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mirror of https://github.com/NixOS/mobile-nixos.git synced 2024-12-17 04:51:31 +03:00

Merge pull request #243 from samueldr-wip/feature/stage-1-ffi-evdev

stage-1: Use evdev bindings for recovery key
This commit is contained in:
Samuel Dionne-Riel 2020-11-22 16:52:29 -05:00 committed by GitHub
commit 63ab9f2368
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 877 additions and 56 deletions

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@ -1,32 +0,0 @@
# Simple wrapper around `evtest`.
# Returns `0` when one of the listed keys is held on any input device
# Returns `10` when none of the keys are held on any input device
#
# See:
# * https://github.com/torvalds/linux/blob/master/include/uapi/linux/input-event-codes.h
# TODO: Remove dependency on `evtest` and rather rely on direct evdev bindings.
# Mostly useless indirection.
# This better documents what we hope to achieve using this.
keys = ARGV
# `evdev` works on `/dev/input/event*` nodes.
# Check them *all*. We can't know which is a keyboard.
Dir.glob("/dev/input/event*").each do |ev|
# `evtest` only tests one key at a time with `--query`...
keys.each do |key|
system("evtest", "--query", ev, "EV_KEY", key)
# One of the keys desired is held
if $?.exitstatus == 10
puts "#{key} is being held"
exit 0
end
# Failed for other reason
exit $?.exitstatus unless $?.exitstatus == 0
end
end
# Re-use 10 as "no keys held", as we're using 0 as "key held".
exit 10

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@ -40,6 +40,7 @@ stdenv.mkDerivation {
# This is the "script" that will be loaded.
mrbc -o init.mrb \
$(find ${../lib} -type f | sort) \
$(find lib -type f | sort) \
$(get_tasks) \
init.rb

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@ -120,20 +120,18 @@ class Tasks::SwitchRoot < SingletonTask
def is_boot_interrupted()
keys = [
"KEY_VOLUMEUP",
"KEY_VOLUMEDOWN",
"KEY_LEFTCTRL",
"KEY_RIGHTCTRL",
"KEY_LEFTSHIFT",
"KEY_RIGHTSHIFT",
"KEY_ESC", # QEMU doesn't pass through CTRL and SHIFT as expected here...
# Keys used for "mobile" use-cases
:KEY_VOLUMEUP,
:KEY_VOLUMEDOWN,
# Keys used for "computer" use-cases
:KEY_LEFTCTRL,
:KEY_RIGHTCTRL,
:KEY_LEFTSHIFT,
:KEY_RIGHTSHIFT,
:KEY_ESC,
]
# Do *not* use System.run as it would fail the boot on return value != 0
system(LOADER, "/applets/key-held.mrb", *keys)
# It returns `0` on key being held.
$?.exitstatus == 0
Evdev.keys_held(keys)
end
# Checks if the user wants to select a generation.

60
boot/lib/evdev.rb Normal file
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@ -0,0 +1,60 @@
module Evdev
module FFI
extend Fiddle::BasicTypes
extend Fiddle::Importer
# Indirection to pass an int as an output argument.
Int = union ["int value"]
dlload("libevdev.so.2")
# https://www.freedesktop.org/software/libevdev/doc/latest/
extern "struct libevdev * libevdev_new ()"
extern "int libevdev_set_fd ( struct libevdev * , int )"
extern "void libevdev_free ( struct libevdev * )"
extern "int libevdev_has_event_type ( const struct libevdev * , unsigned int )"
extern "const char* libevdev_get_name ( const struct libevdev * )"
extern "int libevdev_fetch_event_value ( const struct libevdev *, unsigned int, unsigned int, int *)"
end
# Checks whether any of the given keys (by symbol) are held.
# Thus, this is an OR type of operation.
def self.keys_held(keys)
# Temp var for holding return value while we clean up.
ret = false
# `evdev` works on `/dev/input/event*` nodes.
# Check them *all*. We can't know which is a keyboard.
Dir.glob("/dev/input/event*").each do |dev_path|
File.open(dev_path, "r") do |dev|
fd = dev.fileno
evdev = FFI.libevdev_new()
if FFI.libevdev_set_fd(evdev, fd) != 0
$stderr.puts("warning: Could not set fd for #{dev_path}.")
