feat: add CustomDetectorMixin, and Eiger9M setup to separate core functionality in the ophyd integration
This commit is contained in:
parent
225277949d
commit
c8f05fe290
@ -22,7 +22,8 @@ from ophyd_devices.utils import bec_utils
|
||||
|
||||
logger = bec_logger.logger
|
||||
|
||||
EIGER9M_MIN_READOUT = 3e-3
|
||||
# Specify here the minimum readout time for the detector
|
||||
MIN_READOUT = 3e-3
|
||||
|
||||
|
||||
class EigerError(Exception):
|
||||
@ -44,6 +45,404 @@ class EigerInitError(EigerError):
|
||||
pass
|
||||
|
||||
|
||||
class CustomDetectorMixin:
|
||||
def __init__(self, parent: Device = None, *args, **kwargs) -> None:
|
||||
self.parent = parent
|
||||
|
||||
def initialize_default_parameter(self) -> None:
|
||||
"""
|
||||
Init parameters for the detector
|
||||
|
||||
Raises (optional):
|
||||
DetectorTimeoutError: if detector cannot be initialized
|
||||
"""
|
||||
pass
|
||||
|
||||
def initialize_detector(self) -> None:
|
||||
"""
|
||||
Init parameters for the detector
|
||||
|
||||
Raises (optional):
|
||||
DetectorTimeoutError: if detector cannot be initialized
|
||||
"""
|
||||
pass
|
||||
|
||||
def initialize_detector_backend(self) -> None:
|
||||
"""
|
||||
Init parameters for teh detector backend (filewriter)
|
||||
|
||||
Raises (optional):
|
||||
DetectorTimeoutError: if filewriter cannot be initialized
|
||||
"""
|
||||
pass
|
||||
|
||||
def prepare_detector(self) -> None:
|
||||
"""
|
||||
Prepare detector for the scan
|
||||
"""
|
||||
pass
|
||||
|
||||
def prepare_data_backend(self) -> None:
|
||||
"""
|
||||
Prepare the data backend for the scan
|
||||
"""
|
||||
pass
|
||||
|
||||
def stop_detector(self) -> None:
|
||||
"""
|
||||
Stop the detector
|
||||
"""
|
||||
pass
|
||||
|
||||
def stop_detector_backend(self) -> None:
|
||||
"""
|
||||
Stop the detector backend
|
||||
"""
|
||||
pass
|
||||
|
||||
def on_trigger(self) -> None:
|
||||
"""
|
||||
Specify actions to be executed upon receiving trigger signal
|
||||
"""
|
||||
pass
|
||||
|
||||
def pre_scan(self) -> None:
|
||||
"""
|
||||
Specify actions to be executed right before a scan
|
||||
|
||||
BEC calls pre_scan just before execution of the scan core.
|
||||
It is convenient to execute time critical features of the detector,
|
||||
e.g. arming it, but it is recommended to keep this function as short/fast as possible.
|
||||
"""
|
||||
pass
|
||||
|
||||
def finished(self) -> None:
|
||||
"""
|
||||
Specify actions to be executed during unstage
|
||||
|
||||
This may include checks if acquisition was succesful
|
||||
|
||||
Raises (optional):
|
||||
DetectorTimeoutError: if detector cannot be stopped
|
||||
"""
|
||||
|
||||
|
||||
class Eiger9MSetup(CustomDetectorMixin):
|
||||
"""Eiger setup class
|
||||
|
||||
Parent class: CustomDetectorMixin
|
||||
|
||||
"""
|
||||
|
||||
def __init__(self, parent: Device = None, *args, **kwargs) -> None:
|
||||
super().__init__(parent=parent, *args, **kwargs)
|
||||
self.std_rest_server_url = (
|
||||
kwargs["file_writer_url"] if "file_writer_url" in kwargs else "http://xbl-daq-29:5000"
|
||||
)
|
||||
self.std_client = None
|
||||
|
||||
def initialize_default_parameter(self) -> None:
|
||||
"""Set default parameters for Eiger9M detector"""
|
||||
self.update_readout_time()
|
||||
|
||||
def update_readout_time(self) -> None:
|
||||
"""Set readout time for Eiger9M detector"""
|
||||
readout_time = (
|
||||
self.parent.scaninfo.readout_time
|
||||
if hasattr(self.parent.scaninfo, "readout_time")
|
||||
else self.parent.readout_time_min
|
||||
)
|
||||
self.parent.readout_time = max(readout_time, self.parent.readout_time_min)
|
||||
|
||||
def initialize_detector(self) -> None:
|
||||
"""Initialize detector"""
|
||||
# Stops the detector
|
||||
self.stop_detector()
|
||||
# Sets the trigger source to GATING
|
||||
self.parent.set_trigger(TriggerSource.GATING)
|
||||
|
||||
def initialize_detector_backend(self) -> None:
|
||||
"""Initialize detector backend"""
|
||||
|
||||
# Std client
|
