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Adding support for KDC101 #139

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Merged
marcosfrenkel merged 1 commit into from
Mar 25, 2026
Merged

Adding support for KDC101 #139

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9 changes: 7 additions & 2 deletions src/pqnstack/pqn/drivers/rotator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
from dataclasses import field

import serial
from thorlabs_apt_device import KDC101
from thorlabs_apt_device import TDC001

from pqnstack.base.errors import DeviceNotStartedError
Expand All @@ -21,12 +22,16 @@
@dataclass(slots=True)
class APTRotator(RotatorInstrument):
_degrees: float = field(default=0.0, init=False)
_device: TDC001 = field(init=False, repr=False)
_device: TDC001 | KDC101 = field(init=False, repr=False)
_encoder_units_per_degree: float = field(default=86384 / 45, init=False, repr=False)

def start(self) -> None:
# Additional setup for APT Rotator
self._device = TDC001(serial_number=self.hw_address)
try:
self._device = TDC001(serial_number=self.hw_address)
except RuntimeError:
self._device = KDC101(self.hw_address)

offset_eu = round(self.offset_degrees * self._encoder_units_per_degree)

# NOTE: Velocity units seem to not match position units
Expand Down