else
# 0 is the initial value.
buf = FFI::Int.malloc(0)
keys.each do |key_name|
FFI.libevdev_fetch_event_value(
evdev,
Linux::InputEventCodes::EV_KEY,
Linux::InputEventCodes.const_get(key_name),
buf
)
# Delay returning until after we free'd
ret = true if buf.value == 1
end
end
FFI.libevdev_free(evdev)
return ret if ret
end
end
return false
end
end

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@ -0,0 +1,753 @@
# This is generated by `generate_evdev_data.rb`.
# If an update is needed, simply run the script.
module Linux
module InputEventCodes
INPUT_PROP_POINTER = 0x00
INPUT_PROP_DIRECT = 0x01
INPUT_PROP_BUTTONPAD = 0x02
INPUT_PROP_SEMI_MT = 0x03
INPUT_PROP_TOPBUTTONPAD = 0x04
INPUT_PROP_POINTING_STICK = 0x05
INPUT_PROP_ACCELEROMETER = 0x06
INPUT_PROP_MAX = 0x1f
INPUT_PROP_CNT = (INPUT_PROP_MAX + 1)
EV_SYN = 0x00
EV_KEY = 0x01
EV_REL = 0x02
EV_ABS = 0x03
EV_MSC = 0x04
EV_SW = 0x05
EV_LED = 0x11
EV_SND = 0x12
EV_REP = 0x14
EV_FF = 0x15
EV_PWR = 0x16
EV_FF_STATUS = 0x17
EV_MAX = 0x1f
EV_CNT = (EV_MAX+1)
SYN_REPORT = 0
SYN_CONFIG = 1
SYN_MT_REPORT = 2
SYN_DROPPED = 3
SYN_MAX = 0xf
SYN_CNT = (SYN_MAX+1)
KEY_RESERVED = 0
KEY_ESC = 1
KEY_1 = 2
KEY_2 = 3
KEY_3 = 4
KEY_4 = 5
KEY_5 = 6
KEY_6 = 7
KEY_7 = 8
KEY_8 = 9
KEY_9 = 10
KEY_0 = 11
KEY_MINUS = 12
KEY_EQUAL = 13
KEY_BACKSPACE = 14
KEY_TAB = 15
KEY_Q = 16
KEY_W = 17
KEY_E = 18
KEY_R = 19
KEY_T = 20
KEY_Y = 21
KEY_U = 22
KEY_I = 23
KEY_O = 24
KEY_P = 25
KEY_LEFTBRACE = 26
KEY_RIGHTBRACE = 27
KEY_ENTER = 28
KEY_LEFTCTRL = 29
KEY_A = 30
KEY_S = 31
KEY_D = 32
KEY_F = 33
KEY_G = 34
KEY_H = 35
KEY_J = 36
KEY_K = 37
KEY_L = 38
KEY_SEMICOLON = 39
KEY_APOSTROPHE = 40
KEY_GRAVE = 41
KEY_LEFTSHIFT = 42
KEY_BACKSLASH = 43
KEY_Z = 44
KEY_X = 45
KEY_C = 46
KEY_V = 47
KEY_B = 48
KEY_N = 49
KEY_M = 50
KEY_COMMA = 51
KEY_DOT = 52
KEY_SLASH = 53
KEY_RIGHTSHIFT = 54
KEY_KPASTERISK = 55
KEY_LEFTALT = 56
KEY_SPACE = 57
KEY_CAPSLOCK = 58
KEY_F1 = 59
KEY_F2 = 60
KEY_F3 = 61
KEY_F4 = 62
KEY_F5 = 63
KEY_F6 = 64
KEY_F7 = 65
KEY_F8 = 66
KEY_F9 = 67
KEY_F10 = 68
KEY_NUMLOCK = 69
KEY_SCROLLLOCK = 70
KEY_KP7 = 71
KEY_KP8 = 72
KEY_KP9 = 73
KEY_KPMINUS = 74
KEY_KP4 = 75
KEY_KP5 = 76
KEY_KP6 = 77
KEY_KPPLUS = 78
KEY_KP1 = 79
KEY_KP2 = 80
KEY_KP3 = 81
KEY_KP0 = 82
KEY_KPDOT = 83
KEY_ZENKAKUHANKAKU = 85
KEY_102ND = 86
KEY_F11 = 87
KEY_F12 = 88
KEY_RO = 89
KEY_KATAKANA = 90
KEY_HIRAGANA = 91
KEY_HENKAN = 92
KEY_KATAKANAHIRAGANA = 93
KEY_MUHENKAN = 94
KEY_KPJPCOMMA = 95
KEY_KPENTER = 96
KEY_RIGHTCTRL = 97
KEY_KPSLASH = 98
