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https://github.com/bec-project/ophyd_devices.git
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Merge branch 'csaxs_detectors' into 'master'
Csaxs detectors Closes #3 See merge request bec/ophyd_devices!35
This commit is contained in:
@ -1,78 +1,60 @@
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import enum
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import threading
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import time
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from typing import Any, List
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from bec_lib.core.devicemanager import DeviceStatus
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import numpy as np
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import os
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from typing import Any, List
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from ophyd import EpicsSignal, EpicsSignalRO, EpicsSignalWithRBV
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from ophyd import DetectorBase, Device
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from ophyd import ADComponent as ADCpt
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from std_daq_client import StdDaqClient
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from bec_lib.core import BECMessage, MessageEndpoints, threadlocked
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from bec_lib.core.file_utils import FileWriterMixin
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from bec_lib.core import bec_logger
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from ophyd_devices.utils import bec_utils as bec_utils
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from std_daq_client import StdDaqClient
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from ophyd_devices.epics.devices.bec_scaninfo_mixin import BecScaninfoMixin
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from ophyd_devices.utils import bec_utils
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logger = bec_logger.logger
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class EigerError(Exception):
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"""Base class for exceptions in this module."""
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pass
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class EigerTimeoutError(Exception):
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"""Raised when the Eiger does not respond in time during unstage."""
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pass
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class SlsDetectorCam(Device):
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# detector_type = ADCpt(EpicsSignalRO, "DetectorType_RBV")
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# setting = ADCpt(EpicsSignalWithRBV, "Setting")
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# delay_time = ADCpt(EpicsSignalWithRBV, "DelayTime")
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"""SLS Detector Camera - Eiger 9M
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Base class to map EPICS PVs to ophyd signals.
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"""
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threshold_energy = ADCpt(EpicsSignalWithRBV, "ThresholdEnergy")
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beam_energy = ADCpt(EpicsSignalWithRBV, "BeamEnergy")
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# enable_trimbits = ADCpt(EpicsSignalWithRBV, "Trimbits")
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bit_depth = ADCpt(EpicsSignalWithRBV, "BitDepth")
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# num_gates = ADCpt(EpicsSignalWithRBV, "NumGates")
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num_cycles = ADCpt(EpicsSignalWithRBV, "NumCycles")
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num_images = ADCpt(EpicsSignalWithRBV, "NumCycles")
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num_frames = ADCpt(EpicsSignalWithRBV, "NumFrames")
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timing_mode = ADCpt(EpicsSignalWithRBV, "TimingMode")
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trigger_mode = ADCpt(EpicsSignalWithRBV, "TimingMode")
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trigger_software = ADCpt(EpicsSignal, "TriggerSoftware")
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# high_voltage = ADCpt(EpicsSignalWithRBV, "HighVoltage")
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# Receiver and data callback
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# receiver_mode = ADCpt(EpicsSignalWithRBV, "ReceiverMode")
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# receiver_stream = ADCpt(EpicsSignalWithRBV, "ReceiverStream")
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# enable_data = ADCpt(EpicsSignalWithRBV, "UseDataCallback")
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# missed_packets = ADCpt(EpicsSignalRO, "ReceiverMissedPackets_RBV")
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# Direct settings access
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# setup_file = ADCpt(EpicsSignal, "SetupFile")
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# load_setup = ADCpt(EpicsSignal, "LoadSetup")
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# command = ADCpt(EpicsSignal, "Command")
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# Mythen 3
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# counter_mask = ADCpt(EpicsSignalWithRBV, "CounterMask")
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# counter1_threshold = ADCpt(EpicsSignalWithRBV, "Counter1Threshold")
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# counter2_threshold = ADCpt(EpicsSignalWithRBV, "Counter2Threshold")
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# counter3_threshold = ADCpt(EpicsSignalWithRBV, "Counter3Threshold")
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# gate1_delay = ADCpt(EpicsSignalWithRBV, "Gate1Delay")
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# gate1_width = ADCpt(EpicsSignalWithRBV, "Gate1Width")
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# gate2_delay = ADCpt(EpicsSignalWithRBV, "Gate2Delay")
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# gate2_width = ADCpt(EpicsSignalWithRBV, "Gate2Width")
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# gate3_delay = ADCpt(EpicsSignalWithRBV, "Gate3Delay")
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# gate3_width = ADCpt(EpicsSignalWithRBV, "Gate3Width")
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# # Moench
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# json_frame_mode = ADCpt(EpicsSignalWithRBV, "JsonFrameMode")
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# json_detector_mode = ADCpt(EpicsSignalWithRBV, "JsonDetectorMode")
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# fixes due to missing PVs from CamBase
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acquire = ADCpt(EpicsSignal, "Acquire")
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detector_state = ADCpt(EpicsSignalRO, "DetectorState_RBV")
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class TriggerSource(int, enum.Enum):
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"""Trigger signals for Eiger9M detector"""
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AUTO = 0
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TRIGGER = 1
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GATING = 2
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@ -80,6 +62,8 @@ class TriggerSource(int, enum.Enum):
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class DetectorState(int, enum.Enum):
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"""Detector states for Eiger9M detector"""
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IDLE = 0
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ERROR = 1
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WAITING = 2
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@ -105,6 +89,7 @@ class Eiger9mCsaxs(DetectorBase):
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"""
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# Specify which functions are revealed to the user in BEC client
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USER_ACCESS = [
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"describe",
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]
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@ -124,6 +109,18 @@ class Eiger9mCsaxs(DetectorBase):
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sim_mode=False,
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**kwargs,
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):
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"""Initialize the Eiger9M detector
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Args:
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#TODO add here the parameters for kind, read_attrs, configuration_attrs, parent
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prefix (str): PV prefix (X12SA-ES-EIGER9M:)
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name (str): 'eiger'
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kind (str):
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read_attrs (list):
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configuration_attrs (list):
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parent (object):
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device_manager (object): BEC device manager
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sim_mode (bool): simulation mode to start the detector without BEC, e.g. from ipython shell
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"""
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super().__init__(
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prefix=prefix,
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name=name,
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@ -133,13 +130,16 @@ class Eiger9mCsaxs(DetectorBase):
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parent=parent,
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**kwargs,
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)
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self._stopped = False
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self._lock = threading.RLock()
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if device_manager is None and not sim_mode:
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raise EigerError("Add DeviceManager to initialization or init with sim_mode=True")
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# Not sure if this is needed, comment it for now!
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# self._lock = threading.RLock()
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self._stopped = False
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self.name = name
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self.wait_for_connection() # Make sure to be connected before talking to PVs
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self.wait_for_connection()
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# Spin up connections for simulation or BEC mode
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# TODO check if sim_mode still works. Is it needed? I believe filewriting might be handled properly
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if not sim_mode:
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from bec_lib.core.bec_service import SERVICE_CONFIG
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@ -147,32 +147,70 @@ class Eiger9mCsaxs(DetectorBase):
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self._producer = self.device_manager.producer
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self.service_cfg = SERVICE_CONFIG.config["service_config"]["file_writer"]
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else:
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base_path = f"/sls/X12SA/data/{self.scaninfo.username}/Data10/"
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self._producer = bec_utils.MockProducer()
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self.device_manager = bec_utils.MockDeviceManager()
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self.scaninfo = BecScaninfoMixin(device_manager, sim_mode)
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self.scaninfo.load_scan_metadata()
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self.service_cfg = {"base_path": f"/sls/X12SA/data/{self.scaninfo.username}/Data10/"}
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self.service_cfg = {"base_path": base_path}
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self.scaninfo = BecScaninfoMixin(device_manager, sim_mode)
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self.scaninfo.load_scan_metadata()
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# TODO
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self.filepath = ""
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self.filewriter = FileWriterMixin(self.service_cfg)
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self.reduce_readout = 1e-3 # 3 ms
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self.triggermode = 0 # 0 : internal, scan must set this if hardware triggered
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self._init_eiger9m()
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self._init_standard_daq()
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self._init()
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# self.mokev = self.device_manager.devices.mokev.read()[
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# self.device_manager.devices.mokev.name
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# ]["value"]
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# TODO function for abstract class?
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def _init(self) -> None:
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"""Initialize detector, filewriter and set default parameters"""
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self._default_parameter()
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self._init_detector()
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self._init_filewriter()
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def _init_eiger9m(self) -> None:
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"""Init parameters for Eiger 9m"""
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# TODO function for abstract class?
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def _default_parameter(self) -> None:
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"""Set default parameters for Eiger 9M
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readout (float) : readout time in seconds
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"""
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self.reduce_readout = 1e-3
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# TODO function for abstract class?
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def _init_detector(self) -> None:
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"""Init parameters for Eiger 9m.
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Depends on hardware configuration and delay generators.
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At this point it is set up for gating mode (09/2023).
