axdr

package
v0.0.0-...-07c0d0d Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: May 24, 2023 License: MIT Imports: 11 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	TagNull               dataTag = 0
	TagArray              dataTag = 1
	TagStructure          dataTag = 2
	TagBoolean            dataTag = 3
	TagBitString          dataTag = 4
	TagDoubleLong         dataTag = 5
	TagDoubleLongUnsigned dataTag = 6
	TagFloatingPoint      dataTag = 7
	TagOctetString        dataTag = 9
	TagVisibleString      dataTag = 10
	TagUTF8String         dataTag = 12
	TagBCD                dataTag = 13
	TagInteger            dataTag = 15
	TagLong               dataTag = 16
	TagUnsigned           dataTag = 17
	TagLongUnsigned       dataTag = 18
	TagCompactArray       dataTag = 19
	TagLong64             dataTag = 20
	TagLong64Unsigned     dataTag = 21
	TagEnum               dataTag = 22
	TagFloat32            dataTag = 23
	TagFloat64            dataTag = 24
	TagDateTime           dataTag = 25
	TagDate               dataTag = 26
	TagTime               dataTag = 27
	TagDontCare           dataTag = 255
)

Variables

View Source 
var ErrLengthLess = errors.New("not enough byte length provided")
View Source 
var ReversedTimeZone = false

Functions

func DecodeBCD 

func DecodeBCD(src *[]byte) (outByte []byte, outVal int8, err error)

func DecodeBitString 

func DecodeBitString(src *[]byte, length uint64) (outByte []byte, outVal string, err error)

func DecodeBoolean 

func DecodeBoolean(src *[]byte) (outByte []byte, outVal bool, err error)

func DecodeDate 

func DecodeDate(src *[]byte) (outByte []byte, outVal time.Time, err error)

Decode 5 bytes data into time.Time object year highbyte, year lowbyte, month, day of month, day of week

func DecodeDateTime 

func DecodeDateTime(src *[]byte) (outByte []byte, outVal time.Time, err error)

Decode 12 bytes data into time.Time object year highbyte, year lowbyte, month, day of month, day of week, hour, minute, second, hundredths of second, deviation highbyte, -- interpreted as long in minutes of local time of UTC deviation lowbyte, clock status

func DecodeDoubleLong 

func DecodeDoubleLong(src *[]byte) (outByte []byte, outVal int32, err error)

func DecodeDoubleLongUnsigned 

func DecodeDoubleLongUnsigned(src *[]byte) (outByte []byte, outVal uint32, err error)

func DecodeEnum 

func DecodeEnum(src *[]byte) (outByte []byte, outVal uint8, err error)

func DecodeFloat32 

func DecodeFloat32(src *[]byte) (outByte []byte, outVal float32, err error)

func DecodeFloat64 

func DecodeFloat64(src *[]byte) (outByte []byte, outVal float64, err error)

func DecodeInteger 

func DecodeInteger(src *[]byte) (outByte []byte, outVal int8, err error)

func DecodeLength 

func DecodeLength(src *[]byte) (outByte []byte, outVal uint64, err error)

func DecodeLong 

func DecodeLong(src *[]byte) (outByte []byte, outVal int16, err error)

func DecodeLong64 

func DecodeLong64(src *[]byte) (outByte []byte, outVal int64, err error)

func DecodeLong64Unsigned 

func DecodeLong64Unsigned(src *[]byte) (outByte []byte, outVal uint64, err error)

func DecodeLongUnsigned 

func DecodeLongUnsigned(src *[]byte) (outByte []byte, outVal uint16, err error)

func DecodeOctetString 

func DecodeOctetString(src *[]byte, length uint64) (outByte []byte, outVal string, err error)

func DecodeTime 

func DecodeTime(src *[]byte) (outByte []byte, outVal time.Time, err error)

Decode 4 bytes data into time.Time object hour, minute, second, hundredths

func DecodeUTF8String 

func DecodeUTF8String(src *[]byte, length uint64) (outByte []byte, outVal string, err error)

func DecodeUnsigned 

func DecodeUnsigned(src *[]byte) (outByte []byte, outVal uint8, err error)

func DecodeVisibleString 

func DecodeVisibleString(src *[]byte, length uint64) (outByte []byte, outVal string, err error)

func EncodeArray 

func EncodeArray(data []*DlmsData) ([]byte, error)

func EncodeBCD 

func EncodeBCD(data int8) ([]byte, error)

binary coded decimal

func EncodeBCDs 

func EncodeBCDs(data string) ([]byte, error)

Standard 8-4-2-1 decimal-only encoding note: this is not part of A-XDR encoder

func EncodeBitString 

func EncodeBitString(data string) ([]byte, error)

Encodes string of binary into byte. If length of bitstring is not multiplication of 8 bits, the left over will be put as trailing zeros. Sample: "111"-> E0

func EncodeBoolean 

func EncodeBoolean(data bool) ([]byte, error)

func EncodeDate 

func EncodeDate(data time.Time) ([]byte, error)

Encodes a date of time object into 5 bytes data year highbyte, year lowbyte, month, day of month, day of week

func EncodeDateTime 

func EncodeDateTime(data time.Time) ([]byte, error)