||||
self.std_client = StdDaqClient(url_base=self.std_rest_server_url)
|
||||
|
||||
# Stop writer
|
||||
self.std_client.stop_writer()
|
||||
|
||||
# TODO put back change of e-account! and check with Leo which status to wait for
|
||||
eacc = self.parent.scaninfo.username
|
||||
self.update_std_cfg("writer_user_id", int(eacc.strip(" e")))
|
||||
|
||||
signal_conditions = [
|
||||
(
|
||||
lambda: self.std_client.get_status()["state"],
|
||||
"READY",
|
||||
),
|
||||
]
|
||||
if not self.wait_for_signals(
|
||||
signal_conditions=signal_conditions,
|
||||
timeout=self.parent.timeout,
|
||||
all_signals=True,
|
||||
):
|
||||
raise EigerTimeoutError(
|
||||
f"Std client not in READY state, returns: {self.std_client.get_status()}"
|
||||
)
|
||||
|
||||
def update_std_cfg(self, cfg_key: str, value: Any) -> None:
|
||||
"""Update std_daq config with new e-account for the current beamtime"""
|
||||
cfg = self.std_client.get_config()
|
||||
old_value = cfg.get(cfg_key)
|
||||
if old_value is None:
|
||||
raise EigerError(
|
||||
f"Tried to change entry for key {cfg_key} in std_config that does not exist"
|
||||
)
|
||||
if not isinstance(value, type(old_value)):
|
||||
raise EigerError(
|
||||
f"Type of new value {type(value)}:{value} does not match old value {type(old_value)}:{old_value}"
|
||||
)
|
||||
cfg.update({cfg_key: value})
|
||||
logger.info(cfg)
|
||||
logger.info(f"Updated std_daq config for key {cfg_key} from {old_value} to {value}")
|
||||
self.std_client.set_config(cfg)
|
||||
|
||||
def stop_detector(self) -> None:
|
||||
"""Stop the detector and wait for the proper status message"""
|
||||
# Stop detector
|
||||
self.parent.cam.acquire.put(0)
|
||||
signal_conditions = [
|
||||
(
|
||||
lambda: self.parent.cam.detector_state.read()[self.parent.cam.detector_state.name][
|
||||
"value"
|
||||
],
|
||||
DetectorState.IDLE,
|
||||
),
|
||||
(lambda: self.parent._stopped, True),
|
||||
]
|
||||
|
||||
if not self.wait_for_signals(
|
||||
signal_conditions=signal_conditions,
|
||||
timeout=self.parent.timeout - self.parent.timeout // 2,
|
||||
all_signals=False,
|
||||
):
|
||||
# Retry stop detector
|
||||
self.parent.cam.acquire.put(0)
|
||||
if not self.wait_for_signals(
|
||||
signal_conditions=signal_conditions,
|
||||
timeout=self.parent.timeout - self.parent.timeout // 2,
|
||||
all_signals=False,
|
||||
):
|
||||
raise EigerTimeoutError("Failed to stop the acquisition. IOC did not update.")
|
||||
|
||||
def stop_detector_backend(self) -> None:
|
||||
"""Close file writer"""
|
||||
self.std_client.stop_writer()
|
||||
|
||||
def prepare_detector(self) -> None:
|
||||
"""Prepare detector for scan.
|
||||
Includes checking the detector threshold, setting the acquisition parameters and setting the trigger source
|
||||
"""
|
||||
self.set_detector_threshold()
|
||||
self.set_acquisition_params()
|
||||
self.parent.set_trigger(TriggerSource.GATING)
|
||||
|
||||
def set_detector_threshold(self) -> None:
|
||||
"""
|
||||
Set correct detector threshold to 1/2 of current X-ray energy, allow 5% tolerance
|
||||
|
||||
Threshold might be in ev or keV
|
||||
"""
|
||||
factor = 1
|
||||
|
||||
# Check if energies are eV or keV, assume keV as the default
|
||||
unit = getattr(self.parent.cam.threshold_energy, "units", None)
|
||||
if unit != None and unit == "eV":
|
||||
factor = 1000
|
||||
|
||||
# set energy on detector
|
||||
setpoint = int(self.parent.mokev * factor)
|
||||
energy = self.parent.cam.beam_energy.read()[self.parent.cam.beam_energy.name]["value"]
|
||||
if setpoint != energy:
|
||||
self.parent.cam.beam_energy.set(setpoint)
|
||||
|
||||
# set threshold on detector
|
||||
threshold = self.parent.cam.threshold_energy.read()[self.parent.cam.threshold_energy.name][
|
||||
"value"
|
||||
]
|
||||
if not np.isclose(setpoint / 2, threshold, rtol=0.05):
|
||||
self.parent.cam.threshold_energy.set(setpoint / 2)
|
||||
|
||||
def set_acquisition_params(self) -> None:
|
||||
"""Set acquisition parameters for the detector"""