KEY_SYSRQ = 99
KEY_RIGHTALT = 100
KEY_LINEFEED = 101
KEY_HOME = 102
KEY_UP = 103
KEY_PAGEUP = 104
KEY_LEFT = 105
KEY_RIGHT = 106
KEY_END = 107
KEY_DOWN = 108
KEY_PAGEDOWN = 109
KEY_INSERT = 110
KEY_DELETE = 111
KEY_MACRO = 112
KEY_MUTE = 113
KEY_VOLUMEDOWN = 114
KEY_VOLUMEUP = 115
KEY_POWER = 116
KEY_KPEQUAL = 117
KEY_KPPLUSMINUS = 118
KEY_PAUSE = 119
KEY_SCALE = 120
KEY_KPCOMMA = 121
KEY_HANGEUL = 122
KEY_HANGUEL = KEY_HANGEUL
KEY_HANJA = 123
KEY_YEN = 124
KEY_LEFTMETA = 125
KEY_RIGHTMETA = 126
KEY_COMPOSE = 127
KEY_STOP = 128
KEY_AGAIN = 129
KEY_PROPS = 130
KEY_UNDO = 131
KEY_FRONT = 132
KEY_COPY = 133
KEY_OPEN = 134
KEY_PASTE = 135
KEY_FIND = 136
KEY_CUT = 137
KEY_HELP = 138
KEY_MENU = 139
KEY_CALC = 140
KEY_SETUP = 141
KEY_SLEEP = 142
KEY_WAKEUP = 143
KEY_FILE = 144
KEY_SENDFILE = 145
KEY_DELETEFILE = 146
KEY_XFER = 147
KEY_PROG1 = 148
KEY_PROG2 = 149
KEY_WWW = 150
KEY_MSDOS = 151
KEY_COFFEE = 152
KEY_SCREENLOCK = KEY_COFFEE
KEY_ROTATE_DISPLAY = 153
KEY_DIRECTION = KEY_ROTATE_DISPLAY
KEY_CYCLEWINDOWS = 154
KEY_MAIL = 155
KEY_BOOKMARKS = 156
KEY_COMPUTER = 157
KEY_BACK = 158
KEY_FORWARD = 159
KEY_CLOSECD = 160
KEY_EJECTCD = 161
KEY_EJECTCLOSECD = 162
KEY_NEXTSONG = 163
KEY_PLAYPAUSE = 164
KEY_PREVIOUSSONG = 165
KEY_STOPCD = 166
KEY_RECORD = 167
KEY_REWIND = 168
KEY_PHONE = 169
KEY_ISO = 170
KEY_CONFIG = 171
KEY_HOMEPAGE = 172
KEY_REFRESH = 173
KEY_EXIT = 174
KEY_MOVE = 175
KEY_EDIT = 176
KEY_SCROLLUP = 177
KEY_SCROLLDOWN = 178
KEY_KPLEFTPAREN = 179
KEY_KPRIGHTPAREN = 180
KEY_NEW = 181
KEY_REDO = 182
KEY_F13 = 183
KEY_F14 = 184
KEY_F15 = 185
KEY_F16 = 186
KEY_F17 = 187
KEY_F18 = 188
KEY_F19 = 189
KEY_F20 = 190
KEY_F21 = 191
KEY_F22 = 192
KEY_F23 = 193
KEY_F24 = 194
KEY_PLAYCD = 200
KEY_PAUSECD = 201
KEY_PROG3 = 202
KEY_PROG4 = 203
KEY_DASHBOARD = 204
KEY_SUSPEND = 205
KEY_CLOSE = 206
KEY_PLAY = 207
KEY_FASTFORWARD = 208
KEY_BASSBOOST = 209
KEY_PRINT = 210
KEY_HP = 211
KEY_CAMERA = 212
KEY_SOUND = 213
KEY_QUESTION = 214
KEY_EMAIL = 215
KEY_CHAT = 216
KEY_SEARCH = 217
KEY_CONNECT = 218
KEY_FINANCE = 219
KEY_SPORT = 220
KEY_SHOP = 221
KEY_ALTERASE = 222
KEY_CANCEL = 223
KEY_BRIGHTNESSDOWN = 224
KEY_BRIGHTNESSUP = 225
KEY_MEDIA = 226
KEY_SWITCHVIDEOMODE = 227
KEY_KBDILLUMTOGGLE = 228
KEY_KBDILLUMDOWN = 229
KEY_KBDILLUMUP = 230
KEY_SEND = 231
KEY_REPLY = 232
KEY_FORWARDMAIL = 233
KEY_SAVE = 234
KEY_DOCUMENTS = 235
KEY_BATTERY = 236
KEY_BLUETOOTH = 237
KEY_WLAN = 238
KEY_UWB = 239
KEY_UNKNOWN = 240
KEY_VIDEO_NEXT = 241
