-
Notifications
You must be signed in to change notification settings - Fork 0
/
calc.go
224 lines (201 loc) · 5.43 KB
/
calc.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
package std
import (
"crypto/md5"
"encoding/hex"
"fmt"
"strings"
)
func MaxInt(a, b int) int {
if a > b {
return a
} else {
return b
}
}
func MinInt(a, b int) int {
if a < b {
return a
} else {
return b
}
}
func AbsInt(a int) int {
if a < 0 {
return -a
} else {
return a
}
}
func MaxInt64(a, b int64) int64 {
if a > b {
return a
} else {
return b
}
}
func MinInt64(a, b int64) int64 {
if a < b {
return a
} else {
return b
}
}
func AbsInt64(a int64) int64 {
if a < 0 {
return -a
} else {
return a
}
}
//convert uint8 array to string
func ArrToHexStr(arr []uint8) string {
return ArrToHexStrWithSp(arr, " ")
}
func ArrToHexStrWithSp(arr []uint8, sp string) string {
if arr == nil || len(arr) == 0 {
return ""
}
builder := strings.Builder{}
for i := 0; i < len(arr); i++ {
if i == len(arr)-1 {
builder.WriteString(fmt.Sprintf("%02X", arr[i]))
} else {
builder.WriteString(fmt.Sprintf("%02X%s", arr[i], sp))
}
}
return builder.String()
}
//big ending
func Uint16ToArrBE(v uint16) []uint8 {
return []uint8{uint8(v>>8) & 0xFF, uint8(v) & 0xFF}
}
//big ending
func ArrToUint16BE(arr []uint8) uint16 {
if len(arr) != 2 {
return 0
}
return (uint16(arr[0]) << 8) | uint16(arr[1])
}
//big ending
func Int16ToArrBE(v uint16) []uint8 {
return []uint8{uint8(v>>8) & 0xFF, uint8(v) & 0xFF}
}
//big ending
func ArrToInt16BE(arr []uint8) int16 {
if len(arr) != 2 {
return 0
}
return (int16(arr[0]) << 8) | int16(arr[1])
}
//big ending
func Uint32ToArrBE(v uint32) []uint8 {
return []uint8{uint8(v>>24) & 0xFF, uint8(v>>16) & 0xFF, uint8(v>>8) & 0xFF, uint8(v) & 0xFF}
}
//big ending
func ArrToUint32BE(arr []uint8) uint32 {
if len(arr) != 4 {
return 0
}
return (uint32(arr[0]) << 24) | (uint32(arr[1]) << 16) | (uint32(arr[2]) << 8) | uint32(arr[3])
}
//big ending
func Int32ToArrBE(v int32) []uint8 {
return []uint8{uint8(v>>24) & 0xFF, uint8(v>>16) & 0xFF, uint8(v>>8) & 0xFF, uint8(v) & 0xFF}
}
//big ending
func UInt32ToArrBE(v uint32) []uint8 {
return []uint8{uint8(v>>24) & 0xFF, uint8(v>>16) & 0xFF, uint8(v>>8) & 0xFF, uint8(v) & 0xFF}
}
//big ending
func ArrayToInt32BE(arr []uint8) int32 {
if len(arr) != 4 {
return 0
}
return (int32(arr[0]) << 24) | (int32(arr[1]) << 16) | (int32(arr[2]) << 8) | int32(arr[3])
}
//big ending
func Uint64ToArrBE(v uint64) []uint8 {
return []uint8{
uint8(v>>(8*7)) & 0xFF,
uint8(v>>(8*6)) & 0xFF,
uint8(v>>(8*5)) & 0xFF,
uint8(v>>(8*4)) & 0xFF,
uint8(v>>(8*3)) & 0xFF,
uint8(v>>(8*2)) & 0xFF,
uint8(v>>(8*1)) & 0xFF,
uint8(v>>(8*0)) & 0xFF,
}
}
//big ending
func ArrToUint64BE(arr []uint8) uint64 {
if len(arr) != 8 {
return 0
}
return (uint64(arr[0]) << (8 * 7)) |
(uint64(arr[1]) << (8 * 6)) |
(uint64(arr[2]) << (8 * 5)) |
(uint64(arr[3]) << (8 * 4)) |
(uint64(arr[4]) << (8 * 3)) |
(uint64(arr[5]) << (8 * 2)) |
(uint64(arr[6]) << (8 * 1)) |
(uint64(arr[7]) << (8 * 0))
}
//crc16 表
var crc16Table = []uint16{
0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 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,
0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0,
}
//计算crc16校验值
func CalCRC16(arr []uint8) uint16 {
crc := uint16(0)
for b := range arr {
pos := (uint8(crc>>8) ^ arr[b]) & 0xFF
crc = crc16Table[pos] ^ (crc << 8)
}
return crc
}
//计算异或和
func CalcBCC(arr []uint8) uint8 {
bcc := uint8(0)
for _, b := range arr {
bcc ^= b
}
return bcc
}
func GetMd5Hex(data []byte) string {
md5Bytes := md5.Sum(data)
return hex.EncodeToString(md5Bytes[:])
}
func Md5Hex(str string) string {
return GetMd5Hex([]byte(str))
}