helper

package

v0.0.2 Latest Latest Go to latest Published: Jun 7, 2022 License: MIT Imports: 15 Imported by: 0

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Repository

github.com/shirley808/jtt808

Documentation ¶

Index ¶

func BHex2Num(str string, n int) int
func BcdToString(data []byte, ignorePadding ...bool) string
func Bytes2Str(b []byte) string
func BytesSplit(data []byte, limit int) [][]byte
func BytesToString(data []byte) string
func DecryptOAEP(hash hash.Hash, priv *rsa.PrivateKey, ciphertext []byte, label []byte) ([]byte, error)
func EncryptOAEP(hash hash.Hash, pub *rsa.PublicKey, msg []byte, label []byte) ([]byte, error)
func FromBCDTime(bcd []byte) (time.Time, error)
func GetBitByte(value byte, offset int) bool
func GetBitUint16(value uint16, offset int) bool
func GetBitUint32(value uint32, offset int) bool
func GetGeoPoint(lat uint32, south bool, lng uint32, west bool) (decimal.Decimal, decimal.Decimal)
func NumToBHex(num, n int) string
func SetBitByte(value *byte, offset int, set bool)
func SetBitUint16(value *uint16, offset int, set bool)
func SetBitUint32(value *uint32, offset int, set bool)
func Str2Bytes(s string) []byte
func StringToBCD(s string, size ...int) []byte
func ToBCDTime(t time.Time) []byte
type Reader
- func NewReader(data []byte) Reader
- func (reader *Reader) Len() int
- func (reader *Reader) Read(size ...int) ([]byte, error)
- func (reader *Reader) ReadBcdTime() (time.Time, error)
- func (reader *Reader) ReadByte() (byte, error)
- func (reader *Reader) ReadString(size ...int) (string, error)
- func (reader *Reader) ReadUint16() (uint16, error)
- func (reader *Reader) ReadUint32() (uint32, error)
type Writer
- func NewWriter() Writer
- func (writer *Writer) Bytes() []byte
- func (writer *Writer) WritString(str string, size ...int) error
- func (writer *Writer) Write(p []byte, size ...int) *Writer
- func (writer *Writer) WriteBcdTime(t time.Time) *Writer
- func (writer *Writer) WriteByte(b byte) *Writer
- func (writer *Writer) WriteUint16(n uint16) *Writer
- func (writer *Writer) WriteUint32(n uint32) *Writer

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func BHex2Num ¶

func BHex2Num(str string, n int) int

36进制数转换 n 表示进制， 16 or 36

func BcdToString ¶

func BcdToString(data []byte, ignorePadding ...bool) string

BCD转字符串

func Bytes2Str ¶

func Bytes2Str(b []byte) string

func BytesSplit ¶

func BytesSplit(data []byte, limit int) [][]byte

bytes切割

func BytesToString ¶

func BytesToString(data []byte) string

bytes转字符串

func DecryptOAEP ¶

func DecryptOAEP(hash hash.Hash, priv *rsa.PrivateKey, ciphertext []byte, label []byte) ([]byte, error)

使用RSA-OAEP解密

func EncryptOAEP ¶

func EncryptOAEP(hash hash.Hash, pub *rsa.PublicKey, msg []byte, label []byte) ([]byte, error)

使用RSA-OAEP加密

func FromBCDTime ¶

func FromBCDTime(bcd []byte) (time.Time, error)

转为time.Time

func GetBitByte ¶

func GetBitByte(value byte, offset int) bool

func GetBitUint16 ¶

func GetBitUint16(value uint16, offset int) bool

func GetBitUint32 ¶

func GetBitUint32(value uint32, offset int) bool

func GetGeoPoint ¶

func GetGeoPoint(lat uint32, south bool, lng uint32, west bool) (decimal.Decimal, decimal.Decimal)

获取经纬度

func NumToBHex ¶

func NumToBHex(num, n int) string

func SetBitByte ¶

func SetBitByte(value *byte, offset int, set bool)

func SetBitUint16 ¶

func SetBitUint16(value *uint16, offset int, set bool)

func SetBitUint32 ¶

func SetBitUint32(value *uint32, offset int, set bool)

func Str2Bytes ¶

func Str2Bytes(s string) []byte

func StringToBCD ¶

func StringToBCD(s string, size ...int) []byte

字符串转BCD

func ToBCDTime ¶

func ToBCDTime(t time.Time) []byte

转为BCD时间

Types ¶

type Reader ¶

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

func NewReader ¶

func NewReader(data []byte) Reader

func (*Reader) Len ¶

func (reader *Reader) Len() int

func (*Reader) Read ¶

func (reader *Reader) Read(size ...int) ([]byte, error)

func (*Reader) ReadBcdTime ¶

func (reader *Reader) ReadBcdTime() (time.Time, error)

func (*Reader) ReadByte ¶

func (reader *Reader) ReadByte() (byte, error)

func (*Reader) ReadString ¶

func (reader *Reader) ReadString(size ...int) (string, error)

func (*Reader) ReadUint16 ¶

func (reader *Reader) ReadUint16() (uint16, error)

func (*Reader) ReadUint32 ¶

func (reader *Reader) ReadUint32() (uint32, error)

type Writer ¶

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

func NewWriter ¶

func NewWriter() Writer

func (*Writer) Bytes ¶

func (writer *Writer) Bytes() []byte

func (*Writer) WritString ¶

func (writer *Writer) WritString(str string, size ...int) error

func (*Writer) Write ¶

func (writer *Writer) Write(p []byte, size ...int) *Writer

func (*Writer) WriteBcdTime ¶

func (writer *Writer) WriteBcdTime(t time.Time) *Writer

func (*Writer) WriteByte ¶

func (writer *Writer) WriteByte(b byte) *Writer

func (*Writer) WriteUint16 ¶

func (writer *Writer) WriteUint16(n uint16) *Writer

func (*Writer) WriteUint32 ¶

func (writer *Writer) WriteUint32(n uint32) *Writer

Source Files ¶

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