mirror of
https://github.com/mofeng-git/One-KVM.git
synced 2025-12-12 01:00:29 +08:00
127 lines
4.6 KiB
Python
127 lines
4.6 KiB
Python
# ========================================================================== #
|
|
# #
|
|
# KVMD - The main PiKVM daemon. #
|
|
# #
|
|
# Copyright (C) 2018-2023 Maxim Devaev <mdevaev@gmail.com> #
|
|
# #
|
|
# This program is free software: you can redistribute it and/or modify #
|
|
# it under the terms of the GNU General Public License as published by #
|
|
# the Free Software Foundation, either version 3 of the License, or #
|
|
# (at your option) any later version. #
|
|
# #
|
|
# This program is distributed in the hope that it will be useful, #
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
|
|
# GNU General Public License for more details. #
|
|
# #
|
|
# You should have received a copy of the GNU General Public License #
|
|
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
|
|
# #
|
|
# ========================================================================== #
|
|
|
|
|
|
from typing import Callable
|
|
from typing import Any
|
|
|
|
import gpiod
|
|
|
|
from ... import aiotools
|
|
from ... import aiogp
|
|
|
|
from ...yamlconf import Option
|
|
|
|
from ...validators.os import valid_abs_path
|
|
from ...validators.hw import valid_gpio_pin
|
|
|
|
from . import BaseUserGpioDriver
|
|
|
|
|
|
# =====
|
|
class Plugin(BaseUserGpioDriver):
|
|
def __init__(
|
|
self,
|
|
instance_name: str,
|
|
notifier: aiotools.AioNotifier,
|
|
|
|
device_path: str,
|
|
) -> None:
|
|
|
|
super().__init__(instance_name, notifier)
|
|
|
|
self.__device_path = device_path
|
|
|
|
self.__input_pins: dict[int, aiogp.AioReaderPinParams] = {}
|
|
self.__output_pins: dict[int, (bool | None)] = {}
|
|
|
|
self.__reader: (aiogp.AioReader | None) = None
|
|
self.__outputs_request: (gpiod.LineRequest | None) = None
|
|
|
|
@classmethod
|
|
def get_plugin_options(cls) -> dict:
|
|
return {
|
|
"device": Option("/dev/gpiochip0", type=valid_abs_path, unpack_as="device_path"),
|
|
}
|
|
|
|
@classmethod
|
|
def get_pin_validator(cls) -> Callable[[Any], Any]:
|
|
return valid_gpio_pin
|
|
|
|
def register_input(self, pin: str, debounce: float) -> None:
|
|
self.__input_pins[int(pin)] = aiogp.AioReaderPinParams(False, debounce)
|
|
|
|
def register_output(self, pin: str, initial: (bool | None)) -> None:
|
|
self.__output_pins[int(pin)] = initial
|
|
|
|
def prepare(self) -> None:
|
|
assert self.__reader is None
|
|
assert self.__outputs_request is None
|
|
self.__reader = aiogp.AioReader(
|
|
path=self.__device_path,
|
|
consumer="kvmd::gpio::inputs",
|
|
pins=self.__input_pins,
|
|
notifier=self._notifier,
|
|
)
|
|
if self.__output_pins:
|
|
self.__outputs_request = gpiod.request_lines(
|
|
self.__device_path,
|
|
consumer="kvmd::gpiod::outputs",
|
|
config={
|
|
pin: gpiod.LineSettings(
|
|
direction=gpiod.line.Direction.OUTPUT,
|
|
output_value=gpiod.line.Value(initial or False),
|
|
)
|
|
for (pin, initial) in self.__output_pins.items()
|
|
},
|
|
)
|
|
|
|
async def run(self) -> None:
|
|
assert self.__reader
|
|
await self.__reader.poll()
|
|
|
|
async def cleanup(self) -> None:
|
|
if self.__outputs_request:
|
|
try:
|
|
self.__outputs_request.release()
|
|
except Exception:
|
|
pass
|
|
|
|
async def read(self, pin: str) -> bool:
|
|
assert self.__reader
|
|
pin_int = int(pin)
|
|
if pin_int in self.__input_pins:
|
|
return self.__reader.get(pin_int)
|
|
assert self.__outputs_request
|
|
assert pin_int in self.__output_pins
|
|
return bool(self.__outputs_request.get_value(pin_int).value)
|
|
|
|
async def write(self, pin: str, state: bool) -> None:
|
|
assert self.__outputs_request
|
|
pin_int = int(pin)
|
|
assert pin_int in self.__output_pins
|
|
self.__outputs_request.set_value(pin_int, gpiod.line.Value(state))
|
|
|
|
def __str__(self) -> str:
|
|
return f"GPIO({self._instance_name})"
|
|
|
|
__repr__ = __str__
|