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Solaar/lib/logitech_receiver/hidpp10.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.
from logging import getLogger # , DEBUG as _DEBUG
from .common import BATTERY_APPROX as _BATTERY_APPROX
from .common import FirmwareInfo as _FirmwareInfo
from .common import NamedInts as _NamedInts
from .common import bytes2int as _bytes2int
from .common import int2bytes as _int2bytes
from .common import strhex as _strhex
from .hidpp20 import BATTERY_STATUS, FIRMWARE_KIND
_log = getLogger(__name__)
del getLogger
#
# Constants - most of them as defined by the official Logitech HID++ 1.0
# documentation, some of them guessed.
#
DEVICE_KIND = _NamedInts(
unknown=0x00,
keyboard=0x01,
mouse=0x02,
numpad=0x03,
presenter=0x04,
remote=0x07,
trackball=0x08,
touchpad=0x09,
headset=0x0D, # not from Logitech documentation
remote_control=0x0E, # for compatibility with HID++ 2.0
receiver=0x0F # for compatibility with HID++ 2.0
)
POWER_SWITCH_LOCATION = _NamedInts(
base=0x01,
top_case=0x02,
edge_of_top_right_corner=0x03,
top_left_corner=0x05,
bottom_left_corner=0x06,
top_right_corner=0x07,
bottom_right_corner=0x08,
top_edge=0x09,
right_edge=0x0A,
left_edge=0x0B,
bottom_edge=0x0C
)
# Some flags are used both by devices and receivers. The Logitech documentation
# mentions that the first and last (third) byte are used for devices while the
# second is used for the receiver. In practise, the second byte is also used for
# some device-specific notifications (keyboard illumination level). Do not
# simply set all notification bits if the software does not support it. For
# example, enabling keyboard_sleep_raw makes the Sleep key a no-operation unless
# the software is updated to handle that event.
# Observations:
# - wireless and software present were seen on receivers, reserved_r1b4 as well
# - the rest work only on devices as far as we can tell right now
# In the future would be useful to have separate enums for receiver and device notification flags,
# but right now we don't know enough.
# additional flags taken from https://drive.google.com/file/d/0BxbRzx7vEV7eNDBheWY0UHM5dEU/view?usp=sharing
NOTIFICATION_FLAG = _NamedInts(
numpad_numerical_keys=0x800000,
f_lock_status=0x400000,
roller_H=0x200000,
battery_status=0x100000, # send battery charge notifications (0x07 or 0x0D)
mouse_extra_buttons=0x080000,
roller_V=0x040000,
keyboard_sleep_raw=0x020000, # system control keys such as Sleep
keyboard_multimedia_raw=0x010000, # consumer controls such as Mute and Calculator
# reserved_r1b4= 0x001000, # unknown, seen on a unifying receiver
reserved5=0x008000,
reserved4=0x004000,
reserved3=0x002000,
reserved2=0x001000,
software_present=0x000800, # .. no idea
reserved1=0x000400,
keyboard_illumination=0x000200, # illumination brightness level changes (by pressing keys)
wireless=0x000100, # notify when the device wireless goes on/off-line
mx_air_3d_gesture=0x000001,
)
ERROR = _NamedInts(
invalid_SubID__command=0x01,
invalid_address=0x02,
invalid_value=0x03,
connection_request_failed=0x04,
too_many_devices=0x05,
already_exists=0x06,
busy=0x07,
unknown_device=0x08,
resource_error=0x09,
request_unavailable=0x0A,
unsupported_parameter_value=0x0B,
wrong_pin_code=0x0C
)
PAIRING_ERRORS = _NamedInts(device_timeout=0x01, device_not_supported=0x02, too_many_devices=0x03, sequence_timeout=0x06)
BOLT_PAIRING_ERRORS = _NamedInts(device_timeout=0x01, failed=0x02)
"""Known registers.
Devices usually have a (small) sub-set of these. Some registers are only
applicable to certain device kinds (e.g. smooth_scroll only applies to mice."""