|
||||
self.parent.cam.num_images.put(
|
||||
int(self.parent.scaninfo.num_points * self.parent.scaninfo.frames_per_trigger)
|
||||
)
|
||||
self.parent.cam.num_frames.put(1)
|
||||
self.update_readout_time()
|
||||
|
||||
def prepare_data_backend(self) -> None:
|
||||
"""Prepare the data backend for the scan"""
|
||||
self.parent.filepath = self.parent.filewriter.compile_full_filename(
|
||||
self.parent.scaninfo.scan_number, f"{self.parent.name}.h5", 1000, 5, True
|
||||
)
|
||||
self.filepath_exists(self.parent.filepath)
|
||||
self.stop_detector_backend()
|
||||
try:
|
||||
self.std_client.start_writer_async(
|
||||
{
|
||||
"output_file": self.parent.filepath,
|
||||
"n_images": int(
|
||||
self.parent.scaninfo.num_points * self.parent.scaninfo.frames_per_trigger
|
||||
),
|
||||
}
|
||||
)
|
||||
except Exception as exc:
|
||||
time.sleep(5)
|
||||
if self.std_client.get_status()["state"] == "READY":
|
||||
raise EigerTimeoutError(f"Timeout of start_writer_async with {exc}")
|
||||
|
||||
# Check status of std_daq
|
||||
signal_conditions = [
|
||||
(lambda: self.std_client.get_status()["acquisition"]["state"], "WAITING_IMAGES")
|
||||
]
|
||||
if not self.wait_for_signals(
|
||||
signal_conditions=signal_conditions,
|
||||
timeout=self.parent.timeout,
|
||||
check_stopped=False,
|
||||
all_signals=True,
|
||||
):
|
||||
raise EigerTimeoutError(
|
||||
f"Timeout of 5s reached for std_daq start_writer_async with std_daq client status {self.std_client.get_status()}"
|
||||
)
|
||||
|
||||
def filepath_exists(self, filepath: str) -> None:
|
||||
"""Check if filepath exists"""
|
||||
signal_conditions = [(lambda: os.path.exists(os.path.dirname(self.parent.filepath)), True)]
|
||||
if not self.wait_for_signals(
|
||||
signal_conditions=signal_conditions,
|
||||
timeout=self.parent.timeout,
|
||||
check_stopped=False,
|
||||
all_signals=True,
|
||||
):
|
||||
raise EigerError(f"Timeout of 3s reached for filepath {self.parent.filepath}")
|
||||
|
||||
def publish_file_location(self, done: bool = False, successful: bool = None) -> None:
|
||||
"""
|
||||
Publish the filepath to REDIS.
|
||||
|
||||
We publish two events here:
|
||||
- file_event: event for the filewriter
|
||||
- public_file: event for any secondary service (e.g. radial integ code)
|
||||
|
||||
Args:
|
||||
done (bool): True if scan is finished
|
||||
successful (bool): True if scan was successful
|
||||
"""
|
||||
pipe = self.parent._producer.pipeline()
|
||||
if successful is None:
|
||||
msg = BECMessage.FileMessage(file_path=self.parent.filepath, done=done)
|
||||
else:
|
||||
msg = BECMessage.FileMessage(
|
||||
file_path=self.parent.filepath, done=done, successful=successful
|
||||
)
|
||||
self.parent._producer.set_and_publish(
|
||||
MessageEndpoints.public_file(self.parent.scaninfo.scanID, self.parent.name),
|
||||
msg.dumps(),
|
||||
pipe=pipe,
|
||||
)
|
||||
self.parent._producer.set_and_publish(
|
||||
MessageEndpoints.file_event(self.parent.name), msg.dumps(), pipe=pipe
|
||||
)
|
||||
pipe.execute()
|
||||
|
||||
def arm_acquisition(self) -> None:
|
||||
"""Arm Eiger detector for acquisition"""
|
||||
self.parent.cam.acquire.put(1)
|
||||
signal_conditions = [
|
||||
(
|
||||
lambda: self.parent.cam.detector_state.read()[self.parent.cam.detector_state.name][
|
||||
"value"
|
||||
],
|
||||
DetectorState.RUNNING,
|
||||
)
|
||||
]
|
||||
if not self.wait_for_signals(
|
||||
signal_conditions=signal_conditions,
|
||||
timeout=self.parent.timeout,
|
||||
check_stopped=True,
|
||||
all_signals=False,
|
||||
):
|
||||
raise EigerTimeoutError(
|
||||
f"Failed to arm the acquisition. Detector state {signal_conditions[0][0]}"
|
||||
)
|
||||
|
||||
def check_scanID(self) -> None:
|
||||
old_scanID = self.parent.scaninfo.scanID
|
||||
self.parent.scaninfo.load_scan_metadata()
|
||||
if self.parent.scaninfo.scanID != old_scanID:
|
||||
self.parent._stopped = True
|
||||
|
||||
def finished(self):
|
||||
"""Check if acquisition is finished."""