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"""
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self._stop_det()
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self._set_trigger(TriggerSource.GATING)
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self.stop_acquisition()
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# TODO function for abstract class?
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def _init_filewriter(self) -> None:
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"""Init parameters for filewriter.
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For the Eiger9M, the data backend is std_daq client.
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Setting up these parameters depends on the backend, and would need to change upon changes in the backend.
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"""
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self.std_rest_server_url = "http://xbl-daq-29:5000"
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self.std_client = StdDaqClient(url_base=self.std_rest_server_url)
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self.std_client.stop_writer()
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timeout = 0
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# TODO changing e-account was not possible during beamtimes.
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# self._update_std_cfg("writer_user_id", int(self.scaninfo.username.strip(" e")))
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# time.sleep(5)
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# TODO is this the only state to wait for or should we wait for more from the std_daq client?
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while not self.std_client.get_status()["state"] == "READY":
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time.sleep(0.1)
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timeout = timeout + 0.1
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logger.info("Waiting for std_daq init.")
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if timeout > 5:
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if not self.std_client.get_status()["state"]:
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raise EigerError(
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f"Std client not in READY state, returns: {self.std_client.get_status()}"
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)
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else:
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return
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def _update_std_cfg(self, cfg_key: str, value: Any) -> None:
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"""Update std_daq config with new e-account for the current beamtime"""
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# TODO Do we need all the loggers here, should this be properly refactored with a DEBUG mode?
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cfg = self.std_client.get_config()
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old_value = cfg.get(cfg_key)
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logger.info(old_value)
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@ -189,71 +227,54 @@ class Eiger9mCsaxs(DetectorBase):
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logger.info(f"Updated std_daq config for key {cfg_key} from {old_value} to {value}")
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self.std_client.set_config(cfg)
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def _init_standard_daq(self) -> None:
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self.std_rest_server_url = "http://xbl-daq-29:5000"
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self.std_client = StdDaqClient(url_base=self.std_rest_server_url)
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self.std_client.stop_writer()
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timeout = 0
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# TODO put back change of e-account!
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# self._update_std_cfg("writer_user_id", int(self.scaninfo.username.strip(" e")))
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# time.sleep(5)
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while not self.std_client.get_status()["state"] == "READY":
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time.sleep(0.1)
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timeout = timeout + 0.1
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logger.info("Waiting for std_daq init.")
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if timeout > 5:
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if not self.std_client.get_status()["state"]:
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raise EigerError(
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f"Std client not in READY state, returns: {self.std_client.get_status()}"
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)
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else:
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return
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# TODO function for abstract class?
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def stage(self) -> List[object]:
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"""Stage command, called from BEC in preparation of a scan.
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This will iniate the preparation of detector and file writer.
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The following functuions are called (at least):
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- _prep_file_writer
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- _prep_det
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- _publish_file_location
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The device returns a List[object] from the Ophyd Device class.
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def _prep_det(self) -> None:
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self._set_det_threshold()
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self._set_acquisition_params()
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self._set_trigger(TriggerSource.GATING)
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#TODO make sure this is fullfiled
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def _set_det_threshold(self) -> None:
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# threshold_energy PV exists on Eiger 9M?
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factor = 1
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if self.cam.threshold_energy._metadata["units"] == "eV":
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factor = 1000
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setp_energy = int(self.mokev * factor)
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energy = self.cam.beam_energy.read()[self.cam.beam_energy.name]["value"]
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if setp_energy != energy:
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self.cam.beam_energy.set(setp_energy) # .wait()
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threshold = self.cam.threshold_energy.read()[self.cam.threshold_energy.name]["value"]
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if not np.isclose(setp_energy / 2, threshold, rtol=0.05):
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self.cam.threshold_energy.set(setp_energy / 2) # .wait()
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||||
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def _set_acquisition_params(self) -> None:
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# self.cam.acquire_time.set(self.scaninfo.exp_time)
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||||
# Set acquisition parameters slightly shorter then cycle
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||||
# self.cam.acquire_period.set(
|
||||
# self.scaninfo.exp_time + (self.scaninfo.readout_time - self.reduce_readout)
|
||||
# )
|
||||
self.cam.num_cycles.put(int(self.scaninfo.num_points * self.scaninfo.frames_per_trigger))
|
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self.cam.num_frames.put(1)
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||||
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def _set_trigger(self, trigger_source: TriggerSource) -> None:
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||||
"""Set trigger source for the detector, either directly to value or TriggerSource.* with
|
||||
AUTO = 0
|
||||
TRIGGER = 1
|
||||
GATING = 2
|
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BURST_TRIGGER = 3
|
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Staging not idempotent and should raise
|
||||
:obj:`RedundantStaging` if staged twice without an
|
||||
intermediate :meth:`~BlueskyInterface.unstage`.
|
||||
"""
|
||||
value = int(trigger_source)
|
||||
self.cam.timing_mode.put(value)
|
||||
self._stopped = False
|
||||
self.scaninfo.load_scan_metadata()
|
||||
self.mokev = self.device_manager.devices.mokev.obj.read()[
|
||||
self.device_manager.devices.mokev.name
|
||||
]["value"]
|
||||
# TODO refactor logger.info to DEBUG mode?
|
||||
self._prep_file_writer()
|
||||
self._prep_det()
|
||||
state = False
|
||||
self._publish_file_location(done=state, successful=state)
|
||||
self._arm_acquisition()
|
||||
# TODO Fix should take place in EPICS or directly on the hardware!
|
||||
# We observed that the detector missed triggers in the beginning in case BEC was to fast. Adding 50ms delay solved this
|
||||
time.sleep(0.05)
|
||||
return super().stage()
|
||||
|
||||
# TODO function for abstract class?
|
||||
def _prep_file_writer(self) -> None:
|
||||
"""Prepare file writer for scan
|
||||
|
||||
self.filewriter is a FileWriterMixin object that hosts logic for compiling the filepath
|
||||
"""
|
||||
self.filepath = self.filewriter.compile_full_filename(
|
||||
self.scaninfo.scan_number, f"{self.name}.h5", 1000, 5, True
|
||||
)
|
||||
# TODO needed, should be checked from the filerwriter mixin right?
|
||||
while not os.path.exists(os.path.dirname(self.filepath)):
|
||||
time.sleep(0.1)
|
||||
self._close_file_writer()
|
||||
|
||||
self._stop_file_writer()
|
||||
logger.info(f" std_daq output filepath {self.filepath}")
|
||||
# TODO Discuss with Leo if this is needed, or how to start the async writing best
|
||||
try:
|
||||
self.std_client.start_writer_async(
|
||||
{
|
||||
@ -272,100 +293,66 @@ class Eiger9mCsaxs(DetectorBase):
|
||||
break
|
||||
time.sleep(0.005)
|
||||
|
||||
def _close_file_writer(self) -> None:
|
||||
# TODO function for abstract class?
|
||||
def _stop_file_writer(self) -> None:
|
||||
"""Close file writer"""
|
||||
self.std_client.stop_writer()
|
||||
pass
|
||||
# TODO can I wait for a status message here maybe? To ensure writer returned
|
||||
|
||||
def stage(self) -> List[object]:
|
||||
"""stage the detector and file writer"""
|
||||
self._stopped = False
|
||||
self._acquisition_done = False
|
||||
self.scaninfo.load_scan_metadata()
|
||||
self.mokev = self.device_manager.devices.mokev.obj.read()[
|
||||
self.device_manager.devices.mokev.name
|
||||
]["value"]
|
||||
|
||||
self._prep_file_writer()
|
||||
self._prep_det()
|
||||
logger.info("Waiting for std daq to be armed")
|
||||
logger.info("std_daq is ready")
|
||||
|
||||
msg = BECMessage.FileMessage(file_path=self.filepath, done=False)
|
||||
self._producer.set_and_publish(
|
||||
MessageEndpoints.public_file(self.scaninfo.scanID, self.name),
|
||||
msg.dumps(),
|
||||
)
|
||||
msg = BECMessage.FileMessage(file_path=self.filepath, done=False)
|
||||
self._producer.set_and_publish(
|
||||
MessageEndpoints.file_event(self.name),
|
||||
msg.dumps(),
|
||||
)
|
||||
self.arm_acquisition()
|
||||
|
||||
self._stopped = False
|
||||
# We see that we miss a trigger occasionally, it seems that status msg from the ioc are not realiable
|
||||
time.sleep(0.05)
|
||||
return super().stage()
|
||||
|
||||
@threadlocked
|
||||
def unstage(self) -> List[object]:
|
||||
"""unstage the detector and file writer"""
|
||||
logger.info("Waiting for Eiger9M to finish")
|
||||
old_scanID = self.scaninfo.scanID
|
||||
self.scaninfo.load_scan_metadata()
|
||||
logger.info(f"Old scanID: {old_scanID}, ")
|
||||
if self.scaninfo.scanID != old_scanID:
|
||||
self._stopped = True
|
||||
if self._stopped == True:
|
||||
return super().unstage()
|
||||
self._eiger9M_finished()
|
||||
# Message to BEC
|
||||
state = True
|
||||
|
||||
msg = BECMessage.FileMessage(file_path=self.filepath, done=True, successful=state)
|
||||
self._producer.set_and_publish(
|
||||
MessageEndpoints.public_file(self.scaninfo.scanID, self.name),
|
||||
msg.dumps(),
|
||||
)
|
||||
self._stopped = False
|
||||
logger.info("Eiger9M finished")
|
||||
return super().unstage()
|
||||
|
||||
@threadlocked
|
||||
def _eiger9M_finished(self):
|
||||
"""Function with 10s timeout"""
|
||||
timer = 0
|
||||
while True:
|
||||
det_ctrl = self.cam.acquire.read()[self.cam.acquire.name]["value"]
|
||||
# det_ctrl = 0
|
||||
std_ctrl = self.std_client.get_status()["acquisition"]["state"]
|
||||
status = self.std_client.get_status()
|
||||
received_frames = status["acquisition"]["stats"]["n_write_completed"]
|
||||
total_frames = int(self.scaninfo.num_points * self.scaninfo.frames_per_trigger)
|
||||
# TODO if no writing was performed before
|
||||
if det_ctrl == 0 and std_ctrl == "FINISHED" and total_frames == received_frames:
|
||||
break
|
||||
if self._stopped == True:
|
||||
self.stop_acquisition()
|
||||
self._close_file_writer()
|
||||
break
|
||||
time.sleep(0.1)
|
||||
timer += 0.1
|
||||
if timer > 5:
|
||||
self._stopped == True
|
||||
self._close_file_writer()
|
||||
self.stop_acquisition()
|
||||
raise EigerTimeoutError(
|
||||
f"Reached timeout with detector state {det_ctrl}, std_daq state {std_ctrl} and received frames of {received_frames} for the file writer"
|
||||
)
|
||||
self._close_file_writer()
|
||||
|
||||
def arm_acquisition(self) -> None:
|
||||
"""Start acquisition in software trigger mode,
|
||||
or arm the detector in hardware of the detector
|
||||
# TODO function for abstract class?
|
||||
def _prep_det(self) -> None:
|
||||
"""Prepare detector for scan.
|
||||
Includes checking the detector threshold, setting the acquisition parameters and setting the trigger source
|
||||
"""
|
||||
self._set_det_threshold()
|
||||
self._set_acquisition_params()
|
||||
self._set_trigger(TriggerSource.GATING)
|
||||
|
||||
def _set_det_threshold(self) -> None:
|
||||
"""Set correct detector threshold to 1/2 of current X-ray energy, allow 5% tolerance"""
|
||||
# threshold energy might be in eV or keV
|
||||
factor = 1
|
||||
if self.cam.threshold_energy._metadata["units"] == "eV":
|
||||
factor = 1000
|
||||
setpoint = int(self.mokev * factor)
|
||||
energy = self.cam.beam_energy.read()[self.cam.beam_energy.name]["value"]
|
||||
if setpoint != energy:
|
||||
self.cam.beam_energy.set(setpoint)
|
||||
threshold = self.cam.threshold_energy.read()[self.cam.threshold_energy.name]["value"]
|
||||
if not np.isclose(setpoint / 2, threshold, rtol=0.05):
|
||||
self.cam.threshold_energy.set(setpoint / 2)
|
||||
|
||||
def _set_acquisition_params(self) -> None:
|
||||
"""Set acquisition parameters for the detector"""
|
||||
self.cam.num_images.put(int(self.scaninfo.num_points * self.scaninfo.frames_per_trigger))
|
||||
self.cam.num_frames.put(1)
|
||||
|
||||
# TODO function for abstract class? + call it for each scan??
|
||||
def _set_trigger(self, trigger_source: TriggerSource) -> None:
|
||||
"""Set trigger source for the detector.
|
||||
Check the TriggerSource enum for possible values
|
||||
"""
|
||||
value = int(trigger_source)
|
||||
self.cam.trigger_mode.put(value)
|
||||
|
||||
def _publish_file_location(self, done=False, successful=False) -> None:
|
||||
"""Publish the filepath to REDIS
|
||||
First msg for file writer and the second one for other listeners (e.g. radial integ)
|
||||
"""
|
||||
pipe = self._producer.pipeline()
|
||||
msg = BECMessage.FileMessage(file_path=self.filepath, done=done, successful=successful)
|
||||
self._producer.set_and_publish(
|
||||
MessageEndpoints.public_file(self.scaninfo.scanID, self.name), msg.dumps(), pipe=pipe
|
||||
)
|
||||
self._producer.set_and_publish(
|
||||
MessageEndpoints.file_event(self.name), msg.dumps(), pip=pipe
|
||||
)
|
||||
pipe.execute()
|
||||
|
||||
# TODO function for abstract class?
|
||||
def _arm_acquisition(self) -> None:
|
||||
"""Arm Eiger detector for acquisition"""
|
||||
self.cam.acquire.put(1)
|
||||
logger.info("Waiting for Eiger9m to be armed")
|
||||
while True:
|
||||
det_ctrl = self.cam.detector_state.read()[self.cam.detector_state.name]["value"]
|
||||
if det_ctrl == int(DetectorState.RUNNING):
|
||||
@ -373,15 +360,96 @@ class Eiger9mCsaxs(DetectorBase):
|
||||
if self._stopped == True:
|
||||
break
|
||||
time.sleep(0.005)
|
||||
logger.info("Eiger9m is armed")
|
||||
|
||||
def stop_acquisition(self) -> None:
|
||||
# TODO function for abstract class?
|
||||
def trigger(self) -> DeviceStatus:
|
||||
"""Trigger the detector, called from BEC."""
|
||||
self._on_trigger()
|
||||
return super().trigger()
|
||||
|
||||
# TODO function for abstract class?
|
||||
def _on_trigger(self):
|
||||
"""Specify action that should be taken upon trigger signal."""
|
||||
pass
|
||||
|
||||
# TODO function for abstract class?
|
||||
# TODO threadlocked was attached, in principle unstage needs to be fast and should possibly called multiple times
|
||||
@threadlocked
|
||||
def unstage(self) -> List[object]:
|
||||
"""Unstage the device.
|
||||
|
||||
This method must be idempotent, multiple calls (without a new
|
||||
call to 'stage') have no effect.
|
||||
|
||||
Functions called:
|
||||
- _finished
|
||||
- _publish_file_location
|
||||
"""
|
||||
# TODO solution for multiple calls of the function to avoid calling the finished loop.
|
||||
# Loop to avoid calling the finished loop multiple times
|
||||
old_scanID = self.scaninfo.scanID
|
||||
self.scaninfo.load_scan_metadata()
|
||||
if self.scaninfo.scanID != old_scanID:
|
||||
self._stopped = True
|
||||
if self._stopped == True:
|
||||
return super().unstage()
|
||||
self._finished()
|
||||
state = True
|
||||
self._publish_file_location(done=state, successful=state)
|
||||
self._stopped = False
|
||||
return super().unstage()
|
||||
|
||||
# TODO function for abstract class?
|
||||
# TODO necessary, how can we make this cleaner.
|
||||
@threadlocked
|
||||
def _finished(self):
|
||||
"""Check if acquisition is finished.
|
||||
|
||||
This function is called from unstage and stop
|
||||
and will check detector and file backend status.
