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Solaar/lib/logitech_receiver/hidpp20.py

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# -*- python-mode -*-
## Copyright (C) 2012-2013 Daniel Pavel
##
## 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 2 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, write to the Free Software Foundation, Inc.,
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# Logitech Unifying Receiver API.
import threading as _threading
from logging import DEBUG as _DEBUG
from logging import ERROR as _ERROR
from logging import INFO as _INFO
from logging import WARNING as _WARNING
from logging import getLogger
from struct import pack as _pack
from struct import unpack as _unpack
from typing import List
from . import special_keys
from .common import BATTERY_APPROX as _BATTERY_APPROX
from .common import FirmwareInfo as _FirmwareInfo
from .common import KwException as _KwException
from .common import NamedInt as _NamedInt
from .common import NamedInts as _NamedInts
from .common import UnsortedNamedInts as _UnsortedNamedInts
from .common import bytes2int as _bytes2int
from .common import int2bytes as _int2bytes
_log = getLogger(__name__)
del getLogger
#
#
#
# <FeaturesSupported.xml sed '/LD_FID_/{s/.*LD_FID_/\t/;s/"[ \t]*Id="/=/;s/" \/>/,/p}' | sort -t= -k2
# additional features names taken from https://github.com/cvuchener/hidpp and
# https://github.com/Logitech/cpg-docs/tree/master/hidpp20
"""Possible features available on a Logitech device.
A particular device might not support all these features, and may support other
unknown features as well.
"""
FEATURE = _NamedInts(
ROOT=0x0000,
FEATURE_SET=0x0001,
FEATURE_INFO=0x0002,
# Common
DEVICE_FW_VERSION=0x0003,
DEVICE_UNIT_ID=0x0004,
DEVICE_NAME=0x0005,
DEVICE_GROUPS=0x0006,
DEVICE_FRIENDLY_NAME=0x0007,
KEEP_ALIVE=0x0008,
RESET=0x0020, # "Config Change"
CRYPTO_ID=0x0021,
TARGET_SOFTWARE=0x0030,
WIRELESS_SIGNAL_STRENGTH=0x0080,
DFUCONTROL_LEGACY=0x00C0,
DFUCONTROL_UNSIGNED=0x00C1,
DFUCONTROL_SIGNED=0x00C2,
DFUCONTROL=0x00C3,
DFU=0x00D0,
BATTERY_STATUS=0x1000,
BATTERY_VOLTAGE=0x1001,
UNIFIED_BATTERY=0x1004,
CHARGING_CONTROL=0x1010,
LED_CONTROL=0x1300,
GENERIC_TEST=0x1800,
DEVICE_RESET=0x1802,
OOBSTATE=0x1805,
CONFIG_DEVICE_PROPS=0x1806,
CHANGE_HOST=0x1814,
HOSTS_INFO=0x1815,
BACKLIGHT=0x1981,
BACKLIGHT2=0x1982,
BACKLIGHT3=0x1983,
ILLUMINATION=0x1990,
PRESENTER_CONTROL=0x1A00,
SENSOR_3D=0x1A01,
REPROG_CONTROLS=0x1B00,
REPROG_CONTROLS_V2=0x1B01,
REPROG_CONTROLS_V2_2=0x1B02, # LogiOptions 2.10.73 features.xml
REPROG_CONTROLS_V3=0x1B03,
REPROG_CONTROLS_V4=0x1B04,
REPORT_HID_USAGE=0x1BC0,
PERSISTENT_REMAPPABLE_ACTION=0x1C00,
WIRELESS_DEVICE_STATUS=0x1D4B,
REMAINING_PAIRING=0x1DF0,
FIRMWARE_PROPERTIES=0x1F1F,
ADC_MEASUREMENT=0x1F20,
# Mouse
LEFT_RIGHT_SWAP=0x2001,
SWAP_BUTTON_CANCEL=0x2005,
POINTER_AXIS_ORIENTATION=0x2006,
VERTICAL_SCROLLING=0x2100,
SMART_SHIFT=0x2110,
SMART_SHIFT_ENHANCED=0x2111,
HI_RES_SCROLLING=0x2120,
HIRES_WHEEL=0x2121,
LOWRES_WHEEL=0x2130,
THUMB_WHEEL=0x2150,
MOUSE_POINTER=0x2200,
ADJUSTABLE_DPI=0x2201,
POINTER_SPEED=0x2205,
ANGLE_SNAPPING=0x2230,
SURFACE_TUNING=0x2240,
XY_STATS=0x2250,
WHEEL_STATS=0x2251,
HYBRID_TRACKING=0x2400,
# Keyboard
FN_INVERSION=0x40A0,
NEW_FN_INVERSION=0x40A2,
K375S_FN_INVERSION=0x40A3,
ENCRYPTION=0x4100,
LOCK_KEY_STATE=0x4220,
SOLAR_DASHBOARD=0x4301,
KEYBOARD_LAYOUT=0x4520,
KEYBOARD_DISABLE_KEYS=0x4521,
KEYBOARD_DISABLE_BY_USAGE=0x4522,
DUALPLATFORM=0x4530,
MULTIPLATFORM=0x4531,
KEYBOARD_LAYOUT_2=0x4540,
CROWN=0x4600,
# Touchpad
TOUCHPAD_FW_ITEMS=0x6010,
TOUCHPAD_SW_ITEMS=0x6011,
TOUCHPAD_WIN8_FW_ITEMS=0x6012,
TAP_ENABLE=0x6020,
TAP_ENABLE_EXTENDED=0x6021,
CURSOR_BALLISTIC=0x6030,
TOUCHPAD_RESOLUTION=0x6040,
TOUCHPAD_RAW_XY=0x6100,
TOUCHMOUSE_RAW_POINTS=0x6110,
TOUCHMOUSE_6120=0x6120,
GESTURE=0x6500,
GESTURE_2=0x6501,
# Gaming Devices
GKEY=0x8010,
MKEYS=0x8020,
MR=0x8030,
BRIGHTNESS_CONTROL=0x8040,
REPORT_RATE=0x8060,
COLOR_LED_EFFECTS=0x8070,
RGB_EFFECTS=0x8071,
PER_KEY_LIGHTING=0x8080,
PER_KEY_LIGHTING_V2=0x8081,
MODE_STATUS=0x8090,
ONBOARD_PROFILES=0x8100,
MOUSE_BUTTON_SPY=0x8110,
LATENCY_MONITORING=0x8111,
GAMING_ATTACHMENTS=0x8120,
FORCE_FEEDBACK=0x8123,
# Headsets
SIDETONE=0x8300,
EQUALIZER=0x8310,
HEADSET_OUT=0x8320,
# Fake features for Solaar internal use
MOUSE_GESTURE=0xFE00,
)
FEATURE._fallback = lambda x: 'unknown:%04X' % x
FEATURE_FLAG = _NamedInts(internal=0x20, hidden=0x40, obsolete=0x80)
DEVICE_KIND = _NamedInts(
keyboard=0x00, remote_control=0x01, numpad=0x02, mouse=0x03, touchpad=0x04, trackball=0x05, presenter=0x06, receiver=0x07
)
FIRMWARE_KIND = _NamedInts(Firmware=0x00, Bootloader=0x01, Hardware=0x02, Other=0x03)
BATTERY_OK = lambda status: status not in (BATTERY_STATUS.invalid_battery, BATTERY_STATUS.thermal_error)
BATTERY_STATUS = _NamedInts(
discharging=0x00,
recharging=0x01,
almost_full=0x02,
full=0x03,
slow_recharge=0x04,
invalid_battery=0x05,
thermal_error=0x06
)
ONBOARD_MODES = _NamedInts(MODE_NO_CHANGE=0x00, MODE_ONBOARD=0x01, MODE_HOST=0x02)
CHARGE_STATUS = _NamedInts(charging=0x00, full=0x01, not_charging=0x02, error=0x07)
CHARGE_LEVEL = _NamedInts(average=50, full=90, critical=5)
CHARGE_TYPE = _NamedInts(standard=0x00, fast=0x01, slow=0x02)
ERROR = _NamedInts(
unknown=0x01,
invalid_argument=0x02,
out_of_range=0x03,
hardware_error=0x04,
logitech_internal=0x05,
invalid_feature_index=0x06,
invalid_function=0x07,
busy=0x08,
unsupported=0x09
)
#
#
#
class FeatureNotSupported(_KwException):
"""Raised when trying to request a feature not supported by the device."""
