1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
# ========================================================================== #
# #
# KVMD - The main Pi-KVM daemon. #
# #
# Copyright (C) 2018 Maxim Devaev <[email protected]> #
# #
# 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/>. #
# #
# ========================================================================== #
import asyncio
import operator
from typing import Dict
from typing import AsyncGenerator
from ...logging import get_logger
from ... import aiotools
from ... import gpio
from ...yamlconf import Option
from ...validators.basic import valid_bool
from ...validators.basic import valid_float_f01
from ...validators.hw import valid_gpio_pin
from . import AtxIsBusyError
from . import BaseAtx
# =====
class Plugin(BaseAtx): # pylint: disable=too-many-instance-attributes
def __init__( # pylint: disable=too-many-arguments,super-init-not-called
self,
power_led_pin: int,
hdd_led_pin: int,
power_led_inverted: bool,
hdd_led_inverted: bool,
power_switch_pin: int,
reset_switch_pin: int,
click_delay: float,
long_click_delay: float,
state_poll: float,
) -> None:
self.__power_led_pin = gpio.set_input(power_led_pin)
self.__hdd_led_pin = gpio.set_input(hdd_led_pin)
self.__power_switch_pin = gpio.set_output(power_switch_pin)
self.__reset_switch_pin = gpio.set_output(reset_switch_pin)
self.__power_led_inverted = power_led_inverted
self.__hdd_led_inverted = hdd_led_inverted
self.__click_delay = click_delay
self.__long_click_delay = long_click_delay
self.__state_poll = state_poll
self.__region = aiotools.AioExclusiveRegion(AtxIsBusyError)
@classmethod
def get_plugin_options(cls) -> Dict:
return {
"power_led_pin": Option(-1, type=valid_gpio_pin),
"hdd_led_pin": Option(-1, type=valid_gpio_pin),
"power_led_inverted": Option(False, type=valid_bool),
"hdd_led_inverted": Option(False, type=valid_bool),
"power_switch_pin": Option(-1, type=valid_gpio_pin),
"reset_switch_pin": Option(-1, type=valid_gpio_pin),
"click_delay": Option(0.1, type=valid_float_f01),
"long_click_delay": Option(5.5, type=valid_float_f01),
"state_poll": Option(0.1, type=valid_float_f01),
}
def get_state(self) -> Dict:
return {
"enabled": True,
"busy": self.__region.is_busy(),
"leds": {
"power": operator.xor(self.__power_led_inverted, gpio.read(self.__power_led_pin)),
"hdd": operator.xor(self.__hdd_led_inverted, gpio.read(self.__hdd_led_pin)),
},
}
async def poll_state(self) -> AsyncGenerator[Dict, None]:
prev_state: Dict = {}
while True:
state = self.get_state()
if state != prev_state:
yield state
prev_state = state
await asyncio.sleep(self.__state_poll)
async def cleanup(self) -> None:
for (name, pin) in [
("power", self.__power_switch_pin),
("reset", self.__reset_switch_pin),
]:
try:
gpio.write(pin, False)
except Exception:
get_logger(0).exception("Can't cleanup %s pin %d", name, pin)
# =====
async def power_on(self) -> bool:
if not self.get_state()["leds"]["power"]:
await self.click_power()
return True
return False
async def power_off(self) -> bool:
if self.get_state()["leds"]["power"]:
await self.click_power()
return True
return False
async def power_off_hard(self) -> bool:
if self.get_state()["leds"]["power"]:
await self.click_power_long()
return True
return False
async def power_reset_hard(self) -> bool:
if self.get_state()["leds"]["power"]:
await self.click_reset()
return True
return False
# =====
async def click_power(self) -> None:
await self.__click("power", self.__power_switch_pin, self.__click_delay)
async def click_power_long(self) -> None:
await self.__click("power_long", self.__power_switch_pin, self.__long_click_delay)
async def click_reset(self) -> None:
await self.__click("reset", self.__reset_switch_pin, self.__click_delay)
# =====
@aiotools.atomic
async def __click(self, name: str, pin: int, delay: float) -> None:
async with self.__region.exit_only_on_exception():
await self.__inner_click(name, pin, delay)
@aiotools.tasked
@aiotools.muted("Can't perform ATX click or operation was not completed")
async def __inner_click(self, name: str, pin: int, delay: float) -> None:
try:
gpio.write(pin, True)
await asyncio.sleep(delay)
finally:
try:
gpio.write(pin, False)
await asyncio.sleep(1)
finally:
await self.__region.exit()
get_logger(0).info("Clicked ATX button %r", name)
|
