Skip to content

Commit 6bfa155

Browse files
Merge pull request #1 from TimerOverflow/20161028
20161028
2 parents 5ae6830 + ecb13ea commit 6bfa155

File tree

2 files changed

+167
-0
lines changed

2 files changed

+167
-0
lines changed

crc16.c

Lines changed: 118 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,118 @@
1+
/*********************************************************************************/
2+
/*
3+
* Author : Jung Hyun Gu
4+
* File name : crc16.c
5+
*/
6+
/*********************************************************************************/
7+
#include "include/crc16.h"
8+
/*********************************************************************************/
9+
/** Global variable **/
10+
11+
12+
/* CRC16 Table High byte */
13+
const unsigned char __flash CRC16Hi[] =
14+
{
15+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
16+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
17+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
18+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
19+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
20+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
21+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
22+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
23+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
24+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
25+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
26+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
27+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
28+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
29+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
30+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
31+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
32+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
33+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
34+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
35+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
36+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
37+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
38+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
39+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
40+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
41+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
42+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
43+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
44+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
45+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
46+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40
47+
};
48+
49+
/* CRC16 Table Low byte */
50+
const unsigned char __flash CRC16Lo[] =
51+
{
52+
0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2,
53+
0xC6, 0x06, 0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04,
54+
0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E,
55+
0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8,
56+
0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A,
57+
0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC,
58+
0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6,
59+
0xD2, 0x12, 0x13, 0xD3, 0x11, 0xD1, 0xD0, 0x10,
60+
0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32,
61+
0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4,
62+
0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE,
63+
0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38,
64+
0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA,
65+
0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED, 0xEC, 0x2C,
66+
0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
67+
0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0,
68+
0xA0, 0x60, 0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62,
69+
0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4,
70+
0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE,
71+
0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68,
72+
0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA,
73+
0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C,
74+
0xB4, 0x74, 0x75, 0xB5, 0x77, 0xB7, 0xB6, 0x76,
75+
0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0,
76+
0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92,
77+
0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54,
78+
0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E,
79+
0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98,
80+
0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B, 0x8A, 0x4A,
81+
0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
82+
0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86,
83+
0x82, 0x42, 0x43, 0x83, 0x41, 0x81, 0x80, 0x40
84+
};
85+
/*********************************************************************************/
86+
int Crc16Check(char *BufCurPos, char *BufOffSet, char *BufEnd, int Length)
87+
{
88+
unsigned char CRCHi ;
89+
unsigned char CRCLo ;
90+
unsigned int Index ;
91+
92+
CRCHi = 0xFF ;
93+
CRCLo = 0xFF ;
94+
while(Length--)
95+
{
96+
Index = CRCHi ^ *BufCurPos++;
97+
CRCHi = CRCLo ^ CRC16Hi[Index];
98+
CRCLo = CRC16Lo[Index];
99+
100+
if(BufCurPos > BufEnd)
101+
{
102+
BufCurPos = BufOffSet;
103+
}
104+
}
105+
106+
return ((unsigned int) CRCHi << 8 | CRCLo);
107+
}
108+
/*********************************************************************************/
109+
110+
111+
112+
113+
114+
115+
116+
117+
118+

crc16.h

Lines changed: 49 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,49 @@
1+
/*********************************************************************************/
2+
/*
3+
* Author : Jung Hyun Gu
4+
* File name : crc16.h
5+
*/
6+
/*********************************************************************************/
7+
#ifndef __CRC16_H__
8+
#define __CRC16_H__
9+
/*********************************************************************************/
10+
/** REVISION HISTORY **/
11+
/*
12+
2016. 10. 28. - 초기버전.
13+
Jung Hyun Gu
14+
15+
16+
17+
*/
18+
/*********************************************************************************/
19+
/**Define**/
20+
21+
22+
/*********************************************************************************/
23+
/**Enum**/
24+
25+
26+
/*********************************************************************************/
27+
/**Struct**/
28+
29+
30+
31+
32+
/*********************************************************************************/
33+
/**Function**/
34+
35+
int Crc16Check(char *BufCurPos, char *BufOffSet, char *BufEnd, int Length);
36+
37+
/*********************************************************************************/
38+
#endif //__CRC16_H__
39+
40+
41+
42+
43+
44+
45+
46+
47+
48+
49+

0 commit comments

Comments
 (0)