458 lines
18 KiB
Python
458 lines
18 KiB
Python
import errno as _errno
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from logging import INFO as _INFO
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from logging import getLogger
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from typing import Optional
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import hidapi as _hid
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import solaar.configuration as _configuration
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from . import base as _base
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from . import descriptors as _descriptors
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from . import hidpp10 as _hidpp10
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from . import hidpp20 as _hidpp20
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from .common import strhex as _strhex
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from .settings_templates import check_feature_settings as _check_feature_settings
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_log = getLogger(__name__)
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del getLogger
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_R = _hidpp10.REGISTERS
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_IR = _hidpp10.INFO_SUBREGISTERS
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KIND_MAP = {kind: _hidpp10.DEVICE_KIND[str(kind)] for kind in _hidpp20.DEVICE_KIND}
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#
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#
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#
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class Device:
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read_register = _hidpp10.read_register
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write_register = _hidpp10.write_register
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def __init__(self, receiver, number, link_notification=None, info=None):
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assert receiver or info
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self.receiver = receiver
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self.may_unpair = False
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self.isDevice = True # some devices act as receiver so we need a property to distinguish them
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self.handle = None
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self.path = None
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self.product_id = None
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if receiver:
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assert number > 0 and number <= receiver.max_devices
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else:
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assert number == 0xFF
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# Device number, 1..6 for unifying devices, 1 otherwise.
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self.number = number
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# 'device active' flag; requires manual management.
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self.online = None
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# the Wireless PID is unique per device model
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self.wpid = None
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self.descriptor = None
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# Bluetooth connections need long messages
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self.bluetooth = False
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# mouse, keyboard, etc (see _hidpp10.DEVICE_KIND)
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self._kind = None
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# Unifying peripherals report a codename.
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self._codename = None
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# the full name of the model
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self._name = None
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# HID++ protocol version, 1.0 or 2.0
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self._protocol = None
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# serial number (an 8-char hex string)
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self._serial = None
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# unit id (distinguishes within a model - the same as serial)
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self._unitId = None
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# model id (contains identifiers for the transports of the device)
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self._modelId = None
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# map from transports to product identifiers
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self._tid_map = None
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# persister holds settings
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self._persister = None
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self._firmware = None
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self._keys = None
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self._gestures = None
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self._registers = None
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self._settings = None
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self._feature_settings_checked = False
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# Misc stuff that's irrelevant to any functionality, but may be
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# displayed in the UI and caching it here helps.
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self._polling_rate = None
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self._power_switch = None
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# See `add_notification_handler`
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self._notification_handlers = {}
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# if _log.isEnabledFor(_DEBUG):
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# _log.debug("new Device(%s, %s, %s)", receiver, number, link_notification)
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if receiver:
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if link_notification is not None:
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self.online = not bool(ord(link_notification.data[0:1]) & 0x40)
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self.wpid = _strhex(link_notification.data[2:3] + link_notification.data[1:2])
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# assert link_notification.address == (0x04 if unifying else 0x03)
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kind = ord(link_notification.data[0:1]) & 0x0F
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# get 27Mhz wpid and set kind based on index
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if receiver.ex100_27mhz_wpid_fix: # 27 Mhz receiver
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self.wpid = '00' + _strhex(link_notification.data[2:3])
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kind = self.get_kind_from_index(number, receiver)
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self._kind = _hidpp10.DEVICE_KIND[kind]
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else:
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# Not a notification, force a reading of the wpid
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self.online = True
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self.update_pairing_information()
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# the wpid is necessary to properly identify wireless link on/off
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# notifications also it gets set to None on this object when the
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# device is unpaired
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assert self.wpid is not None, 'failed to read wpid: device %d of %s' % (number, receiver)
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self.path = _hid.find_paired_node(receiver.path, number, 1)
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try:
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self.handle = _hid.open_path(self.path) if self.path else None
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except Exception: # maybe the device wasn't set up
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try:
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import time
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time.sleep(1)
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self.handle = _hid.open_path(self.path)
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except Exception: # give up
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self.handle = None
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self.descriptor = _descriptors.get_wpid(self.wpid)
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if self.descriptor is None:
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# Last chance to correctly identify the device; many Nano receivers do not support this call.
