mirror of
https://github.com/mofeng-git/One-KVM.git
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102 lines
3.5 KiB
Python
102 lines
3.5 KiB
Python
# ========================================================================== #
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# #
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# KVMD - The main Pi-KVM daemon. #
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# #
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# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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# ========================================================================== #
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from typing import Dict
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from typing import Set
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from typing import Optional
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from ... import aiotools
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from ... import gpio
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from ...yamlconf import Option
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from ...validators.basic import valid_float_f01
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from . import BaseUserGpioDriver
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# =====
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class Plugin(BaseUserGpioDriver):
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def __init__(
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self,
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instance_name: str,
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notifier: aiotools.AioNotifier,
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state_poll: float,
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) -> None:
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super().__init__(instance_name, notifier)
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self.__state_poll = state_poll
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self.__input_pins: Set[int] = set()
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self.__output_pins: Dict[int, Optional[bool]] = {}
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self.__reader: Optional[gpio.BatchReader] = None
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@classmethod
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def get_plugin_options(cls) -> Dict:
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return {
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"state_poll": Option(0.1, type=valid_float_f01),
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}
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def register_input(self, pin: int) -> None:
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self.__input_pins.add(pin)
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def register_output(self, pin: int, initial: Optional[bool]) -> None:
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self.__output_pins[pin] = initial
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def prepare(self) -> None:
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assert self.__reader is None
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self.__reader = gpio.BatchReader(
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pins=set([
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*map(gpio.set_input, self.__input_pins),
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*[
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gpio.set_output(pin, initial)
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for (pin, initial) in self.__output_pins.items()
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],
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]),
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edge_detection=False,
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interval=self.__state_poll,
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notifier=self._notifier,
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)
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async def run(self) -> None:
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assert self.__reader
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await self.__reader.poll()
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def cleanup(self) -> None:
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for (pin, initial) in self.__output_pins.items():
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if initial is not None:
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gpio.write(pin, initial)
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def read(self, pin: int) -> bool:
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return gpio.read(pin)
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def write(self, pin: int, state: bool) -> None:
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gpio.write(pin, state)
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def __str__(self) -> str:
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return f"GPIO({self._instance_name})"
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__repr__ = __str__
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