REGISTERS = _NamedInts(
# only apply to receivers
receiver_connection=0x02,
receiver_pairing=0xB2,
devices_activity=0x2B3,
receiver_info=0x2B5,
bolt_device_discovery=0xC0,
bolt_pairing=0x2C1,
bolt_uniqueId=0x02FB,
# only apply to devices
mouse_button_flags=0x01,
keyboard_hand_detection=0x01,
battery_status=0x07,
keyboard_fn_swap=0x09,
battery_charge=0x0D,
keyboard_illumination=0x17,
three_leds=0x51,
mouse_dpi=0x63,
# apply to both
notifications=0x00,
firmware=0xF1,
# notifications
passkey_request_notification=0x4D,
passkey_pressed_notification=0x4E,
device_discovery_notification=0x4F,
discovery_status_notification=0x53,
pairing_status_notification=0x54,
)
# Subregisters for receiver_info register
INFO_SUBREGISTERS = _NamedInts(
serial_number=0x01, # not found on many receivers
fw_version=0x02,
receiver_information=0x03,
pairing_information=0x20, # 0x2N, by connected device
extended_pairing_information=0x30, # 0x3N, by connected device
device_name=0x40, # 0x4N, by connected device
bolt_pairing_information=0x50, # 0x5N, by connected device
bolt_device_name=0x60, # 0x6N01, by connected device,
)
# Flags taken from https://drive.google.com/file/d/0BxbRzx7vEV7eNDBheWY0UHM5dEU/view?usp=sharing
DEVICE_FEATURES = _NamedInts(
reserved1=0x010000,
special_buttons=0x020000,
enhanced_key_usage=0x040000,
fast_fw_rev=0x080000,
reserved2=0x100000,
reserved3=0x200000,
scroll_accel=0x400000,
buttons_control_resolution=0x800000,
inhibit_lock_key_sound=0x000001,
reserved4=0x000002,
mx_air_3d_engine=0x000004,
host_control_leds=0x000008,
reserved5=0x000010,
reserved6=0x000020,
reserved7=0x000040,
reserved8=0x000080,
)
#
# functions
#
def read_register(device, register_number, *params):
assert device is not None, 'tried to read register %02X from invalid device %s' % (register_number, device)
# support long registers by adding a 2 in front of the register number
request_id = 0x8100 | (int(register_number) & 0x2FF)
return device.request(request_id, *params)
def write_register(device, register_number, *value):
assert device is not None, 'tried to write register %02X to invalid device %s' % (register_number, device)
# support long registers by adding a 2 in front of the register number
request_id = 0x8000 | (int(register_number) & 0x2FF)
return device.request(request_id, *value)
def get_battery(device):
assert device is not None
assert device.kind is not None
if not device.online:
return
"""Reads a device's battery level, if provided by the HID++ 1.0 protocol."""
if device.protocol and device.protocol >= 2.0:
# let's just assume HID++ 2.0 devices do not provide the battery info in a register
return
for r in (REGISTERS.battery_status, REGISTERS.battery_charge):
if r in device.registers:
reply = read_register(device, r)
if reply:
return parse_battery_status(r, reply)
return
# the descriptor does not tell us which register this device has, try them both
reply = read_register(device, REGISTERS.battery_charge)
if reply:
# remember this for the next time
device.registers.append(REGISTERS.battery_charge)
return parse_battery_status(REGISTERS.battery_charge, reply)
reply = read_register(device, REGISTERS.battery_status)
if reply:
# remember this for the next time
device.registers.append(REGISTERS.battery_status)
return parse_battery_status(REGISTERS.battery_status, reply)
def parse_battery_status(register, reply):
if register == REGISTERS.battery_charge:
charge = ord(reply[:1])
status_byte = ord(reply[2:3]) & 0xF0
status_text = (
BATTERY_STATUS.discharging if status_byte == 0x30 else
BATTERY_STATUS.recharging if status_byte == 0x50 else BATTERY_STATUS.full if status_byte == 0x90 else None
)
return charge, None, status_text, None
if register == REGISTERS.battery_status:
status_byte = ord(reply[:1])
charge = (
_BATTERY_APPROX.full if status_byte == 7 # full
else _BATTERY_APPROX.good if status_byte == 5 # good
else _BATTERY_APPROX.low if status_byte == 3 # low
else _BATTERY_APPROX.critical if status_byte == 1 # critical
# pure 'charging' notifications may come without a status
else _BATTERY_APPROX.empty
)
charging_byte = ord(reply[1:2])
if charging_byte == 0x00:
status_text = BATTERY_STATUS.discharging
elif charging_byte & 0x21 == 0x21:
status_text = BATTERY_STATUS.recharging
elif charging_byte & 0x22 == 0x22:
status_text = BATTERY_STATUS.full
else:
_log.warn('could not parse 0x07 battery status: %02X (level %02X)', charging_byte, status_byte)
status_text = None
if charging_byte & 0x03 and status_byte == 0:
# some 'charging' notifications may come with no battery level information
charge = None
# Return None for next charge level and voltage as these are not in HID++ 1.0 spec
return charge, None, status_text, None
def get_firmware(device):
assert device is not None
firmware = [None, None, None]
reply = read_register(device, REGISTERS.firmware, 0x01)
if not reply:
