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Create lock even when stage is disconnected

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This commit is contained in:
Joel Collins 2019-01-30 12:00:30 +00:00
parent 73eda19acc
commit e6ddeaeb3a
1 changed files with 9 additions and 2 deletions
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11
openflexure_microscope/stage/openflexure.py
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@ -1,7 +1,10 @@
from openflexure_stage import OpenFlexureStage from openflexure_stage import OpenFlexureStage
from serial import SerialException
from openflexure_microscope.lock import StrictLock from openflexure_microscope.lock import StrictLock
import logging
# TODO: Implement lock on movement # TODO: Implement lock on movement
class Stage(OpenFlexureStage): class Stage(OpenFlexureStage):
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
@ -10,8 +13,12 @@ class Stage(OpenFlexureStage):
adding an instance of :py:class:`openflexure_microscope.lock.StrictLock` to regulate access. adding an instance of :py:class:`openflexure_microscope.lock.StrictLock` to regulate access.
""" """
self.lock = StrictLock(timeout=2) #: :py:class:`openflexure_microscope.lock.StrictLock`: Strict lock controlling thread access to camera hardware self.lock = StrictLock(timeout=2) #: :py:class:`openflexure_microscope.lock.StrictLock`: Strict lock controlling thread access to camera hardware
OpenFlexureStage.__init__(self, *args, **kwargs) try:
OpenFlexureStage.__init__(self, *args, **kwargs)
except SerialException as e:
logging.error("No stage found. Aborting stage.")
logging.warning("Stage lock can be acquired, but any stage methods will fail and raise exceptions.")
def _move_rel_nobacklash(self, *args, **kwargs): def _move_rel_nobacklash(self, *args, **kwargs):
""" """