|
||||
signal_conditions = [
|
||||
(
|
||||
lambda: self.parent.cam.acquire.read()[self.parent.cam.acquire.name]["value"],
|
||||
DetectorState.IDLE,
|
||||
),
|
||||
(lambda: self.std_client.get_status()["acquisition"]["state"], "FINISHED"),
|
||||
(
|
||||
lambda: self.std_client.get_status()["acquisition"]["stats"]["n_write_completed"],
|
||||
int(self.parent.scaninfo.num_points * self.parent.scaninfo.frames_per_trigger),
|
||||
),
|
||||
]
|
||||
if not self.wait_for_signals(
|
||||
signal_conditions=signal_conditions,
|
||||
timeout=self.parent.timeout,
|
||||
check_stopped=True,
|
||||
all_signals=True,
|
||||
):
|
||||
self.stop_detector()
|
||||
self.stop_detector_backend()
|
||||
raise EigerTimeoutError(
|
||||
f"Reached timeout with detector state {signal_conditions[0][0]}, std_daq state {signal_conditions[1][0]} and received frames of {signal_conditions[2][0]} for the file writer"
|
||||
)
|
||||
self.stop_detector()
|
||||
self.stop_detector_backend()
|
||||
|
||||
def wait_for_signals(
|
||||
self,
|
||||
signal_conditions: list,
|
||||
timeout: float,
|
||||
check_stopped: bool = False,
|
||||
interval: float = 0.05,
|
||||
all_signals: bool = False,
|
||||
) -> bool:
|
||||
"""Wait for signals to reach a certain condition
|
||||
|
||||
Args:
|
||||
signal_conditions (tuple): tuple of (get_current_state, condition) functions
|
||||
timeout (float): timeout in seconds
|
||||
interval (float): interval in seconds
|
||||
all_signals (bool): True if all signals should be True, False if any signal should be True
|
||||
Returns:
|
||||
bool: True if all signals are in the desired state, False if timeout is reached
|
||||
"""
|
||||
timer = 0
|
||||
while True:
|
||||
checks = [
|
||||
get_current_state() == condition
|
||||
for get_current_state, condition in signal_conditions
|
||||
]
|
||||
if (all_signals and all(checks)) or (not all_signals and any(checks)):
|
||||
return True
|
||||
if check_stopped == True and self.parent._stopped == True:
|
||||
return False
|
||||
if timer > timeout:
|
||||
return False
|
||||
time.sleep(interval)
|
||||
timer += interval
|
||||
|
||||
|
||||
class SLSDetectorCam(Device):
|
||||
"""SLS Detector Camera - Eiger 9M
|
||||
|
||||
@ -86,7 +485,7 @@ class DetectorState(enum.IntEnum):
|
||||
ABORTED = 10
|
||||
|
||||
|
||||
class Eiger9McSAXS(DetectorBase):
|
||||
class Eiger9McSAXS(Device):
|
||||
"""Eiger 9M detector for CSAXS
|
||||
|
||||
Parent class: DetectorBase
|
||||
@ -118,18 +517,6 @@ class Eiger9McSAXS(DetectorBase):
|
||||
sim_mode=False,
|
||||
**kwargs,
|
||||
):
|
||||
"""Initialize the Eiger9M detector
|
||||
Args:
|
||||
#TODO add here the parameters for kind, read_attrs, configuration_attrs, parent
|
||||
prefix (str): PV prefix (X12SA-ES-EIGER9M:)
|
||||
name (str): 'eiger'
|
||||
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,
|
||||
@ -143,6 +530,7 @@ class Eiger9McSAXS(DetectorBase):
|
||||
raise EigerInitError(
|
||||
f"No device manager for device: {name}, and not started sim_mode: {sim_mode}. Add DeviceManager to initialization or init with sim_mode=True"
|
||||
)
|
||||
# sim_mode True allows the class to be started without BEC running
|
||||
self.sim_mode = sim_mode
|
||||
# TODO check if threadlock is needed for unstage
|
||||
self._lock = threading.RLock()
|
||||
@ -152,12 +540,10 @@ class Eiger9McSAXS(DetectorBase):
|
||||
self.std_client = None
|
||||
self.scaninfo = None
|
||||
self.filewriter = None
|
||||
self.readout_time_min = EIGER9M_MIN_READOUT
|
||||
self.std_rest_server_url = (
|
||||
kwargs["file_writer_url"] if "file_writer_url" in kwargs else "http://xbl-daq-29:5000"
|
||||
)
|
||||
self.wait_for_connection(all_signals=True)
|
||||
self.readout_time_min = MIN_READOUT
|
||||
self.timeout = 5
|
||||
self.wait_for_connection(all_signals=True)
|
||||
self.custom_prepare = Eiger9MSetup(parent=self, **kwargs)
|
||||
if not sim_mode:
|
||||
self._update_service_config()
|
||||
self.device_manager = device_manager
|
||||
@ -185,81 +571,12 @@ class Eiger9McSAXS(DetectorBase):
|
||||
"""Update service config from BEC service config"""
|
||||
self.service_cfg = SERVICE_CONFIG.config["service_config"]["file_writer"]
|
||||
|
||||
# TODO function for abstract class?
|
||||
def _init(self) -> None:
|
||||
"""Initialize detector, filewriter and set default parameters"""
|
||||
self._default_parameter()
|
||||
self._init_detector()
|
||||
self._init_filewriter()
|
||||
self.custom_prepare.initialize_default_parameter()
|
||||
self.custom_prepare.initialize_detector()
|
||||
self.custom_prepare.initialize_detector_backend()
|
||||
|
||||
def _default_parameter(self) -> None:
|
||||
"""Set default parameters for Pilatus300k detector
|
||||
readout (float): readout time in seconds
|
||||
"""
|
||||
self._update_readout_time()
|
||||
|
||||
def _update_readout_time(self) -> None:
|
||||
readout_time = (
|
||||
self.scaninfo.readout_time
|
||||
if hasattr(self.scaninfo, "readout_time")
|
||||
else self.readout_time_min
|
||||
)
|
||||
self.readout_time = max(readout_time, self.readout_time_min)
|
||||
|
||||
# TODO function for abstract class?
|
||||
def _init_detector(self) -> None:
|
||||
"""Init parameters for Eiger 9m.
|
||||
Depends on hardware configuration and delay generators.
|
||||
At this point it is set up for gating mode (09/2023).