KEY_VIDEO_PREV = 242
KEY_BRIGHTNESS_CYCLE = 243
KEY_BRIGHTNESS_AUTO = 244
KEY_BRIGHTNESS_ZERO = KEY_BRIGHTNESS_AUTO
KEY_DISPLAY_OFF = 245
KEY_WWAN = 246
KEY_WIMAX = KEY_WWAN
KEY_RFKILL = 247
KEY_MICMUTE = 248
BTN_MISC = 0x100
BTN_0 = 0x100
BTN_1 = 0x101
BTN_2 = 0x102
BTN_3 = 0x103
BTN_4 = 0x104
BTN_5 = 0x105
BTN_6 = 0x106
BTN_7 = 0x107
BTN_8 = 0x108
BTN_9 = 0x109
BTN_MOUSE = 0x110
BTN_LEFT = 0x110
BTN_RIGHT = 0x111
BTN_MIDDLE = 0x112
BTN_SIDE = 0x113
BTN_EXTRA = 0x114
BTN_FORWARD = 0x115
BTN_BACK = 0x116
BTN_TASK = 0x117
BTN_JOYSTICK = 0x120
BTN_TRIGGER = 0x120
BTN_THUMB = 0x121
BTN_THUMB2 = 0x122
BTN_TOP = 0x123
BTN_TOP2 = 0x124
BTN_PINKIE = 0x125
BTN_BASE = 0x126
BTN_BASE2 = 0x127
BTN_BASE3 = 0x128
BTN_BASE4 = 0x129
BTN_BASE5 = 0x12a
BTN_BASE6 = 0x12b
BTN_DEAD = 0x12f
BTN_GAMEPAD = 0x130
BTN_SOUTH = 0x130
BTN_A = BTN_SOUTH
BTN_EAST = 0x131
BTN_B = BTN_EAST
BTN_C = 0x132
BTN_NORTH = 0x133
BTN_X = BTN_NORTH
BTN_WEST = 0x134
BTN_Y = BTN_WEST
BTN_Z = 0x135
BTN_TL = 0x136
BTN_TR = 0x137
BTN_TL2 = 0x138
BTN_TR2 = 0x139
BTN_SELECT = 0x13a
BTN_START = 0x13b
BTN_MODE = 0x13c
BTN_THUMBL = 0x13d
BTN_THUMBR = 0x13e
BTN_DIGI = 0x140
BTN_TOOL_PEN = 0x140
BTN_TOOL_RUBBER = 0x141
BTN_TOOL_BRUSH = 0x142
BTN_TOOL_PENCIL = 0x143
BTN_TOOL_AIRBRUSH = 0x144
BTN_TOOL_FINGER = 0x145
BTN_TOOL_MOUSE = 0x146
BTN_TOOL_LENS = 0x147
BTN_TOOL_QUINTTAP = 0x148
BTN_STYLUS3 = 0x149
BTN_TOUCH = 0x14a
BTN_STYLUS = 0x14b
BTN_STYLUS2 = 0x14c
BTN_TOOL_DOUBLETAP = 0x14d
BTN_TOOL_TRIPLETAP = 0x14e
BTN_TOOL_QUADTAP = 0x14f
BTN_WHEEL = 0x150
BTN_GEAR_DOWN = 0x150
BTN_GEAR_UP = 0x151
KEY_OK = 0x160
KEY_SELECT = 0x161
KEY_GOTO = 0x162
KEY_CLEAR = 0x163
KEY_POWER2 = 0x164
KEY_OPTION = 0x165
KEY_INFO = 0x166
KEY_TIME = 0x167
KEY_VENDOR = 0x168
KEY_ARCHIVE = 0x169
KEY_PROGRAM = 0x16a
KEY_CHANNEL = 0x16b
KEY_FAVORITES = 0x16c
KEY_EPG = 0x16d
KEY_PVR = 0x16e
KEY_MHP = 0x16f
KEY_LANGUAGE = 0x170
KEY_TITLE = 0x171
KEY_SUBTITLE = 0x172
KEY_ANGLE = 0x173
KEY_FULL_SCREEN = 0x174
KEY_ZOOM = KEY_FULL_SCREEN
KEY_MODE = 0x175
KEY_KEYBOARD = 0x176
KEY_ASPECT_RATIO = 0x177
KEY_SCREEN = KEY_ASPECT_RATIO
KEY_PC = 0x178
KEY_TV = 0x179
KEY_TV2 = 0x17a
KEY_VCR = 0x17b
KEY_VCR2 = 0x17c
KEY_SAT = 0x17d
KEY_SAT2 = 0x17e
KEY_CD = 0x17f
KEY_TAPE = 0x180
KEY_RADIO = 0x181
KEY_TUNER = 0x182
KEY_PLAYER = 0x183
KEY_TEXT = 0x184
KEY_DVD = 0x185
KEY_AUX = 0x186
KEY_MP3 = 0x187
KEY_AUDIO = 0x188
KEY_VIDEO = 0x189
KEY_DIRECTORY = 0x18a
KEY_LIST = 0x18b
KEY_MEMO = 0x18c
KEY_CALENDAR = 0x18d
KEY_RED = 0x18e
KEY_GREEN = 0x18f