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codename = self.receiver.device_codename(self.number)
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if codename:
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self._codename = codename
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self.descriptor = _descriptors.get_codename(self._codename)
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else:
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self.path = info.path
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self.handle = _hid.open_path(self.path)
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self.online = None # a direct connected device might not be online (as reported by user)
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self.product_id = info.product_id
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self.bluetooth = info.bus_id == 0x0005
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self.descriptor = _descriptors.get_btid(self.product_id
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) if self.bluetooth else _descriptors.get_usbid(self.product_id)
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if self.descriptor:
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self._name = self.descriptor.name
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if self.descriptor.protocol:
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self._protocol = self.descriptor.protocol
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if self._codename is None:
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self._codename = self.descriptor.codename
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if self._kind is None:
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self._kind = self.descriptor.kind
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if self._protocol is not None:
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self.features = None if self._protocol < 2.0 else _hidpp20.FeaturesArray(self)
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else:
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# may be a 2.0 device; if not, it will fix itself later
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self.features = _hidpp20.FeaturesArray(self)
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@property
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def protocol(self):
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if not self._protocol and self.online:
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self._protocol = _base.ping(self.handle or self.receiver.handle, self.number, long_message=self.bluetooth)
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# if the ping failed, the peripheral is (almost) certainly offline
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self.online = self._protocol is not None
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# if _log.isEnabledFor(_DEBUG):
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# _log.debug("device %d protocol %s", self.number, self._protocol)
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return self._protocol or 0
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@property
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def codename(self):
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if not self._codename:
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if self.online and self.protocol >= 2.0:
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self._codename = _hidpp20.get_friendly_name(self)
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if not self._codename:
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self._codename = self.name.split(' ', 1)[0] if self.name else None
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elif self.receiver:
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codename = self.receiver.device_codename(self.number)
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if codename:
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self._codename = codename
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elif self.protocol < 2.0:
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self._codename = '? (%s)' % (self.wpid or self.product_id)
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return self._codename if self._codename else '?? (%s)' % (self.wpid or self.product_id)
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@property
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def name(self):
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if not self._name:
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if self.online and self.protocol >= 2.0:
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self._name = _hidpp20.get_name(self)
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return self._name or self._codename or ('Unknown device %s' % (self.wpid or self.product_id))
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@property
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def unitId(self):
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if not self._unitId:
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if self.online and self.protocol >= 2.0:
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ids = _hidpp20.get_ids(self)
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if ids:
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self._unitId, self._modelId, self._tid_map = ids
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if _log.isEnabledFor(_INFO) and self._serial and self._serial != self._unitId:
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_log.info('%s: unitId %s does not match serial %s', self, self._unitId, self._serial)
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return self._unitId
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@property
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def modelId(self):
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if not self._modelId:
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if self.online and self.protocol >= 2.0:
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ids = _hidpp20.get_ids(self)
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if ids:
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self._unitId, self._modelId, self._tid_map = ids
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if _log.isEnabledFor(_INFO) and self._serial and self._serial != self._unitId:
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_log.info('%s: unitId %s does not match serial %s', self, self._unitId, self._serial)
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return self._modelId
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@property
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def tid_map(self):
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if not self._tid_map:
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if self.online and self.protocol >= 2.0:
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ids = _hidpp20.get_ids(self)
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if ids:
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self._unitId, self._modelId, self._tid_map = ids
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if _log.isEnabledFor(_INFO) and self._serial and self._serial != self._unitId:
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_log.info('%s: unitId %s does not match serial %s', self, self._unitId, self._serial)
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return self._tid_map
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def update_pairing_information(self):
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if self.receiver:
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wpid, kind, polling_rate = self.receiver.device_pairing_information(self.number)
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if not self.wpid:
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self.wpid = wpid
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if not self._kind:
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self._kind = kind
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if not self._polling_rate:
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self._polling_rate = polling_rate
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def update_extended_pairing_information(self):
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if self.receiver:
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serial, power_switch = self.receiver.device_extended_pairing_information(self.number)
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if not self._serial:
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self._serial = serial
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if not self._power_switch:
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self._power_switch = power_switch
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@property
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def kind(self):
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if not self._kind:
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self.update_pairing_information()
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if not self._kind and self.protocol >= 2.0:
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kind = _hidpp20.get_kind(self)
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self._kind = KIND_MAP[kind] if kind else None
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return self._kind or '?'
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@property
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def firmware(self):
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if self._firmware is None and self.online:
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if self.protocol >= 2.0:
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self._firmware = _hidpp20.get_firmware(self)
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else:
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self._firmware = _hidpp10.get_firmware(self)
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return self._firmware or ()
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@property
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def serial(self):
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if not self._serial:
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self.update_extended_pairing_information()
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return self._serial or '?'
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@property
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def power_switch_location(self):
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if not self._power_switch:
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self.update_extended_pairing_information()
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return self._power_switch
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@property
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def polling_rate(self):
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if not self._polling_rate:
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self.update_pairing_information()
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if not self._polling_rate and self.protocol >= 2.0:
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rate = _hidpp20.get_polling_rate(self)
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self._polling_rate = rate if rate else self._polling_rate
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return self._polling_rate
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@property
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def keys(self):
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if not self._keys:
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if self.online and self.protocol >= 2.0:
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self._keys = _hidpp20.get_keys(self) or ()
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return self._keys
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@property
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def gestures(self):
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if not self._gestures:
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if self.online and self.protocol >= 2.0:
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self._gestures = _hidpp20.get_gestures(self) or ()
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return self._gestures
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@property
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def registers(self):
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if not self._registers:
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if self.descriptor and self.descriptor.registers:
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self._registers = list(self.descriptor.registers)
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else:
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self._registers = []
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return self._registers
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@property
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def settings(self):
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if not self._settings:
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self._settings = []
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if self.persister and self.descriptor and self.descriptor.settings:
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for sclass in self.descriptor.settings:
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try:
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setting = sclass.build(self)
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except Exception as e: # Do nothing if the device is offline
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setting = None
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if self.online:
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raise e
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if setting is not None:
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self._settings.append(setting)
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if not self._feature_settings_checked:
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self._feature_settings_checked = _check_feature_settings(self, self._settings)
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return self._settings
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@property
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def persister(self):
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if not self._persister:
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self._persister = _configuration.persister(self)
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return self._persister
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def enable_connection_notifications(self, enable=True):
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"""Enable or disable device (dis)connection notifications on this
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receiver."""