|
||||
"""
|
||||
self._stop_det()
|
||||
self._set_trigger(TriggerSource.GATING)
|
||||
|
||||
# TODO function for abstract class?
|
||||
def _init_filewriter(self) -> None:
|
||||
"""Init parameters for filewriter.
|
||||
For the Eiger9M, the data backend is std_daq client.
|
||||
Setting up these parameters depends on the backend, and would need to change upon changes in the backend.
|
||||
"""
|
||||
self.std_client = StdDaqClient(url_base=self.std_rest_server_url)
|
||||
self.std_client.stop_writer()
|
||||
timer = 0
|
||||
# TODO put back change of e-account! and check with Leo which status to wait for
|
||||
eacc = self.scaninfo.username
|
||||
self._update_std_cfg("writer_user_id", int(eacc.strip(" e")))
|
||||
time.sleep(5)
|
||||
while not self.std_client.get_status()["state"] == "READY":
|
||||
time.sleep(0.1)
|
||||
timer = timer + 0.1
|
||||
logger.info("Waiting for std_daq init.")
|
||||
if timer > self.timeout:
|
||||
if not self.std_client.get_status()["state"] == "READY":
|
||||
raise EigerError(
|
||||
f"Std client not in READY state, returns: {self.std_client.get_status()}"
|
||||
)
|
||||
else:
|
||||
return
|
||||
|
||||
def _update_std_cfg(self, cfg_key: str, value: Any) -> None:
|
||||
"""Update std_daq config with new e-account for the current beamtime"""
|
||||
# TODO Do we need all the loggers here, should this be properly refactored with a DEBUG mode?
|
||||
cfg = self.std_client.get_config()
|
||||
old_value = cfg.get(cfg_key)
|
||||
logger.info(old_value)
|
||||
if old_value is None:
|
||||
raise EigerError(
|
||||
f"Tried to change entry for key {cfg_key} in std_config that does not exist"
|
||||
)
|
||||
if not isinstance(value, type(old_value)):
|
||||
raise EigerError(
|
||||
f"Type of new value {type(value)}:{value} does not match old value {type(old_value)}:{old_value}"
|
||||
)
|
||||
cfg.update({cfg_key: value})
|
||||
logger.info(cfg)
|
||||
logger.info(f"Updated std_daq config for key {cfg_key} from {old_value} to {value}")
|
||||
self.std_client.set_config(cfg)
|
||||
|
||||
# TODO function for abstract class?
|
||||
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.
|
||||
@ -281,100 +598,17 @@ class Eiger9McSAXS(DetectorBase):
|
||||
self.device_manager.devices.mokev.name
|
||||
]["value"]
|
||||
# TODO refactor logger.info to DEBUG mode?
|
||||
self._prep_file_writer()
|
||||
self._prep_det()
|
||||
self.custom_prepare.prepare_data_backend()
|
||||
self.custom_prepare.prepare_detector()
|
||||
state = False
|
||||
self._publish_file_location(done=state)
|
||||
self._arm_acquisition()
|
||||
self.custom_prepare.publish_file_location(done=state)
|
||||
self.custom_prepare.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()
|
||||
|
||||
def _filepath_exists(self, filepath: str) -> None:
|
||||
timer = 0
|
||||
while not os.path.exists(os.path.dirname(self.filepath)):
|
||||
timer = time + 0.1
|
||||
time.sleep(0.1)
|
||||
if timer > self.timeout:
|
||||
raise EigerError(f"Timeout of 3s reached for filepath {self.filepath}")
|
||||
|
||||
# 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
|
||||
"""
|
||||
timer = 0
|
||||
self.filepath = self.filewriter.compile_full_filename(
|
||||
self.scaninfo.scan_number, f"{self.name}.h5", 1000, 5, True
|
||||
)
|
||||
self._filepath_exists(self.filepath)
|
||||
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(
|
||||
{
|
||||
"output_file": self.filepath,
|
||||
"n_images": int(self.scaninfo.num_points * self.scaninfo.frames_per_trigger),
|
||||
}
|
||||
)
|
||||
except Exception as exc:
|
||||
time.sleep(5)
|
||||
if self.std_client.get_status()["state"] == "READY":
|
||||
raise EigerError(f"Timeout of start_writer_async with {exc}")
|
||||
|
||||
while True:
|
||||
timer = timer + 0.01
|
||||
det_ctrl = self.std_client.get_status()["acquisition"]["state"]
|
||||
if det_ctrl == "WAITING_IMAGES":
|
||||
break
|
||||
time.sleep(0.01)
|
||||
if timer > self.timeout:
|
||||
self._close_file_writer()
|
||||
raise EigerError(
|
||||
f"Timeout of 5s reached for std_daq start_writer_async with std_daq client status {det_ctrl}"
|
||||
)
|
||||
|
||||
# TODO function for abstract class?
|
||||
def _stop_file_writer(self) -> None:
|
||||
"""Close file writer"""
|
||||
self.std_client.stop_writer()
|
||||
# TODO can I wait for a status message here maybe? To ensure writer stopped and returned
|
||||
|
||||
# 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
|
||||
unit = getattr(self.cam.threshold_energy, "units", None)
|
||||
if unit != None and unit == "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)
|
||||
self._update_readout_time()
|
||||
|
||||
# TODO function for abstract class? + call it for each scan??
|
||||
def _set_trigger(self, trigger_source: TriggerSource) -> None:
|
||||
def set_trigger(self, trigger_source: TriggerSource) -> None:
|
||||
"""Set trigger source for the detector.