|
||||
Timeouts after given time
|
||||
|
||||
Functions called:
|
||||
- _stop_det
|
||||
- _stop_file_writer
|
||||
"""
|
||||
sleep_time = 0.1
|
||||
timeout = 5
|
||||
timer = 0
|
||||
# Check status with timeout, break out if _stopped=True
|
||||
while True:
|
||||
det_ctrl = self.cam.acquire.read()[self.cam.acquire.name]["value"]
|
||||
std_ctrl = self.std_client.get_status()["acquisition"]["state"]
|
||||
status = self.std_client.get_status()
|
||||
received_frames = status["acquisition"]["stats"]["n_write_completed"]
|
||||
total_frames = int(self.scaninfo.num_points * self.scaninfo.frames_per_trigger)
|
||||
if det_ctrl == 0 and std_ctrl == "FINISHED" and total_frames == received_frames:
|
||||
break
|
||||
if self._stopped == True:
|
||||
self._stop_det()
|
||||
self._stop_file_writer()
|
||||
break
|
||||
time.sleep(sleep_time)
|
||||
timer += sleep_time
|
||||
if timer > timeout:
|
||||
self._stopped == True
|
||||
self._stop_det()
|
||||
self._stop_file_writer()
|
||||
raise EigerTimeoutError(
|
||||
f"Reached timeout with detector state {det_ctrl}, std_daq state {std_ctrl} and received frames of {received_frames} for the file writer"
|
||||
)
|
||||
self._stop_det()
|
||||
self._stop_file_writer()
|
||||
|
||||
def _stop_det(self) -> None:
|
||||
"""Stop the detector and wait for the proper status message"""
|
||||
logger.info("Waiting for Eiger9m to be armed")
|
||||
elapsed_time = 0
|
||||
sleep_time = 0.01
|
||||
timeout = 5
|
||||
# Stop acquisition
|
||||
self.cam.acquire.put(0)
|
||||
retry = False
|
||||
# Check status
|
||||
while True:
|
||||
det_ctrl = self.cam.detector_state.read()[self.cam.detector_state.name]["value"]
|
||||
if det_ctrl == int(DetectorState.IDLE):
|
||||
@ -390,16 +458,17 @@ class Eiger9mCsaxs(DetectorBase):
|
||||
break
|
||||
time.sleep(sleep_time)
|
||||
elapsed_time += sleep_time
|
||||
if elapsed_time > 2 and not retry:
|
||||
if elapsed_time > timeout // 2 and not retry:
|
||||
retry = True
|
||||
# Retry to stop acquisition
|
||||
self.cam.acquire.put(0)
|
||||
if elapsed_time > 5:
|
||||
if elapsed_time > timeout:
|
||||
raise EigerTimeoutError("Failed to stop the acquisition. IOC did not update.")
|
||||
|
||||
def stop(self, *, success=False) -> None:
|
||||
"""Stop the scan, with camera and file writer"""
|
||||
self.stop_acquisition()
|
||||
self._close_file_writer()
|
||||
self._stop_det()
|
||||
self._stop_file_writer()
|
||||
super().stop(success=success)
|
||||
self._stopped = True
|
||||
|
||||
|
||||
@ -1,37 +1,47 @@
|
||||
import enum
|
||||
import os
|
||||
import time
|
||||
from typing import List
|
||||
from ophyd import EpicsSignal, EpicsSignalRO, EpicsSignalWithRBV, Component as Cpt, Device
|
||||
|
||||
from typing import List
|
||||
from bec_lib.core.devicemanager import DeviceStatus
|
||||
|
||||
from ophyd import EpicsSignal, EpicsSignalRO, EpicsSignalWithRBV, Component as Cpt, Device
|
||||
from ophyd.mca import EpicsMCARecord
|
||||
from ophyd.areadetector.plugins import HDF5Plugin_V21, FilePlugin_V22
|
||||
|
||||
from bec_lib.core.file_utils import FileWriterMixin
|
||||
from bec_lib.core import MessageEndpoints, BECMessage
|
||||
from bec_lib.core import bec_logger
|
||||
from ophyd_devices.epics.devices.bec_scaninfo_mixin import BecScaninfoMixin
|
||||
|
||||
from ophyd_devices.epics.devices.bec_scaninfo_mixin import BecScaninfoMixin
|
||||
from ophyd_devices.utils import bec_utils
|
||||
|
||||
logger = bec_logger.logger
|
||||
|
||||
|
||||
class FalconError(Exception):
|
||||
"""Base class for exceptions in this module."""
|
||||
|
||||
pass
|
||||
|
||||
|
||||
class FalconTimeoutError(Exception):
|
||||
"""Raised when the Falcon does not respond in time during unstage."""
|
||||
|
||||
pass
|
||||
|
||||
|
||||
class DetectorState(int, enum.Enum):
|
||||
"""Detector states for Falcon detector"""
|
||||
|
||||
DONE = 0
|
||||
ACQUIRING = 1
|
||||
|
||||
|
||||
class EpicsDXPFalcon(Device):
|
||||
"""All high-level DXP parameters for each channel"""
|
||||
"""DXP parameters for Falcon detector
|
||||
|
||||
Base class to map EPICS PVs from DXP parameters to ophyd signals.
|
||||
"""
|
||||
|
||||
elapsed_live_time = Cpt(EpicsSignal, "ElapsedLiveTime")
|
||||
elapsed_real_time = Cpt(EpicsSignal, "ElapsedRealTime")
|
||||
@ -51,15 +61,17 @@ class EpicsDXPFalcon(Device):
|
||||
current_pixel = Cpt(EpicsSignalRO, "CurrentPixel")
|
||||
|
||||
|
||||
class FalconHDF5Plugins(Device): # HDF5Plugin_V21, FilePlugin_V22):
|
||||
class FalconHDF5Plugins(Device):
|
||||
"""HDF5 parameters for Falcon detector
|
||||
|
||||
Base class to map EPICS PVs from HDF5 Plugin to ophyd signals.
|
||||
"""
|
||||
|
||||
capture = Cpt(EpicsSignalWithRBV, "Capture")
|
||||
enable = Cpt(EpicsSignalWithRBV, "EnableCallbacks", string=True, kind="config")
|
||||
xml_file_name = Cpt(EpicsSignalWithRBV, "XMLFileName", string=True, kind="config")
|
||||
lazy_open = Cpt(EpicsSignalWithRBV, "LazyOpen", string=True, doc="0='No' 1='Yes'")
|
||||
temp_suffix = Cpt(EpicsSignalWithRBV, "TempSuffix", string=True)
|
||||
# file_path = Cpt(
|
||||
# EpicsSignalWithRBV, "FilePath", string=True, kind="config", path_semantics="posix"
|
||||
# )
|
||||
file_path = Cpt(EpicsSignalWithRBV, "FilePath", string=True, kind="config")
|
||||
file_name = Cpt(EpicsSignalWithRBV, "FileName", string=True, kind="config")
|
||||
file_template = Cpt(EpicsSignalWithRBV, "FileTemplate", string=True, kind="config")
|
||||
@ -70,29 +82,40 @@ class FalconHDF5Plugins(Device): # HDF5Plugin_V21, FilePlugin_V22):
|
||||
|
||||
|
||||
class FalconCsaxs(Device):
|
||||
"""FalxonX1 with HDF5 writer"""
|
||||
"""Falcon Sitoro detector for CSAXS
|
||||
|
||||
Parent class: Device
|
||||
Device classes: EpicsDXPFalcon dxp1:, EpicsMCARecord mca1, FalconHDF5Plugins HDF1:
|
||||
|
||||
Attributes:
|
||||
name str: 'falcon'
|
||||
prefix (str): PV prefix ("X12SA-SITORO:)
|
||||
|
||||
"""
|
||||
|
||||
# Specify which functions are revealed to the user in BEC client
|
||||
USER_ACCESS = [
|
||||
"describe",
|
||||
]
|
||||
|
||||
dxp = Cpt(EpicsDXPFalcon, "dxp1:")
|
||||
mca = Cpt(EpicsMCARecord, "mca1")
|
||||
hdf5 = Cpt(FalconHDF5Plugins, "HDF1:")
