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Cort Buffington 2016-10-01 09:01:00 -05:00
parent 730b6618c6
commit 0822cb5503
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#!/usr/bin/env python
#
# This work is licensed under the Creative Attribution-NonCommercial-ShareAlike
# 3.0 Unported License.To view a copy of this license, visit
# http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter to
# Creative Commons, 444 Castro Street, Suite 900, Mountain View,
# California, 94041, USA.
from __future__ import print_function
from bitarray import bitarray
# Does anybody read this stuff? There's a PEP somewhere that says I should do this.
__author__ = 'Cortney T. Buffington, N0MJS'
__copyright__ = 'Copyright (c) 2016 Cortney T. Buffington, N0MJS and the K0USY Group'
__credits__ = 'Jonathan Naylor, G4KLX who many parts of this were thankfully borrowed from'
__license__ = 'Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported'
__maintainer__ = 'Cort Buffington, N0MJS'
__email__ = 'n0mjs@me.com'
X18 = 0x00040000 # vector representation of X^18
X11 = 0x00000800 # vector representation of X^11
MASK8 = 0xfffff800 # auxiliary vector for testing
GENPOL = 0x00000c75 # generator polinomial, g(x)
ENCODE_2087 = (
0x0000, 0xB08E, 0xE093, 0x501D, 0x70A9, 0xC027, 0x903A, 0x20B4, 0x60DC, 0xD052, 0x804F, 0x30C1, 0x1075, 0xA0FB,
0xF0E6, 0x4068, 0x7036, 0xC0B8, 0x90A5, 0x202B, 0x009F, 0xB011, 0xE00C, 0x5082, 0x10EA, 0xA064, 0xF079, 0x40F7,
0x6043, 0xD0CD, 0x80D0, 0x305E, 0xD06C, 0x60E2, 0x30FF, 0x8071, 0xA0C5, 0x104B, 0x4056, 0xF0D8, 0xB0B0, 0x003E,
0x5023, 0xE0AD, 0xC019, 0x7097, 0x208A, 0x9004, 0xA05A, 0x10D4, 0x40C9, 0xF047, 0xD0F3, 0x607D, 0x3060, 0x80EE,
0xC086, 0x7008, 0x2015, 0x909B, 0xB02F, 0x00A1, 0x50BC, 0xE032, 0x90D9, 0x2057, 0x704A, 0xC0C4, 0xE070, 0x50FE,
0x00E3, 0xB06D, 0xF005, 0x408B, 0x1096, 0xA018, 0x80AC, 0x3022, 0x603F, 0xD0B1, 0xE0EF, 0x5061, 0x007C, 0xB0F2,
0x9046, 0x20C8, 0x70D5, 0xC05B, 0x8033, 0x30BD, 0x60A0, 0xD02E, 0xF09A, 0x4014, 0x1009, 0xA087, 0x40B5, 0xF03B,
0xA026, 0x10A8, 0x301C, 0x8092, 0xD08F, 0x6001, 0x2069, 0x90E7, 0xC0FA, 0x7074, 0x50C0, 0xE04E, 0xB053, 0x00DD,
0x3083, 0x800D, 0xD010, 0x609E, 0x402A, 0xF0A4, 0xA0B9, 0x1037, 0x505F, 0xE0D1, 0xB0CC, 0x0042, 0x20F6, 0x9078,
0xC065, 0x70EB, 0xA03D, 0x10B3, 0x40AE, 0xF020, 0xD094, 0x601A, 0x3007, 0x8089, 0xC0E1, 0x706F, 0x2072, 0x90FC,
0xB048, 0x00C6, 0x50DB, 0xE055, 0xD00B, 0x6085, 0x3098, 0x8016, 0xA0A2, 0x102C, 0x4031, 0xF0BF, 0xB0D7, 0x0059,
0x5044, 0xE0CA, 0xC07E, 0x70F0, 0x20ED, 0x9063, 0x7051, 0xC0DF, 0x90C2, 0x204C, 0x00F8, 0xB076, 0xE06B, 0x50E5,
0x108D, 0xA003, 0xF01E, 0x4090, 0x6024, 0xD0AA, 0x80B7, 0x3039, 0x0067, 0xB0E9, 0xE0F4, 0x507A, 0x70CE, 0xC040,
0x905D, 0x20D3, 0x60BB, 0xD035, 0x8028, 0x30A6, 0x1012, 0xA09C, 0xF081, 0x400F, 0x30E4, 0x806A, 0xD077, 0x60F9,
0x404D, 0xF0C3, 0xA0DE, 0x1050, 0x5038, 0xE0B6, 0xB0AB, 0x0025, 0x2091, 0x901F, 0xC002, 0x708C, 0x40D2, 0xF05C,
0xA041, 0x10CF, 0x307B, 0x80F5, 0xD0E8, 0x6066, 0x200E, 0x9080, 0xC09D, 0x7013, 0x50A7, 0xE029, 0xB034, 0x00BA,
0xE088, 0x5006, 0x001B, 0xB095, 0x9021, 0x20AF, 0x70B2, 0xC03C, 0x8054, 0x30DA, 0x60C7, 0xD049, 0xF0FD, 0x4073,
0x106E, 0xA0E0, 0x90BE, 0x2030, 0x702D, 0xC0A3, 0xE017, 0x5099, 0x0084, 0xB00A, 0xF062, 0x40EC, 0x10F1, 0xA07F,