# won't be able to read any of it now...
return
fw_version = _strhex(reply[1:3])
fw_version = '%s.%s' % (fw_version[0:2], fw_version[2:4])
reply = read_register(device, REGISTERS.firmware, 0x02)
if reply:
fw_version += '.B' + _strhex(reply[1:3])
fw = _FirmwareInfo(FIRMWARE_KIND.Firmware, '', fw_version, None)
firmware[0] = fw
reply = read_register(device, REGISTERS.firmware, 0x04)
if reply:
bl_version = _strhex(reply[1:3])
bl_version = '%s.%s' % (bl_version[0:2], bl_version[2:4])
bl = _FirmwareInfo(FIRMWARE_KIND.Bootloader, '', bl_version, None)
firmware[1] = bl
reply = read_register(device, REGISTERS.firmware, 0x03)
if reply:
o_version = _strhex(reply[1:3])
o_version = '%s.%s' % (o_version[0:2], o_version[2:4])
o = _FirmwareInfo(FIRMWARE_KIND.Other, '', o_version, None)
firmware[2] = o
if any(firmware):
return tuple(f for f in firmware if f)
def set_3leds(device, battery_level=None, charging=None, warning=None):
assert device is not None
assert device.kind is not None
if not device.online:
return
if REGISTERS.three_leds not in device.registers:
return
if battery_level is not None:
if battery_level < _BATTERY_APPROX.critical:
# 1 orange, and force blink
v1, v2 = 0x22, 0x00
warning = True
elif battery_level < _BATTERY_APPROX.low:
# 1 orange
v1, v2 = 0x22, 0x00
elif battery_level < _BATTERY_APPROX.good:
# 1 green
v1, v2 = 0x20, 0x00
elif battery_level < _BATTERY_APPROX.full:
# 2 greens
v1, v2 = 0x20, 0x02
else:
# all 3 green
v1, v2 = 0x20, 0x22
if warning:
# set the blinking flag for the leds already set
v1 |= (v1 >> 1)
v2 |= (v2 >> 1)
elif charging:
# blink all green
v1, v2 = 0x30, 0x33
elif warning:
# 1 red
v1, v2 = 0x02, 0x00
else:
# turn off all leds
v1, v2 = 0x11, 0x11
write_register(device, REGISTERS.three_leds, v1, v2)
def get_notification_flags(device):
assert device is not None
# Avoid a call if the device is not online,
# or the device does not support registers.
if device.kind is not None:
# peripherals with protocol >= 2.0 don't support registers
if device.protocol and device.protocol >= 2.0:
return
flags = read_register(device, REGISTERS.notifications)
if flags is not None:
assert len(flags) == 3
return _bytes2int(flags)
def set_notification_flags(device, *flag_bits):
assert device is not None
# Avoid a call if the device is not online,
# or the device does not support registers.
if device.kind is not None:
# peripherals with protocol >= 2.0 don't support registers
if device.protocol and device.protocol >= 2.0:
return
flag_bits = sum(int(b) for b in flag_bits)
assert flag_bits & 0x00FFFFFF == flag_bits
result = write_register(device, REGISTERS.notifications, _int2bytes(flag_bits, 3))
return result is not None
def get_device_features(device):
assert device is not None
# Avoid a call if the device is not online,
# or the device does not support registers.
if device.kind is not None:
# peripherals with protocol >= 2.0 don't support registers
if device.protocol and device.protocol >= 2.0:
return
flags = read_register(device, REGISTERS.mouse_button_flags)
if flags is not None:
assert len(flags) == 3
return _bytes2int(flags)
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