pass
class FeatureCallError(_KwException):
"""Raised if the device replied to a feature call with an error."""
pass
#
#
#
class FeaturesArray(dict):
def __init__(self, device):
assert device is not None
self.supported = True
self.device = device
self.inverse = {}
self.count = 0
def _check(self):
if self.supported is False or not self.device.online:
return False
if self.device.protocol and self.device.protocol < 2.0:
self.supported = False
return False
if self.count > 0:
return True
reply = self.device.request(0x0000, _pack('!H', FEATURE.FEATURE_SET))
if reply is not None:
fs_index = ord(reply[0:1])
if fs_index:
count = self.device.request(fs_index << 8)
if count is None:
_log.warn('FEATURE_SET found, but failed to read features count')
return False
else:
self.count = ord(count[:1])
self[FEATURE.ROOT] = 0
self[FEATURE.FEATURE_SET] = fs_index
return True
else:
self.supported = False
return False
def get_feature(self, index):
feature = self.inverse.get(index)
if feature is not None:
return feature
elif self._check():
feature = self.device.feature_request(FEATURE.FEATURE_SET, 0x10, index)
if feature:
feature = FEATURE[_unpack('!H', feature[:2])[0]]
self[feature] = index
return feature
def enumerate(self): # return all features and their index, ordered by index
if self._check():
for index in range(self.count):
feature = self.get_feature(index)
yield feature, index
__bool__ = __nonzero__ = _check
def __getitem__(self, feature):
index = super().get(feature)
if index is not None:
return index
elif self._check():
response = self.device.request(0x0000, _pack('!H', feature))
if response:
index = response[0]
self[feature] = index if index else False
return index if index else False
def __setitem__(self, feature, index):
if type(super().get(feature)) == int:
self.inverse.pop(super().get(feature))
super().__setitem__(feature, index)
if type(index) == int:
self.inverse[index] = feature
def __delitem__(self, feature):
if type(super().get(feature)) == int:
self.inverse.pop(super().get(feature))
super().__delitem__(feature)
def __contains__(self, feature): # is a feature present
index = self.__getitem__(feature)
return index is not None and index is not False
def __len__(self):
return self.count
class ReprogrammableKey:
"""Information about a control present on a device with the `REPROG_CONTROLS` feature.
Ref: https://drive.google.com/file/d/0BxbRzx7vEV7eU3VfMnRuRXktZ3M/view
Read-only properties:
- index {int} -- index in the control ID table
- key {_NamedInt} -- the name of this control
- default_task {_NamedInt} -- the native function of this control
- flags {List[str]} -- capabilities and desired software handling of the control
"""
def __init__(self, device, index, cid, tid, flags):
self._device = device
self.index = index
self._cid = cid
self._tid = tid
self._flags = flags
@property
def key(self) -> _NamedInt:
return special_keys.CONTROL[self._cid]
@property
def default_task(self) -> _NamedInt:
"""NOTE: This NamedInt is a bit mixed up, because its value is the Control ID
while the name is the Control ID's native task. But this makes more sense
than presenting details of controls vs tasks in the interface. The same
convention applies to `mapped_to`, `remappable_to`, `remap` in `ReprogrammableKeyV4`."""
task = str(special_keys.TASK[self._tid])
return _NamedInt(self._cid, task)
@property
def flags(self) -> List[str]:
return special_keys.KEY_FLAG.flag_names(self._flags)
class ReprogrammableKeyV4(ReprogrammableKey):
"""Information about a control present on a device with the `REPROG_CONTROLS_V4` feature.
Ref (v2): https://lekensteyn.nl/files/logitech/x1b04_specialkeysmsebuttons.html
Ref (v4): https://drive.google.com/file/d/10imcbmoxTJ1N510poGdsviEhoFfB_Ua4/view
Contains all the functionality of `ReprogrammableKey` plus remapping keys and /diverting/ them
in order to handle keypresses in a custom way.
Additional read-only properties:
- pos {int} -- position of this control on the device; 1-16 for FN-keys, otherwise 0
- group {int} -- the group this control belongs to; other controls with this group in their
`group_mask` can be remapped to this control
- group_mask {List[str]} -- this control can be remapped to any control ID in these groups
- mapped_to {_NamedInt} -- which action this control is mapped to; usually itself
- remappable_to {List[_NamedInt]} -- list of actions which this control can be remapped to
- mapping_flags {List[str]} -- mapping flags set on the control
"""
def __init__(self, device, index, cid, tid, flags, pos, group, gmask):
ReprogrammableKey.__init__(self, device, index, cid, tid, flags)
self.pos = pos
self.group = group
self._gmask = gmask
self._mapping_flags = None
self._mapped_to = None
@property
def group_mask(self):
return special_keys.CID_GROUP_BIT.flag_names(self._gmask)
@property
def mapped_to(self) -> _NamedInt:
if self._mapped_to is None:
self._getCidReporting()
self._device.keys._ensure_all_keys_queried()
task = str(special_keys.TASK[self._device.keys.cid_to_tid[self._mapped_to]])
return _NamedInt(self._mapped_to, task)
@property
def remappable_to(self) -> _NamedInts:
self._device.keys._ensure_all_keys_queried()
ret = _UnsortedNamedInts()
if self.group_mask != []: # only keys with a non-zero gmask are remappable
ret[self.default_task] = self.default_task # it should always be possible to map the key to itself
for g in self.group_mask:
g = special_keys.CID_GROUP[str(g)]
for tgt_cid in self._device.keys.group_cids[g]:
tgt_task = str(special_keys.TASK[self._device.keys.cid_to_tid[tgt_cid]])
tgt_task = _NamedInt(tgt_cid, tgt_task)
if tgt_task != self.default_task: # don't put itself in twice
ret[tgt_task] = tgt_task
return ret
@property
def mapping_flags(self) -> List[str]:
if self._mapping_flags is None:
self._getCidReporting()
return special_keys.MAPPING_FLAG.flag_names(self._mapping_flags)
def set_diverted(self, value: bool):
"""If set, the control is diverted temporarily and reports presses as HID++ events."""