0x80CB, 0x3045, 0x6058, 0xD0D6)
DECODE_1987 = (
0x00000, 0x00001, 0x00002, 0x00003, 0x00004, 0x00005, 0x00006, 0x00007, 0x00008, 0x00009, 0x0000A, 0x0000B, 0x0000C,
0x0000D, 0x0000E, 0x24020, 0x00010, 0x00011, 0x00012, 0x00013, 0x00014, 0x00015, 0x00016, 0x00017, 0x00018, 0x00019,
0x0001A, 0x0001B, 0x0001C, 0x0001D, 0x48040, 0x01480, 0x00020, 0x00021, 0x00022, 0x00023, 0x00024, 0x00025, 0x00026,
0x24008, 0x00028, 0x00029, 0x0002A, 0x24004, 0x0002C, 0x24002, 0x24001, 0x24000, 0x00030, 0x00031, 0x00032, 0x08180,
0x00034, 0x00C40, 0x00036, 0x00C42, 0x00038, 0x43000, 0x0003A, 0x43002, 0x02902, 0x24012, 0x02900, 0x24010, 0x00040,
0x00041, 0x00042, 0x00043, 0x00044, 0x00045, 0x00046, 0x00047, 0x00048, 0x00049, 0x0004A, 0x02500, 0x0004C, 0x0004D,
0x48010, 0x48011, 0x00050, 0x00051, 0x00052, 0x21200, 0x00054, 0x00C20, 0x48008, 0x48009, 0x00058, 0x00059, 0x48004,
0x48005, 0x48002, 0x48003, 0x48000, 0x48001, 0x00060, 0x00061, 0x00062, 0x00063, 0x00064, 0x00C10, 0x10300, 0x0B000,
0x00068, 0x00069, 0x01880, 0x01881, 0x40181, 0x40180, 0x24041, 0x24040, 0x00070, 0x00C04, 0x00072, 0x00C06, 0x00C01,
0x00C00, 0x00C03, 0x00C02, 0x05204, 0x00C0C, 0x48024, 0x48025, 0x05200, 0x00C08, 0x48020, 0x48021, 0x00080, 0x00081,
0x00082, 0x00083, 0x00084, 0x00085, 0x00086, 0x00087, 0x00088, 0x00089, 0x0008A, 0x50200, 0x0008C, 0x0A800, 0x01411,
0x01410, 0x00090, 0x00091, 0x00092, 0x08120, 0x00094, 0x00095, 0x04A00, 0x01408, 0x00098, 0x00099, 0x01405, 0x01404,
0x01403, 0x01402, 0x01401, 0x01400, 0x000A0, 0x000A1, 0x000A2, 0x08110, 0x000A4, 0x000A5, 0x42400, 0x42401, 0x000A8,
0x000A9, 0x01840, 0x01841, 0x40141, 0x40140, 0x24081, 0x24080, 0x000B0, 0x08102, 0x08101, 0x08100, 0x000B4, 0x08106,
0x08105, 0x08104, 0x20A01, 0x20A00, 0x08109, 0x08108, 0x01423, 0x01422, 0x01421, 0x01420, 0x000C0, 0x000C1, 0x000C2,
0x000C3, 0x000C4, 0x000C5, 0x000C6, 0x000C7, 0x000C8, 0x000C9, 0x01820, 0x01821, 0x20600, 0x40120, 0x16000, 0x16001,
0x000D0, 0x000D1, 0x42801, 0x42800, 0x03100, 0x18200, 0x03102, 0x18202, 0x000D8, 0x000D9, 0x48084, 0x01444, 0x48082,
0x01442, 0x48080, 0x01440, 0x000E0, 0x32000, 0x01808, 0x04600, 0x40109, 0x40108, 0x0180C, 0x4010A, 0x01802, 0x40104,
0x01800, 0x01801, 0x40101, 0x40100, 0x01804, 0x40102, 0x0A408, 0x08142, 0x08141, 0x08140, 0x00C81, 0x00C80, 0x00C83,
0x00C82, 0x0A400, 0x0A401, 0x01810, 0x01811, 0x40111, 0x40110, 0x01814, 0x40112, 0x00100, 0x00101, 0x00102, 0x00103,
0x00104, 0x00105, 0x00106, 0x41800, 0x00108, 0x00109, 0x0010A, 0x02440, 0x0010C, 0x0010D, 0x0010E, 0x02444, 0x00110,
0x00111, 0x00112, 0x080A0, 0x00114, 0x00115, 0x00116, 0x080A4, 0x00118, 0x00119, 0x15000, 0x15001, 0x02822, 0x02823,
0x02820, 0x02821, 0x00120, 0x00121, 0x00122, 0x08090, 0x00124, 0x00125, 0x10240, 0x10241, 0x00128, 0x00129, 0x0012A,
0x24104, 0x09400, 0x400C0, 0x02810, 0x24100, 0x00130, 0x08082, 0x08081, 0x08080, 0x31001, 0x31000, 0x02808, 0x08084,
0x02806, 0x0808A, 0x02804, 0x08088, 0x02802, 0x02803, 0x02800, 0x02801, 0x00140, 0x00141, 0x00142, 0x02408, 0x00144,
0x00145, 0x10220, 0x10221, 0x00148, 0x02402, 0x02401, 0x02400, 0x400A1, 0x400A0, 0x02405, 0x02404, 0x00150, 0x00151,
0x00152, 0x02418, 0x03080, 0x03081, 0x03082, 0x03083, 0x09801, 0x09800, 0x02411, 0x02410, 0x48102, 0x09804, 0x48100,
