES30-ATTOCUBE:A1',
+			)

cristallina.py

@@ -73,13 +73,21 @@ from slic.devices.xoptics import slits
 
 ## Smaract stage
 from smaract_device_def import smaract
-# from attocube_assignment import attocube
+from attocube_device_def import attocube
 
 ###########################################
 instrument = "cristallina"
 
-# pgroup = "p19739" # commissioning March 2022 -- July 2022
+# pgroup = "p19739"  # commissioning March 2022 -- July 2022
-pgroup = "p20443"  # commissioning Wavefront Sensor August 2022
+pgroup = "p20443"    # commissioning Wavefront Sensor August 2022 (active)
+
+# pgroup = "p20558"  # SwissMX commissioning 3
+# pgroup = "p20557"  # CrQ PMS commisioning 1
+# pgroup = "p20509"  # CrQ commissoing DilSc1 (active)
+# pgroup = "p20519"  # beamline commissioning 2
+
+# pgroup = "p19150"  # Scratch
+# pgroup = "p19152"  # Scratch
 
 daq = SFAcquisition(
     instrument,