flags = {special_keys.MAPPING_FLAG.diverted: value}
self._setCidReporting(flags=flags)
def set_persistently_diverted(self, value: bool):
"""If set, the control is diverted permanently and reports presses as HID++ events."""
flags = {special_keys.MAPPING_FLAG.persistently_diverted: value}
self._setCidReporting(flags=flags)
def set_rawXY_reporting(self, value: bool):
"""If set, the mouse temporarily reports all its raw XY events while this control is pressed as HID++ events."""
flags = {special_keys.MAPPING_FLAG.raw_XY_diverted: value}
self._setCidReporting(flags=flags)
def remap(self, to: _NamedInt):
"""Temporarily remaps this control to another action."""
self._setCidReporting(remap=int(to))
def _getCidReporting(self):
try:
mapped_data = feature_request(self._device, FEATURE.REPROG_CONTROLS_V4, 0x20, *tuple(_pack('!H', self._cid)))
if mapped_data:
cid, mapping_flags_1, mapped_to = _unpack('!HBH', mapped_data[:5])
if cid != self._cid and _log.isEnabledFor(_WARNING):
_log.warn(
f'REPROG_CONTROLS_V4 endpoint getCidReporting on device {self._device} replied ' +
f'with a different control ID ({cid}) than requested ({self._cid}).'
)
self._mapped_to = mapped_to if mapped_to != 0 else self._cid
if len(mapped_data) > 5:
mapping_flags_2, = _unpack('!B', mapped_data[5:6])
else:
mapping_flags_2 = 0
self._mapping_flags = mapping_flags_1 | (mapping_flags_2 << 8)
else:
raise FeatureCallError(msg='No reply from device.')
except Exception:
if _log.isEnabledFor(_ERROR):
_log.error(f'Exception in _getCidReporting on device {self._device}: ', exc_info=1)
# Clear flags and set mapping target to self as fallback
self._mapping_flags = 0
self._mapped_to = self._cid
def _setCidReporting(self, flags=None, remap=0):
"""Sends a `setCidReporting` request with the given parameters. Raises an exception if the parameters are invalid.
Parameters:
- flags {Dict[_NamedInt,bool]} -- a dictionary of which mapping flags to set/unset
- remap {int} -- which control ID to remap to; or 0 to keep current mapping
"""
flags = flags if flags else {} # See flake8 B006
# if special_keys.MAPPING_FLAG.raw_XY_diverted in flags and flags[special_keys.MAPPING_FLAG.raw_XY_diverted]:
# We need diversion to report raw XY, so divert temporarily (since XY reporting is also temporary)
# flags[special_keys.MAPPING_FLAG.diverted] = True
# if special_keys.MAPPING_FLAG.diverted in flags and not flags[special_keys.MAPPING_FLAG.diverted]:
# flags[special_keys.MAPPING_FLAG.raw_XY_diverted] = False
# The capability required to set a given reporting flag.
FLAG_TO_CAPABILITY = {
special_keys.MAPPING_FLAG.diverted: special_keys.KEY_FLAG.divertable,
special_keys.MAPPING_FLAG.persistently_diverted: special_keys.KEY_FLAG.persistently_divertable,
special_keys.MAPPING_FLAG.analytics_key_events_reporting: special_keys.KEY_FLAG.analytics_key_events,
special_keys.MAPPING_FLAG.force_raw_XY_diverted: special_keys.KEY_FLAG.force_raw_XY,
special_keys.MAPPING_FLAG.raw_XY_diverted: special_keys.KEY_FLAG.raw_XY
}
bfield = 0
for f, v in flags.items():
if v and FLAG_TO_CAPABILITY[f] not in self.flags:
raise FeatureNotSupported(
msg=f'Tried to set mapping flag "{f}" on control "{self.key}" ' +
f'which does not support "{FLAG_TO_CAPABILITY[f]}" on device {self._device}.'
)
bfield |= int(f) if v else 0
bfield |= int(f) << 1 # The 'Xvalid' bit
if self._mapping_flags: # update flags if already read
if v:
self._mapping_flags |= int(f)
else:
self._mapping_flags &= ~int(f)
if remap != 0 and remap not in self.remappable_to:
raise FeatureNotSupported(
msg=f'Tried to remap control "{self.key}" to a control ID {remap} which it is not remappable to ' +
f'on device {self._device}.'
)
if remap != 0: # update mapping if changing (even if not already read)
self._mapped_to = remap
pkt = tuple(_pack('!HBH', self._cid, bfield & 0xff, remap))
# TODO: to fully support version 4 of REPROG_CONTROLS_V4, append `(bfield >> 8) & 0xff` here.
# But older devices might behave oddly given that byte, so we don't send it.
ret = feature_request(self._device, FEATURE.REPROG_CONTROLS_V4, 0x30, *pkt)
if ret is None or _unpack('!BBBBB', ret[:5]) != pkt and _log.isEnabledFor(_DEBUG):
_log.debug(f"REPROG_CONTROLS_v4 setCidReporting on device {self._device} didn't echo request packet.")
class PersistentRemappableAction():
def __init__(self, device, index, cid, actionId, remapped, modifierMask, cidStatus):
self._device = device
self.index = index
self._cid = cid
self.actionId = actionId
self.remapped = remapped
self._modifierMask = modifierMask
self.cidStatus = cidStatus
@property
def key(self) -> _NamedInt:
return special_keys.CONTROL[self._cid]
@property
def actionType(self) -> _NamedInt:
return special_keys.ACTIONID[self._actionId]
@property
def action(self):
if self.actionId == special_keys.ACTIONID.Empty:
return None
elif self.actionId == special_keys.ACTIONID.Key:
return 'Key: ' + str(self.modifiers) + str(self.remapped)
elif self.actionId == special_keys.ACTIONID.Mouse:
return 'Mouse Button: ' + str(self.remapped)
elif self.actionId == special_keys.ACTIONID.Xdisp:
return 'X Displacement ' + str(self.remapped)
elif self.actionId == special_keys.ACTIONID.Ydisp:
return 'Y Displacement ' + str(self.remapped)
elif self.actionId == special_keys.ACTIONID.Vscroll:
return 'Vertical Scroll ' + str(self.remapped)
elif self.actionId == special_keys.ACTIONID.Hscroll:
return 'Horizontal Scroll: ' + str(self.remapped)
elif self.actionId == special_keys.ACTIONID.Consumer:
return 'Consumer: ' + str(self.remapped)
elif self.actionId == special_keys.ACTIONID.Internal:
return 'Internal Action ' + str(self.remapped)
elif self.actionId == special_keys.ACTIONID.Internal:
return 'Power ' + str(self.remapped)
else:
return 'Unknown'
@property
def modifiers(self):
return special_keys.modifiers[self._modifierMask]
@property
def data_bytes(self):
return _int2bytes(self.actionId, 1) + _int2bytes(self.remapped, 2) + _int2bytes(self._modifierMask, 1)
def remap(self, data_bytes):
cid = _int2bytes(self._cid, 2)
if _bytes2int(data_bytes) == special_keys.KEYS_Default: # map back to default
feature_request(self._device, FEATURE.PERSISTENT_REMAPPABLE_ACTION, 0x50, cid, 0xFF)
self._device.remap_keys._query_key(self.index)
return self._device.remap_keys.keys[self.index].data_bytes
else:
self._actionId, self._code, self._modifierMask = _unpack('!BHB', data_bytes)
self.cidStatus = 0x01
feature_request(self._device, FEATURE.PERSISTENT_REMAPPABLE_ACTION, 0x40, cid, 0xFF, data_bytes)
return True
class KeysArray:
"""A sequence of key mappings supported by a HID++ 2.0 device."""