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if not bool(self.receiver) or self.protocol >= 2.0:
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return False
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if enable:
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set_flag_bits = (
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_hidpp10.NOTIFICATION_FLAG.battery_status
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| _hidpp10.NOTIFICATION_FLAG.keyboard_illumination
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| _hidpp10.NOTIFICATION_FLAG.wireless
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| _hidpp10.NOTIFICATION_FLAG.software_present
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)
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else:
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set_flag_bits = 0
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ok = _hidpp10.set_notification_flags(self, set_flag_bits)
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if not ok:
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_log.warn('%s: failed to %s device notifications', self, 'enable' if enable else 'disable')
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flag_bits = _hidpp10.get_notification_flags(self)
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flag_names = None if flag_bits is None else tuple(_hidpp10.NOTIFICATION_FLAG.flag_names(flag_bits))
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if _log.isEnabledFor(_INFO):
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_log.info('%s: device notifications %s %s', self, 'enabled' if enable else 'disabled', flag_names)
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return flag_bits if ok else None
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def add_notification_handler(self, id: str, fn):
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"""Adds the notification handling callback `fn` to this device under name `id`.
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If a callback has already been registered under this name, it's replaced with
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the argument.
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The callback will be invoked whenever the device emits an event message, and
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the resulting notification hasn't been handled by another handler on this device
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(order is not guaranteed, so handlers should not overlap in functionality).
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The callback should have type `(PairedDevice, Notification) -> Optional[bool]`.
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It should return `None` if it hasn't handled the notification, return `True`
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if it did so successfully and return `False` if an error should be reported
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(malformed notification, etc).
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"""
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self._notification_handlers[id] = fn
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def remove_notification_handler(self, id: str):
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"""Unregisters the notification handler under name `id`."""
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if id not in self._notification_handlers and _log.isEnabledFor(_INFO):
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_log.info(f'Tried to remove nonexistent notification handler {id} from device {self}.')
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else:
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del self._notification_handlers[id]
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def handle_notification(self, n) -> Optional[bool]:
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for h in self._notification_handlers.values():
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ret = h(self, n)
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if ret is not None:
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return ret
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return None
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def request(self, request_id, *params, no_reply=False):
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if self:
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return _base.request(
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self.handle or self.receiver.handle,
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self.number,
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request_id,
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*params,
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no_reply=no_reply,
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long_message=self.bluetooth or self.protocol >= 2.0,
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protocol=self.protocol
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)
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def feature_request(self, feature, function=0x00, *params, no_reply=False):
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if self.protocol >= 2.0:
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return _hidpp20.feature_request(self, feature, function, *params, no_reply=no_reply)
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def ping(self):
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"""Checks if the device is online, returns True of False"""
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long = self.bluetooth or self._protocol is not None and self._protocol >= 2.0
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protocol = _base.ping(self.handle or self.receiver.handle, self.number, long_message=long)
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self.online = protocol is not None
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if protocol:
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self._protocol = protocol
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return self.online
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def __index__(self):
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return self.number
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__int__ = __index__
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def __eq__(self, other):
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return other is not None and self.kind == other.kind and self.wpid == other.wpid
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def __ne__(self, other):
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return other is None or self.kind != other.kind or self.wpid != other.wpid
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def __hash__(self):
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return self.wpid.__hash__()
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def __bool__(self):
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return self.wpid is not None and self.number in self.receiver if self.receiver else self.handle is not None
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__nonzero__ = __bool__
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def __str__(self):
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return '<Device(%d,%s,%s,%s)>' % (
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self.number, self.wpid or self.product_id, self.name or self.codename or '?', self.serial
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)
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__unicode__ = __repr__ = __str__
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def notify_devices(self): # no need to notify, as there are none
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pass
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@classmethod
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def open(self, device_info):
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"""Opens a Logitech Device found attached to the machine, by Linux device path.
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:returns: An open file handle for the found receiver, or ``None``.
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"""
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try:
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handle = _base.open_path(device_info.path)
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if handle:
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return Device(None, 0xFF, info=device_info)
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except OSError as e:
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_log.exception('open %s', device_info)
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if e.errno == _errno.EACCES:
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raise
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except Exception:
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_log.exception('open %s', device_info)
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def close(self):
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handle, self.handle = self.handle, None
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return (handle and _base.close(handle))
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def __del__(self):
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self.close()
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