35 lines
1.0 KiB
Go
35 lines
1.0 KiB
Go
|
package msg
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"encoding/binary"
|
||
|
|
"joylink.club/bj-rtsts-server/third_party/message"
|
||
|
|
)
|
||
|
|
|
||
|
|
type SsrMsg struct {
|
||
|
|
MsgHeader
|
||
|
|
SeqNumSsr uint32 // 应答方的序列号
|
||
|
|
SeqNumSse uint32 // 请求方的序列号
|
||
|
|
SeqInit1 uint32 // 时序初始化通道1 SEQENQ_1^SID_1^T_1(NR)^DATAVER_1
|
||
|
|
SeqInit2 uint32 // 时序初始化通道2 SEQENQ_2^SID_2^T_2(NR)^DATAVER_2
|
||
|
|
DataVer byte // 数据版本号 预留固定值0x01
|
||
|
|
Tail uint16 // 报文位 CRC16
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *SsrMsg) Encode() []byte {
|
||
|
|
data := s.MsgHeader.encode()
|
||
|
|
data = binary.LittleEndian.AppendUint32(data, s.SeqNumSsr)
|
||
|
|
data = binary.LittleEndian.AppendUint32(data, s.SeqNumSse)
|
||
|
|
data = binary.LittleEndian.AppendUint32(data, s.SeqInit1)
|
||
|
|
data = binary.LittleEndian.AppendUint32(data, s.SeqInit2)
|
||
|
|
data = append(data, s.DataVer)
|
||
|
|
s.Tail = message.Rssp_I_Crc16(data)
|
||
|
|
data = binary.LittleEndian.AppendUint16(data, s.Tail)
|
||
|
|
return data
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *SsrMsg) Decode(data []byte) error {
|
||
|
|
buf := bytes.NewBuffer(data)
|
||
|
|
return binary.Read(buf, binary.LittleEndian, s)
|
||
|
|
}
|