|
||||
|
||||
# Control
|
||||
# specify Epics PVs for Falcon
|
||||
# TODO consider moving this outside of this class!
|
||||
stop_all = Cpt(EpicsSignal, "StopAll")
|
||||
erase_all = Cpt(EpicsSignal, "EraseAll")
|
||||
start_all = Cpt(EpicsSignal, "StartAll")
|
||||
state = Cpt(EpicsSignal, "Acquiring")
|
||||
# Preset options
|
||||
preset_mode = Cpt(EpicsSignal, "PresetMode") # 0 No preset 1 Real time 2 Events 3 Triggers
|
||||
preset_real = Cpt(EpicsSignal, "PresetReal")
|
||||
preset_events = Cpt(EpicsSignal, "PresetEvents")
|
||||
preset_triggers = Cpt(EpicsSignal, "PresetTriggers")
|
||||
# read-only diagnostics
|
||||
triggers = Cpt(EpicsSignalRO, "MaxTriggers", lazy=True)
|
||||
events = Cpt(EpicsSignalRO, "MaxEvents", lazy=True)
|
||||
input_count_rate = Cpt(EpicsSignalRO, "MaxInputCountRate", lazy=True)
|
||||
output_count_rate = Cpt(EpicsSignalRO, "MaxOutputCountRate", lazy=True)
|
||||
|
||||
# Mapping control
|
||||
collect_mode = Cpt(EpicsSignal, "CollectMode") # 0 MCA spectra, 1 MCA mapping
|
||||
pixel_advance_mode = Cpt(EpicsSignal, "PixelAdvanceMode")
|
||||
ignore_gate = Cpt(EpicsSignal, "IgnoreGate")
|
||||
@ -102,8 +125,6 @@ class FalconCsaxs(Device):
|
||||
pixels_per_run = Cpt(EpicsSignal, "PixelsPerRun")
|
||||
nd_array_mode = Cpt(EpicsSignal, "NDArrayMode")
|
||||
|
||||
# HDF5
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
prefix="",
|
||||
@ -117,6 +138,18 @@ class FalconCsaxs(Device):
|
||||
sim_mode=False,
|
||||
**kwargs,
|
||||
):
|
||||
"""Initialize Falcon detector
|
||||
Args:
|
||||
#TODO add here the parameters for kind, read_attrs, configuration_attrs, parent
|
||||
prefix (str): PV prefix ("X12SA-SITORO:)
|
||||
name (str): 'falcon'
|
||||
kind (str):
|
||||
read_attrs (list):
|
||||
configuration_attrs (list):
|
||||
parent (object):
|
||||
device_manager (object): BEC device manager
|
||||
sim_mode (bool): simulation mode to start the detector without BEC, e.g. from ipython shell
|
||||
"""
|
||||
super().__init__(
|
||||
prefix=prefix,
|
||||
name=name,
|
||||
@ -130,7 +163,8 @@ class FalconCsaxs(Device):
|
||||
raise FalconError("Add DeviceManager to initialization or init with sim_mode=True")
|
||||
self._stopped = False
|
||||
self.name = name
|
||||
self.wait_for_connection() # Make sure to be connected before talking to PVs
|
||||
self.wait_for_connection()
|
||||
# Spin up connections for simulation or BEC mode
|
||||
if not sim_mode:
|
||||
from bec_lib.core.bec_service import SERVICE_CONFIG
|
||||
|
||||
@ -138,37 +172,60 @@ class FalconCsaxs(Device):
|
||||
self._producer = self.device_manager.producer
|
||||
self.service_cfg = SERVICE_CONFIG.config["service_config"]["file_writer"]
|
||||
else:
|
||||
base_path = f"/sls/X12SA/data/{self.scaninfo.username}/Data10/"
|
||||
self._producer = bec_utils.MockProducer()
|
||||
self.device_manager = bec_utils.MockDeviceManager()
|
||||
self.scaninfo = BecScaninfoMixin(device_manager, sim_mode)
|
||||
self.scaninfo.load_scan_metadata()
|
||||
self.service_cfg = {"base_path": f"/sls/X12SA/data/{self.scaninfo.username}/Data10/"}
|
||||
self.service_cfg = {"base_path": base_path}
|
||||
|
||||
self.scaninfo = BecScaninfoMixin(device_manager, sim_mode)
|
||||
self.scaninfo.load_scan_metadata()
|
||||
self.filewriter = FileWriterMixin(self.service_cfg)
|
||||
self._init()
|
||||
|
||||
self.readout = 0.003 # 3 ms
|
||||
def _init(self) -> None:
|
||||
"""Initialize detector, filewriter and set default parameters"""
|
||||
self._default_parameter()
|
||||
self._init_detector()
|
||||
self._init_filewriter()
|
||||
|
||||
def _default_parameter(self) -> None:
|
||||
"""Set default parameters for Falcon
|
||||
readout (float): readout time in seconds
|
||||
_value_pixel_per_buffer (int): number of spectra in buffer of Falcon Sitoro"""
|
||||
self.readout = 1e-3
|
||||
self._value_pixel_per_buffer = 20 # 16
|
||||
self._clean_up()
|
||||
self._init_hdf5_saving()
|
||||
self._init_mapping_mode()
|
||||
self._stop_det()
|
||||
self._stop_file_writer()
|
||||
|
||||
def _clean_up(self) -> None:
|
||||
"""Clean up"""
|
||||
self.hdf5.capture.put(0)
|
||||
def _stop_det(self) -> None:
|
||||
""" "Stop detector"""
|
||||
self.stop_all.put(1)
|
||||
self.erase_all.put(1)
|
||||
|
||||
def _init_hdf5_saving(self) -> None:
|
||||
"""Set up hdf5 save parameters"""
|
||||
def _stop_file_writer(self) -> None:
|
||||
""" "Stop the file writer"""
|
||||
self.hdf5.capture.put(0)
|
||||
|
||||
def _init_filewriter(self) -> None:
|
||||
"""Initialize file writer for Falcon.
|
||||
This includes setting variables for the HDF5 plugin (EPICS) that is used to write the data.
|
||||
"""
|
||||
self.hdf5.enable.put(1) # EnableCallbacks
|
||||
self.hdf5.xml_file_name.put("layout.xml") # Points to hardcopy of HDF5 Layout xml file
|
||||
self.hdf5.lazy_open.put(1) # Yes -> To be checked how to add FilePlugin_V21+
|
||||
self.hdf5.lazy_open.put(
|
||||
1
|
||||
) # Potentially not needed, means a temp data file is created first, could be 0
|
||||
self.hdf5.temp_suffix.put("") # -> To be checked how to add FilePlugin_V22+
|
||||
self.hdf5.queue_size.put(2000)
|
||||
self.hdf5.queue_size.put(2000) # size of queue for spectra in the buffer
|
||||
|
||||
def _init_mapping_mode(self) -> None:
|
||||
"""Set up mapping mode params"""
|
||||
def _init_detector(self) -> None:
|
||||
"""Initialize Falcon detector.
|
||||
The detector is operated in MCA mapping mode.
|
||||
Parameters here affect the triggering, gating etc.
|
||||
This includes also the readout chunk size and whether data is segmented into spectra in EPICS.
|
||||
"""
|
||||
self.collect_mode.put(1) # 1 MCA Mapping, 0 MCA Spectrum
|
||||
self.preset_mode.put(1) # 1 Realtime
|
||||
self.input_logic_polarity.put(0) # 0 Normal, 1 Inverted
|
||||
@ -176,24 +233,47 @@ class FalconCsaxs(Device):
|
||||
self.ignore_gate.put(0) # 1 Yes, 0 No
|
||||
self.auto_pixels_per_buffer.put(0) # 0 Manual 1 Auto
|
||||
self.pixels_per_buffer.put(self._value_pixel_per_buffer) #
|
||||
self.nd_array_mode.put(1)
|
||||
self.nd_array_mode.put(1) # Segmentation happens in EPICS
|
||||
|
||||
def stage(self) -> List[object]:
|
||||
"""Stage command, called from BEC in preparation of a scan.
|
||||
This will iniate the preparation of detector and file writer.
|
||||
The following functuions are called (at least):
|
||||
- _prep_file_writer
|
||||
- _prep_det
|
||||
- _publish_file_location
|
||||
The device returns a List[object] from the Ophyd Device class.
|
||||
|
||||
#TODO make sure this is fullfiled
|
||||
|
||||
Staging not idempotent and should raise
|
||||
:obj:`RedundantStaging` if staged twice without an
|
||||
intermediate :meth:`~BlueskyInterface.unstage`.
|
||||
"""
|
||||
self._stopped = False
|
||||
self.scaninfo.load_scan_metadata()
|
||||
self.mokev = self.device_manager.devices.mokev.obj.read()[
|
||||
self.device_manager.devices.mokev.name
|
||||
]["value"]
|
||||
self._prep_file_writer()
|
||||
self._prep_det()
|
||||
state = False
|
||||
self._publish_file_location(done=state, successful=state)
|
||||
self._arm_acquisition()
|
||||
return super().stage()
|
||||
|
||||
def _prep_det(self) -> None:
|
||||
"""Prepare detector for acquisition"""
|
||||
self.collect_mode.put(1)
|
||||
self.preset_real.put(self.scaninfo.exp_time)
|
||||
self.pixels_per_run.put(int(self.scaninfo.num_points * self.scaninfo.frames_per_trigger))
|
||||
# self.auto_pixels_per_buffer.put(0)
|
||||
# self.pixels_per_buffer.put(self._value_pixel_per_buffer)
|
||||
|
||||
def _prep_file_writer(self) -> None:
|
||||
"""Prep HDF5 weriting"""
|
||||
# TODO creta filename and destination path from filepath
|
||||
self.destination_path = self.filewriter.compile_full_filename(
|
||||
"""Prepare filewriting from HDF5 plugin"""
|
||||
self.filepath = self.filewriter.compile_full_filename(
|
||||
self.scaninfo.scan_number, f"{self.name}.h5", 1000, 5, True
|
||||
)
|
||||
# self.hdf5.file_path.set(self.destination_path)
|
||||
file_path, file_name = os.path.split(self.destination_path)
|
||||
file_path, file_name = os.path.split(self.filepath)
|
||||
self.hdf5.file_path.put(file_path)
|
||||
self.hdf5.file_name.put(file_name)
|
||||
self.hdf5.file_template.put(f"%s%s")
|
||||
@ -202,29 +282,23 @@ class FalconCsaxs(Device):
|
||||
self.hdf5.array_counter.put(0)
|
||||
self.hdf5.capture.put(1)
|
||||
|
||||
def stage(self) -> List[object]:
|
||||
"""stage the detector and file writer"""