|
||||
Check the TriggerSource enum for possible values
|
||||
|
||||
@ -429,17 +663,9 @@ class Eiger9McSAXS(DetectorBase):
|
||||
# TODO function for abstract class?
|
||||
def trigger(self) -> DeviceStatus:
|
||||
"""Trigger the detector, called from BEC."""
|
||||
self._on_trigger()
|
||||
self.custom_prepare.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.
|
||||
|
||||
@ -450,86 +676,22 @@ class Eiger9McSAXS(DetectorBase):
|
||||
- _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
|
||||
|
||||
self.custom_prepare.check_scanID()
|
||||
|
||||
if self._stopped == True:
|
||||
return super().unstage()
|
||||
self._finished()
|
||||
# include method that
|
||||
self.custom_prepare.finished()
|
||||
state = True
|
||||
self._publish_file_location(done=state, successful=state)
|
||||
self.custom_prepare.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
|
||||
timer = 0
|
||||
# Check status with timeout, break out if _stopped=True
|
||||
while True:
|
||||
det_ctrl = self.cam.acquire.read()[self.cam.acquire.name]["value"]
|
||||
status = self.std_client.get_status()
|
||||
std_ctrl = status["acquisition"]["state"]
|
||||
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:
|
||||
break
|
||||
time.sleep(sleep_time)
|
||||
timer += sleep_time
|
||||
if timer > self.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"""
|
||||
elapsed_time = 0
|
||||
sleep_time = 0.01
|
||||
# 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 == DetectorState.IDLE:
|
||||
break
|
||||
if self._stopped == True:
|
||||
break
|
||||
time.sleep(sleep_time)
|
||||
elapsed_time += sleep_time
|
||||
if elapsed_time > self.timeout // 2 and not retry:
|
||||
retry = True
|
||||
# Retry to stop acquisition
|
||||
self.cam.acquire.put(0)
|
||||
if elapsed_time > self.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_det()
|
||||
self._stop_file_writer()
|
||||
self.custom_prepare.stop_detector()
|
||||
self.custom_prepare.stop_detector_backend()
|
||||
super().stop(success=success)
|
||||
self._stopped = True
|
||||
|
||||
|
@ -57,17 +57,17 @@ def test_init():
|
||||
) as mock_service_config:
|
||||
with mock.patch.object(ophyd, "cl") as mock_cl:
|
||||
mock_cl.get_pv = MockPV
|
||||
with mock.patch.object(
|
||||
Eiger9McSAXS, "_default_parameter"
|
||||
) as mock_default, mock.patch.object(
|
||||
Eiger9McSAXS, "_init_detector"
|
||||
) as mock_init_det, mock.patch.object(
|
||||
Eiger9McSAXS, "_init_filewriter"
|
||||
) as mock_init_fw:
|
||||
with mock.patch(
|
||||
"ophyd_devices.epics.devices.eiger9m_csaxs.Eiger9MSetup.initialize_default_parameter"
|
||||
) as mock_default, mock.patch(
|
||||
"ophyd_devices.epics.devices.eiger9m_csaxs.Eiger9MSetup.initialize_detector"
|
||||
) as mock_init_det, mock.patch(
|
||||
"ophyd_devices.epics.devices.eiger9m_csaxs.Eiger9MSetup.initialize_detector_backend"
|
||||
) as mock_init_backend:
|
||||
Eiger9McSAXS(name=name, prefix=prefix, device_manager=dm, sim_mode=sim_mode)
|
||||
mock_default.assert_called_once()
|
||||
mock_init_det.assert_called_once()
|
||||
mock_init_fw.assert_called_once()
|
||||
mock_init_backend.assert_called_once()
|
||||
|
||||
|
||||
@pytest.mark.parametrize(
|
||||
@ -85,7 +85,7 @@ def test_init():
|
||||
),
|
||||
],
|
||||
)
|
||||
def test_init_detector(
|
||||
def test_initialize_detector(
|
||||
mock_det,
|
||||
trigger_source,
|
||||
detector_state,
|
||||
@ -106,9 +106,9 @@ def test_init_detector(
|
||||
if expected_exception:
|
||||
with pytest.raises(Exception):
|
||||
mock_det.timeout = 0.1
|
||||
mock_det._init_detector()
|
||||
mock_det.custom_prepare.initialize_detector()
|
||||
else:
|
||||
mock_det._init_detector() # call the method you want to test
|
||||
mock_det.custom_prepare.initialize_detector() # call the method you want to test
|
||||
assert mock_det.cam.acquire.get() == 0
|
||||
assert mock_det.cam.detector_state.get() == detector_state
|
||||
assert mock_det.cam.trigger_mode.get() == trigger_source
|
||||
@ -125,11 +125,11 @@ def test_init_detector(
|
||||
)
|
||||
def test_update_readout_time(mock_det, readout_time, expected_value):
|
||||
if readout_time is None:
|
||||
mock_det._update_readout_time()
|
||||
mock_det.custom_prepare.update_readout_time()
|
||||