0x48101, 0x00160, 0x00161, 0x10204, 0x10205, 0x10202, 0x40088, 0x10200, 0x10201, 0x40085, 0x40084, 0x02421, 0x02420,
0x40081, 0x40080, 0x10208, 0x40082, 0x41402, 0x080C2, 0x41400, 0x080C0, 0x00D01, 0x00D00, 0x10210, 0x10211, 0x40095,
0x40094, 0x02844, 0x080C8, 0x40091, 0x40090, 0x02840, 0x02841, 0x00180, 0x00181, 0x00182, 0x08030, 0x00184, 0x14400,
0x22201, 0x22200, 0x00188, 0x00189, 0x0018A, 0x08038, 0x40061, 0x40060, 0x40063, 0x40062, 0x00190, 0x08022, 0x08021,
0x08020, 0x03040, 0x03041, 0x08025, 0x08024, 0x40C00, 0x40C01, 0x08029, 0x08028, 0x2C000, 0x2C001, 0x01501, 0x01500,
0x001A0, 0x08012, 0x08011, 0x08010, 0x40049, 0x40048, 0x08015, 0x08014, 0x06200, 0x40044, 0x30400, 0x08018, 0x40041,
0x40040, 0x40043, 0x40042, 0x08003, 0x08002, 0x08001, 0x08000, 0x08007, 0x08006, 0x08005, 0x08004, 0x0800B, 0x0800A,
0x08009, 0x08008, 0x40051, 0x40050, 0x02880, 0x0800C, 0x001C0, 0x001C1, 0x64000, 0x64001, 0x03010, 0x40028, 0x08C00,
0x08C01, 0x40025, 0x40024, 0x02481, 0x02480, 0x40021, 0x40020, 0x40023, 0x40022, 0x03004, 0x03005, 0x08061, 0x08060,
0x03000, 0x03001, 0x03002, 0x03003, 0x0300C, 0x40034, 0x30805, 0x30804, 0x03008, 0x40030, 0x30801, 0x30800, 0x4000D,
0x4000C, 0x08051, 0x08050, 0x40009, 0x40008, 0x10280, 0x4000A, 0x40005, 0x40004, 0x01900, 0x40006, 0x40001, 0x40000,
0x40003, 0x40002, 0x14800, 0x08042, 0x08041, 0x08040, 0x03020, 0x40018, 0x08045, 0x08044, 0x40015, 0x40014, 0x08049,
0x08048, 0x40011, 0x40010, 0x40013, 0x40012, 0x00200, 0x00201, 0x00202, 0x00203, 0x00204, 0x00205, 0x00206, 0x00207,
0x00208, 0x00209, 0x0020A, 0x50080, 0x0020C, 0x0020D, 0x0020E, 0x50084, 0x00210, 0x00211, 0x00212, 0x21040, 0x00214,
0x00215, 0x04880, 0x04881, 0x00218, 0x00219, 0x0E001, 0x0E000, 0x0021C, 0x0021D, 0x04888, 0x0E004, 0x00220, 0x00221,
0x00222, 0x00223, 0x00224, 0x00225, 0x10140, 0x10141, 0x00228, 0x00229, 0x0022A, 0x24204, 0x12401, 0x12400, 0x24201,
0x24200, 0x00230, 0x00231, 0x00232, 0x21060, 0x2A000, 0x2A001, 0x2A002, 0x2A003, 0x20881, 0x20880, 0x20883, 0x20882,
0x05040, 0x05041, 0x05042, 0x24210, 0x00240, 0x00241, 0x00242, 0x21010, 0x00244, 0x46000, 0x10120, 0x10121, 0x00248,
0x00249, 0x0024A, 0x21018, 0x20480, 0x20481, 0x20482, 0x20483, 0x00250, 0x21002, 0x21001, 0x21000, 0x18081, 0x18080,
0x21005, 0x21004, 0x12800, 0x12801, 0x21009, 0x21008, 0x05020, 0x05021, 0x48200, 0x48201, 0x00260, 0x00261, 0x10104,
0x04480, 0x10102, 0x10103, 0x10100, 0x10101, 0x62002, 0x62003, 0x62000, 0x62001, 0x05010, 0x05011, 0x10108, 0x10109,
0x0500C, 0x21022, 0x21021, 0x21020, 0x05008, 0x00E00, 0x10110, 0x10111, 0x05004, 0x05005, 0x05006, 0x21028, 0x05000,
0x05001, 0x05002, 0x05003, 0x00280, 0x00281, 0x00282, 0x50008, 0x00284, 0x00285, 0x04810, 0x22100, 0x00288, 0x50002,
0x50001, 0x50000, 0x20440, 0x20441, 0x50005, 0x50004, 0x00290, 0x00291, 0x04804, 0x04805, 0x04802, 0x18040, 0x04800,
0x04801, 0x20821, 0x20820, 0x50011, 0x50010, 0x0480A, 0x01602, 0x04808, 0x01600, 0x002A0, 0x002A1, 0x04441, 0x04440,
0x002A4, 0x002A5, 0x04830, 0x04444, 0x06100, 0x20810, 0x50021, 0x50020, 0x06104, 0x20814, 0x50025, 0x50024, 0x20809,
0x20808, 0x13000, 0x08300, 0x04822, 0x2080C, 0x04820, 0x04821, 0x20801, 0x20800, 0x20803, 0x20802, 0x20805, 0x20804,
0x04828, 0x20806, 0x002C0, 0x002C1, 0x04421, 0x04420, 0x20408, 0x18010, 0x2040A, 0x18012, 0x20404, 0x20405, 0x50041,