def __init__(self, device, count, version):
assert device is not None
self.device = device
self.lock = _threading.Lock()
if FEATURE.REPROG_CONTROLS_V4 in self.device.features:
self.keyversion = FEATURE.REPROG_CONTROLS_V4
elif FEATURE.REPROG_CONTROLS_V2 in self.device.features:
self.keyversion = FEATURE.REPROG_CONTROLS_V2
else:
if _log.isEnabledFor(_ERROR):
_log.error(f'Trying to read keys on device {device} which has no REPROG_CONTROLS(_VX) support.')
self.keyversion = None
self.keys = [None] * count
def _query_key(self, index: int):
"""Queries the device for a given key and stores it in self.keys."""
if index < 0 or index >= len(self.keys):
raise IndexError(index)
# TODO: add here additional variants for other REPROG_CONTROLS
if self.keyversion == FEATURE.REPROG_CONTROLS_V2:
keydata = feature_request(self.device, FEATURE.REPROG_CONTROLS_V2, 0x10, index)
if keydata:
cid, tid, flags = _unpack('!HHB', keydata[:5])
self.keys[index] = ReprogrammableKey(self.device, index, cid, tid, flags)
self.cid_to_tid[cid] = tid
elif self.keyversion == FEATURE.REPROG_CONTROLS_V4:
keydata = feature_request(self.device, FEATURE.REPROG_CONTROLS_V4, 0x10, index)
if keydata:
cid, tid, flags1, pos, group, gmask, flags2 = _unpack('!HHBBBBB', keydata[:9])
flags = flags1 | (flags2 << 8)
self.keys[index] = ReprogrammableKeyV4(self.device, index, cid, tid, flags, pos, group, gmask)
self.cid_to_tid[cid] = tid
if group != 0: # 0 = does not belong to a group
self.group_cids[special_keys.CID_GROUP[group]].append(cid)
elif _log.isEnabledFor(_WARNING):
_log.warn(f"Key with index {index} was expected to exist but device doesn't report it.")
def _ensure_all_keys_queried(self):
"""The retrieval of key information is lazy, but for certain functionality
we need to know all keys. This function makes sure that's the case."""
with self.lock: # don't want two threads doing this
for (i, k) in enumerate(self.keys):
if k is None:
self._query_key(i)
def __getitem__(self, index):
if isinstance(index, int):
if index < 0 or index >= len(self.keys):
raise IndexError(index)
if self.keys[index] is None:
self._query_key(index)
return self.keys[index]
elif isinstance(index, slice):
indices = index.indices(len(self.keys))
return [self.__getitem__(i) for i in range(*indices)]
def index(self, value):
self._ensure_all_keys_queried()
for index, k in enumerate(self.keys):
if k is not None and int(value) == int(k.key):
return index
def __iter__(self):
for k in range(0, len(self.keys)):
yield self.__getitem__(k)
def __len__(self):
return len(self.keys)
class KeysArrayV1(KeysArray):
def __init__(self, device, count, version=1):
super().__init__(device, count, version)
"""The mapping from Control IDs to their native Task IDs.
For example, Control "Left Button" is mapped to Task "Left Click".
When remapping controls, we point the control we want to remap
at a target Control ID rather than a target Task ID. This has the
effect of performing the native task of the target control,
even if the target itself is also remapped. So remapping
is not recursive."""
self.cid_to_tid = {}
"""The mapping from Control ID groups to Controls IDs that belong to it.
A key k can only be remapped to targets in groups within k.group_mask."""
self.group_cids = {g: [] for g in special_keys.CID_GROUP}
def _query_key(self, index: int):
if index < 0 or index >= len(self.keys):
raise IndexError(index)
keydata = feature_request(self.device, FEATURE.REPROG_CONTROLS, 0x10, index)
if keydata:
cid, tid, flags = _unpack('!HHB', keydata[:5])
self.keys[index] = ReprogrammableKey(self.device, index, cid, tid, flags)
self.cid_to_tid[cid] = tid
elif _log.isEnabledFor(_WARNING):
_log.warn(f"Key with index {index} was expected to exist but device doesn't report it.")
class KeysArrayV4(KeysArrayV1):
def __init__(self, device, count):
super().__init__(device, count, 4)
def _query_key(self, index: int):
if index < 0 or index >= len(self.keys):
raise IndexError(index)
keydata = feature_request(self.device, FEATURE.REPROG_CONTROLS_V4, 0x10, index)
if keydata:
cid, tid, flags1, pos, group, gmask, flags2 = _unpack('!HHBBBBB', keydata[:9])
flags = flags1 | (flags2 << 8)
self.keys[index] = ReprogrammableKeyV4(self.device, index, cid, tid, flags, pos, group, gmask)
self.cid_to_tid[cid] = tid
if group != 0: # 0 = does not belong to a group
self.group_cids[special_keys.CID_GROUP[group]].append(cid)
elif _log.isEnabledFor(_WARNING):
_log.warn(f"Key with index {index} was expected to exist but device doesn't report it.")