KEY_YELLOW = 0x190
KEY_BLUE = 0x191
KEY_CHANNELUP = 0x192
KEY_CHANNELDOWN = 0x193
KEY_FIRST = 0x194
KEY_LAST = 0x195
KEY_AB = 0x196
KEY_NEXT = 0x197
KEY_RESTART = 0x198
KEY_SLOW = 0x199
KEY_SHUFFLE = 0x19a
KEY_BREAK = 0x19b
KEY_PREVIOUS = 0x19c
KEY_DIGITS = 0x19d
KEY_TEEN = 0x19e
KEY_TWEN = 0x19f
KEY_VIDEOPHONE = 0x1a0
KEY_GAMES = 0x1a1
KEY_ZOOMIN = 0x1a2
KEY_ZOOMOUT = 0x1a3
KEY_ZOOMRESET = 0x1a4
KEY_WORDPROCESSOR = 0x1a5
KEY_EDITOR = 0x1a6
KEY_SPREADSHEET = 0x1a7
KEY_GRAPHICSEDITOR = 0x1a8
KEY_PRESENTATION = 0x1a9
KEY_DATABASE = 0x1aa
KEY_NEWS = 0x1ab
KEY_VOICEMAIL = 0x1ac
KEY_ADDRESSBOOK = 0x1ad
KEY_MESSENGER = 0x1ae
KEY_DISPLAYTOGGLE = 0x1af
KEY_BRIGHTNESS_TOGGLE = KEY_DISPLAYTOGGLE
KEY_SPELLCHECK = 0x1b0
KEY_LOGOFF = 0x1b1
KEY_DOLLAR = 0x1b2
KEY_EURO = 0x1b3
KEY_FRAMEBACK = 0x1b4
KEY_FRAMEFORWARD = 0x1b5
KEY_CONTEXT_MENU = 0x1b6
KEY_MEDIA_REPEAT = 0x1b7
KEY_10CHANNELSUP = 0x1b8
KEY_10CHANNELSDOWN = 0x1b9
KEY_IMAGES = 0x1ba
KEY_DEL_EOL = 0x1c0
KEY_DEL_EOS = 0x1c1
KEY_INS_LINE = 0x1c2
KEY_DEL_LINE = 0x1c3
KEY_FN = 0x1d0
KEY_FN_ESC = 0x1d1
KEY_FN_F1 = 0x1d2
KEY_FN_F2 = 0x1d3
KEY_FN_F3 = 0x1d4
KEY_FN_F4 = 0x1d5
KEY_FN_F5 = 0x1d6
KEY_FN_F6 = 0x1d7
KEY_FN_F7 = 0x1d8
KEY_FN_F8 = 0x1d9
KEY_FN_F9 = 0x1da
KEY_FN_F10 = 0x1db
KEY_FN_F11 = 0x1dc
KEY_FN_F12 = 0x1dd
KEY_FN_1 = 0x1de
KEY_FN_2 = 0x1df
KEY_FN_D = 0x1e0
KEY_FN_E = 0x1e1
KEY_FN_F = 0x1e2
KEY_FN_S = 0x1e3
KEY_FN_B = 0x1e4
KEY_BRL_DOT1 = 0x1f1
KEY_BRL_DOT2 = 0x1f2
KEY_BRL_DOT3 = 0x1f3
KEY_BRL_DOT4 = 0x1f4
KEY_BRL_DOT5 = 0x1f5
KEY_BRL_DOT6 = 0x1f6
KEY_BRL_DOT7 = 0x1f7
KEY_BRL_DOT8 = 0x1f8
KEY_BRL_DOT9 = 0x1f9
KEY_BRL_DOT10 = 0x1fa
KEY_NUMERIC_0 = 0x200
KEY_NUMERIC_1 = 0x201
KEY_NUMERIC_2 = 0x202
KEY_NUMERIC_3 = 0x203
KEY_NUMERIC_4 = 0x204
KEY_NUMERIC_5 = 0x205
KEY_NUMERIC_6 = 0x206
KEY_NUMERIC_7 = 0x207
KEY_NUMERIC_8 = 0x208
KEY_NUMERIC_9 = 0x209
KEY_NUMERIC_STAR = 0x20a
KEY_NUMERIC_POUND = 0x20b
KEY_NUMERIC_A = 0x20c
KEY_NUMERIC_B = 0x20d
KEY_NUMERIC_C = 0x20e
KEY_NUMERIC_D = 0x20f
KEY_CAMERA_FOCUS = 0x210
KEY_WPS_BUTTON = 0x211
KEY_TOUCHPAD_TOGGLE = 0x212
KEY_TOUCHPAD_ON = 0x213
KEY_TOUCHPAD_OFF = 0x214
KEY_CAMERA_ZOOMIN = 0x215
KEY_CAMERA_ZOOMOUT = 0x216
KEY_CAMERA_UP = 0x217
KEY_CAMERA_DOWN = 0x218
KEY_CAMERA_LEFT = 0x219
KEY_CAMERA_RIGHT = 0x21a
KEY_ATTENDANT_ON = 0x21b
KEY_ATTENDANT_OFF = 0x21c
KEY_ATTENDANT_TOGGLE = 0x21d
KEY_LIGHTS_TOGGLE = 0x21e
BTN_DPAD_UP = 0x220
BTN_DPAD_DOWN = 0x221
BTN_DPAD_LEFT = 0x222
BTN_DPAD_RIGHT = 0x223
KEY_ALS_TOGGLE = 0x230