|
||||
# TODO clean up needed?
|
||||
self._stopped = False
|
||||
self.scaninfo.load_scan_metadata()
|
||||
self.mokev = self.device_manager.devices.mokev.obj.read()[
|
||||
self.device_manager.devices.mokev.name
|
||||
]["value"]
|
||||
|
||||
logger.info("Waiting for pilatus2 to be armed")
|
||||
self._prep_det()
|
||||
logger.info("Pilatus2 armed")
|
||||
logger.info("Waiting for pilatus2 zmq stream to be ready")
|
||||
self._prep_file_writer()
|
||||
logger.info("Pilatus2 zmq ready")
|
||||
|
||||
msg = BECMessage.FileMessage(file_path=self.destination_path, done=False)
|
||||
def _publish_file_location(self, done=False, successful=False) -> None:
|
||||
"""Publish the filepath to REDIS
|
||||
First msg for file writer and the second one for other listeners (e.g. radial integ)
|
||||
"""
|
||||
pipe = self._producer.pipeline()
|
||||
msg = BECMessage.FileMessage(file_path=self.filepath, done=done, successful=successful)
|
||||
self._producer.set_and_publish(
|
||||
MessageEndpoints.public_file(self.scaninfo.scanID, self.name),
|
||||
msg.dumps(),
|
||||
MessageEndpoints.public_file(self.scaninfo.scanID, self.name), msg.dumps(), pipe=pipe
|
||||
)
|
||||
self.arm_acquisition()
|
||||
logger.info("Waiting for Falcon to be armed")
|
||||
self._producer.set_and_publish(
|
||||
MessageEndpoints.file_event(self.name), msg.dumps(), pip=pipe
|
||||
)
|
||||
pipe.execute()
|
||||
|
||||
def _arm_acquisition(self) -> None:
|
||||
"""Arm Falcon detector for acquisition"""
|
||||
self.start_all.put(1)
|
||||
while True:
|
||||
det_ctrl = self.state.read()[self.state.name]["value"]
|
||||
if det_ctrl == int(DetectorState.ACQUIRING):
|
||||
@ -232,14 +306,28 @@ class FalconCsaxs(Device):
|
||||
if self._stopped == True:
|
||||
break
|
||||
time.sleep(0.005)
|
||||
logger.info("Falcon is armed")
|
||||
return super().stage()
|
||||
|
||||
def arm_acquisition(self) -> None:
|
||||
self.start_all.put(1)
|
||||
# TODO function for abstract class?
|
||||
def trigger(self) -> DeviceStatus:
|
||||
"""Trigger the detector, called from BEC."""
|
||||
self._on_trigger()
|
||||
return super().trigger()
|
||||
|
||||
# TODO function for abstract class?
|
||||
def _on_trigger(self):
|
||||
"""Specify action that should be taken upon trigger signal."""
|
||||
pass
|
||||
|
||||
def unstage(self) -> List[object]:
|
||||
logger.info("Waiting for Falcon to return from acquisition")
|
||||
"""Unstage the device.
|
||||
|
||||
This method must be idempotent, multiple calls (without a new
|
||||
call to 'stage') have no effect.
|
||||
|
||||
Functions called:
|
||||
- _finished
|
||||
- _publish_file_location
|
||||
"""
|
||||
old_scanID = self.scaninfo.scanID
|
||||
self.scaninfo.load_scan_metadata()
|
||||
logger.info(f"Old scanID: {old_scanID}, ")
|
||||
@ -247,20 +335,25 @@ class FalconCsaxs(Device):
|
||||
self._stopped = True
|
||||
if self._stopped:
|
||||
return super().unstage()
|
||||
self._falcon_finished()
|
||||
self._clean_up()
|
||||
self._finished()
|
||||
state = True
|
||||
msg = BECMessage.FileMessage(file_path=self.destination_path, done=True, successful=state)
|
||||
self._producer.set_and_publish(
|
||||
MessageEndpoints.public_file(self.scaninfo.metadata["scanID"], self.name),
|
||||
msg.dumps(),
|
||||
)
|
||||
self._publish_file_location(done=state, successful=state)
|
||||
self._stopped = False
|
||||
logger.info("Falcon done")
|
||||
return super().unstage()
|
||||
|
||||
def _falcon_finished(self):
|
||||
"""Function with 10s timeout"""
|
||||
def _finished(self):
|
||||
"""Check if acquisition is finished.
|
||||
|
||||
This function is called from unstage and stop
|
||||
and will check detector and file backend status.
|
||||
Timeouts after given time
|
||||
|
||||
Functions called:
|
||||
- _stop_det
|
||||
- _stop_file_writer
|
||||
"""
|
||||
sleep_time = 0.1
|
||||
timeout = 5
|
||||
timer = 0
|
||||
while True:
|
||||
det_ctrl = self.state.read()[self.state.name]["value"]
|
||||
@ -268,25 +361,25 @@ class FalconCsaxs(Device):
|
||||
received_frames = self.dxp.current_pixel.get()
|
||||
written_frames = self.hdf5.array_counter.get()
|
||||
total_frames = int(self.scaninfo.num_points * self.scaninfo.frames_per_trigger)
|
||||
# TODO if no writing was performed before
|
||||
# TODO Could check state of detector (det_ctrl) and file writer (writer_ctrl)
|
||||
if total_frames == received_frames and total_frames == written_frames:
|
||||
break
|
||||
if self._stopped == True:
|
||||
break
|
||||
time.sleep(0.1)
|
||||
timer += 0.1
|
||||
if timer > 5:
|
||||
time.sleep(sleep_time)
|
||||
timer += sleep_time
|
||||
if timer > timeout:
|
||||
logger.info(
|
||||
f"Falcon missed a trigger: received trigger {received_frames}, send data {written_frames} from total_frames {total_frames}"
|
||||
)
|
||||
break
|
||||
# raise FalconTimeoutError
|
||||
# f"Reached timeout with detector state {det_ctrl}, falcon state {writer_ctrl}, received trigger {received_frames} and files written {written_frames}"
|
||||
# )
|
||||
self._stop_det()
|
||||
self._stop_file_writer()
|
||||
|
||||
def stop(self, *, success=False) -> None:
|
||||
"""Stop the scan, with camera and file writer"""
|
||||
self._clean_up()
|
||||
self._stop_det()
|
||||
self._stop_file_writer()
|
||||
super().stop(success=success)
|
||||
self._stopped = True
|
||||
|
||||
|
||||
@ -1,32 +1,36 @@
|
||||
import enum
|
||||
import json
|
||||
import os
|
||||
import subprocess
|
||||
import time
|
||||
from typing import List
|
||||
from bec_lib.core.devicemanager import DeviceStatus
|
||||
import requests
|
||||
import numpy as np
|
||||
|
||||
from typing import List
|
||||
|
||||
from ophyd import EpicsSignal, EpicsSignalRO, EpicsSignalWithRBV
|
||||
from ophyd import DetectorBase, Device, Staged
|
||||
from ophyd import ADComponent as ADCpt
|
||||
from ophyd_devices.utils import bec_utils as bec_utils
|
||||
|
||||
from bec_lib.core import BECMessage, MessageEndpoints
|
||||
from bec_lib.core.file_utils import FileWriterMixin
|
||||
from bec_lib.core import bec_logger
|
||||
|
||||
|
||||
from ophyd_devices.utils import bec_utils as bec_utils
|
||||
from ophyd_devices.epics.devices.bec_scaninfo_mixin import BecScaninfoMixin
|
||||
|
||||
logger = bec_logger.logger
|
||||
|
||||
|
||||
class PilatusError(Exception):
|
||||
"""Base class for exceptions in this module."""
|
||||
|
||||
pass
|
||||
|
||||
|
||||
class PilatusTimeoutError(Exception):
|
||||
"""Raised when the Pilatus does not respond in time during unstage."""