# we are only interested in the current host, so use 0xFF for the host throughout
class KeysArrayPersistent(KeysArray):
def __init__(self, device, count):
super().__init__(device, count, 5)
self._capabilities = None
@property
def capabilities(self):
if self._capabilities is None and self.device.online:
capabilities = self.device.feature_request(FEATURE.PERSISTENT_REMAPPABLE_ACTION, 0x00)
assert capabilities, 'Oops, persistent remappable key capabilities cannot be retrieved!'
self._capabilities = _unpack('!H', capabilities[:2])[0] # flags saying what the mappings are possible
return self._capabilities
def _query_key(self, index: int):
if index < 0 or index >= len(self.keys):
raise IndexError(index)
keydata = feature_request(self.device, FEATURE.PERSISTENT_REMAPPABLE_ACTION, 0x20, index, 0xff)
if keydata:
key = _unpack('!H', keydata[:2])[0]
try:
mapped_data = feature_request(
self.device, FEATURE.PERSISTENT_REMAPPABLE_ACTION, 0x30, key & 0xff00, key & 0xff, 0xff
)
if mapped_data:
_ignore, _ignore, actionId, remapped, modifiers, status = _unpack('!HBBHBB', mapped_data[:8])
except Exception:
actionId = remapped = modifiers = status = 0
actionId = special_keys.ACTIONID[actionId]
if actionId == special_keys.ACTIONID.Key:
remapped = special_keys.USB_HID_KEYCODES[remapped]
elif actionId == special_keys.ACTIONID.Mouse:
remapped = special_keys.MOUSE_BUTTONS[remapped]
elif actionId == special_keys.ACTIONID.Hscroll:
remapped = special_keys.HORIZONTAL_SCROLL[remapped]
elif actionId == special_keys.ACTIONID.Consumer:
remapped = special_keys.HID_CONSUMERCODES[remapped]
elif actionId == special_keys.ACTIONID.Empty: # purge data from empty value
remapped = modifiers = 0
self.keys[index] = PersistentRemappableAction(self.device, index, key, actionId, remapped, modifiers, status)
elif _log.isEnabledFor(_WARNING):
_log.warn(f"Key with index {index} was expected to exist but device doesn't report it.")
# Gesture Ids for feature GESTURE_2
GESTURE = _NamedInts(
Tap1Finger=1, # task Left_Click
Tap2Finger=2, # task Right_Click
Tap3Finger=3,
Click1Finger=4, # task Left_Click
Click2Finger=5, # task Right_Click
Click3Finger=6,
DoubleTap1Finger=10,
DoubleTap2Finger=11,
DoubleTap3Finger=12,
Track1Finger=20, # action MovePointer
TrackingAcceleration=21,
TapDrag1Finger=30, # action Drag
TapDrag2Finger=31, # action SecondaryDrag
Drag3Finger=32,
TapGestures=33, # group all tap gestures under a single UI setting
FnClickGestureSuppression=34, # suppresses Tap and Edge gestures, toggled by Fn+Click
Scroll1Finger=40, # action ScrollOrPageXY / ScrollHorizontal
Scroll2Finger=41, # action ScrollOrPageXY / ScrollHorizontal
Scroll2FingerHoriz=42, # action ScrollHorizontal
Scroll2FingerVert=43, # action WheelScrolling
Scroll2FingerStateless=44,
NaturalScrolling=45, # affects native HID wheel reporting by gestures, not when diverted
Thumbwheel=46, # action WheelScrolling
VScrollInertia=48,
VScrollBallistics=49,
Swipe2FingerHoriz=50, # action PageScreen
Swipe3FingerHoriz=51, # action PageScreen
Swipe4FingerHoriz=52, # action PageScreen
Swipe3FingerVert=53,
Swipe4FingerVert=54,
LeftEdgeSwipe1Finger=60,
RightEdgeSwipe1Finger=61,
BottomEdgeSwipe1Finger=62,
TopEdgeSwipe1Finger=63,
LeftEdgeSwipe1Finger2=64, # task HorzScrollNoRepeatSet
RightEdgeSwipe1Finger2=65, # task 122 ??
BottomEdgeSwipe1Finger2=66, #
TopEdgeSwipe1Finger2=67, # task 121 ??
LeftEdgeSwipe2Finger=70,
RightEdgeSwipe2Finger=71,
BottomEdgeSwipe2Finger=72,
TopEdgeSwipe2Finger=73,
Zoom2Finger=80, # action Zoom
Zoom2FingerPinch=81, # ZoomBtnInSet
Zoom2FingerSpread=82, # ZoomBtnOutSet
Zoom3Finger=83,
Zoom2FingerStateless=84, # action Zoom
TwoFingersPresent=85,
Rotate2Finger=87,
Finger1=90,
Finger2=91,
Finger3=92,
Finger4=93,
Finger5=94,
Finger6=95,
Finger7=96,
Finger8=97,
Finger9=98,
Finger10=99,
DeviceSpecificRawData=100,
)
GESTURE._fallback = lambda x: 'unknown:%04X' % x
# Param Ids for feature GESTURE_2
PARAM = _NamedInts(
ExtraCapabilities=1, # not suitable for use
PixelZone=2, # 4 2-byte integers, left, bottom, width, height; pixels
RatioZone=3, # 4 bytes, left, bottom, width, height; unit 1/240 pad size
ScaleFactor=4, # 2-byte integer, with 256 as normal scale
)
PARAM._fallback = lambda x: 'unknown:%04X' % x
class SubParam:
__slots__ = ('id', 'length', 'minimum', 'maximum', 'widget')
def __init__(self, id, length, minimum=None, maximum=None, widget=None):
self.id = id
self.length = length
self.minimum = minimum if minimum is not None else 0
self.maximum = maximum if maximum is not None else ((1 << 8 * length) - 1)
self.widget = widget if widget is not None else 'Scale'
def __str__(self):
return self.id
def __repr__(self):
return self.id
SUB_PARAM = { # (byte count, minimum, maximum)
PARAM['ExtraCapabilities']: None, # ignore
PARAM['PixelZone']: ( # TODO: replace min and max with the correct values
SubParam('left', 2, 0x0000, 0xFFFF, 'SpinButton'),
SubParam('bottom', 2, 0x0000, 0xFFFF, 'SpinButton'),
SubParam('width', 2, 0x0000, 0xFFFF, 'SpinButton'),
SubParam('height', 2, 0x0000, 0xFFFF, 'SpinButton')),
PARAM['RatioZone']: ( # TODO: replace min and max with the correct values
SubParam('left', 1, 0x00, 0xFF, 'SpinButton'),
SubParam('bottom', 1, 0x00, 0xFF, 'SpinButton'),
SubParam('width', 1, 0x00, 0xFF, 'SpinButton'),
SubParam('height', 1, 0x00, 0xFF, 'SpinButton')),
PARAM['ScaleFactor']: (
SubParam('scale', 2, 0x002E, 0x01FF, 'Scale'), )
}
# Spec Ids for feature GESTURE_2
SPEC = _NamedInts(
DVI_field_width=1,
field_widths=2,
period_unit=3,
resolution=4,
multiplier=5,
sensor_size=6,
finger_width_and_height=7,
finger_major_minor_axis=8,
finger_force=9,
zone=10
)
SPEC._fallback = lambda x: 'unknown:%04X' % x
# Action Ids for feature GESTURE_2
ACTION_ID = _NamedInts(
MovePointer=1,
ScrollHorizontal=2,
WheelScrolling=3,
ScrollVertial=4,
ScrollOrPageXY=5,
ScrollOrPageHorizontal=6,
PageScreen=7,
Drag=8,
SecondaryDrag=9,
Zoom=10,
ScrollHorizontalOnly=11,
ScrollVerticalOnly=12
)
ACTION_ID._fallback = lambda x: 'unknown:%04X' % x
class Gesture:
def __init__(self, device, low, high, next_index, next_diversion_index):
self._device = device
self.id = low
self.gesture = GESTURE[low]
self.can_be_enabled = high & 0x01
self.can_be_diverted = high & 0x02
self.show_in_ui = high & 0x04
self.desired_software_default = high & 0x08
self.persistent = high & 0x10
self.default_enabled = high & 0x20
self.index = next_index if self.can_be_enabled or self.default_enabled else None
self.diversion_index = next_diversion_index if self.can_be_diverted else None
self._enabled = None
self._diverted = None
def _offset_mask(self, index): # offset and mask
if index is not None:
offset = index >> 3 # 8 gestures per byte
mask = 0x1 << (index % 8)
return (offset, mask)
else:
return (None, None)
enable_offset_mask = lambda gesture: gesture._offset_mask(gesture.index)
diversion_offset_mask = lambda gesture: gesture._offset_mask(gesture.diversion_index)
def enabled(self): # is the gesture enabled?