0x50040, 0x20400, 0x20401, 0x20402, 0x20403, 0x18005, 0x18004, 0x21081, 0x21080, 0x18001, 0x18000, 0x04840, 0x18002,
0x20414, 0x1800C, 0x21089, 0x21088, 0x20410, 0x18008, 0x20412, 0x1800A, 0x04403, 0x04402, 0x04401, 0x04400, 0x10182,
0x04406, 0x10180, 0x04404, 0x01A02, 0x0440A, 0x01A00, 0x04408, 0x20420, 0x40300, 0x20422, 0x40302, 0x04413, 0x04412,
0x04411, 0x04410, 0x18021, 0x18020, 0x10190, 0x18022, 0x20841, 0x20840, 0x01A10, 0x20842, 0x05080, 0x05081, 0x05082,
0x05083, 0x00300, 0x00301, 0x00302, 0x00303, 0x00304, 0x00305, 0x10060, 0x22080, 0x00308, 0x00309, 0x28800, 0x28801,
0x44402, 0x44403, 0x44400, 0x44401, 0x00310, 0x00311, 0x10C01, 0x10C00, 0x00314, 0x00315, 0x10070, 0x10C04, 0x00318,
0x00319, 0x28810, 0x10C08, 0x44412, 0x00000, 0x44410, 0x44411, 0x00320, 0x60400, 0x10044, 0x10045, 0x10042, 0x0C800,
0x10040, 0x10041, 0x06080, 0x06081, 0x06082, 0x06083, 0x1004A, 0x0C808, 0x10048, 0x10049, 0x58008, 0x08282, 0x08281,
0x08280, 0x10052, 0x0C810, 0x10050, 0x10051, 0x58000, 0x58001, 0x58002, 0x08288, 0x02A02, 0x02A03, 0x02A00, 0x02A01,
0x00340, 0x00341, 0x10024, 0x10025, 0x10022, 0x10023, 0x10020, 0x10021, 0x34001, 0x34000, 0x02601, 0x02600, 0x1002A,
0x34004, 0x10028, 0x10029, 0x0C400, 0x0C401, 0x21101, 0x21100, 0x60800, 0x60801, 0x10030, 0x10031, 0x0C408, 0x34010,
0x21109, 0x21108, 0x60808, 0x60809, 0x10038, 0x28420, 0x10006, 0x10007, 0x10004, 0x10005, 0x10002, 0x10003, 0x10000,
0x10001, 0x1000E, 0x40284, 0x1000C, 0x1000D, 0x1000A, 0x40280, 0x10008, 0x10009, 0x10016, 0x10017, 0x10014, 0x10015,
0x10012, 0x10013, 0x10010, 0x10011, 0x05104, 0x44802, 0x44801, 0x44800, 0x05100, 0x05101, 0x10018, 0x28400, 0x00380,
0x00381, 0x22005, 0x22004, 0x22003, 0x22002, 0x22001, 0x22000, 0x06020, 0x06021, 0x50101, 0x50100, 0x11800, 0x11801,
0x22009, 0x22008, 0x45001, 0x45000, 0x08221, 0x08220, 0x04902, 0x22012, 0x04900, 0x22010, 0x06030, 0x45008, 0x08229,
0x08228, 0x11810, 0x11811, 0x04908, 0x22018, 0x06008, 0x06009, 0x08211, 0x08210, 0x100C2, 0x22022, 0x100C0, 0x22020,
0x06000, 0x06001, 0x06002, 0x06003, 0x06004, 0x40240, 0x06006, 0x40242, 0x08203, 0x08202, 0x08201, 0x08200, 0x08207,
0x08206, 0x08205, 0x08204, 0x06010, 0x20900, 0x08209, 0x08208, 0x61002, 0x20904, 0x61000, 0x61001, 0x29020, 0x29021,
0x100A4, 0x22044, 0x100A2, 0x22042, 0x100A0, 0x22040, 0x20504, 0x40224, 0x0D005, 0x0D004, 0x20500, 0x40220, 0x0D001,
0x0D000, 0x03204, 0x18104, 0x08261, 0x08260, 0x03200, 0x18100, 0x03202, 0x18102, 0x11421, 0x11420, 0x00000, 0x11422,
0x03208, 0x18108, 0x0D011, 0x0D010, 0x29000, 0x29001, 0x10084, 0x04500, 0x10082, 0x40208, 0x10080, 0x10081, 0x06040,
0x40204, 0x06042, 0x40206, 0x40201, 0x40200, 0x10088, 0x40202, 0x29010, 0x08242, 0x08241, 0x08240, 0x10092, 0x40218,
0x10090, 0x10091, 0x11401, 0x11400, 0x11403, 0x11402, 0x40211, 0x40210, 0x10098, 0x40212, 0x00400, 0x00401, 0x00402,
0x00403, 0x00404, 0x00405, 0x00406, 0x00407, 0x00408, 0x00409, 0x0040A, 0x02140, 0x0040C, 0x0040D, 0x01091, 0x01090,
0x00410, 0x00411, 0x00412, 0x00413, 0x00414, 0x00860, 0x01089, 0x01088, 0x00418, 0x38000, 0x01085, 0x01084, 0x01083,
0x01082, 0x01081, 0x01080, 0x00420, 0x00421, 0x00422, 0x00423, 0x00424, 0x00850, 0x42080, 0x42081, 0x00428, 0x00429,
