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kourbou/expo_voltage_controller.py

Created January 8, 2023 16:53
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expo_voltage_controller.py
from serial import Serial
class ExpoVoltageController:
vid: int = 0x2341
pid: int = 0x0058
sid: str = "8E4E27AB515146544E4B2020FF090D2F"
def __init__(self, port: str, verbose: bool = False) -> None:
self.serial = Serial(port, baudrate=115200, timeout=10)
@classmethod
def discover(cls, verbose: bool = False) -> ExpoVoltageController:
from serial.tools.list_ports import comports # type: ignore
for port in comports():
assert port.vid and port.pid and port.serial_number
if (
port.vid == cls.vid
and port.pid == cls.pid
and port.serial_number == cls.sid
):
return cls(port.device, verbose)
raise RuntimeError("Failed to discover voltage controller with specified ids.")
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