if self._enabled is None and self.index is not None:
offset, mask = self.enable_offset_mask()
result = feature_request(self._device, FEATURE.GESTURE_2, 0x10, offset, 0x01, mask)
self._enabled = bool(result[0] & mask) if result else None
return self._enabled
def set(self, enable): # enable or disable the gesture
if not self.can_be_enabled:
return None
if self.index is not None:
offset, mask = self.enable_offset_mask()
reply = feature_request(self._device, FEATURE.GESTURE_2, 0x20, offset, 0x01, mask, mask if enable else 0x00)
return reply
def diverted(self): # is the gesture diverted?
if self._diverted is None and self.diversion_index is not None:
offset, mask = self.diversion_offset_mask()
result = feature_request(self._device, FEATURE.GESTURE_2, 0x30, offset, 0x01, mask)
self._diverted = bool(result[0] & mask) if result else None
return self._diverted
def divert(self, diverted): # divert or undivert the gesture
if not self.can_be_diverted:
return None
if self.diversion_index is not None:
offset, mask = self.diversion_offset_mask()
reply = feature_request(self._device, FEATURE.GESTURE_2, 0x40, offset, 0x01, mask, mask if diverted else 0x00)
return reply
def as_int(self):
return self.gesture
def __int__(self):
return self.id
def __repr__(self):
return f'<Gesture {self.gesture} index={self.index} diversion_index={self.diversion_index}>'
# allow a gesture to be used as a settings reader/writer to enable and disable the gesture
read = enabled
write = set
class Param:
param_index = {}
def __init__(self, device, low, high):
self._device = device
self.id = low
self.param = PARAM[low]
self.size = high & 0x0F
self.show_in_ui = bool(high & 0x1F)
self._value = None
self._default_value = None
self.index = Param.param_index.get(device, 0)
Param.param_index[device] = self.index + 1
@property
def sub_params(self):
return SUB_PARAM.get(self.id, None)
@property
def value(self):
return self._value if self._value is not None else self.read()
def read(self): # returns the bytes for the parameter
result = feature_request(self._device, FEATURE.GESTURE_2, 0x70, self.index, 0xFF)
if result:
self._value = _bytes2int(result[:self.size])
return self._value
@property
def default_value(self):
if self._default_value is None:
self._default_value = self._read_default()
return self._default_value
def _read_default(self):
result = feature_request(self._device, FEATURE.GESTURE_2, 0x60, self.index, 0xFF)
if result:
self._default_value = _bytes2int(result[:self.size])
return self._default_value
def write(self, bytes):
self._value = bytes
return feature_request(self._device, FEATURE.GESTURE_2, 0x80, self.index, bytes, 0xFF)
def __str__(self):
return str(self.param)
def __int__(self):
return self.id
class Spec:
def __init__(self, device, low, high):
self._device = device
self.id = low
self.spec = SPEC[low]
self.byte_count = high & 0x0F
self._value = None
@property
def value(self):
if self._value is None:
self._value = self.read()
return self._value
def read(self):
try:
value = feature_request(self._device, FEATURE.GESTURE_2, 0x50, self.id, 0xFF)
except FeatureCallError:
# I don't know if this should happen, but I get an error
# with spec 5
return None
return _bytes2int(value[:self.byte_count])
def __repr__(self):
return f'[{self.spec}={self.value}]'
class Gestures:
"""Information about the gestures that a device supports.
Right now only some information fields are supported.
WARNING: Assumes that parameters are always global, which is not the case.
"""
def __init__(self, device):
self.device = device
self.gestures = {}
self.params = {}
self.specs = {}
index = 0
next_gesture_index = next_divsn_index = 0
field_high = 0x00
while field_high != 0x01: # end of fields
# retrieve the next eight fields
fields = feature_request(device, FEATURE.GESTURE_2, 0x00, index >> 8, index & 0xFF)
if not fields:
break
for offset in range(8):
field_high = fields[offset * 2]
field_low = fields[offset * 2 + 1]
if field_high == 0x1: # end of fields
break
elif field_high & 0x80:
gesture = Gesture(device, field_low, field_high, next_gesture_index, next_divsn_index)
next_gesture_index = next_gesture_index if gesture.index is None else next_gesture_index + 1
next_divsn_index = next_divsn_index if gesture.diversion_index is None else next_divsn_index + 1
self.gestures[gesture.gesture] = gesture
elif field_high & 0xF0 == 0x30 or field_high & 0xF0 == 0x20:
param = Param(device, field_low, field_high)
self.params[param.param] = param
elif field_high == 0x04:
if field_low != 0x00:
_log.error(f'Unimplemented GESTURE_2 grouping {field_low} {field_high} found.')
elif field_high & 0xF0 == 0x40:
spec = Spec(device, field_low, field_high)
self.specs[spec.spec] = spec
else:
_log.warn(f'Unimplemented GESTURE_2 field {field_low} {field_high} found.')
index += 1
def gesture(self, gesture):
return self.gestures.get(gesture, None)
def gesture_enabled(self, gesture): # is the gesture enabled?
g = self.gestures.get(gesture, None)
return g.enabled(self.device) if g else None
def enable_gesture(self, gesture):
g = self.gestures.get(gesture, None)
return g.set(self.device, True) if g else None
def disable_gesture(self, gesture):
g = self.gestures.get(gesture, None)
return g.set(self.device, False) if g else None
def param(self, param):
return self.params.get(param, None)
def get_param(self, param):
g = self.params.get(param, None)
return g.get(self.device) if g else None
def set_param(self, param, value):
g = self.params.get(param, None)
return g.set(self.device, value) if g else None
#
#
#
def feature_request(device, feature, function=0x00, *params, no_reply=False):
if device.online and device.features:
if feature in device.features:
feature_index = device.features[feature]
return device.request((feature_index << 8) + (function & 0xFF), *params, no_reply=no_reply)
def get_firmware(device):
"""Reads a device's firmware info.
