add ip programming packet types

2026-08-19 22:03:55 +00:00 · 2026-05-26 07:27:07 -05:00
parent 76189580db
commit 9546018fb7
3 changed files with 275 additions and 0 deletions
@@ -0,0 +1,128 @@
+package artnet
+
+import (
+	"encoding/binary"
+	"errors"
+	"slices"
+)
+
+type ArtIpProgReply struct {
+	ID         [8]uint8
+	OpCode     uint16
+	ProtVerHi  uint8
+	ProtVerLo  uint8
+	filler1    uint8
+	filler2    uint8
+	filler3    uint8
+	filler4    uint8
+	ProgIpHi   uint8
+	ProgIp2    uint8
+	ProgIp1    uint8
+	ProgIpLo   uint8
+	ProgSmHi   uint8
+	ProgSm2    uint8
+	ProgSm1    uint8
+	ProgSmLo   uint8
+	ProgPortHi uint8
+	ProgPortLo uint8
+	Status     uint8
+	spare2     uint8
+	ProgDgHi   uint8
+	ProgDg2    uint8
+	ProgDg1    uint8
+	ProgDgLo   uint8
+	spare7     uint8
+	spare8     uint8
+}
+
+func (ad *ArtIpProgReply) GetOpCode() uint16 {
+	return ad.OpCode
+}
+
+func (ad *ArtIpProgReply) GetProtVer() uint16 {
+	return uint16(ad.ProtVerHi)<<8 + uint16(ad.ProtVerLo)
+}
+
+func (ad *ArtIpProgReply) GetID() [8]uint8 {
+	return ad.ID
+}
+
+func (ad *ArtIpProgReply) UnmarshalBinary(data []byte) error {
+	if len(data) < 34 {
+		return errors.New("ArtIpProgReply packet must be at least 18 bytes long")
+	}
+
+	copy(ad.ID[:], data[0:8])
+
+	if !slices.Equal(ArtNetID[:], ad.ID[:]) {
+		return errors.New("ID does not match Art-Net ID")
+	}
+
+	ad.OpCode = binary.LittleEndian.Uint16(data[8:10])
+	ad.ProtVerHi = data[10]
+	ad.ProtVerLo = data[11]
+
+	offset := 12
+
+	ad.filler1 = data[offset]
+	ad.filler2 = data[offset+1]
+	ad.filler3 = data[offset+2]
+	ad.filler4 = data[offset+3]
+
+	ad.ProgIpHi = data[offset+4]
+	ad.ProgIp2 = data[offset+5]
+	ad.ProgIp1 = data[offset+6]
+	ad.ProgIpLo = data[offset+7]
+
+	ad.ProgSmHi = data[offset+8]
+	ad.ProgSm2 = data[offset+9]
+	ad.ProgSm1 = data[offset+10]
+	ad.ProgSmLo = data[offset+11]
+
+	ad.ProgPortHi = data[offset+12]
+	ad.ProgPortLo = data[offset+13]
+
+	ad.Status = data[offset+14]
+	ad.spare2 = data[offset+15]
+
+	ad.ProgDgHi = data[offset+16]
+	ad.ProgDg2 = data[offset+17]
+	ad.ProgDg1 = data[offset+18]
+	ad.ProgDgLo = data[offset+19]
+
+	ad.spare7 = data[offset+20]
+	ad.spare8 = data[offset+21]
+
+	return nil
+}
+
+func (ad *ArtIpProgReply) MarshalBinary() ([]byte, error) {
+	data := make([]byte, 8+26)
+	copy(data[0:8], ad.ID[:])
+	binary.LittleEndian.PutUint16(data[8:10], ad.OpCode)
+	data[10] = ad.ProtVerHi
+	data[11] = ad.ProtVerLo
+	data[12] = ad.filler1
+	data[13] = ad.filler2
+	data[14] = ad.filler3
+	data[15] = ad.filler4
+	data[16] = ad.ProgIpHi
+	data[17] = ad.ProgIp2
+	data[18] = ad.ProgIp1
+	data[19] = ad.ProgIpLo
+	data[20] = ad.ProgSmHi
+	data[21] = ad.ProgSm2
+	data[22] = ad.ProgSm1
+	data[23] = ad.ProgSmLo
+	data[24] = ad.ProgPortHi
+	data[25] = ad.ProgPortLo
+	data[26] = ad.Status
+	data[27] = ad.spare2
+	data[28] = ad.ProgDgHi
+	data[29] = ad.ProgDg2
+	data[30] = ad.ProgDg1
+	data[31] = ad.ProgDgLo
+	data[32] = ad.spare7
+	data[33] = ad.spare8
+	return data, nil
+}