KEY_ROTATE_LOCK_TOGGLE = 0x231
KEY_BUTTONCONFIG = 0x240
KEY_TASKMANAGER = 0x241
KEY_JOURNAL = 0x242
KEY_CONTROLPANEL = 0x243
KEY_APPSELECT = 0x244
KEY_SCREENSAVER = 0x245
KEY_VOICECOMMAND = 0x246
KEY_ASSISTANT = 0x247
KEY_KBD_LAYOUT_NEXT = 0x248
KEY_BRIGHTNESS_MIN = 0x250
KEY_BRIGHTNESS_MAX = 0x251
KEY_KBDINPUTASSIST_PREV = 0x260
KEY_KBDINPUTASSIST_NEXT = 0x261
KEY_KBDINPUTASSIST_PREVGROUP = 0x262
KEY_KBDINPUTASSIST_NEXTGROUP = 0x263
KEY_KBDINPUTASSIST_ACCEPT = 0x264
KEY_KBDINPUTASSIST_CANCEL = 0x265
KEY_RIGHT_UP = 0x266
KEY_RIGHT_DOWN = 0x267
KEY_LEFT_UP = 0x268
KEY_LEFT_DOWN = 0x269
KEY_ROOT_MENU = 0x26a
KEY_MEDIA_TOP_MENU = 0x26b
KEY_NUMERIC_11 = 0x26c
KEY_NUMERIC_12 = 0x26d
KEY_AUDIO_DESC = 0x26e
KEY_3D_MODE = 0x26f
KEY_NEXT_FAVORITE = 0x270
KEY_STOP_RECORD = 0x271
KEY_PAUSE_RECORD = 0x272
KEY_VOD = 0x273
KEY_UNMUTE = 0x274
KEY_FASTREVERSE = 0x275
KEY_SLOWREVERSE = 0x276
KEY_DATA = 0x277
KEY_ONSCREEN_KEYBOARD = 0x278
KEY_PRIVACY_SCREEN_TOGGLE = 0x279
KEY_MACRO1 = 0x290
KEY_MACRO2 = 0x291
KEY_MACRO3 = 0x292
KEY_MACRO4 = 0x293
KEY_MACRO5 = 0x294
KEY_MACRO6 = 0x295
KEY_MACRO7 = 0x296
KEY_MACRO8 = 0x297
KEY_MACRO9 = 0x298
KEY_MACRO10 = 0x299
KEY_MACRO11 = 0x29a
KEY_MACRO12 = 0x29b
KEY_MACRO13 = 0x29c
KEY_MACRO14 = 0x29d
KEY_MACRO15 = 0x29e
KEY_MACRO16 = 0x29f
KEY_MACRO17 = 0x2a0
KEY_MACRO18 = 0x2a1
KEY_MACRO19 = 0x2a2
KEY_MACRO20 = 0x2a3
KEY_MACRO21 = 0x2a4
KEY_MACRO22 = 0x2a5
KEY_MACRO23 = 0x2a6
KEY_MACRO24 = 0x2a7
KEY_MACRO25 = 0x2a8
KEY_MACRO26 = 0x2a9
KEY_MACRO27 = 0x2aa
KEY_MACRO28 = 0x2ab
KEY_MACRO29 = 0x2ac
KEY_MACRO30 = 0x2ad
KEY_MACRO_RECORD_START = 0x2b0
KEY_MACRO_RECORD_STOP = 0x2b1
KEY_MACRO_PRESET_CYCLE = 0x2b2
KEY_MACRO_PRESET1 = 0x2b3
KEY_MACRO_PRESET2 = 0x2b4
KEY_MACRO_PRESET3 = 0x2b5
KEY_KBD_LCD_MENU1 = 0x2b8
KEY_KBD_LCD_MENU2 = 0x2b9
KEY_KBD_LCD_MENU3 = 0x2ba
KEY_KBD_LCD_MENU4 = 0x2bb
KEY_KBD_LCD_MENU5 = 0x2bc
BTN_TRIGGER_HAPPY = 0x2c0
BTN_TRIGGER_HAPPY1 = 0x2c0
BTN_TRIGGER_HAPPY2 = 0x2c1
BTN_TRIGGER_HAPPY3 = 0x2c2
BTN_TRIGGER_HAPPY4 = 0x2c3
BTN_TRIGGER_HAPPY5 = 0x2c4
BTN_TRIGGER_HAPPY6 = 0x2c5
BTN_TRIGGER_HAPPY7 = 0x2c6
BTN_TRIGGER_HAPPY8 = 0x2c7
BTN_TRIGGER_HAPPY9 = 0x2c8
BTN_TRIGGER_HAPPY10 = 0x2c9
BTN_TRIGGER_HAPPY11 = 0x2ca
BTN_TRIGGER_HAPPY12 = 0x2cb
BTN_TRIGGER_HAPPY13 = 0x2cc
BTN_TRIGGER_HAPPY14 = 0x2cd
BTN_TRIGGER_HAPPY15 = 0x2ce
BTN_TRIGGER_HAPPY16 = 0x2cf
BTN_TRIGGER_HAPPY17 = 0x2d0
BTN_TRIGGER_HAPPY18 = 0x2d1
BTN_TRIGGER_HAPPY19 = 0x2d2
BTN_TRIGGER_HAPPY20 = 0x2d3
BTN_TRIGGER_HAPPY21 = 0x2d4
BTN_TRIGGER_HAPPY22 = 0x2d5
