One-KVM/kvmd/kvmd/atx.py
2018-06-28 18:58:52 +03:00

60 lines
1.6 KiB
Python

import asyncio
import logging
from typing import Tuple
from . import gpio
# =====
_logger = logging.getLogger(__name__)
class Atx:
def __init__(
self,
power_led: int,
hdd_led: int,
power_switch: int,
reset_switch: int,
click_delay: float,
long_click_delay: float,
) -> None:
self.__power_led = gpio.set_input(power_led)
self.__hdd_led = gpio.set_input(hdd_led)
self.__power_switch = gpio.set_output(power_switch)
self.__reset_switch = gpio.set_output(reset_switch)
self.__click_delay = click_delay
self.__long_click_delay = long_click_delay
self.__lock = asyncio.Lock()
def get_leds(self) -> Tuple[bool, bool]:
return (
not gpio.read(self.__power_led),
not gpio.read(self.__hdd_led),
)
async def click_power(self) -> None:
if (await self.__click(self.__power_switch, self.__click_delay)):
_logger.info("Clicked power")
async def click_power_long(self) -> None:
if (await self.__click(self.__power_switch, self.__long_click_delay)):
_logger.info("Clicked power (long press)")
async def click_reset(self) -> None:
if (await self.__click(self.__reset_switch, self.__click_delay)):
_logger.info("Clicked reset")
async def __click(self, pin: int, delay: float) -> bool:
if not self.__lock.locked():
async with self.__lock:
for flag in (True, False):
gpio.write(pin, flag)
await asyncio.sleep(delay)
return True
return False