610 lines
15 KiB
Python
610 lines
15 KiB
Python
## Copyright (C) 2012-2013 Daniel Pavel
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## Copyright (C) 2014-2024 Solaar Contributors https://pwr-solaar.github.io/Solaar/
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; either version 2 of the License, or
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## (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License along
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## with this program; if not, write to the Free Software Foundation, Inc.,
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## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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# Some common functions and types.
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from binascii import hexlify as _hexlify
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from collections import namedtuple
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from dataclasses import dataclass
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from typing import Optional
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from typing import Union
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import yaml as _yaml
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from .i18n import _
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def is_string(d):
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return isinstance(d, str)
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#
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#
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#
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def crc16(data: bytes):
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"""
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CRC-16 (CCITT) implemented with a precomputed lookup table
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"""
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table = [
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0x0000,
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0x1021,
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0x2042,
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0x3063,
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0x4084,
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0x50A5,
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0x60C6,
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0x70E7,
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0x8108,
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0x9129,
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0xA14A,
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0xB16B,
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0xC18C,
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0xD1AD,
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0xE1CE,
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0xF1EF,
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0x1231,
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0x0210,
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0x3273,
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0x2252,
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0x52B5,
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0x4294,
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0x72F7,
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0x62D6,
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0x9339,
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0x8318,
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0xB37B,
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0xA35A,
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0xD3BD,
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0xC39C,
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0xF3FF,
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0xE3DE,
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0x2462,
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0x3443,
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0x0420,
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0x1401,
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0x64E6,
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0x74C7,
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0x44A4,
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0x5485,
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0xA56A,
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0xB54B,
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0x8528,
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0x9509,
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0xE5EE,
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0xF5CF,
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0xC5AC,
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0xD58D,
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0x3653,
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0x2672,
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0x1611,
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0x0630,
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0x76D7,
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0x66F6,
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0x5695,
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0x46B4,
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0xB75B,
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0xA77A,
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0x9719,
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0x8738,
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0xF7DF,
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0xE7FE,
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0xD79D,
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0xC7BC,
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0x48C4,
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0x58E5,
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0x6886,
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0x78A7,
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0x0840,
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0x1861,
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0x2802,
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0x3823,
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0xC9CC,
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0xD9ED,
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0xE98E,
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0xF9AF,
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0x8948,
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0x9969,
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0xA90A,
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0xB92B,
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0x5AF5,
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0x4AD4,
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0x7AB7,
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0x6A96,
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0x1A71,
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0x0A50,
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0x3A33,
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0x2A12,
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0xDBFD,
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0xCBDC,
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0xFBBF,
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0xEB9E,
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0x9B79,
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0x8B58,
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0xBB3B,
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0xAB1A,
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0x6CA6,
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0x7C87,
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0x4CE4,
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0x5CC5,
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0x2C22,
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0x3C03,
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0x0C60,
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0x1C41,
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0xEDAE,
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0xFD8F,
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0xCDEC,
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0xDDCD,
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0xAD2A,
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0xBD0B,
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0x8D68,
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0x9D49,
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0x7E97,
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0x6EB6,
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0x5ED5,
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0x4EF4,
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0x3E13,
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0x2E32,
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0x1E51,
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0x0E70,
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0xFF9F,
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0xEFBE,
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0xDFDD,
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0xCFFC,
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0xBF1B,
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0xAF3A,
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0x9F59,
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0x8F78,
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0x9188,
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0x81A9,
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0xB1CA,
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0xA1EB,
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0xD10C,
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0xC12D,
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0xF14E,
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0xE16F,
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0x1080,
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0x00A1,
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0x30C2,
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0x20E3,
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0x5004,
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0x4025,
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0x7046,
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0x6067,
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0x83B9,