BTN_TRIGGER_HAPPY23 = 0x2d6
BTN_TRIGGER_HAPPY24 = 0x2d7
BTN_TRIGGER_HAPPY25 = 0x2d8
BTN_TRIGGER_HAPPY26 = 0x2d9
BTN_TRIGGER_HAPPY27 = 0x2da
BTN_TRIGGER_HAPPY28 = 0x2db
BTN_TRIGGER_HAPPY29 = 0x2dc
BTN_TRIGGER_HAPPY30 = 0x2dd
BTN_TRIGGER_HAPPY31 = 0x2de
BTN_TRIGGER_HAPPY32 = 0x2df
BTN_TRIGGER_HAPPY33 = 0x2e0
BTN_TRIGGER_HAPPY34 = 0x2e1
BTN_TRIGGER_HAPPY35 = 0x2e2
BTN_TRIGGER_HAPPY36 = 0x2e3
BTN_TRIGGER_HAPPY37 = 0x2e4
BTN_TRIGGER_HAPPY38 = 0x2e5
BTN_TRIGGER_HAPPY39 = 0x2e6
BTN_TRIGGER_HAPPY40 = 0x2e7
KEY_MIN_INTERESTING = KEY_MUTE
KEY_MAX = 0x2ff
KEY_CNT = (KEY_MAX+1)
REL_X = 0x00
REL_Y = 0x01
REL_Z = 0x02
REL_RX = 0x03
REL_RY = 0x04
REL_RZ = 0x05
REL_HWHEEL = 0x06
REL_DIAL = 0x07
REL_WHEEL = 0x08
REL_MISC = 0x09
REL_RESERVED = 0x0a
REL_WHEEL_HI_RES = 0x0b
REL_HWHEEL_HI_RES = 0x0c
REL_MAX = 0x0f
REL_CNT = (REL_MAX+1)
ABS_X = 0x00
ABS_Y = 0x01
ABS_Z = 0x02
ABS_RX = 0x03
ABS_RY = 0x04
ABS_RZ = 0x05
ABS_THROTTLE = 0x06
ABS_RUDDER = 0x07
ABS_WHEEL = 0x08
ABS_GAS = 0x09
ABS_BRAKE = 0x0a
ABS_HAT0X = 0x10
ABS_HAT0Y = 0x11
ABS_HAT1X = 0x12
ABS_HAT1Y = 0x13
ABS_HAT2X = 0x14
ABS_HAT2Y = 0x15
ABS_HAT3X = 0x16
ABS_HAT3Y = 0x17
ABS_PRESSURE = 0x18
ABS_DISTANCE = 0x19
ABS_TILT_X = 0x1a
ABS_TILT_Y = 0x1b
ABS_TOOL_WIDTH = 0x1c
ABS_VOLUME = 0x20
ABS_MISC = 0x28
ABS_RESERVED = 0x2e
ABS_MT_SLOT = 0x2f
ABS_MT_TOUCH_MAJOR = 0x30
ABS_MT_TOUCH_MINOR = 0x31
ABS_MT_WIDTH_MAJOR = 0x32
ABS_MT_WIDTH_MINOR = 0x33
ABS_MT_ORIENTATION = 0x34
ABS_MT_POSITION_X = 0x35
ABS_MT_POSITION_Y = 0x36
ABS_MT_TOOL_TYPE = 0x37
ABS_MT_BLOB_ID = 0x38
ABS_MT_TRACKING_ID = 0x39
ABS_MT_PRESSURE = 0x3a
ABS_MT_DISTANCE = 0x3b
ABS_MT_TOOL_X = 0x3c
ABS_MT_TOOL_Y = 0x3d
ABS_MAX = 0x3f
ABS_CNT = (ABS_MAX+1)
SW_LID = 0x00
SW_TABLET_MODE = 0x01
SW_HEADPHONE_INSERT = 0x02
SW_RFKILL_ALL = 0x03
SW_RADIO = SW_RFKILL_ALL
SW_MICROPHONE_INSERT = 0x04
SW_DOCK = 0x05
SW_LINEOUT_INSERT = 0x06
SW_JACK_PHYSICAL_INSERT = 0x07
SW_VIDEOOUT_INSERT = 0x08
SW_CAMERA_LENS_COVER = 0x09
SW_KEYPAD_SLIDE = 0x0a
SW_FRONT_PROXIMITY = 0x0b
SW_ROTATE_LOCK = 0x0c
SW_LINEIN_INSERT = 0x0d
SW_MUTE_DEVICE = 0x0e
SW_PEN_INSERTED = 0x0f
SW_MAX = 0x0f
SW_CNT = (SW_MAX+1)
MSC_SERIAL = 0x00
MSC_PULSELED = 0x01
MSC_GESTURE = 0x02
MSC_RAW = 0x03
MSC_SCAN = 0x04
MSC_TIMESTAMP = 0x05
MSC_MAX = 0x07
MSC_CNT = (MSC_MAX+1)
LED_NUML = 0x00
LED_CAPSL = 0x01
LED_SCROLLL = 0x02
LED_COMPOSE = 0x03
LED_KANA = 0x04
LED_SLEEP = 0x05
LED_SUSPEND = 0x06
LED_MUTE = 0x07
LED_MISC = 0x08
LED_MAIL = 0x09
LED_CHARGING = 0x0a
LED_MAX = 0x0f
