mirror of
https://github.com/jwetzell/artnet-go.git
synced 2026-07-26 10:28:41 +00:00
Joel Wetzell
147 lines
4.5 KiB
Go
147 lines
4.5 KiB
Go
package artnet
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import (
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"encoding/binary"
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"errors"
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"slices"
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)
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type AddressCommand uint8
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const (
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AcNone AddressCommand = 0x00
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AcCancelMerge AddressCommand = 0x01
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AcLedNormal AddressCommand = 0x02
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AcLedMute AddressCommand = 0x03
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AcLedLocate AddressCommand = 0x04
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AcResetRxFlags AddressCommand = 0x05
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AcAnalysisOn AddressCommand = 0x06
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AcAnalysisOff AddressCommand = 0x07
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AcFailHold AddressCommand = 0x08
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AcFailZero AddressCommand = 0x09
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AcFailFull AddressCommand = 0x0A
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AcFailScene AddressCommand = 0x0B
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AcFailRecord AddressCommand = 0x0C
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AcMergeLtp0 AddressCommand = 0x10
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AcMergeLtp1 AddressCommand = 0x11
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AcMergeLtp2 AddressCommand = 0x12
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AcMergeLtp3 AddressCommand = 0x13
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AcDirectionTx0 AddressCommand = 0x20
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AcDirectionTx1 AddressCommand = 0x21
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AcDirectionTx2 AddressCommand = 0x22
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AcDirectionTx3 AddressCommand = 0x23
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AcDirectionRx0 AddressCommand = 0x30
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AcDirectionRx1 AddressCommand = 0x31
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AcDirectionRx2 AddressCommand = 0x32
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AcDirectionRx3 AddressCommand = 0x33
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AcMergeHtp0 AddressCommand = 0x50
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AcMergeHtp1 AddressCommand = 0x51
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AcMergeHtp2 AddressCommand = 0x52
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AcMergeHtp3 AddressCommand = 0x53
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AcArtNetSel0 AddressCommand = 0x60
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AcArtNetSel1 AddressCommand = 0x61
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AcArtNetSel2 AddressCommand = 0x62
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AcArtNetSel3 AddressCommand = 0x63
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AcAcnSel0 AddressCommand = 0x70
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AcAcnSel1 AddressCommand = 0x71
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AcAcnSel2 AddressCommand = 0x72
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AcAcnSel3 AddressCommand = 0x73
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AcClearOp0 AddressCommand = 0x90
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AcClearOp1 AddressCommand = 0x91
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AcClearOp2 AddressCommand = 0x92
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AcClearOp3 AddressCommand = 0x93
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AcStyleDelta0 AddressCommand = 0xa0
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AcStyleDelta1 AddressCommand = 0xa1
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AcStyleDelta2 AddressCommand = 0xa2
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AcStyleDelta3 AddressCommand = 0xa3
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AcStyleConst0 AddressCommand = 0xb0
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AcStyleConst1 AddressCommand = 0xb1
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AcStyleConst2 AddressCommand = 0xb2
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AcStyleConst3 AddressCommand = 0xb3
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AcRdmEnable0 AddressCommand = 0xc0
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AcRdmEnable1 AddressCommand = 0xc1
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AcRdmEnable2 AddressCommand = 0xc2
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AcRdmEnable3 AddressCommand = 0xc3
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AcRdmDisable0 AddressCommand = 0xd0
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AcRdmDisable1 AddressCommand = 0xd1
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AcRdmDisable2 AddressCommand = 0xd2
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AcRdmDisable3 AddressCommand = 0xd3
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AcBqp0 AddressCommand = 0xe0
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AcBqp1 AddressCommand = 0xe1
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AcBqp2 AddressCommand = 0xe2
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AcBqp3 AddressCommand = 0xe3
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AcBqp4 AddressCommand = 0xe4
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AcBqp5 AddressCommand = 0xe5
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AcBqp6 AddressCommand = 0xe6
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AcBqp7 AddressCommand = 0xe7
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AcBqp8 AddressCommand = 0xe8
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AcBqp9 AddressCommand = 0xe9
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AcBqp10 AddressCommand = 0xea
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AcBqp11 AddressCommand = 0xeb
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AcBqp12 AddressCommand = 0xec
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AcBqp13 AddressCommand = 0xed
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AcBqp14 AddressCommand = 0xee
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AcBqp15 AddressCommand = 0xef
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)
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type ArtAddress struct {
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NetSwitch uint8
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BindIndex uint8
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PortName [18]uint8
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LongName [64]uint8
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SwIn [4]uint8
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SwOut [4]uint8
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SubSwitch uint8
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AcnPriority uint8
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Command AddressCommand
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}
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func (aa *ArtAddress) GetOpCode() uint16 {
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return OpAddress
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}
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func (aa *ArtAddress) UnmarshalBinary(data []byte) error {
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if len(data) < 107 {
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return errors.New("ArtAddress packet must be at least 107 bytes long")
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}
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if !slices.Equal(ArtNetID[:], data[0:8]) {
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return errors.New("ID does not match Art-Net ID")
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}
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opCode := binary.LittleEndian.Uint16(data[8:10])
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if opCode != OpAddress {
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return errors.New("packet does not have the correct OpCode for an ArtAddress packet")
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}
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offset := 12
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aa.NetSwitch = data[offset]
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aa.BindIndex = data[offset+1]
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copy(aa.PortName[:], data[offset+2:offset+20])
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copy(aa.LongName[:], data[offset+20:offset+84])
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copy(aa.SwIn[:], data[offset+84:offset+88])
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copy(aa.SwOut[:], data[offset+88:offset+92])
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aa.SubSwitch = data[offset+92]
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aa.AcnPriority = data[offset+93]
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aa.Command = AddressCommand(data[offset+94])
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return nil
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}
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func (aa *ArtAddress) MarshalBinary() ([]byte, error) {
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data := make([]byte, 12+95)
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copy(data[0:8], ArtNetID[:])
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binary.LittleEndian.PutUint16(data[8:10], OpAddress)
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data[10] = 0
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data[11] = 14
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offset := 12
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data[offset] = aa.NetSwitch
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data[offset+1] = aa.BindIndex
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copy(data[offset+2:offset+20], aa.PortName[:])
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copy(data[offset+20:offset+84], aa.LongName[:])
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copy(data[offset+84:offset+88], aa.SwIn[:])
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copy(data[offset+88:offset+92], aa.SwOut[:])
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data[offset+92] = aa.SubSwitch
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data[offset+93] = aa.AcnPriority
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data[offset+94] = uint8(aa.Command)
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return data, nil
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}
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