0x48801, 0x48800, 0x09100, 0x12200, 0x24401, 0x24400, 0x00430, 0x00844, 0x00432, 0x00846, 0x00841, 0x00840, 0x1C000,
0x00842, 0x00438, 0x0084C, 0x010A5, 0x010A4, 0x00849, 0x00848, 0x010A1, 0x010A0, 0x00440, 0x00441, 0x00442, 0x02108,
0x00444, 0x00830, 0x70001, 0x70000, 0x00448, 0x02102, 0x02101, 0x02100, 0x20280, 0x20281, 0x02105, 0x02104, 0x00450,
0x00824, 0x00452, 0x00826, 0x00821, 0x00820, 0x00823, 0x00822, 0x24802, 0x02112, 0x24800, 0x02110, 0x00829, 0x00828,
0x48400, 0x010C0, 0x00460, 0x00814, 0x04281, 0x04280, 0x00811, 0x00810, 0x00813, 0x00812, 0x54000, 0x54001, 0x02121,
0x02120, 0x00819, 0x00818, 0x0081B, 0x0081A, 0x00805, 0x00804, 0x41100, 0x00806, 0x00801, 0x00800, 0x00803, 0x00802,
0x0A080, 0x0080C, 0x0A082, 0x0080E, 0x00809, 0x00808, 0x0080B, 0x0080A, 0x00480, 0x00481, 0x00482, 0x00483, 0x00484,
0x14100, 0x42020, 0x01018, 0x00488, 0x00489, 0x01015, 0x01014, 0x20240, 0x01012, 0x01011, 0x01010, 0x00490, 0x00491,
0x0100D, 0x0100C, 0x0100B, 0x0100A, 0x01009, 0x01008, 0x40900, 0x01006, 0x01005, 0x01004, 0x01003, 0x01002, 0x01001,
0x01000, 0x004A0, 0x004A1, 0x42004, 0x04240, 0x42002, 0x42003, 0x42000, 0x42001, 0x30102, 0x30103, 0x30100, 0x30101,
0x4200A, 0x01032, 0x42008, 0x01030, 0x25000, 0x25001, 0x08501, 0x08500, 0x008C1, 0x008C0, 0x42010, 0x01028, 0x0A040,
0x0A041, 0x01025, 0x01024, 0x01023, 0x01022, 0x01021, 0x01020, 0x004C0, 0x49000, 0x04221, 0x04220, 0x20208, 0x20209,
0x08900, 0x08901, 0x20204, 0x20205, 0x02181, 0x02180, 0x20200, 0x20201, 0x20202, 0x01050, 0x0A028, 0x008A4, 0x0104D,
0x0104C, 0x008A1, 0x008A0, 0x01049, 0x01048, 0x0A020, 0x0A021, 0x01045, 0x01044, 0x20210, 0x01042, 0x01041, 0x01040,
0x04203, 0x04202, 0x04201, 0x04200, 0x00891, 0x00890, 0x42040, 0x04204, 0x0A010, 0x0A011, 0x01C00, 0x04208, 0x20220,
0x40500, 0x20222, 0x40502, 0x0A008, 0x00884, 0x04211, 0x04210, 0x00881, 0x00880, 0x00883, 0x00882, 0x0A000, 0x0A001,
0x0A002, 0x0A003, 0x0A004, 0x00888, 0x01061, 0x01060, 0x00500, 0x00501, 0x00502, 0x02048, 0x00504, 0x14080, 0x00506,
0x14082, 0x00508, 0x02042, 0x02041, 0x02040, 0x09020, 0x09021, 0x44200, 0x02044, 0x00510, 0x00511, 0x10A01, 0x10A00,
0x4A001, 0x4A000, 0x4A003, 0x4A002, 0x40880, 0x40881, 0x02051, 0x02050, 0x40884, 0x01182, 0x01181, 0x01180, 0x00520,
0x60200, 0x00522, 0x60202, 0x09008, 0x09009, 0x0900A, 0x0900B, 0x09004, 0x09005, 0x30080, 0x02060, 0x09000, 0x09001,
0x09002, 0x09003, 0x41042, 0x08482, 0x41040, 0x08480, 0x00941, 0x00940, 0x41044, 0x00942, 0x09014, 0x09015, 0x02C04,
0x08488, 0x09010, 0x09011, 0x02C00, 0x02C01, 0x00540, 0x0200A, 0x02009, 0x02008, 0x08882, 0x0200E, 0x08880, 0x0200C,
0x02003, 0x02002, 0x02001, 0x02000, 0x02007, 0x02006, 0x02005, 0x02004, 0x0C200, 0x0C201, 0x41020, 0x02018, 0x00921,
0x00920, 0x41024, 0x00922, 0x02013, 0x02012, 0x02011, 0x02010, 0x02017, 0x02016, 0x02015, 0x02014, 0x41012, 0x0202A,
0x41010, 0x02028, 0x26000, 0x00910, 0x10600, 0x10601, 0x02023, 0x02022, 0x02021, 0x02020, 0x09040, 0x40480, 0x02025,
0x02024, 0x41002, 0x00904, 0x41000, 0x41001, 0x00901, 0x00900, 0x41004, 0x00902, 0x4100A, 0x02032, 0x41008, 0x02030,
0x00909, 0x00908, 0x28201, 0x28200, 0x00580, 0x14004, 0x00582, 0x14006, 0x14001, 0x14000, 0x08840, 0x14002, 0x40810,
0x40811, 0x30020, 0x020C0, 0x14009, 0x14008, 0x01111, 0x01110, 0x40808, 0x40809, 0x08421, 0x08420, 0x14011, 0x14010,