LED_CNT = (LED_MAX+1)
REP_DELAY = 0x00
REP_PERIOD = 0x01
REP_MAX = 0x01
REP_CNT = (REP_MAX+1)
SND_CLICK = 0x00
SND_BELL = 0x01
SND_TONE = 0x02
SND_MAX = 0x07
SND_CNT = (SND_MAX+1)
end
end

View File

@ -0,0 +1,53 @@
#!/usr/bin/env nix-shell
#!nix-shell --packages linuxHeaders ruby -i ruby
# This script can be used to update the input_event_codes ruby file.
# The file is intended to be committed and updated as needed.
# At worst, an outdated file will lack *newly introduced* identifiers.
# This is not much of an issue when most of the kernels for this
# project are of older vintage!
# On the same idea, using newer headers is never an issue with "kernel
# header files". In this particular instance, at worst you're looking
# for an identifier the kernel does not know about, so it will never
# return it.
HEADERS = ENV["buildInputs"].split(/\s+/).grep(/linux-headers/).first
INPUT_CODES = File.join(HEADERS, "/include/linux/input-event-codes.h")
parsed = File.read(INPUT_CODES).lines.grep(/^#define/).map do |line|
line.split("/*").first.sub(/^#define/, "").strip.split(/\s+/, 2)
end.reject { |pair| pair.first.match(/^_/) }
mod = <<~EOF
# This is generated by `generate_evdev_data.rb`.
# If an update is needed, simply run the script.
module Linux
module InputEventCodes
#{
parsed.map do |pair|
name, value = pair
%Q{ #{name} = #{value}}
end.join("\n")
}
end
end
EOF
# Verify it works
eval mod
# A bit of additional checks
{
EV_KEY: 1,
KEY_Q: 16,
KEY_VOLUMEUP: 115,
}.each do |k, v|
actual = Linux::InputEventCodes.const_get(k)
unless actual == v
raise "The module probably is not right. #{k} != #{v} // #{k} = #{actual}"
end
end
path = File.join(__dir__(), "..", "lib/linux/input_event_codes.rb")
File.write(path, mod)
puts "Wrote '#{path}'."

View File

@ -1,9 +1,6 @@
{ config, lib, pkgs, ... }:
let
key-held = pkgs.runCommand "key-held.mrb" {} ''
${pkgs.buildPackages.mruby}/bin/mrbc -o $out ${../boot/applets}/key-held.rb
'';
minimalX11Config = pkgs.runCommandNoCC "minimalX11Config" {
allowedReferences = [ "out" ];
} ''
@ -38,21 +35,12 @@ in
object = pkgs.mobile-nixos.stage-1.boot-recovery-menu;
symlink = "/applets/boot-selection.mrb";
}
{
object = key-held;
symlink = "/applets/key-held.mrb";
}
{
object = "${minimalX11Config}";
symlink = "/etc/X11";
}
];
mobile.boot.stage-1.extraUtils = with pkgs; [
# Used for `key-held.mrb`.
{ package = evtest; }
];
mobile.boot.stage-1.environment = {
XKB_CONFIG_ROOT = "/etc/X11/xkb";
XLOCALEDIR = "/etc/X11/locale";