:returns: a list of FirmwareInfo tuples, ordered by firmware layer.
"""
count = feature_request(device, FEATURE.DEVICE_FW_VERSION)
if count:
count = ord(count[:1])
fw = []
for index in range(0, count):
fw_info = feature_request(device, FEATURE.DEVICE_FW_VERSION, 0x10, index)
if fw_info:
level = ord(fw_info[:1]) & 0x0F
if level == 0 or level == 1:
name, version_major, version_minor, build = _unpack('!3sBBH', fw_info[1:8])
version = '%02X.%02X' % (version_major, version_minor)
if build:
version += '.B%04X' % build
extras = fw_info[9:].rstrip(b'\x00') or None
fw_info = _FirmwareInfo(FIRMWARE_KIND[level], name.decode('ascii'), version, extras)
elif level == FIRMWARE_KIND.Hardware:
fw_info = _FirmwareInfo(FIRMWARE_KIND.Hardware, '', str(ord(fw_info[1:2])), None)
else:
fw_info = _FirmwareInfo(FIRMWARE_KIND.Other, '', '', None)
fw.append(fw_info)
# if _log.isEnabledFor(_DEBUG):
# _log.debug("device %d firmware %s", devnumber, fw_info)
return tuple(fw)
def get_ids(device):
"""Reads a device's ids (unit and model numbers)"""
ids = feature_request(device, FEATURE.DEVICE_FW_VERSION)
if ids:
unitId = ids[1:5]
modelId = ids[7:13]
transport_bits = ord(ids[6:7])
offset = 0
tid_map = {}
for transport, flag in [('btid', 0x1), ('btleid', 0x02), ('wpid', 0x04), ('usbid', 0x08)]:
if transport_bits & flag:
tid_map[transport] = modelId[offset:offset + 2].hex().upper()
offset = offset + 2
return (unitId.hex().upper(), modelId.hex().upper(), tid_map)
def get_kind(device):
"""Reads a device's type.
:see DEVICE_KIND:
:returns: a string describing the device type, or ``None`` if the device is
not available or does not support the ``DEVICE_NAME`` feature.
"""
kind = feature_request(device, FEATURE.DEVICE_NAME, 0x20)
if kind:
kind = ord(kind[:1])
# if _log.isEnabledFor(_DEBUG):
# _log.debug("device %d type %d = %s", devnumber, kind, DEVICE_KIND[kind])
return DEVICE_KIND[kind]
def get_name(device):
"""Reads a device's name.
:returns: a string with the device name, or ``None`` if the device is not
available or does not support the ``DEVICE_NAME`` feature.
"""
name_length = feature_request(device, FEATURE.DEVICE_NAME)
if name_length:
name_length = ord(name_length[:1])
name = b''
while len(name) < name_length:
fragment = feature_request(device, FEATURE.DEVICE_NAME, 0x10, len(name))
if fragment:
name += fragment[:name_length - len(name)]
else:
_log.error('failed to read whole name of %s (expected %d chars)', device, name_length)
return None
return name.decode('utf-8')
def get_friendly_name(device):
"""Reads a device's friendly name.
:returns: a string with the device name, or ``None`` if the device is not
available or does not support the ``DEVICE_NAME`` feature.
"""
name_length = feature_request(device, FEATURE.DEVICE_FRIENDLY_NAME)
if name_length:
name_length = ord(name_length[:1])
name = b''
while len(name) < name_length:
fragment = feature_request(device, FEATURE.DEVICE_FRIENDLY_NAME, 0x10, len(name))
if fragment:
initial_null = 0 if fragment[0] else 1 # initial null actually seen on a device
name += fragment[initial_null:name_length + initial_null - len(name)]
else:
_log.error('failed to read whole name of %s (expected %d chars)', device, name_length)
return None
return name.decode('utf-8')
def get_battery(device):
"""Reads a device's battery level."""
battery = feature_request(device, FEATURE.BATTERY_STATUS)
if battery:
discharge, next, status = _unpack('!BBB', battery[:3])
discharge = None if discharge == 0 else discharge
status = BATTERY_STATUS[status]
if _log.isEnabledFor(_DEBUG):
_log.debug('device %d battery %s%% charged, next %s%%, status %s', device.number, discharge, next, status)
return discharge, status, next
else:
battery = feature_request(device, FEATURE.UNIFIED_BATTERY, 0x10)
if battery:
return decipher_unified_battery(battery)
def decipher_unified_battery(report):
discharge, level, status, _ignore = _unpack('!BBBB', report[:4])
status = BATTERY_STATUS[status]
if _log.isEnabledFor(_DEBUG):
_log.debug('battery %s%% charged, level %s, charging %s', discharge, level, status)
level = (
_BATTERY_APPROX.full if level == 8 # full
else _BATTERY_APPROX.good if level == 4 # good
else _BATTERY_APPROX.low if level == 2 # low
else _BATTERY_APPROX.critical if level == 1 # critical
else _BATTERY_APPROX.empty
)
return discharge if discharge else level, status, None
def get_voltage(device):
battery_voltage = feature_request(device, FEATURE.BATTERY_VOLTAGE)
if battery_voltage:
return decipher_voltage(battery_voltage)
# voltage to remaining charge from Logitech
battery_voltage_remaining = (
(4186, 100),
(4067, 90),
(3989, 80),
(3922, 70),
(3859, 60),
(3811, 50),
(3778, 40),
(3751, 30),
(3717, 20),
(3671, 10),
(3646, 5),
(3579, 2),
(3500, 0),
(-1000, 0),
)
# modified to be much closer to battery reports
def decipher_voltage(voltage_report):
voltage, flags = _unpack('>HB', voltage_report[:3])
status = BATTERY_STATUS.discharging
charge_sts = ERROR.unknown
charge_lvl = CHARGE_LEVEL.average
charge_type = CHARGE_TYPE.standard
if flags & (1 << 7):
status = BATTERY_STATUS.recharging
charge_sts = CHARGE_STATUS[flags & 0x03]
if charge_sts is None:
charge_sts = ERROR.unknown
elif charge_sts == CHARGE_STATUS.full:
charge_lvl = CHARGE_LEVEL.full
status = BATTERY_STATUS.full
if (flags & (1 << 3)):
charge_type = CHARGE_TYPE.fast
elif (flags & (1 << 4)):
charge_type = CHARGE_TYPE.slow
status = BATTERY_STATUS.slow_recharge
elif (flags & (1 << 5)):
charge_lvl = CHARGE_LEVEL.critical
for level in battery_voltage_remaining:
if level[0] < voltage:
charge_lvl = level[1]
break
if _log.isEnabledFor(_DEBUG):
_log.debug(
'device ???, battery voltage %d mV, charging = %s, charge status %d = %s, charge level %s, charge type %s',
voltage, status, (flags & 0x03), charge_sts, charge_lvl, charge_type
)
return charge_lvl, status, voltage, charge_sts, charge_type
def get_keys(device):