0x01109, 0x01108, 0x40800, 0x40801, 0x40802, 0x01104, 0x40804, 0x01102, 0x01101, 0x01100, 0x03801, 0x03800, 0x30008,
0x08410, 0x14021, 0x14020, 0x42100, 0x42101, 0x30002, 0x30003, 0x30000, 0x30001, 0x09080, 0x40440, 0x30004, 0x30005,
0x08403, 0x08402, 0x08401, 0x08400, 0x08407, 0x08406, 0x08405, 0x08404, 0x40820, 0x40821, 0x30010, 0x08408, 0x40824,
0x01122, 0x01121, 0x01120, 0x08806, 0x0208A, 0x08804, 0x02088, 0x08802, 0x14040, 0x08800, 0x08801, 0x02083, 0x02082,
0x02081, 0x02080, 0x20300, 0x40420, 0x08808, 0x02084, 0x03404, 0x03405, 0x08814, 0x02098, 0x03400, 0x03401, 0x08810,
0x08811, 0x40840, 0x40841, 0x02091, 0x02090, 0x40844, 0x01142, 0x01141, 0x01140, 0x04303, 0x04302, 0x04301, 0x04300,
0x40409, 0x40408, 0x08820, 0x08821, 0x40405, 0x40404, 0x30040, 0x020A0, 0x40401, 0x40400, 0x40403, 0x40402, 0x41082,
0x08442, 0x41080, 0x08440, 0x00981, 0x00980, 0x41084, 0x00982, 0x0A100, 0x11200, 0x0A102, 0x11202, 0x40411, 0x40410,
0x40413, 0x40412, 0x00600, 0x00601, 0x00602, 0x00603, 0x00604, 0x00605, 0x00606, 0x00607, 0x00608, 0x05800, 0x0060A,
0x05802, 0x200C0, 0x12020, 0x44100, 0x44101, 0x00610, 0x00611, 0x10901, 0x10900, 0x51000, 0x51001, 0x51002, 0x10904,
0x00618, 0x05810, 0x01285, 0x01284, 0x51008, 0x01282, 0x01281, 0x01280, 0x00620, 0x60100, 0x040C1, 0x040C0, 0x12009,
0x12008, 0x21800, 0x21801, 0x12005, 0x12004, 0x12007, 0x12006, 0x12001, 0x12000, 0x12003, 0x12002, 0x00630, 0x00A44,
0x040D1, 0x040D0, 0x00A41, 0x00A40, 0x21810, 0x00A42, 0x12015, 0x12014, 0x00000, 0x12016, 0x12011, 0x12010, 0x12013,
0x12012, 0x00640, 0x00641, 0x040A1, 0x040A0, 0x20088, 0x20089, 0x2008A, 0x040A4, 0x20084, 0x20085, 0x19000, 0x02300,
0x20080, 0x20081, 0x20082, 0x20083, 0x0C100, 0x0C101, 0x21401, 0x21400, 0x00A21, 0x00A20, 0x00A23, 0x00A22, 0x20094,
0x20095, 0x19010, 0x21408, 0x20090, 0x20091, 0x20092, 0x28120, 0x04083, 0x04082, 0x04081, 0x04080, 0x00A11, 0x00A10,
0x10500, 0x04084, 0x200A4, 0x0408A, 0x04089, 0x04088, 0x200A0, 0x12040, 0x200A2, 0x12042, 0x00A05, 0x00A04, 0x04091,
0x04090, 0x00A01, 0x00A00, 0x00A03, 0x00A02, 0x05404, 0x00A0C, 0x28105, 0x28104, 0x05400, 0x00A08, 0x28101, 0x28100,
0x00680, 0x00681, 0x04061, 0x04060, 0x20048, 0x20049, 0x2004A, 0x04064, 0x20044, 0x20045, 0x50401, 0x50400, 0x20040,
0x20041, 0x20042, 0x01210, 0x68002, 0x68003, 0x68000, 0x68001, 0x04C02, 0x0120A, 0x04C00, 0x01208, 0x20054, 0x01206,
0x01205, 0x01204, 0x20050, 0x01202, 0x01201, 0x01200, 0x18800, 0x04042, 0x04041, 0x04040, 0x42202, 0x04046, 0x42200,
0x04044, 0x20064, 0x0404A, 0x04049, 0x04048, 0x20060, 0x12080, 0x20062, 0x12082, 0x18810, 0x04052, 0x04051, 0x04050,
0x4C009, 0x4C008, 0x42210, 0x04054, 0x20C01, 0x20C00, 0x20C03, 0x20C02, 0x4C001, 0x4C000, 0x01221, 0x01220, 0x2000C,
0x04022, 0x04021, 0x04020, 0x20008, 0x20009, 0x2000A, 0x04024, 0x20004, 0x20005, 0x20006, 0x04028, 0x20000, 0x20001,
0x20002, 0x20003, 0x2001C, 0x04032, 0x04031, 0x04030, 0x20018, 0x18400, 0x2001A, 0x18402, 0x20014, 0x20015, 0x20016,
0x01244, 0x20010, 0x20011, 0x20012, 0x01240, 0x04003, 0x04002, 0x04001, 0x04000, 0x20028, 0x04006, 0x04005, 0x04004,
0x20024, 0x0400A, 0x04009, 0x04008, 0x20020, 0x20021, 0x20022, 0x0400C, 0x04013, 0x04012, 0x04011, 0x04010, 0x00A81,