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0x9398,
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0xA3FB,
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0xB3DA,
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0xC33D,
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0xD31C,
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0xE37F,
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0xF35E,
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0x02B1,
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0x1290,
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0x22F3,
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0x32D2,
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0x4235,
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0x5214,
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0x6277,
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0x7256,
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0xB5EA,
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0xA5CB,
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0x95A8,
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0x8589,
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0xF56E,
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0xE54F,
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0xD52C,
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0xC50D,
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0x34E2,
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0x24C3,
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0x14A0,
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0x0481,
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0x7466,
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0x6447,
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0x5424,
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0x4405,
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0xA7DB,
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0xB7FA,
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0x8799,
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0x97B8,
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0xE75F,
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0xF77E,
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0xC71D,
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0xD73C,
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0x26D3,
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0x36F2,
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0x0691,
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0x16B0,
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0x6657,
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0x7676,
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0x4615,
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0x5634,
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0xD94C,
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0xC96D,
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0xF90E,
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0xE92F,
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0x99C8,
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0x89E9,
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0xB98A,
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0xA9AB,
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0x5844,
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0x4865,
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0x7806,
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0x6827,
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0x18C0,
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0x08E1,
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0x3882,
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0x28A3,
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0xCB7D,
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0xDB5C,
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0xEB3F,
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0xFB1E,
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0x8BF9,
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0x9BD8,
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0xABBB,
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0xBB9A,
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0x4A75,
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0x5A54,
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0x6A37,
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0x7A16,
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0x0AF1,
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0x1AD0,
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0x2AB3,
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0x3A92,
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0xFD2E,
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0xED0F,
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0xDD6C,
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0xCD4D,
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0xBDAA,
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0xAD8B,
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0x9DE8,
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0x8DC9,
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0x7C26,
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0x6C07,
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0x5C64,
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0x4C45,
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0x3CA2,
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0x2C83,
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0x1CE0,
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0x0CC1,
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0xEF1F,
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0xFF3E,
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0xCF5D,
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0xDF7C,
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0xAF9B,
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0xBFBA,
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0x8FD9,
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0x9FF8,
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0x6E17,
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0x7E36,
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0x4E55,
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0x5E74,
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0x2E93,
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0x3EB2,
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0x0ED1,
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0x1EF0,
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]
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crc = 0xFFFF
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for byte in data:
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crc = (crc << 8) ^ table[(crc >> 8) ^ byte]
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crc &= 0xFFFF # important, crc must stay 16bits all the way through
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return crc
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class NamedInt(int):
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"""A regular Python integer with an attached name.
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Caution: comparison with strings will also match this NamedInt's name
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(case-insensitive)."""
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def __new__(cls, value, name):
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assert is_string(name)
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obj = int.__new__(cls, value)
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obj.name = str(name)
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return obj
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def bytes(self, count=2):
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return int2bytes(self, count)
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def __eq__(self, other):
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if other is None:
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return False
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if isinstance(other, NamedInt):
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return int(self) == int(other) and self.name == other.name
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if isinstance(other, int):
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return int(self) == int(other)
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if is_string(other):
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return self.name.lower() == other.lower()
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# this should catch comparisons with bytes in Py3
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if other is not None:
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raise TypeError("Unsupported type " + str(type(other)))
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def __ne__(self, other):
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return not self.__eq__(other)
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def __hash__(self):
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return int(self)
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def __str__(self):
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return self.name
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def __repr__(self):
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return "NamedInt(%d, %r)" % (int(self), self.name)
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@classmethod
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def from_yaml(cls, loader, node):
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args = loader.construct_mapping(node)
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return cls(value=args["value"], name=args["name"])
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@classmethod
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def to_yaml(cls, dumper, data):
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return dumper.represent_mapping("!NamedInt", {"value": int(data), "name": data.name}, flow_style=True)
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_yaml.SafeLoader.add_constructor("!NamedInt", NamedInt.from_yaml)
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_yaml.add_representer(NamedInt, NamedInt.to_yaml)
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class NamedInts:
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"""An ordered set of NamedInt values.