# TODO: add here additional variants for other REPROG_CONTROLS
count = None
if FEATURE.REPROG_CONTROLS_V2 in device.features:
count = feature_request(device, FEATURE.REPROG_CONTROLS_V2)
return KeysArrayV1(device, ord(count[:1]))
elif FEATURE.REPROG_CONTROLS_V4 in device.features:
count = feature_request(device, FEATURE.REPROG_CONTROLS_V4)
return KeysArrayV4(device, ord(count[:1]))
return None
def get_remap_keys(device):
count = feature_request(device, FEATURE.PERSISTENT_REMAPPABLE_ACTION, 0x10)
if count:
return KeysArrayPersistent(device, ord(count[:1]))
def get_gestures(device):
if getattr(device, '_gestures', None) is not None:
return device._gestures
if FEATURE.GESTURE_2 in device.features:
return Gestures(device)
def get_mouse_pointer_info(device):
pointer_info = feature_request(device, FEATURE.MOUSE_POINTER)
if pointer_info:
dpi, flags = _unpack('!HB', pointer_info[:3])
acceleration = ('none', 'low', 'med', 'high')[flags & 0x3]
suggest_os_ballistics = (flags & 0x04) != 0
suggest_vertical_orientation = (flags & 0x08) != 0
return {
'dpi': dpi,
'acceleration': acceleration,
'suggest_os_ballistics': suggest_os_ballistics,
'suggest_vertical_orientation': suggest_vertical_orientation
}
def get_vertical_scrolling_info(device):
vertical_scrolling_info = feature_request(device, FEATURE.VERTICAL_SCROLLING)
if vertical_scrolling_info:
roller, ratchet, lines = _unpack('!BBB', vertical_scrolling_info[:3])
roller_type = (
'reserved', 'standard', 'reserved', '3G', 'micro', 'normal touch pad', 'inverted touch pad', 'reserved'
)[roller]
return {'roller': roller_type, 'ratchet': ratchet, 'lines': lines}
def get_hi_res_scrolling_info(device):
hi_res_scrolling_info = feature_request(device, FEATURE.HI_RES_SCROLLING)
if hi_res_scrolling_info:
mode, resolution = _unpack('!BB', hi_res_scrolling_info[:2])
return mode, resolution
def get_pointer_speed_info(device):
pointer_speed_info = feature_request(device, FEATURE.POINTER_SPEED)
if pointer_speed_info:
pointer_speed_hi, pointer_speed_lo = _unpack('!BB', pointer_speed_info[:2])
# if pointer_speed_lo > 0:
# pointer_speed_lo = pointer_speed_lo
return pointer_speed_hi + pointer_speed_lo / 256
def get_lowres_wheel_status(device):
lowres_wheel_status = feature_request(device, FEATURE.LOWRES_WHEEL)
if lowres_wheel_status:
wheel_flag = _unpack('!B', lowres_wheel_status[:1])[0]
wheel_reporting = ('HID', 'HID++')[wheel_flag & 0x01]
return wheel_reporting
def get_hires_wheel(device):
caps = feature_request(device, FEATURE.HIRES_WHEEL, 0x00)
mode = feature_request(device, FEATURE.HIRES_WHEEL, 0x10)
ratchet = feature_request(device, FEATURE.HIRES_WHEEL, 0x030)
if caps and mode and ratchet:
# Parse caps
multi, flags = _unpack('!BB', caps[:2])
has_invert = (flags & 0x08) != 0
has_ratchet = (flags & 0x04) != 0
# Parse mode
wheel_mode, reserved = _unpack('!BB', mode[:2])
target = (wheel_mode & 0x01) != 0
res = (wheel_mode & 0x02) != 0
inv = (wheel_mode & 0x04) != 0
# Parse Ratchet switch
ratchet_mode, reserved = _unpack('!BB', ratchet[:2])
ratchet = (ratchet_mode & 0x01) != 0
return multi, has_invert, has_ratchet, inv, res, target, ratchet
def get_new_fn_inversion(device):
state = feature_request(device, FEATURE.NEW_FN_INVERSION, 0x00)
if state:
inverted, default_inverted = _unpack('!BB', state[:2])
inverted = (inverted & 0x01) != 0
default_inverted = (default_inverted & 0x01) != 0
return inverted, default_inverted
def get_host_names(device):
state = feature_request(device, FEATURE.HOSTS_INFO, 0x00)
host_names = {}
if state:
capability_flags, _ignore, numHosts, currentHost = _unpack('!BBBB', state[:4])
if capability_flags & 0x01: # device can get host names
for host in range(0, numHosts):
hostinfo = feature_request(device, FEATURE.HOSTS_INFO, 0x10, host)
_ignore, status, _ignore, _ignore, nameLen, _ignore = _unpack('!BBBBBB', hostinfo[:6])
name = ''
remaining = nameLen
while remaining > 0:
name_piece = feature_request(device, FEATURE.HOSTS_INFO, 0x30, host, nameLen - remaining)
if name_piece:
name += name_piece[2:2 + min(remaining, 14)].decode()
remaining = max(0, remaining - 14)
else:
remaining = 0
host_names[host] = (bool(status), name)
# update the current host's name if it doesn't match the system name
import socket
hostname = socket.gethostname().partition('.')[0]
if host_names[currentHost][1] != hostname:
set_host_name(device, hostname, host_names[currentHost][1])
host_names[currentHost] = (host_names[currentHost][0], hostname)
return host_names
def set_host_name(device, name, currentName=''):
name = bytearray(name, 'utf-8')
currentName = bytearray(currentName, 'utf-8')
if _log.isEnabledFor(_INFO):
_log.info('Setting host name to %s', name)
state = feature_request(device, FEATURE.HOSTS_INFO, 0x00)
if state:
flags, _ignore, _ignore, currentHost = _unpack('!BBBB', state[:4])
if flags & 0x02:
hostinfo = feature_request(device, FEATURE.HOSTS_INFO, 0x10, currentHost)
_ignore, _ignore, _ignore, _ignore, _ignore, maxNameLen = _unpack('!BBBBBB', hostinfo[:6])
if name[:maxNameLen] == currentName[:maxNameLen] and False:
return True
length = min(maxNameLen, len(name))
chunk = 0
while chunk < length:
response = feature_request(device, FEATURE.HOSTS_INFO, 0x40, currentHost, chunk, name[chunk:chunk + 14])
if not response:
return False
chunk += 14
return True
def get_onboard_mode(device):
state = feature_request(device, FEATURE.ONBOARD_PROFILES, 0x20)
if state:
mode = _unpack('!B', state[:1])[0]
return mode
def set_onboard_mode(device, mode):
state = feature_request(device, FEATURE.ONBOARD_PROFILES, 0x10, mode)
return state
def get_polling_rate(device):
state = feature_request(device, FEATURE.REPORT_RATE, 0x10)
if state:
rate = _unpack('!B', state[:1])[0]
return rate
def get_remaining_pairing(device):
result = feature_request(device, FEATURE.REMAINING_PAIRING, 0x0)
if result:
result = _unpack('!B', result[:1])[0]
return result
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