WIP migrate samcam

src/aare/daq/devices.py

@@ -14,6 +14,7 @@ from epics import PV
 # - setter with option to do sync/async move
 # - property setter, which assumes that sync move is done (excl. zoom, which is async by default)
 from aare.beamline_dispatch.protocols import BeamlineDispatch
+from aare.daq.samcam import BecSamCam
 from aare.devices import aerotech, smargon
 from aare.devices.area_detector import AutoEnum, epicsAD
 from aare.devices.bec_worker import BECClientWorker
@@ -46,6 +47,7 @@ class BeamlineDevices:
         self.dtz_mod = cfg_get("daq.detector_distance_limit_modifier", 1.0)
         # TODO convert epics pvs to BEC
         self._sample_cam = epicsAD(f"{BEAMLINE}-ES-MS:")
+        self._samcam = BecSamCam(self.bec_worker)
 
         self._front_light = PredefinedPV(
             name="front_light",
@@ -275,7 +277,7 @@ class BeamlineDevices:
     # Detector Z
     @property
     def dtz(self) -> float:
-        return self._dtz.user_setpoint.get()
+        return self._dtz.user_setpoint.get(cached=True)
 
     @property
     def dty(self) -> float:

src/aare/daq/samcam.py

@@ -0,0 +1,41 @@
+from __future__ import annotations
+
+from enum import Enum
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from aare.devices.bec_worker import BECClientWorker
+
+
+class AutoEnum(Enum):
+    MANUAL = 0
+    ONCE = 1
+    AUTO = 2
+
+
+class BecSamCam:
+    def __init__(self, bec: BECClientWorker) -> None:
+        self.acquire = bec.dev.TODO
+        self.exposure = bec.dev.samcam_exp
+        self.gain = bec.dev.samcam_gain
+        self.gain_rbv = bec.dev.TODO
+        self.gain_rbv = bec.dev.TODO
+        self.gain_mode = bec.dev.TODO
+        self.expo_mode = bec.dev.TODO
+        self.uid = bec.dev.TODO
+        self.zoom = bec.dev.scam_zoom
+
+    def setup(self, gain: float = 15, expo: float = 0.025):
+        self.acquire.put(0, wait=True)
+        self.gain_mode.put(0, wait=True)  # manual gain control
+        self.gain.put(gain, wait=True)
+        self.expo_mode.put(0, wait=True)  # manual exposure control
+        self.exposure.put(expo, wait=True)
+        self.acquire.put(1, wait=True)
+
+    def set_auto(self, state: AutoEnum):
+        """Uses AutoEnum 0 is Manual, 1 is Once, 2 is Auto"""
+        self.acquire.put(0, wait=True)
+        self.gain_mode.put(state.value)  # automatic gain control
+        self.expo_mode.put(state.value)  # automatic exposure control
+        self.acquire.put(1)