0x00A80, 0x04015, 0x04014, 0x0A200, 0x11100, 0x04019, 0x04018, 0x20030, 0x20031, 0x50800, 0x50801, 0x00700, 0x60020,
0x10811, 0x10810, 0x4400A, 0x60024, 0x44008, 0x44009, 0x44006, 0x02242, 0x44004, 0x02240, 0x44002, 0x44003, 0x44000,
0x44001, 0x0C040, 0x10802, 0x10801, 0x10800, 0x0C044, 0x10806, 0x10805, 0x10804, 0x23000, 0x23001, 0x10809, 0x10808,
0x44012, 0x44013, 0x44010, 0x44011, 0x60001, 0x60000, 0x60003, 0x60002, 0x60005, 0x60004, 0x10440, 0x10441, 0x60009,
0x60008, 0x44024, 0x6000A, 0x09200, 0x12100, 0x44020, 0x44021, 0x60011, 0x60010, 0x10821, 0x10820, 0x07003, 0x07002,
0x07001, 0x07000, 0x23020, 0x60018, 0x28045, 0x28044, 0x09210, 0x28042, 0x28041, 0x28040, 0x0C010, 0x0C011, 0x02209,
0x02208, 0x10422, 0x10423, 0x10420, 0x10421, 0x02203, 0x02202, 0x02201, 0x02200, 0x20180, 0x20181, 0x44040, 0x02204,
0x0C000, 0x0C001, 0x0C002, 0x10840, 0x0C004, 0x0C005, 0x0C006, 0x10844, 0x0C008, 0x0C009, 0x02211, 0x02210, 0x0C00C,
0x28022, 0x28021, 0x28020, 0x60041, 0x60040, 0x10404, 0x04180, 0x10402, 0x10403, 0x10400, 0x10401, 0x02223, 0x02222,
0x02221, 0x02220, 0x1040A, 0x28012, 0x10408, 0x28010, 0x0C020, 0x0C021, 0x41200, 0x41201, 0x00B01, 0x00B00, 0x10410,
0x28008, 0x11081, 0x11080, 0x28005, 0x28004, 0x28003, 0x28002, 0x28001, 0x28000, 0x52040, 0x14204, 0x22405, 0x22404,
0x14201, 0x14200, 0x22401, 0x22400, 0x20144, 0x20145, 0x44084, 0x022C0, 0x20140, 0x20141, 0x44080, 0x44081, 0x40A08,
0x10882, 0x10881, 0x10880, 0x14211, 0x14210, 0x1A008, 0x10884, 0x40A00, 0x40A01, 0x40A02, 0x01304, 0x1A002, 0x01302,
0x1A000, 0x01300, 0x60081, 0x60080, 0x04141, 0x04140, 0x60085, 0x60084, 0x104C0, 0x04144, 0x06400, 0x06401, 0x30200,
0x30201, 0x06404, 0x40640, 0x30204, 0x30205, 0x08603, 0x08602, 0x08601, 0x08600, 0x00000, 0x08606, 0x08605, 0x08604,
0x11041, 0x11040, 0x30210, 0x11042, 0x11045, 0x11044, 0x1A020, 0x01320, 0x52000, 0x52001, 0x04121, 0x04120, 0x20108,
0x20109, 0x08A00, 0x08A01, 0x20104, 0x20105, 0x02281, 0x02280, 0x20100, 0x20101, 0x20102, 0x20103, 0x0C080, 0x0C081,
0x0C082, 0x04130, 0x0C084, 0x06808, 0x08A10, 0x08A11, 0x11021, 0x11020, 0x11023, 0x11022, 0x20110, 0x06800, 0x20112,
0x06802, 0x04103, 0x04102, 0x04101, 0x04100, 0x10482, 0x04106, 0x10480, 0x04104, 0x11011, 0x11010, 0x04109, 0x04108,
0x20120, 0x40600, 0x20122, 0x40602, 0x11009, 0x11008, 0x22800, 0x04110, 0x1100D, 0x1100C, 0x22804, 0x04114, 0x11001,
0x11000, 0x11003, 0x11002, 0x11005, 0x11004, 0x28081, 0x28080)
def get_synd_1987(_pattern):
aux = X18
if _pattern >= X11:
while _pattern & MASK8:
while not (aux & _pattern):
aux = aux >> 1
_pattern ^= (aux / X11) * GENPOL
return _pattern
def decode_2087(_data):
code = (data[0] << 11) + (data[1] << 3) + (data[2] >> 5)
syndrome = get_synd_1987(code)
error_pattern = DECODING_TABLE_1987[syndrome]
if error_pattern != 0x00:
code ^= error_pattern
return code >> 11
def encode_2087(_data):
value = data[0]
cksum = ENCODING_TABLE_2087[value]
data[1] = cksum & 0xFF
data[2] = cksum >> 8
return _data
#------------------------------------------------------------------------------
# Used to execute the module directly to run built-in tests
#------------------------------------------------------------------------------
if __name__ == '__main__':
from binascii import b2a_hex as h
from time import time

94
qr.py Executable file
View File

