uc_crc.cpp

00001 /*
00002  * Copyright (C) 2014 Pavel Kirienko <pavel.kirienko@gmail.com>
00003  */
00004 
00005 #include <uavcan/transport/crc.hpp>
00006 
00007 namespace uavcan
00008 {
00009 
00010 #if !UAVCAN_TINY
00011 
00012 // print ', '.join(map(lambda x: '%04x' % x, map(lambda x: int(x, 0), c.crc_ccitt_tab)))
00013 const uint16_t TransferCRC::Table[256] =
00014 {
00015     0x0000U, 0x1021U, 0x2042U, 0x3063U, 0x4084U, 0x50A5U, 0x60C6U, 0x70E7U,
00016     0x8108U, 0x9129U, 0xA14AU, 0xB16BU, 0xC18CU, 0xD1ADU, 0xE1CEU, 0xF1EFU,
00017     0x1231U, 0x0210U, 0x3273U, 0x2252U, 0x52B5U, 0x4294U, 0x72F7U, 0x62D6U,
00018     0x9339U, 0x8318U, 0xB37BU, 0xA35AU, 0xD3BDU, 0xC39CU, 0xF3FFU, 0xE3DEU,
00019     0x2462U, 0x3443U, 0x0420U, 0x1401U, 0x64E6U, 0x74C7U, 0x44A4U, 0x5485U,
00020     0xA56AU, 0xB54BU, 0x8528U, 0x9509U, 0xE5EEU, 0xF5CFU, 0xC5ACU, 0xD58DU,
00021     0x3653U, 0x2672U, 0x1611U, 0x0630U, 0x76D7U, 0x66F6U, 0x5695U, 0x46B4U,
00022     0xB75BU, 0xA77AU, 0x9719U, 0x8738U, 0xF7DFU, 0xE7FEU, 0xD79DU, 0xC7BCU,
00023     0x48C4U, 0x58E5U, 0x6886U, 0x78A7U, 0x0840U, 0x1861U, 0x2802U, 0x3823U,
00024     0xC9CCU, 0xD9EDU, 0xE98EU, 0xF9AFU, 0x8948U, 0x9969U, 0xA90AU, 0xB92BU,
00025     0x5AF5U, 0x4AD4U, 0x7AB7U, 0x6A96U, 0x1A71U, 0x0A50U, 0x3A33U, 0x2A12U,
00026     0xDBFDU, 0xCBDCU, 0xFBBFU, 0xEB9EU, 0x9B79U, 0x8B58U, 0xBB3BU, 0xAB1AU,
00027     0x6CA6U, 0x7C87U, 0x4CE4U, 0x5CC5U, 0x2C22U, 0x3C03U, 0x0C60U, 0x1C41U,
00028     0xEDAEU, 0xFD8FU, 0xCDECU, 0xDDCDU, 0xAD2AU, 0xBD0BU, 0x8D68U, 0x9D49U,
00029     0x7E97U, 0x6EB6U, 0x5ED5U, 0x4EF4U, 0x3E13U, 0x2E32U, 0x1E51U, 0x0E70U,
00030     0xFF9FU, 0xEFBEU, 0xDFDDU, 0xCFFCU, 0xBF1BU, 0xAF3AU, 0x9F59U, 0x8F78U,
00031     0x9188U, 0x81A9U, 0xB1CAU, 0xA1EBU, 0xD10CU, 0xC12DU, 0xF14EU, 0xE16FU,
00032     0x1080U, 0x00A1U, 0x30C2U, 0x20E3U, 0x5004U, 0x4025U, 0x7046U, 0x6067U,
00033     0x83B9U, 0x9398U, 0xA3FBU, 0xB3DAU, 0xC33DU, 0xD31CU, 0xE37FU, 0xF35EU,
00034     0x02B1U, 0x1290U, 0x22F3U, 0x32D2U, 0x4235U, 0x5214U, 0x6277U, 0x7256U,
00035     0xB5EAU, 0xA5CBU, 0x95A8U, 0x8589U, 0xF56EU, 0xE54FU, 0xD52CU, 0xC50DU,
00036     0x34E2U, 0x24C3U, 0x14A0U, 0x0481U, 0x7466U, 0x6447U, 0x5424U, 0x4405U,
00037     0xA7DBU, 0xB7FAU, 0x8799U, 0x97B8U, 0xE75FU, 0xF77EU, 0xC71DU, 0xD73CU,
00038     0x26D3U, 0x36F2U, 0x0691U, 0x16B0U, 0x6657U, 0x7676U, 0x4615U, 0x5634U,
00039     0xD94CU, 0xC96DU, 0xF90EU, 0xE92FU, 0x99C8U, 0x89E9U, 0xB98AU, 0xA9ABU,
00040     0x5844U, 0x4865U, 0x7806U, 0x6827U, 0x18C0U, 0x08E1U, 0x3882U, 0x28A3U,
00041     0xCB7DU, 0xDB5CU, 0xEB3FU, 0xFB1EU, 0x8BF9U, 0x9BD8U, 0xABBBU, 0xBB9AU,
00042     0x4A75U, 0x5A54U, 0x6A37U, 0x7A16U, 0x0AF1U, 0x1AD0U, 0x2AB3U, 0x3A92U,
00043     0xFD2EU, 0xED0FU, 0xDD6CU, 0xCD4DU, 0xBDAAU, 0xAD8BU, 0x9DE8U, 0x8DC9U,
00044     0x7C26U, 0x6C07U, 0x5C64U, 0x4C45U, 0x3CA2U, 0x2C83U, 0x1CE0U, 0x0CC1U,
00045     0xEF1FU, 0xFF3EU, 0xCF5DU, 0xDF7CU, 0xAF9BU, 0xBFBAU, 0x8FD9U, 0x9FF8U,
00046     0x6E17U, 0x7E36U, 0x4E55U, 0x5E74U, 0x2E93U, 0x3EB2U, 0x0ED1U, 0x1EF0U
00047 };
00048 
00049 #endif
00050 
00051 }