assert mock_det.readout_time == expected_value
|
||||
else:
|
||||
mock_det.scaninfo.readout_time = readout_time
|
||||
mock_det._update_readout_time()
|
||||
mock_det.custom_prepare.update_readout_time()
|
||||
assert mock_det.readout_time == expected_value
|
||||
|
||||
|
||||
@ -166,8 +166,10 @@ def test_update_readout_time(mock_det, readout_time, expected_value):
|
||||
),
|
||||
],
|
||||
)
|
||||
def test_init_filewriter(mock_det, eacc, exp_url, daq_status, daq_cfg, expected_exception):
|
||||
"""Test _init_filewriter (std daq in this case)
|
||||
def test_initialize_detector_backend(
|
||||
mock_det, eacc, exp_url, daq_status, daq_cfg, expected_exception
|
||||
):
|
||||
"""Test self.custom_prepare.initialize_detector_backend (std daq in this case)
|
||||
|
||||
This includes testing the functions:
|
||||
|
||||
@ -185,11 +187,10 @@ def test_init_filewriter(mock_det, eacc, exp_url, daq_status, daq_cfg, expected_
|
||||
if expected_exception:
|
||||
with pytest.raises(Exception):
|
||||
mock_det.timeout = 0.1
|
||||
mock_det._init_filewriter()
|
||||
mock_det.custom_prepare.initialize_detector_backend()
|
||||
else:
|
||||
mock_det._init_filewriter()
|
||||
mock_det.custom_prepare.initialize_detector_backend()
|
||||
|
||||
assert mock_det.std_rest_server_url == exp_url
|
||||
instance.stop_writer.assert_called_once()
|
||||
instance.get_status.assert_called()
|
||||
instance.set_config.assert_called_once_with(daq_cfg)
|
||||
@ -254,8 +255,10 @@ def test_stage(
|
||||
stopped,
|
||||
expected_exception,
|
||||
):
|
||||
with mock.patch.object(mock_det, "std_client") as mock_std_daq, mock.patch.object(
|
||||
Eiger9McSAXS, "_publish_file_location"
|
||||
with mock.patch.object(
|
||||
mock_det.custom_prepare, "std_client"
|
||||
) as mock_std_daq, mock.patch.object(
|
||||
mock_det.custom_prepare, "publish_file_location"
|
||||
) as mock_publish_file_location:
|
||||
mock_std_daq.stop_writer.return_value = None
|
||||
mock_std_daq.get_status.return_value = daq_status
|
||||
@ -268,7 +271,7 @@ def test_stage(
|
||||
mock_det.cam.beam_energy.put(scaninfo["mokev"])
|
||||
mock_det._stopped = stopped
|
||||
mock_det.cam.detector_state._read_pv.mock_data = detector_state
|
||||
with mock.patch.object(mock_det, "_prep_file_writer") as mock_prep_fw:
|
||||
with mock.patch.object(mock_det.custom_prepare, "prepare_data_backend") as mock_prep_fw:
|
||||
mock_det.filepath = scaninfo["filepath"]
|
||||
if expected_exception:
|
||||
with pytest.raises(Exception):
|
||||
@ -325,16 +328,16 @@ def test_stage(
|
||||
),
|
||||
],
|
||||
)
|
||||
def test_prep_file_writer(mock_det, scaninfo, daq_status, expected_exception):
|
||||
with mock.patch.object(mock_det, "std_client") as mock_std_daq, mock.patch.object(
|
||||
mock_det, "_filepath_exists"
|
||||
def test_prepare_detector_backend(mock_det, scaninfo, daq_status, expected_exception):
|
||||
with mock.patch.object(
|
||||
mock_det.custom_prepare, "std_client"
|
||||
) as mock_std_daq, mock.patch.object(
|
||||
mock_det.custom_prepare, "filepath_exists"
|
||||
) as mock_file_path_exists, mock.patch.object(
|
||||
mock_det, "_stop_file_writer"
|
||||
) as mock_stop_file_writer, mock.patch.object(
|
||||
mock_det.custom_prepare, "stop_detector_backend"
|
||||
) as mock_stop_backend, mock.patch.object(
|
||||
mock_det, "scaninfo"
|
||||
) as mock_scaninfo:
|
||||
# mock_det = eiger_factory(name, prefix, sim_mode)
|
||||
mock_det.std_client = mock_std_daq
|
||||
):
|
||||
mock_std_daq.start_writer_async.return_value = None
|
||||
mock_std_daq.get_status.return_value = daq_status
|
||||
mock_det.filewriter.compile_full_filename.return_value = scaninfo["filepath"]
|
||||
@ -344,14 +347,14 @@ def test_prep_file_writer(mock_det, scaninfo, daq_status, expected_exception):
|
||||
if expected_exception:
|
||||
with pytest.raises(Exception):
|
||||
mock_det.timeout = 0.1
|
||||
mock_det._prep_file_writer()
|
||||
mock_det.custom_prepare.prepare_data_backend()
|
||||
mock_file_path_exists.assert_called_once()
|
||||
assert mock_stop_file_writer.call_count == 2
|
||||
assert mock_stop_backend.call_count == 2
|
||||
|
||||
else:
|
||||
mock_det._prep_file_writer()
|
||||
mock_det.custom_prepare.prepare_data_backend()
|
||||
mock_file_path_exists.assert_called_once()