Encodes datetime of time object into 12 bytes data year highbyte, year lowbyte, month, day of month, day of week, hour, minute, second, hundredths of second, deviation highbyte, -- interpreted as long in minutes of local time of UTC deviation lowbyte, clock status -- 0x00 means ok, 0xFF means not specified

func EncodeDoubleLong 

func EncodeDoubleLong(data int32) ([]byte, error)

func EncodeDoubleLongUnsigned 

func EncodeDoubleLongUnsigned(data uint32) ([]byte, error)

func EncodeEnum 

func EncodeEnum(data uint8) ([]byte, error)

func EncodeFloat32 

func EncodeFloat32(data float32) ([]byte, error)

func EncodeFloat64 

func EncodeFloat64(data float64) ([]byte, error)

func EncodeInteger 

func EncodeInteger(data int8) ([]byte, error)

func EncodeLength 

func EncodeLength(dataLength interface{}) ([]byte, error)

Encodes a number into correct byte according to A-XDR rule high-bit of first byte (x000 0000) will determine if first byte is L-of-length or not. If it is, then the rest bits are the value of L-of-length, else is the length itself. Sample (int -> hex). 3->03, 131->81 83, 25000->82 61 A8

func EncodeLong 

func EncodeLong(data int16) ([]byte, error)

func EncodeLong64 

func EncodeLong64(data int64) ([]byte, error)

func EncodeLong64Unsigned 

func EncodeLong64Unsigned(data uint64) ([]byte, error)

func EncodeLongUnsigned 

func EncodeLongUnsigned(data uint16) ([]byte, error)

func EncodeOctetString 

func EncodeOctetString(data string) ([]byte, error)

An ordered sequence of octets (8 bit bytes) Obis / Logical Name is en/decoded using TagOctetString other than that, input will be processed as hexstring

func EncodeStructure 

func EncodeStructure(data []*DlmsData) ([]byte, error)

func EncodeTime 

func EncodeTime(data time.Time) ([]byte, error)

Encodes a time of time object into 4 bytes data hour, minute, second, hundredths

func EncodeUTF8String 

func EncodeUTF8String(data string) ([]byte, error)

An ordered sequence of characters encoded as UTF-8

func EncodeUnsigned 

func EncodeUnsigned(data uint8) ([]byte, error)

func EncodeVisibleString 

func EncodeVisibleString(data string) ([]byte, error)

An ordered sequence of ASCII characters

func UnmarshalData 

func UnmarshalData(data DlmsData, v interface{}) error

func ValidNumberType 

func ValidNumberType(k interface{}) (reflect.Kind, error)

Check if input is a valid u/int 8-64

Types

type Decoder 

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

func NewDataDecoder 

func NewDataDecoder(ori *[]byte) *Decoder

Create new decode from either supplied byte slice pointer. It will remove first byte from source

func (*Decoder) Decode 

func (dec *Decoder) Decode(ori *[]byte) (r DlmsData, err error)

Decode expect byte second after tag byte.

type DlmsData 

type DlmsData struct {
	Tag   dataTag
	Value interface{}
}

func CreateAxdrArray 

func CreateAxdrArray(data []*DlmsData) *DlmsData

func CreateAxdrBCD 

func CreateAxdrBCD(data int8) *DlmsData

func CreateAxdrBitString 

func CreateAxdrBitString(data string) *DlmsData

func CreateAxdrBoolean 

func CreateAxdrBoolean(data bool) *DlmsData

func CreateAxdrDate 

func CreateAxdrDate(data time.Time) *DlmsData

func CreateAxdrDateTime 

func CreateAxdrDateTime(data time.Time) *DlmsData

func CreateAxdrDoubleLong 

func CreateAxdrDoubleLong(data int32) *DlmsData

func CreateAxdrDoubleLongUnsigned 

func CreateAxdrDoubleLongUnsigned(data uint32) *DlmsData

func CreateAxdrEnum 

func CreateAxdrEnum(data uint8) *DlmsData

func CreateAxdrFloat32 

func CreateAxdrFloat32(data float32) *DlmsData

func CreateAxdrFloat64 

func CreateAxdrFloat64(data float64) *DlmsData

func CreateAxdrFloatingPoint 

func CreateAxdrFloatingPoint(data float32) *DlmsData

func CreateAxdrInteger 

func CreateAxdrInteger(data int8) *DlmsData

func CreateAxdrLong 

func CreateAxdrLong(data int16) *DlmsData

func CreateAxdrLong64 

func CreateAxdrLong64(data int64) *DlmsData

func CreateAxdrLong64Unsigned 

func CreateAxdrLong64Unsigned(data uint64) *DlmsData

func CreateAxdrLongUnsigned 

func CreateAxdrLongUnsigned(data uint16) *DlmsData

func CreateAxdrOctetString 

func CreateAxdrOctetString(data interface{}) *DlmsData

expect Hex string as input

func CreateAxdrStructure 

func CreateAxdrStructure(data []*DlmsData) *DlmsData

func CreateAxdrTime 

func CreateAxdrTime(data time.Time) *DlmsData

func CreateAxdrUTF8String 

func CreateAxdrUTF8String(data string) *DlmsData

expect UTF-8 strings as input

func CreateAxdrUnsigned 

func CreateAxdrUnsigned(data uint8) *DlmsData

func CreateAxdrVisibleString 

func CreateAxdrVisibleString(data string) *DlmsData

expect ASCII strings as input

func MarshalData 

func MarshalData(v interface{}) (*DlmsData, error)

func (*DlmsData) Encode 

func (d *DlmsData) Encode() (out []byte, err error)

Encodes Value of DlmsData object according to the Tag It will panic if Value is nil, data type does not match the Tag or if failed happen in encoding length/value level.

Source Files

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