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Indexing can be made by int or string, and will return the corresponding
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NamedInt if it exists in this set, or `None`.
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Extracting slices will return all present NamedInts in the given interval
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(extended slices are not supported).
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Assigning a string to an indexed int will create a new NamedInt in this set;
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if the value already exists in the set (int or string), ValueError will be
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raised.
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"""
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__slots__ = ("__dict__", "_values", "_indexed", "_fallback", "_is_sorted")
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def __init__(self, dict=None, **kwargs):
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def _readable_name(n):
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return n.replace("__", "/").replace("_", " ")
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# print (repr(kwargs))
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elements = dict if dict else kwargs
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values = {k: NamedInt(v, _readable_name(k)) for (k, v) in elements.items()}
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self.__dict__ = values
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self._is_sorted = False
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self._values = list(values.values())
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self._sort_values()
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self._indexed = {int(v): v for v in self._values}
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# assert len(values) == len(self._indexed)
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# "(%d) %r\n=> (%d) %r" % (len(values), values, len(self._indexed), self._indexed)
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self._fallback = None
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@classmethod
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def list(cls, items, name_generator=lambda x: str(x)): # noqa: B008
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values = {name_generator(x): x for x in items}
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return NamedInts(**values)
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@classmethod
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def range(cls, from_value, to_value, name_generator=lambda x: str(x), step=1): # noqa: B008
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values = {name_generator(x): x for x in range(from_value, to_value + 1, step)}
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return NamedInts(**values)
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def flag_names(self, value):
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unknown_bits = value
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for k in self._indexed:
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assert bin(k).count("1") == 1
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if k & value == k:
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unknown_bits &= ~k
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yield str(self._indexed[k])
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if unknown_bits:
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yield f"unknown:{unknown_bits:06X}"
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def _sort_values(self):
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self._values = sorted(self._values)
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self._is_sorted = True
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def __getitem__(self, index):
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if isinstance(index, int):
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if index in self._indexed:
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return self._indexed[int(index)]
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if self._fallback:
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value = NamedInt(index, self._fallback(index))
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self._indexed[index] = value
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self._values.append(value)
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self._is_sorted = False
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self._sort_values()
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return value
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elif is_string(index):
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if index in self.__dict__:
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return self.__dict__[index]
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return next((x for x in self._values if str(x) == index), None)
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elif isinstance(index, slice):
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values = self._values if self._is_sorted else sorted(self._values)
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if index.start is None and index.stop is None:
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return values[:]
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v_start = int(values[0]) if index.start is None else int(index.start)
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v_stop = (values[-1] + 1) if index.stop is None else int(index.stop)
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if v_start > v_stop or v_start > values[-1] or v_stop <= values[0]:
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return []
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if v_start <= values[0] and v_stop > values[-1]:
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return values[:]
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start_index = 0
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stop_index = len(values)
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for i, value in enumerate(values):
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if value < v_start:
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start_index = i + 1
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elif index.stop is None:
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break
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if value >= v_stop:
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stop_index = i
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break
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return values[start_index:stop_index]
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def __setitem__(self, index, name):
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assert isinstance(index, int), type(index)
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if isinstance(name, NamedInt):
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assert int(index) == int(name), repr(index) + " " + repr(name)
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value = name
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elif is_string(name):
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value = NamedInt(index, name)
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else:
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raise TypeError("name must be a string")
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if str(value) in self.__dict__:
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raise ValueError("%s (%d) already known" % (value, int(value)))
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if int(value) in self._indexed:
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raise ValueError("%d (%s) already known" % (int(value), value))
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self._values.append(value)
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self._is_sorted = False
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self._sort_values()
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self.__dict__[str(value)] = value
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self._indexed[int(value)] = value
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def __contains__(self, value):
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if isinstance(value, NamedInt):
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return self[value] == value
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elif isinstance(value, int):
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return value in self._indexed
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elif is_string(value):
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return value in self.__dict__ or value in self._values
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def __iter__(self):
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yield from self._values
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def __len__(self):
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return len(self._values)
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def __repr__(self):
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return f"NamedInts({', '.join(repr(v) for v in self._values)})"
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def __or__(self, other):
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return NamedInts(**self.__dict__, **other.__dict__)
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class UnsortedNamedInts(NamedInts):
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def _sort_values(self):
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pass
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def __or__(self, other):
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c = UnsortedNamedInts if isinstance(other, UnsortedNamedInts) else NamedInts
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return c(**self.__dict__, **other.__dict__)
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def strhex(x):
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assert x is not None
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"""Produce a hex-string representation of a sequence of bytes."""
