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Can start an acquisition

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mohacsi_i
2024-03-27 13:48:13 +01:00
parent e7e083dbe1
commit 83a358188e
1 changed files with 25 additions and 40 deletions
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65
ophyd_devices/epics/devices/helgecams/HelgeCameraBase.py
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@ -6,7 +6,7 @@ Created on Wed Dec 6 11:33:54 2023
""" """
from ophyd import Device, Component, EpicsMotor, EpicsSignal, EpicsSignalRO, Kind from ophyd import Device, Component, EpicsMotor, EpicsSignal, EpicsSignalRO, Kind
from ophyd.status import Status, SubscriptionStatus, StatusBase from ophyd.status import Status, SubscriptionStatus, StatusBase, DeviceStatus
from time import sleep from time import sleep
import warnings import warnings
import numpy as np import numpy as np
@ -39,13 +39,13 @@ class HelgeCameraCore(Device):
# ######################################################################## # ########################################################################
# Polled state maschine with separate transition states # Polled state maschine with separate transition states
camStatusCode = Component(EpicsSignalRO, "STATUSCODE", auto_monitor=True, kind=Kind.config) camStatusCode = Component(EpicsSignalRO, "STATUSCODE", auto_monitor=True, kind=Kind.config)
camSetParam = Component(EpicsSignalRO, "SET_PARAM", auto_monitor=True, kind=Kind.config) camSetParam = Component(EpicsSignal, "SET_PARAM", auto_monitor=True, kind=Kind.config)
camSetParamBusy = Component(EpicsSignalRO, "BUSY_SET_PARAM", auto_monitor=True, kind=Kind.config) camSetParamBusy = Component(EpicsSignalRO, "BUSY_SET_PARAM", auto_monitor=True, kind=Kind.config)
camCamera = Component(EpicsSignalRO, "CAMERA", auto_monitor=True, kind=Kind.config) camCamera = Component(EpicsSignalRO, "CAMERA", auto_monitor=True, kind=Kind.config)
camCameraBusy = Component(EpicsSignalRO, "BUSY_CAMERA", auto_monitor=True, kind=Kind.config) camCameraBusy = Component(EpicsSignalRO, "BUSY_CAMERA", auto_monitor=True, kind=Kind.config)
camInit= Component(EpicsSignalRO, "INIT", auto_monitor=True, kind=Kind.config) camInit= Component(EpicsSignalRO, "INIT", auto_monitor=True, kind=Kind.config)
camInitBusy = Component(EpicsSignalRO, "BUSY_INIT", auto_monitor=True, kind=Kind.config) camInitBusy = Component(EpicsSignalRO, "BUSY_INIT", auto_monitor=True, kind=Kind.config)
camRemoved = Component(EpicsSignalRO, "REMOVAL", auto_monitor=True, kind=Kind.config) #camRemoval = Component(EpicsSignalRO, "REMOVAL", auto_monitor=True, kind=Kind.config)
camStateString = Component(EpicsSignalRO, "SS_CAMERA", string=True, auto_monitor=True, kind=Kind.config) camStateString = Component(EpicsSignalRO, "SS_CAMERA", string=True, auto_monitor=True, kind=Kind.config)
@ -61,8 +61,8 @@ class HelgeCameraCore(Device):
return "RUNNING" return "RUNNING"
if self.camRemoval.value==0 and self.camInit.value==0: if self.camRemoval.value==0 and self.camInit.value==0:
return "OFFLINE" return "OFFLINE"
if self.camRemoval.value: #if self.camRemoval.value:
return "REMOVED" # return "REMOVED"
return "UNKNOWN" return "UNKNOWN"
@state.setter @state.setter
@ -76,20 +76,26 @@ class HelgeCameraCore(Device):
def stage(self) -> None: def stage(self) -> None:
""" Start acquisition""" """ Start acquisition"""
