【联锁消息结构】

This commit is contained in:
weizhihong 2023-10-24 09:14:54 +08:00
parent cb950c8e58
commit e057d8ec3a
2 changed files with 110 additions and 1 deletions

@ -1 +1 @@
Subproject commit f5e9aeecc88bc2c60aac21b98e6f0b40d297d4ca
Subproject commit 3c65650745096e41bb008c74db31aa943e41285a

109
third_party/message/interlock.go vendored Normal file
View File

@ -0,0 +1,109 @@
package message
import "fmt"
// 消息包头解析
type InterlockMsgPkgHeader struct {
Header1 byte //包头1 1个字节
Header2 byte //包头2 1个字节
TypeCode uint8 //类型码 1个字节 0x02
SerialNumber uint8 //序列号 1个字节 序列号0~255
Reserve1 byte //预留 1个字节
Reserve2 byte //预留 1个字节
}
func (h *InterlockMsgPkgHeader) Encode() []byte {
return []byte{h.Header1, h.Header2, h.TypeCode, h.SerialNumber, h.Reserve1, h.Reserve2}
}
func (h *InterlockMsgPkgHeader) Decode(buf []byte) error {
if len(buf) < 6 {
return fmt.Errorf("数据少于6个字节")
}
h.Header1 = buf[0]
h.Header2 = buf[1]
h.TypeCode = buf[2]
h.SerialNumber = buf[3]
h.Reserve1 = buf[4]
h.Reserve2 = buf[5]
return nil
}
// 消息包尾解析
type InterlockMsgPkgTail struct {
Tail []byte // 包尾2个字节
}
func (t *InterlockMsgPkgTail) Encode() []byte {
if len(t.Tail) == 0 {
return make([]byte, 2)
}
return t.Tail
}
func (t *InterlockMsgPkgTail) Decode(buf []byte) error {
if len(buf) < 2 {
return fmt.Errorf("数据少于2个字节")
}
t.Tail = buf[len(buf)-2:]
return nil
}
// 发送给联锁的采集数据
type InterlockSendMsgPkg struct {
Header *InterlockMsgPkgHeader // 包头
Info []byte // 发给联锁的状态数据
Tail *InterlockMsgPkgTail // 包尾
}
func (m *InterlockSendMsgPkg) Encode() []byte {
var data []byte
data = append(data, m.Header.Encode()...)
data = append(data, m.Info...)
data = append(data, m.Tail.Encode()...)
return data
}
// 收到联锁发来的驱动数据
type InterlockReceiveMsgPkg struct {
toagent_len int32
et_out_num int32
tcc_output_len int32
Header *InterlockMsgPkgHeader // 包头
syncZone []byte // 同步区状态
driveInfo []byte // 驱动数据
tccInfo []byte // 应答器报文
Tail *InterlockMsgPkgTail // 包尾
}
// ET_OUT_NUM、TOAGENTLEN、TCC_OUTPUT_LEN应答器数量*131的具体数值取决于数据配置。
func NewInterlockReceiveMsgPkg(tlen, etLen, tccLen int32) *InterlockReceiveMsgPkg {
return &InterlockReceiveMsgPkg{
toagent_len: tlen,
et_out_num: etLen,
tcc_output_len: tccLen,
Header: &InterlockMsgPkgHeader{},
Tail: &InterlockMsgPkgTail{},
}
}
func (t *InterlockReceiveMsgPkg) Decode(buf []byte) error {
var preIndex, lastIndex int32 = 0, 6
// 包头
t.Header.Decode(buf[preIndex:lastIndex])
// 同步区状态
preIndex = lastIndex
lastIndex = lastIndex + t.toagent_len
t.syncZone = buf[preIndex:lastIndex]
// 驱动数据
preIndex = lastIndex
lastIndex = lastIndex + t.et_out_num
t.driveInfo = buf[preIndex:lastIndex]
// 应答器报文
preIndex = lastIndex
lastIndex = lastIndex + t.tcc_output_len
t.tccInfo = buf[preIndex:lastIndex]
// 包尾
t.Tail.Decode(buf)
return nil
}