|
||||
mock_stop_file_writer.assert_called_once()
|
||||
mock_stop_backend.assert_called_once()
|
||||
|
||||
daq_writer_call = {
|
||||
"output_file": scaninfo["filepath"],
|
||||
@ -378,8 +381,8 @@ def test_unstage(
|
||||
stopped,
|
||||
expected_exception,
|
||||
):
|
||||
with mock.patch.object(mock_det, "_finished") as mock_finished, mock.patch.object(
|
||||
mock_det, "_publish_file_location"
|
||||
with mock.patch.object(mock_det.custom_prepare, "finished") as mock_finished, mock.patch.object(
|
||||
mock_det.custom_prepare, "publish_file_location"
|
||||
) as mock_publish_file_location:
|
||||
mock_det._stopped = stopped
|
||||
if expected_exception:
|
||||
@ -392,11 +395,11 @@ def test_unstage(
|
||||
assert mock_det._stopped == False
|
||||
|
||||
|
||||
def test_stop_fw(mock_det):
|
||||
with mock.patch.object(mock_det, "std_client") as mock_std_daq:
|
||||
def test_stop_detector_backend(mock_det):
|
||||
with mock.patch.object(mock_det.custom_prepare, "std_client") as mock_std_daq:
|
||||
mock_std_daq.stop_writer.return_value = None
|
||||
mock_det.std_client = mock_std_daq
|
||||
mock_det._stop_file_writer()
|
||||
mock_det.custom_prepare.stop_detector_backend()
|
||||
mock_std_daq.stop_writer.assert_called_once()
|
||||
|
||||
|
||||
@ -411,7 +414,9 @@ def test_stop_fw(mock_det):
|
||||
def test_publish_file_location(mock_det, scaninfo):
|
||||
mock_det.scaninfo.scanID = scaninfo["scanID"]
|
||||
mock_det.filepath = scaninfo["filepath"]
|
||||
mock_det._publish_file_location(done=scaninfo["done"], successful=scaninfo["successful"])
|
||||
mock_det.custom_prepare.publish_file_location(
|
||||
done=scaninfo["done"], successful=scaninfo["successful"]
|
||||
)
|
||||
if scaninfo["successful"] is None:
|
||||
msg = messages.FileMessage(file_path=scaninfo["filepath"], done=scaninfo["done"]).dumps()
|
||||
else:
|
||||
@ -434,12 +439,14 @@ def test_publish_file_location(mock_det, scaninfo):
|
||||
|
||||
|
||||
def test_stop(mock_det):
|
||||
with mock.patch.object(mock_det, "_stop_det") as mock_stop_det, mock.patch.object(
|
||||
mock_det, "_stop_file_writer"
|
||||
) as mock_stop_file_writer:
|
||||
with mock.patch.object(
|
||||
mock_det.custom_prepare, "stop_detector"
|
||||
) as mock_stop_det, mock.patch.object(
|
||||
mock_det.custom_prepare, "stop_detector_backend"
|
||||
) as mock_stop_detector_backend:
|
||||
mock_det.stop()
|
||||
mock_stop_det.assert_called_once()
|
||||
mock_stop_file_writer.assert_called_once()
|
||||
mock_stop_detector_backend.assert_called_once()
|
||||
assert mock_det._stopped == True
|
||||
|
||||
|
||||
@ -489,9 +496,13 @@ def test_stop(mock_det):
|
||||
],
|
||||
)
|
||||
def test_finished(mock_det, stopped, cam_state, daq_status, scaninfo, expected_exception):
|
||||
with mock.patch.object(mock_det, "std_client") as mock_std_daq, mock.patch.object(
|
||||
mock_det, "_stop_file_writer"
|
||||
) as mock_stop_file_friter, mock.patch.object(mock_det, "_stop_det") as mock_stop_det:
|
||||
with mock.patch.object(
|
||||
mock_det.custom_prepare, "std_client"
|
||||
) as mock_std_daq, mock.patch.object(
|
||||
mock_det.custom_prepare, "stop_detector_backend"
|
||||
) as mock_stop_backend, mock.patch.object(
|
||||
mock_det.custom_prepare, "stop_detector"
|
||||
) as mock_stop_det:
|
||||
mock_std_daq.get_status.return_value = daq_status
|
||||
mock_det.cam.acquire._read_pv.mock_state = cam_state
|
||||
mock_det.scaninfo.num_points = scaninfo["num_points"]
|
||||
@ -499,14 +510,14 @@ def test_finished(mock_det, stopped, cam_state, daq_status, scaninfo, expected_e
|
||||
if expected_exception:
|
||||
with pytest.raises(Exception):
|
||||
mock_det.timeout = 0.1
|
||||
mock_det._finished()
|
||||
mock_det.custom_prepare.finished()
|
||||
assert mock_det._stopped == stopped
|
||||
mock_stop_file_friter.assert_called()
|
||||
mock_stop_backend.assert_called()
|
||||
mock_stop_det.assert_called_once()
|
||||
else:
|
||||
mock_det._finished()
|
||||
mock_det.custom_prepare.finished()
|
||||
if stopped:
|
||||
assert mock_det._stopped == stopped
|
||||
|
||||
mock_stop_file_friter.assert_called()
|
||||
mock_stop_backend.assert_called()
|
||||
mock_stop_det.assert_called_once()
|
||||
|
Loading…
x
Reference in New Issue
Block a user