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return _hexlify(x).decode("ascii").upper()
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def bytes2int(x, signed=False):
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return int.from_bytes(x, signed=signed, byteorder="big")
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def int2bytes(x, count=None, signed=False):
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if count:
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return x.to_bytes(length=count, byteorder="big", signed=signed)
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else:
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return x.to_bytes(length=8, byteorder="big", signed=signed).lstrip(b"\x00")
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class KwException(Exception):
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"""An exception that remembers all arguments passed to the constructor.
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They can be later accessed by simple member access.
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"""
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def __init__(self, **kwargs):
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super().__init__(kwargs)
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def __getattr__(self, k):
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try:
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return super().__getattr__(k)
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except AttributeError:
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return self.args[0].get(k) # was self.args[0][k]
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"""Firmware information."""
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FirmwareInfo = namedtuple("FirmwareInfo", ["kind", "name", "version", "extras"])
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@dataclass
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class Battery:
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"""Information about the current state of a battery"""
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level: Optional[Union[NamedInt, int]]
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next_level: Optional[Union[NamedInt, int]]
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status: Optional[NamedInt]
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voltage: Optional[int]
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light_level: Optional[int] = None # light level for devices with solaar recharging
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def __post_init__(self):
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if self.level is None: # infer level from status if needed and possible
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if self.status == Battery.STATUS.full:
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self.level = Battery.APPROX.full
|
|
elif self.status in (Battery.STATUS.almost_full, Battery.STATUS.recharging):
|
|
self.level = Battery.APPROX.good
|
|
elif self.status == Battery.STATUS.slow_recharge:
|
|
self.level = Battery.APPROX.low
|
|
|
|
STATUS = NamedInts(
|
|
discharging=0x00,
|
|
recharging=0x01,
|
|
almost_full=0x02,
|
|
full=0x03,
|
|
slow_recharge=0x04,
|
|
invalid_battery=0x05,
|
|
thermal_error=0x06,
|
|
)
|
|
|
|
APPROX = NamedInts(empty=0, critical=5, low=20, good=50, full=90)
|
|
|
|
ATTENTION_LEVEL = 5
|
|
|
|
def ok(self):
|
|
return self.status not in (Battery.STATUS.invalid_battery, Battery.STATUS.thermal_error) and (
|
|
self.level is None or self.level > Battery.ATTENTION_LEVEL
|
|
)
|
|
|
|
def charging(self):
|
|
return self.status in (
|
|
Battery.STATUS.recharging,
|
|
Battery.STATUS.almost_full,
|
|
Battery.STATUS.full,
|
|
Battery.STATUS.slow_recharge,
|
|
)
|
|
|
|
def to_str(self):
|
|
if isinstance(self.level, NamedInt):
|
|
return _("Battery: %(level)s (%(status)s)") % {"level": _(self.level), "status": _(self.status)}
|
|
elif isinstance(self.level, int):
|
|
return _("Battery: %(percent)d%% (%(status)s)") % {"percent": self.level, "status": _(self.status)}
|
|
else:
|
|
return ""
|
|
|
|
|
|
ALERT = NamedInts(NONE=0x00, NOTIFICATION=0x01, SHOW_WINDOW=0x02, ATTENTION=0x04, ALL=0xFF)
|