SmartPass® Integrated Reader 2450 MHz (High Voltage) System Guide
Table 8-3 Example of Routine to Calculate CCITT-CRC with Lookup Table
#define updcrc (cp, crc) ( crctab[((crc >> 8) & 255)] ^ (crc <<
8) ^ cp)
static unsigned short crctab [256] = {
0x0000,
0x1021,
0x2042,
0x3063,
0x4048,
0x50a5,
0x60c6,
0x70e7,
0x8108,
0x9129,
0xa14a,
0xb16b,
0xc18c,
0xd1ad,
0xe1ce,
0xf1ef,
0x1231,
0x0210,
0x3273,
0x2252,
0x52b5,
0x4294,
0x72f7,
0x62d6,
0x9339,
0x8318,
0xb37b,
0xa35a,
0xd3bd,
0xc39c,
0xf3ff,
0xe3de,
0x2462,
0x3443,
0x0420,
0x1401,
0x64e6,
0x74c7,
0x44a4,
0x5485,
0xa56a,
0xb54b,
0x8528,
0x9509,
0xe5ee,
0xf5cf,
0xc5ac,
0xd58d,
0x3653,
0x2672,
0x1611,
0x0630,
0x76d7,
0x66f6,
0x5695,
0x46b4,
0xb75b,
0xa77a,
0x9719,
0x8738,
0xf7df,
0xe7fe,
0xd79d,
0xc7bc,
0x48c4,
0x58e5,
0x6886,
0x78a7,
0x0840,
0x1861,
0x2802,
0x3823,
0xc9cc,
0xd9ed,
0xe98e,
0xf9af,
0x8948,
0x9969,
0xa90a,
0xb92b,
0x5af5,
0x4ad4,
0x7ab7,
0x6a96,
0x1a71,
0x0a50,
0x3a33,
0x2a12,
0xdbfd,
0xcbdc,
0xfbbf,
0xeb9e,
0x9b79,
0x8b58,
0xbb3b,
0xab1a,
0x6ca6,
0x7c87,
0x4ce4,
0x5cc5,
0x2c22,
0x3c03,
0x0c60,
0x1c41,
0xedae,
0xfd8f,
0xcdec,
0xddcd,
0xad2a,
0xbd0b,
0x8d68,
0x9d49,
0x7e97,
0x6eb6,
0x5ed5,
0x4ef4,
0x3e13,
0x2e32,
0x1e51,
0x0e70,
0xff9f,
0xefbe,
0xdfdd,
0xcffc,
0xbf1b,
0xaf3a,
0x9f59,
0x8f78,
0x9188,
0x81a9,
0xb1ca,
0xa1eb,
0xd10c,
0xc12d,
0xf14e,
0xe16f,
0x1080,
0x00a1,
0x30c2,
0x20e3,
0x5004,
0x4025,
0x7046,
0x6067,
8-16
Содержание SmartPass AI1611
Страница 4: ......
Страница 17: ...A Glossary...
Страница 18: ......
Страница 22: ...SmartPass Integrated Reader 2450 MHz High Voltage System Guide A 6...
Страница 23: ...B System Specifications...
Страница 24: ......
Страница 26: ...SmartPass Integrated Reader 2450 MHz High Voltage System Guide B 4...
Страница 27: ...C Wiring Tables...
Страница 28: ......
Страница 32: ...SmartPass Integrated Reader 2450 MHz High Voltage System Guide C 6...
Страница 33: ...1 Introduction...
Страница 34: ......
Страница 40: ...SmartPass Integrated Reader 2450 MHz High Voltage System Guide 1 8...
Страница 41: ...2 Preparing the Site...
Страница 42: ......
Страница 52: ...SmartPass Integrated Reader 2450 MHz High Voltage System Guide 2 12...
Страница 53: ...3 Quick SmartPass Test...
Страница 54: ......
Страница 63: ...4 Installing Tags on Vehicles...
Страница 64: ......
Страница 71: ...5 Installing SmartPass...
Страница 72: ......
Страница 90: ...6 General Software Information...
Страница 91: ......
Страница 99: ...SmartPass Integrated Reader 2450 MHz High Voltage System Guide 6 10...
Страница 100: ...7 Modes of Operation...
Страница 101: ......
Страница 106: ...8 Communication Protocols...
Страница 107: ......
Страница 124: ...9 Commands...
Страница 125: ...SmartPass Integrated Reader 2450 MHz High Voltage System Guide 9 2...
Страница 174: ...10 Troubleshooting...
Страница 175: ......
Страница 179: ...SmartPass Integrated Reader 2450 MHz High Voltage System Guide 10 6...