# State transitions are only allowed when the IOC is not busy # Acquisition is only allowed when the IOC is not busy
if self.state not in ("OFFLINE", "BUSY", "REMOVED", "RUNNING"): if self.state in ("OFFLINE", "BUSY", "REMOVED", "RUNNING"):
raise RuntimeError(f"Camera in in state: {self.state}") raise RuntimeError(f"Camera in in state: {self.state}")
# Start the acquisition # Start the acquisition (this sets parameers and starts acquisition)
self.camStatusCmd.set("Running").wait() self.camStatusCmd.set("Running").wait()
# Subscribe and wait for update
def isRunning(*args, old_value, value, timestamp, **kwargs):
return bool(self.state=="RUNNING")
status = SubscriptionStatus(self.camStatusCode, isRunning, settle_time=0.2)
status.wait()
# Call parent
super().stage() super().stage()
def kickoff(self, settle_time=0.2) -> DeviceStatus: def kickoff(self, settle_time=0.2) -> DeviceStatus:
""" Start acquisition""" """ Start acquisition"""
# State transitions are only allowed when the IOC is not busy # Acquisition is only allowed when the IOC is not busy
if self.state not in ("OFFLINE", "BUSY", "REMOVED", "RUNNING"): if self.state in ("OFFLINE", "BUSY", "REMOVED", "RUNNING"):
raise RuntimeError(f"Camera in in state: {self.state}") raise RuntimeError(f"Camera in in state: {self.state}")
# Start the acquisition # Start the acquisition
@ -106,11 +112,11 @@ class HelgeCameraCore(Device):
def stop(self): def stop(self):
""" Stop the running acquisition """ """ Stop the running acquisition """
self.camStatusCmd.set("Idle").wait() self.camStatusCmd.set("Idle").wait()
super().unstage()
def unstage(self): def unstage(self):
""" Stop the running acquisition and unstage the device""" """ Stop the running acquisition and unstage the device"""
self.camStatusCmd.set("Idle").wait() self.camStatusCmd.set("Idle").wait()
super().unstage() super().unstage()
@ -203,9 +209,10 @@ class HelgeCameraBase(HelgeCameraCore):
old = self.read_configuration() old = self.read_configuration()
super().configure(d) super().configure(d)
exposure_time = d['exptime'] if "exptime" in d:
if exposure_time is not None: exposure_time = d['exptime']
self.acqExpTime.set(exposure_time).wait() if exposure_time is not None:
self.acqExpTime.set(exposure_time).wait()
if "roi" in d: if "roi" in d:
roi = d["roi"] roi = d["roi"]
@ -247,7 +254,7 @@ class HelgeCameraBase(HelgeCameraCore):
@property @property
def shape(self): def shape(self):
return (self.pxNumX.value, self.pxNumY.value) return (int(self.pxNumX.value), int(self.pxNumY.value))
@shape.setter @shape.setter
def shape(self): def shape(self):
@ -255,7 +262,7 @@ class HelgeCameraBase(HelgeCameraCore):
@property @property
def bin(self): def bin(self):
return (self.pxBinX.value, self.pxBinY.value) return (int(self.pxBinX.value), int(self.pxBinY.value))
@bin.setter @bin.setter
def bin(self): def bin(self):
@ -263,7 +270,7 @@ class HelgeCameraBase(HelgeCameraCore):
@property @property
def roi(self): def roi(self):
return ((self.pxRoiX_lo.value, self.pxRoiX_hi.value), (self.pxRoiY_lo.value, self.pxRoiY_hi.value)) return ((int(self.pxRoiX_lo.value), int(self.pxRoiX_hi.value)), (int(self.pxRoiY_lo.value), int(self.pxRoiY_hi.value)))
@roi.setter @roi.setter
def roi(self): def roi(self):
@ -279,28 +286,6 @@ class HelgeCameraBase(HelgeCameraCore):
# Automatically connect to test camera if directly invoked # Automatically connect to test camera if directly invoked
if __name__ == "__main__": if __name__ == "__main__":