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add file paths for merlin detector #32

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add file paths for merlin detector #32

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26 changes: 22 additions & 4 deletions src/cditools/merlin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -129,10 +129,10 @@ class CDIMerlinDetector(CDIModalTrigger, MerlinDetector):
"HDF1:",
read_attrs=[],
configuration_attrs=[],
write_path_template="/nsls2/data/tst/legacy/mock-proposals/2025-2/pass-56789/assets/merlin/%Y/%m/%d",
root="/nsls2/data/tst/legacy/mock-proposals/2025-2/pass-56789/assets/merlin",
root="/nsls2/data/cdi/proposals/",
)

_asset_path = "merlinES-1"
proc1 = Cpt(ProcessPlugin, "Proc1:")
stats1 = Cpt(StatsPlugin, "Stats1:")
stats2 = Cpt(StatsPlugin, "Stats2:")
Expand Down Expand Up @@ -169,17 +169,24 @@ def __init__(
**kwargs,
)

def _update_paths(self):
self.write_path_template = self.root_path_str + "%Y/%m/%d/"
self.read_path_template = self.root_path_str + "%Y/%m/%d/"
self.reg_root = self.root_path_str

@property
def root_path_str(self):
return f"{self.root_str}/{self._md['cycle']}/{self._md['data_session']}/assets/{self._asset_path}"

def mode_internal(self) -> None:
super().mode_internal()

count_time = self.count_time.get()
if isinstance(count_time, float):
self.stage_sigs[self.cam.acquire_time] = count_time
self.stage_sigs[self.cam.acquire_period] = count_time + 0.005

def mode_external(self) -> None:
super().mode_external()

# NOTE: these values specify a debounce time for external triggering so
# they should be set to < 0.5 the expected exposure time, or at
# minimum the lowest possible dead time = 1.64ms
Expand All @@ -189,3 +196,14 @@ def mode_external(self) -> None:
self.stage_sigs[self.cam.acquire_period] = expected_exposure + min_dead_time

self.cam.stage_sigs[self.cam.trigger_mode] = "Trigger Enable"

def stage(self):
self._update_paths()
_TIMEOUT = 2
self.cam.array_counter.set(0, timeout=_TIMEOUT).wait()
self.stage_sigs[self.cam.trigger_mode] = 0

return super().stage()

def unstage(self):
return super().unstage()
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