Denis Nyzovets / Mbed 2 deprecated WIRE-BANDING_copy

Anim

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?

UserRevisionLine numberNew 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 }