|
||||
|
||||
pass
|
||||
|
||||
|
||||
@ -38,50 +42,12 @@ class TriggerSource(int, enum.Enum):
|
||||
ALGINMENT = 4
|
||||
|
||||
|
||||
class SlsDetectorCam(Device): # CamBase, FileBase):
|
||||
# detector_type = ADCpt(EpicsSignalRO, "DetectorType_RBV")
|
||||
# setting = ADCpt(EpicsSignalWithRBV, "Setting")
|
||||
# beam_energy = ADCpt(EpicsSignalWithRBV, "BeamEnergy")
|
||||
# enable_trimbits = ADCpt(EpicsSignalWithRBV, "Trimbits")
|
||||
# bit_depth = ADCpt(EpicsSignalWithRBV, "BitDepth")
|
||||
# trigger_software = ADCpt(EpicsSignal, "TriggerSoftware")
|
||||
# high_voltage = ADCpt(EpicsSignalWithRBV, "HighVoltage")
|
||||
# Receiver and data callback
|
||||
# receiver_mode = ADCpt(EpicsSignalWithRBV, "ReceiverMode")
|
||||
# receiver_stream = ADCpt(EpicsSignalWithRBV, "ReceiverStream")
|
||||
# enable_data = ADCpt(EpicsSignalWithRBV, "UseDataCallback")
|
||||
# missed_packets = ADCpt(EpicsSignalRO, "ReceiverMissedPackets_RBV")
|
||||
# # Direct settings access
|
||||
# setup_file = ADCpt(EpicsSignal, "SetupFile")
|
||||
# load_setup = ADCpt(EpicsSignal, "LoadSetup")
|
||||
# command = ADCpt(EpicsSignal, "Command")
|
||||
# Mythen 3
|
||||
# counter_mask = ADCpt(EpicsSignalWithRBV, "CounterMask")
|
||||
# counter1_threshold = ADCpt(EpicsSignalWithRBV, "Counter1Threshold")
|
||||
# counter2_threshold = ADCpt(EpicsSignalWithRBV, "Counter2Threshold")
|
||||
# counter3_threshold = ADCpt(EpicsSignalWithRBV, "Counter3Threshold")
|
||||
# gate1_delay = ADCpt(EpicsSignalWithRBV, "Gate1Delay")
|
||||
# gate1_width = ADCpt(EpicsSignalWithRBV, "Gate1Width")
|
||||
# gate2_delay = ADCpt(EpicsSignalWithRBV, "Gate2Delay")
|
||||
# gate2_width = ADCpt(EpicsSignalWithRBV, "Gate2Width")
|
||||
# gate3_delay = ADCpt(EpicsSignalWithRBV, "Gate3Delay")
|
||||
# gate3_width = ADCpt(EpicsSignalWithRBV, "Gate3Width")
|
||||
# Moench
|
||||
# json_frame_mode = ADCpt(EpicsSignalWithRBV, "JsonFrameMode")
|
||||
# json_detector_mode = ADCpt(EpicsSignalWithRBV, "JsonDetectorMode")
|
||||
class SlsDetectorCam(Device):
|
||||
"""SLS Detector Camera - Pilatus
|
||||
|
||||
# Eiger9M
|
||||
# delay_time = ADCpt(EpicsSignalWithRBV, "DelayTime")
|
||||
# num_frames = ADCpt(EpicsSignalWithRBV, "NumFrames")
|
||||
# acquire = ADCpt(EpicsSignal, "Acquire")
|
||||
# acquire_time = ADCpt(EpicsSignal, 'AcquireTime')
|
||||
# detector_state = ADCpt(EpicsSignalRO, "DetectorState_RBV")
|
||||
# threshold_energy = ADCpt(EpicsSignalWithRBV, "ThresholdEnergy")
|
||||
# num_gates = ADCpt(EpicsSignalWithRBV, "NumGates")
|
||||
# num_cycles = ADCpt(EpicsSignalWithRBV, "NumCycles")
|
||||
# timing_mode = ADCpt(EpicsSignalWithRBV, "TimingMode")
|
||||
Base class to map EPICS PVs to ophyd signals.
|
||||
"""
|
||||
|
||||
# Pilatus_2 300k
|
||||
num_images = ADCpt(EpicsSignalWithRBV, "NumImages")
|
||||
num_exposures = ADCpt(EpicsSignalWithRBV, "NumExposures")
|
||||
delay_time = ADCpt(EpicsSignalWithRBV, "NumExposures")
|
||||
@ -116,6 +82,11 @@ class PilatusCsaxs(DetectorBase):
|
||||
|
||||
"""
|
||||
|
||||
# Specify which functions are revealed to the user in BEC client
|
||||
USER_ACCESS = [
|
||||
"describe",
|
||||
]
|
||||
|
||||
cam = ADCpt(SlsDetectorCam, "cam1:")
|
||||
|
||||
def __init__(
|
||||
@ -131,6 +102,18 @@ class PilatusCsaxs(DetectorBase):
|
||||
sim_mode=False,
|
||||
**kwargs,
|
||||
):
|
||||
"""Initialize the Pilatus detector
|
||||
Args:
|
||||
#TODO add here the parameters for kind, read_attrs, configuration_attrs, parent
|
||||
prefix (str): PV prefix ("X12SA-ES-PILATUS300K:)
|
||||
name (str): 'pilatus_2'
|
||||
kind (str):
|
||||
read_attrs (list):
|
||||
configuration_attrs (list):
|
||||
parent (object):
|
||||
device_manager (object): BEC device manager
|
||||
sim_mode (bool): simulation mode to start the detector without BEC, e.g. from ipython shell
|
||||
"""
|
||||
super().__init__(
|
||||
prefix=prefix,
|
||||
name=name,
|
||||
@ -144,7 +127,8 @@ class PilatusCsaxs(DetectorBase):
|
||||
raise PilatusError("Add DeviceManager to initialization or init with sim_mode=True")
|
||||
|
||||
self.name = name
|
||||
self.wait_for_connection() # Make sure to be connected before talking to PVs
|
||||
self.wait_for_connection()
|
||||
# Spin up connections for simulation or BEC mode
|
||||
if not sim_mode:
|
||||
from bec_lib.core.bec_service import SERVICE_CONFIG
|
||||
|
||||
@ -152,24 +136,39 @@ class PilatusCsaxs(DetectorBase):
|
||||
self._producer = self.device_manager.producer
|
||||
self.service_cfg = SERVICE_CONFIG.config["service_config"]["file_writer"]
|
||||
else:
|
||||
base_path = f"/sls/X12SA/data/{self.scaninfo.username}/Data10/"
|
||||
self._producer = bec_utils.MockProducer()
|
||||
self.device_manager = bec_utils.MockDeviceManager()
|
||||
self.scaninfo = BecScaninfoMixin(device_manager, sim_mode)
|
||||
self.scaninfo.load_scan_metadata()
|
||||
self.service_cfg = {"base_path": f"/sls/X12SA/data/{self.scaninfo.username}/Data10/"}
|
||||
self.service_cfg = {"base_path": base_path}
|
||||
|
||||
self.scaninfo = BecScaninfoMixin(device_manager, sim_mode)
|
||||
self.filepath_h5 = ""
|
||||
|
||||
self.scaninfo.load_scan_metadata()
|
||||
self.filewriter = FileWriterMixin(self.service_cfg)
|
||||
self.readout = 1e-3 # 3 ms
|
||||
self._init()
|
||||
|
||||
# TODO maybe needed
|
||||
# self._close_file_writer()
|
||||
def _init(self) -> None:
|
||||
"""Initialize detector, filewriter and set default parameters"""
|
||||
self._default_parameter()
|
||||
self._init_detector()
|
||||
self._init_filewriter()
|
||||
|
||||
def _get_current_scan_msg(self) -> BECMessage.ScanStatusMessage:
|
||||
msg = self.device_manager.producer.get(MessageEndpoints.scan_status())
|
||||
return BECMessage.ScanStatusMessage.loads(msg)
|
||||
def _default_parameter(self) -> None:
|
||||
"""Set default parameters for Pilatus300k detector
|
||||
readout (float): readout time in seconds
|
||||
"""
|
||||
self.reduce_readout = 1e-3
|
||||
|
||||
def _init_detector(self) -> None:
|
||||
"""Initialize the detector"""
|
||||
# TODO add check if detector is running
|
||||
pass
|
||||
|
||||
def _init_filewriter(self) -> None:
|
||||
"""Initialize the file writer"""
|
||||
# TODO in case the data backend is rewritten, add check if it is ready!
|
||||
pass
|
||||
|
||||
def _prep_det(self) -> None:
