crc8

package

v1.0.10005 Latest Latest Go to latest Published: Aug 26, 2022 License: Apache-2.0 Imports: 3 Imported by: 0

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Repository

github.com/deatil/go-crc8

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func Checksum(data []byte, params Params) uint8
func ChecksumCDMA2000(data []byte) uint8
func ChecksumCRC8(data []byte) uint8
func ChecksumDARC(data []byte) uint8
func ChecksumDVB_S2(data []byte) uint8
func ChecksumEBU(data []byte) uint8
func ChecksumITU(data []byte) uint8
func ChecksumI_CODE(data []byte) uint8
func ChecksumMAXIM(data []byte) uint8
func ChecksumROHC(data []byte) uint8
func ChecksumWCDMA(data []byte) uint8
func ToBinString(data uint8) string
func ToHexString(data uint8) string
func ToReverseHexBinString(data uint8) string
func ToReverseHexString(data uint8) string
type CRC
- func NewCRC(params ...Params) *CRC
- func NewCRC8(params ...Params) *CRC
- func (this *CRC) Checksum(data []byte) uint8
- func (this *CRC) Complete(crc uint8) uint8
- func (this *CRC) GetParams() Params
- func (this *CRC) GetTable() [256]uint8
- func (this *CRC) Init() uint8
- func (this *CRC) MakeTable() *CRC
- func (this *CRC) Update(crc uint8, data []byte) uint8
- func (this *CRC) WithParams(params Params) *CRC
- func (this *CRC) WithTable(table [256]uint8) *CRC
type Hash8
- func NewCRC8Hash(params Params) Hash8
- func NewHash(crc *CRC) Hash8
type Params

Constants ¶

View Source

const Size = 1

大小

Variables ¶

View Source

var (
	// "CRC-8" x8 + x2 + x + 1
	CRC8 = Params{0x07, 0x00, false, false, 0x00}
	// "CRC-8/CDMA2000"
	CRC8_CDMA2000 = Params{0x9B, 0xFF, false, false, 0x00}
	// "CRC-8/DARC"
	CRC8_DARC = Params{0x39, 0x00, true, true, 0x00}
	// "CRC-8/DVB-S2"
	CRC8_DVB_S2 = Params{0xD5, 0x00, false, false, 0x00}
	// "CRC-8/EBU"
	CRC8_EBU = Params{0x1D, 0xFF, true, true, 0x00}
	// "CRC-8/I-CODE"
	CRC8_I_CODE = Params{0x1D, 0xFD, false, false, 0x00}
	// "CRC-8/ITU" 	x8 + x2 + x + 1
	CRC8_ITU = Params{0x07, 0x00, false, false, 0x55}
	// "CRC-8/MAXIM" x8 + x5 + x4 + 1
	CRC8_MAXIM = Params{0x31, 0x00, true, true, 0x00}
	// "CRC-8/ROHC" x8 + x2 + x + 1
	CRC8_ROHC = Params{0x07, 0xFF, true, true, 0x00}
	// "CRC-8/WCDMA"
	CRC8_WCDMA = Params{0x9B, 0x00, true, true, 0x00}
)

类型列表

Functions ¶

func Checksum ¶

func Checksum(data []byte, params Params) uint8

生成

func ChecksumCDMA2000 ¶ added in v1.0.10002

func ChecksumCDMA2000(data []byte) uint8

生成 CDMA2000

func ChecksumCRC8 ¶

func ChecksumCRC8(data []byte) uint8

生成 CRC8

func ChecksumDARC ¶ added in v1.0.10002

func ChecksumDARC(data []byte) uint8

生成 DARC

func ChecksumDVB_S2 ¶ added in v1.0.10002

func ChecksumDVB_S2(data []byte) uint8

生成 DVB_S2

func ChecksumEBU ¶ added in v1.0.10002

func ChecksumEBU(data []byte) uint8

生成 EBU

func ChecksumITU ¶

func ChecksumITU(data []byte) uint8

生成 ITU

func ChecksumI_CODE ¶ added in v1.0.10002

func ChecksumI_CODE(data []byte) uint8

生成 I_CODE

func ChecksumMAXIM ¶

func ChecksumMAXIM(data []byte) uint8

生成 MAXIM

func ChecksumROHC ¶

func ChecksumROHC(data []byte) uint8

生成 ROHC

func ChecksumWCDMA ¶ added in v1.0.10002

func ChecksumWCDMA(data []byte) uint8

生成 WCDMA

func ToBinString ¶

func ToBinString(data uint8) string

输出二进制字符

func ToHexString ¶

func ToHexString(data uint8) string

输出两位 16 进制字符

func ToReverseHexBinString ¶

func ToReverseHexBinString(data uint8) string

输出二进制字符，高低字节对调

func ToReverseHexString ¶

func ToReverseHexString(data uint8) string

输出两位 16 进制字符，高低字节对调

Types ¶

type CRC ¶ added in v1.0.10005

type CRC struct {
	// contains filtered or unexported fields
}

表格

func NewCRC ¶ added in v1.0.10005

func NewCRC(params ...Params) *CRC

构造函数

func NewCRC8 ¶

func NewCRC8(params ...Params) *CRC

构造函数

func (*CRC) Checksum ¶ added in v1.0.10005

func (this *CRC) Checksum(data []byte) uint8

Checksum

func (*CRC) Complete ¶ added in v1.0.10005

func (this *CRC) Complete(crc uint8) uint8

完成

func (*CRC) GetParams ¶ added in v1.0.10005

func (this *CRC) GetParams() Params

获取参数

func (*CRC) GetTable ¶ added in v1.0.10005

func (this *CRC) GetTable() [256]uint8

获取数据

func (*CRC) Init ¶ added in v1.0.10005

func (this *CRC) Init() uint8

初始值

func (*CRC) MakeTable ¶ added in v1.0.10005

func (this *CRC) MakeTable() *CRC

生成数值

func (*CRC) Update ¶ added in v1.0.10005

func (this *CRC) Update(crc uint8, data []byte) uint8

更新

func (*CRC) WithParams ¶ added in v1.0.10005

func (this *CRC) WithParams(params Params) *CRC

设置参数

func (*CRC) WithTable ¶ added in v1.0.10005

func (this *CRC) WithTable(table [256]uint8) *CRC

设置数据

type Hash8 ¶ added in v1.0.10002

type Hash8 interface {
	hash.Hash
	Sum8() uint8
}

crc8 hash

func NewCRC8Hash ¶ added in v1.0.10002

func NewCRC8Hash(params Params) Hash8

Hash

func NewHash ¶ added in v1.0.10002

func NewHash(crc *CRC) Hash8

构造函数

type Params ¶

type Params struct {
	// 生成项的简写，以16进制表示。
	// 例如：CRC-32 即是0x04C11DB7，
	// 忽略了最高位的"1"，即完整的生成项是0x104C11DB7。
	Poly uint8

	// 这是算法开始时寄存器（crc）的初始化预置值，十六进制表示。
	Init uint8

	// 待测数据的每个字节是否按位反转，True或False。
	RefIn bool

	// 在计算后之后，异或输出之前，整个数据是否按位反转，True或False。
	RefOut bool

	// 计算结果与此参数异或后得到最终的CRC值。
	XorOut uint8
}

参数 NAME：参数模型名称。 WIDTH：宽度，即CRC比特数。位数为：8

Source Files ¶

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