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Dependencies: BSP_DISCO_F429ZI EEPROM_DISCO_F429ZI FT810 GYRO_DISCO_F429ZI KEYPAD_DISCO_F429ZI LCD_DISCO_F429ZI PinDetect SDRAM_DISCO_F429ZI TS_DISCO_F429ZI mbed
mbcrc.cpp@1:2ceb29686290, 2018-01-24 (annotated)
- Committer:
- mozillain
- Date:
- Wed Jan 24 13:10:37 2018 +0000
- Revision:
- 1:2ceb29686290
Anim
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mozillain | 1:2ceb29686290 | 1 | #include "port.h" |
mozillain | 1:2ceb29686290 | 2 | |
mozillain | 1:2ceb29686290 | 3 | static const UCHAR aucCRCHi[] = { |
mozillain | 1:2ceb29686290 | 4 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 5 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, |
mozillain | 1:2ceb29686290 | 6 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 7 | 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 8 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 9 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, |
mozillain | 1:2ceb29686290 | 10 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, |
mozillain | 1:2ceb29686290 | 11 | 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, |
mozillain | 1:2ceb29686290 | 12 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 13 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, |
mozillain | 1:2ceb29686290 | 14 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 15 | 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 16 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 17 | 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 18 | 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 19 | 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 20 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 21 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, |
mozillain | 1:2ceb29686290 | 22 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 23 | 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 24 | 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, |
mozillain | 1:2ceb29686290 | 25 | 0x00, 0xC1, 0x81, 0x40 |
mozillain | 1:2ceb29686290 | 26 | }; |
mozillain | 1:2ceb29686290 | 27 | |
mozillain | 1:2ceb29686290 | 28 | static const UCHAR aucCRCLo[] = { |
mozillain | 1:2ceb29686290 | 29 | 0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7, |
mozillain | 1:2ceb29686290 | 30 | 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E, |
mozillain | 1:2ceb29686290 | 31 | 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, |
mozillain | 1:2ceb29686290 | 32 | 0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, |
mozillain | 1:2ceb29686290 | 33 | 0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3, |
mozillain | 1:2ceb29686290 | 34 | 0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32, |
mozillain | 1:2ceb29686290 | 35 | 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D, |
mozillain | 1:2ceb29686290 | 36 | 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, |
mozillain | 1:2ceb29686290 | 37 | 0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, |
mozillain | 1:2ceb29686290 | 38 | 0x2D, 0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26, |
mozillain | 1:2ceb29686290 | 39 | 0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1, |
mozillain | 1:2ceb29686290 | 40 | 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4, |
mozillain | 1:2ceb29686290 | 41 | 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, |
mozillain | 1:2ceb29686290 | 42 | 0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, |
mozillain | 1:2ceb29686290 | 43 | 0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5, |
mozillain | 1:2ceb29686290 | 44 | 0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0, |
mozillain | 1:2ceb29686290 | 45 | 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97, |
mozillain | 1:2ceb29686290 | 46 | 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, |
mozillain | 1:2ceb29686290 | 47 | 0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, |
mozillain | 1:2ceb29686290 | 48 | 0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C, |
mozillain | 1:2ceb29686290 | 49 | 0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83, |
mozillain | 1:2ceb29686290 | 50 | 0x41, 0x81, 0x80, 0x40 |
mozillain | 1:2ceb29686290 | 51 | }; |
mozillain | 1:2ceb29686290 | 52 | |
mozillain | 1:2ceb29686290 | 53 | USHORT usMBCRC16( UCHAR * pucFrame, USHORT usLen ) |
mozillain | 1:2ceb29686290 | 54 | { |
mozillain | 1:2ceb29686290 | 55 | UCHAR ucCRCHi = 0xFF; |
mozillain | 1:2ceb29686290 | 56 | UCHAR ucCRCLo = 0xFF; |
mozillain | 1:2ceb29686290 | 57 | int iIndex; |
mozillain | 1:2ceb29686290 | 58 | |
mozillain | 1:2ceb29686290 | 59 | while( usLen-- ) |
mozillain | 1:2ceb29686290 | 60 | { |
mozillain | 1:2ceb29686290 | 61 | iIndex = ucCRCLo ^ *( pucFrame++ ); |
mozillain | 1:2ceb29686290 | 62 | ucCRCLo = ( UCHAR )( ucCRCHi ^ aucCRCHi[iIndex] ); |
mozillain | 1:2ceb29686290 | 63 | ucCRCHi = aucCRCLo[iIndex]; |
mozillain | 1:2ceb29686290 | 64 | } |
mozillain | 1:2ceb29686290 | 65 | return ( USHORT )( ucCRCHi << 8 | ucCRCLo ); |
mozillain | 1:2ceb29686290 | 66 | } |