|
||||
# TODO slow reaction, seemed to have timeout.
|
||||
@ -181,10 +180,10 @@ class PilatusCsaxs(DetectorBase):
|
||||
factor = 1
|
||||
if self.cam.threshold_energy._metadata["units"] == "eV":
|
||||
factor = 1000
|
||||
setp_energy = int(self.mokev * factor)
|
||||
setpoint = int(self.mokev * factor)
|
||||
threshold = self.cam.threshold_energy.read()[self.cam.threshold_energy.name]["value"]
|
||||
if not np.isclose(setp_energy / 2, threshold, rtol=0.05):
|
||||
self.cam.threshold_energy.set(setp_energy / 2)
|
||||
if not np.isclose(setpoint / 2, threshold, rtol=0.05):
|
||||
self.cam.threshold_energy.set(setpoint / 2)
|
||||
|
||||
def _set_acquisition_params(self) -> None:
|
||||
"""set acquisition parameters on the detector"""
|
||||
@ -220,7 +219,7 @@ class PilatusCsaxs(DetectorBase):
|
||||
self._stop_file_writer()
|
||||
time.sleep(0.1)
|
||||
|
||||
self.filepath_h5 = self.filewriter.compile_full_filename(
|
||||
self.filepath_raw = self.filewriter.compile_full_filename(
|
||||
self.scaninfo.scan_number, "pilatus_2.h5", 1000, 5, True
|
||||
)
|
||||
self.cam.file_path.put(f"/dev/shm/zmq/")
|
||||
@ -232,19 +231,19 @@ class PilatusCsaxs(DetectorBase):
|
||||
|
||||
# compile filename
|
||||
basepath = f"/sls/X12SA/data/{self.scaninfo.username}/Data10/pilatus_2/"
|
||||
self.destination_path = os.path.join(
|
||||
self.filepath = os.path.join(
|
||||
basepath,
|
||||
self.filewriter.get_scan_directory(self.scaninfo.scan_number, 1000, 5),
|
||||
)
|
||||
# Make directory if needed
|
||||
os.makedirs(self.destination_path, exist_ok=True)
|
||||
os.makedirs(self.filepath, exist_ok=True)
|
||||
|
||||
data_msg = {
|
||||
"source": [
|
||||
{
|
||||
"searchPath": "/",
|
||||
"searchPattern": "glob:*.cbf",
|
||||
"destinationPath": self.destination_path,
|
||||
"destinationPath": self.filepath,
|
||||
}
|
||||
]
|
||||
}
|
||||
@ -339,32 +338,76 @@ class PilatusCsaxs(DetectorBase):
|
||||
res.raise_for_status()
|
||||
|
||||
def stage(self) -> List[object]:
|
||||
"""stage the detector and file writer"""
|
||||
self._acquisition_done = False
|
||||
"""Stage command, called from BEC in preparation of a scan.
|
||||
This will iniate the preparation of detector and file writer.
|
||||
The following functuions are called:
|
||||
- _prep_file_writer
|
||||
- _prep_det
|
||||
- _publish_file_location
|
||||
|
||||
The device returns a List[object] from the Ophyd Device class.
|
||||
|
||||
#TODO make sure this is fullfiled
|
||||
|
||||
Staging not idempotent and should raise
|
||||
:obj:`RedundantStaging` if staged twice without an
|
||||
intermediate :meth:`~BlueskyInterface.unstage`.
|
||||
"""
|
||||
self._stopped = False
|
||||
self.scaninfo.load_scan_metadata()
|
||||
self.mokev = self.device_manager.devices.mokev.obj.read()[
|
||||
self.device_manager.devices.mokev.name
|
||||
]["value"]
|
||||
|
||||
logger.info("Waiting for pilatus2 to be armed")
|
||||
self._prep_det()
|
||||
logger.info("Pilatus2 armed")
|
||||
logger.info("Waiting for pilatus2 zmq stream to be ready")
|
||||
# TODO refactor logger.info to DEBUG mode?
|
||||
self._prep_file_writer()
|
||||
logger.info("Pilatus2 zmq ready")
|
||||
msg = BECMessage.FileMessage(
|
||||
file_path=self.filepath_h5, done=False, metadata={"input_path": self.destination_path}
|
||||
)
|
||||
self._prep_det()
|
||||
state = False
|
||||
self._publish_file_location(done=state, successful=state)
|
||||
return super().stage()
|
||||
|
||||
# TODO might be useful for base class
|
||||
def pre_scan(self) -> None:
|
||||
""" " Pre_scan gets executed right before"""
|
||||
self._arm_acquisition()
|
||||
|
||||
def _arm_acquisition(self) -> None:
|
||||
self.acquire()
|
||||
|
||||
def _publish_file_location(self, done=False, successful=False) -> None:
|
||||
"""Publish the filepath to REDIS
|
||||
First msg for file writer and the second one for other listeners (e.g. radial integ)
|
||||
"""
|
||||
pipe = self._producer.pipeline()
|
||||
msg = BECMessage.FileMessage(file_path=self.filepath, done=done, successful=successful)
|
||||
self._producer.set_and_publish(
|
||||
MessageEndpoints.public_file(self.scaninfo.scanID, self.name), msg.dumps(), pipe=pipe
|
||||
)
|
||||
self._producer.set_and_publish(
|
||||
MessageEndpoints.file_event(self.name), msg.dumps(), pip=pipe
|
||||
)
|
||||
pipe.execute()
|
||||
|
||||
# TODO function for abstract class?
|
||||
def trigger(self) -> DeviceStatus:
|
||||
"""Trigger the detector, called from BEC."""
|
||||
self._on_trigger()
|
||||
return super().trigger()
|
||||
|
||||
# TODO function for abstract class?
|
||||
def _on_trigger(self):
|
||||
"""Specify action that should be taken upon trigger signal."""
|
||||
pass
|
||||
|
||||
def unstage(self) -> List[object]:
|
||||
"""unstage the detector and file writer"""
|
||||
# Reset to software trigger
|
||||
logger.info("Waiting for Pilatus to return from acquisition")
|
||||
"""Unstage the device.
|
||||
|
||||
This method must be idempotent, multiple calls (without a new
|
||||
call to 'stage') have no effect.
|
||||
|
||||
Functions called:
|
||||
- _finished
|
||||
- _publish_file_location
|
||||
"""
|
||||
old_scanID = self.scaninfo.scanID
|
||||
self.scaninfo.load_scan_metadata()
|
||||
logger.info(f"Old scanID: {old_scanID}, ")
|
||||
@ -372,27 +415,37 @@ class PilatusCsaxs(DetectorBase):
|
||||
self._stopped = True
|
||||
if self._stopped:
|
||||
return super().unstage()
|
||||
self._pilatus_finished()
|
||||
msg = BECMessage.FileMessage(
|
||||
file_path=self.filepath_h5, done=True, metadata={"input_path": self.destination_path}
|
||||
)
|
||||
self._producer.set_and_publish(
|
||||
MessageEndpoints.public_file(self.scaninfo.scanID, self.name),
|
||||
msg.dumps(),
|
||||
)
|
||||
self._producer.set_and_publish(
|
||||
MessageEndpoints.file_event(self.name),
|
||||
msg.dumps(),
|
||||
)
|
||||
logger.info("Pilatus2 done")
|
||||
self._finished()
|
||||
state = True
|
||||
self._publish_file_location(done=state, successful=state)
|
||||
self._start_h5converter(done=state)
|
||||
return super().unstage()
|
||||
|
||||
def _pilatus_finished(self) -> None:
|
||||
# time.sleep(2)
|
||||
def _start_h5converter(self, done=False) -> None:
|
||||
"""Start the h5converter"""
|
||||
msg = BECMessage.FileMessage(
|
||||
file_path=self.filepath_raw, done=done, metadata={"input_path": self.filepath}
|
||||
)
|
||||
self._producer.set_and_publish(
|
||||
MessageEndpoints.public_file(self.scaninfo.scanID, self.name), msg.dumps()
|
||||
)
|
||||
|
||||
def _finished(self) -> None:
|
||||
"""Check if acquisition is finished.
|
||||
|
||||
This function is called from unstage and stop
|
||||
and will check detector and file backend status.
|
||||
Timeouts after given time
|
||||
|
||||
Functions called:
|
||||
- _stop_det
|
||||
- _stop_file_writer
|
||||
"""
|
||||
while True:
|
||||
if self.device_manager.devices.mcs.obj._staged != Staged.yes:
|
||||
break
|
||||
time.sleep(0.1)
|
||||
# TODO implement a waiting function or not
|
||||
# time.sleep(2)
|
||||
# timer = 0
|
||||
# while True:
|
||||
@ -412,7 +465,9 @@ class PilatusCsaxs(DetectorBase):
|
||||
# # f"Pilatus timeout with detector state {self.cam.acquire.get()} and camserver return status: {rtr} "
|
||||
# # )
|
||||
|
||||
self._stop_det()
|
||||
self._stop_file_writer()
|
||||
# TODO explore if sleep is needed
|
||||
time.sleep(0.5)
|
||||
self._close_file_writer()
|
||||
|
||||
@ -421,15 +476,18 @@ class PilatusCsaxs(DetectorBase):
|
||||
or arm the detector in hardware of the detector
|
||||
"""
|
||||
self.cam.acquire.put(1)
|
||||
# TODO check if sleep of 1s is needed, could be that less is enough
|
||||
time.sleep(1)
|
||||
|
||||
def _stop_det(self) -> None:
|
||||
"""Stop the detector"""
|
||||
self.cam.acquire.put(0)
|
||||
|
||||
def stop(self, *, success=False) -> None:
|
||||
"""Stop the scan, with camera and file writer"""
|
||||
self.cam.acquire.put(0)
|
||||
self._stop_det()
|
||||
self._stop_file_writer()
|
||||
# TODO maybe needed
|
||||
self._close_file_writer()
|
||||
# self.unstage()
|
||||
super().stop(success=success)
|
||||
self._stopped = True
|
||||
|
||||
|
||||
Reference in New Issue
Block a user