@ -0,0 +1,94 @@
#!/usr/bin/env python
#
# This work is licensed under the Creative Attribution-NonCommercial-ShareAlike
# 3.0 Unported License.To view a copy of this license, visit
# http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter to
# Creative Commons, 444 Castro Street, Suite 900, Mountain View,
# California, 94041, USA.
from __future__ import print_function
from bitarray import bitarray
# Does anybody read this stuff? There's a PEP somewhere that says I should do this.
__author__ = 'Cortney T. Buffington, N0MJS'
__copyright__ = 'Copyright (c) 2016 Cortney T. Buffington, N0MJS and the K0USY Group'
__credits__ = 'Jonathan Naylor, G4KLX who many parts of this were thankfully borrowed from'
__license__ = 'Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported'
__maintainer__ = 'Cort Buffington, N0MJS'
__email__ = 'n0mjs@me.com'
ENCODE_1676 = (
0x0000, 0x0273, 0x04E5, 0x0696, 0x09C9, 0x0BBA, 0x0D2C, 0x0F5F, 0x11E2, 0x1391, 0x1507, 0x1774,
0x182B, 0x1A58, 0x1CCE, 0x1EBD, 0x21B7, 0x23C4, 0x2552, 0x2721, 0x287E, 0x2A0D, 0x2C9B, 0x2EE8,
0x3055, 0x3226, 0x34B0, 0x36C3, 0x399C, 0x3BEF, 0x3D79, 0x3F0A, 0x411E, 0x436D, 0x45FB, 0x4788,
0x48D7, 0x4AA4, 0x4C32, 0x4E41, 0x50FC, 0x528F, 0x5419, 0x566A, 0x5935, 0x5B46, 0x5DD0, 0x5FA3,
0x60A9, 0x62DA, 0x644C, 0x663F, 0x6960, 0x6B13, 0x6D85, 0x6FF6, 0x714B, 0x7338, 0x75AE, 0x77DD,
0x7882, 0x7AF1, 0x7C67, 0x7E14, 0x804F, 0x823C, 0x84AA, 0x86D9, 0x8986, 0x8BF5, 0x8D63, 0x8F10,
0x91AD, 0x93DE, 0x9548, 0x973B, 0x9864, 0x9A17, 0x9C81, 0x9EF2, 0xA1F8, 0xA38B, 0xA51D, 0xA76E,
0xA831, 0xAA42, 0xACD4, 0xAEA7, 0xB01A, 0xB269, 0xB4FF, 0xB68C, 0xB9D3, 0xBBA0, 0xBD36, 0xBF45,
0xC151, 0xC322, 0xC5B4, 0xC7C7, 0xC898, 0xCAEB, 0xCC7D, 0xCE0E, 0xD0B3, 0xD2C0, 0xD456, 0xD625,
0xD97A, 0xDB09, 0xDD9F, 0xDFEC, 0xE0E6, 0xE295, 0xE403, 0xE670, 0xE92F, 0xEB5C, 0xEDCA, 0xEFB9,
0xF104, 0xF377, 0xF5E1, 0xF792, 0xF8CD, 0xFABE, 0xFC28, 0xFE5B)
DECODE_1576 = (
0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x4020, 0x0008, 0x0009, 0x000A, 0x000B,
0x000C, 0x000D, 0x2081, 0x2080, 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0C00, 0x0016, 0x0C02,
0x0018, 0x0120, 0x001A, 0x0122, 0x4102, 0x0124, 0x4100, 0x4101, 0x0020, 0x0021, 0x0022, 0x4004,
0x0024, 0x4002, 0x4001, 0x4000, 0x0028, 0x0110, 0x1800, 0x1801, 0x002C, 0x400A, 0x4009, 0x4008,
0x0030, 0x0108, 0x0240, 0x0241, 0x0034, 0x4012, 0x4011, 0x4010, 0x0101, 0x0100, 0x0103, 0x0102,
0x0105, 0x0104, 0x1401, 0x1400, 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x4060,
0x0048, 0x0049, 0x0301, 0x0300, 0x004C, 0x1600, 0x0305, 0x0304, 0x0050, 0x0051, 0x0220, 0x0221,
0x3000, 0x4200, 0x3002, 0x4202, 0x0058, 0x1082, 0x1081, 0x1080, 0x3008, 0x4208, 0x2820, 0x1084,
0x0060, 0x0061, 0x0210, 0x0211, 0x0480, 0x0481, 0x4041, 0x4040, 0x0068, 0x2402, 0x2401, 0x2400,
0x0488, 0x3100, 0x2810, 0x2404, 0x0202, 0x0880, 0x0200, 0x0201, 0x0206, 0x0884, 0x0204, 0x0205,
0x0141, 0x0140, 0x0208, 0x0209, 0x2802, 0x0144, 0x2800, 0x2801, 0x0080, 0x0081, 0x0082, 0x0A00,
0x0084, 0x0085, 0x2009, 0x2008, 0x0088, 0x0089, 0x2005, 0x2004, 0x2003, 0x2002, 0x2001, 0x2000,
0x0090, 0x0091, 0x0092, 0x1048, 0x0602, 0x0C80, 0x0600, 0x0601, 0x0098, 0x1042, 0x1041, 0x1040,
0x2013, 0x2012, 0x2011, 0x2010, 0x00A0, 0x00A1, 0x00A2, 0x4084, 0x0440, 0x0441, 0x4081, 0x4080,
0x6000, 0x1200, 0x6002, 0x1202, 0x6004, 0x2022, 0x2021, 0x2020, 0x0841, 0x0840, 0x2104, 0x0842,
0x2102, 0x0844, 0x2100, 0x2101, 0x0181, 0x0180, 0x0B00, 0x0182, 0x5040, 0x0184, 0x2108, 0x2030,
0x00C0, 0x00C1, 0x4401, 0x4400, 0x0420, 0x0421, 0x0422, 0x4404, 0x0900, 0x0901, 0x1011, 0x1010,
0x0904, 0x2042, 0x2041, 0x2040, 0x0821, 0x0820, 0x1009, 0x1008, 0x4802, 0x0824, 0x4800, 0x4801,
0x1003, 0x1002, 0x1001, 0x1000, 0x0501, 0x0500, 0x1005, 0x1004, 0x0404, 0x0810, 0x1100, 0x1101,
0x0400, 0x0401, 0x0402, 0x0403, 0x040C, 0x0818, 0x1108, 0x1030, 0x0408, 0x0409, 0x040A, 0x2060,
0x0801, 0x0800, 0x0280, 0x0802, 0x0410, 0x0804, 0x0412, 0x0806, 0x0809, 0x0808, 0x1021, 0x1020,
0x5000, 0x2200, 0x5002, 0x2202)
X14 = 0x00004000 # vector representation of X^14
X8 = 0x00000100 # vector representation of X^8
MASK7 = 0xffffff00 # auxiliary vector for testing
GENPOL = 0x00000139 # generator polinomial, g(x)
def get_synd_1576(_pattern):
aux = X14;
if _pattern >= X8:
while _pattern & MASK7:
while not (aux & _pattern):
aux = aux >> 1
_pattern ^= (aux / X8) * GENPOL
return _pattern
def encode(_data):
value = (_data[0] >> 1) & 0x7F
cksum = ENCODE_1676[value]
data[0] = cksum >> 8
data[1] = cksum & 0xFF
return _data
def decode(_data):
code = (_data[0] << 7) + (_data[1] >> 1)
syndrome = get_synd_1576(code)
error_pattern = DECODING_TABLE_1576[syndrome]
code ^= error_pattern
return code >> 7
#------------------------------------------------------------------------------
# Used to execute the module directly to run built-in tests
#------------------------------------------------------------------------------
if __name__ == '__main__':
from binascii import b2a_hex as h
from time import time