136 lines
2.7 KiB
Go
136 lines
2.7 KiB
Go
package message
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import "fmt"
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// SectionCmdMsg CI系统发送的区段操作命令
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type SectionCmdMsg struct {
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//bit5 计轴直接复位
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Drst bool
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//bit2 计轴预复位
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Pdrst bool
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}
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func (s *SectionCmdMsg) Encode() byte {
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buf := 0x00
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if s.Drst {
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buf = buf | (0x01 << 5)
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}
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if s.Pdrst {
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buf = buf | (0x01 << 2)
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}
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return byte(buf)
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}
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func (s *SectionCmdMsg) Decode(buf byte) {
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s.Drst = buf&(0x01<<5) != 0
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s.Pdrst = buf&(0x01<<2) != 0
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}
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// SectionCmdMsgPack CI系统发送区段操作命令数据包
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type SectionCmdMsgPack struct {
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//检查字节，固定0x80
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Ck byte
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//区段命令表,注意顺序要与协商一致
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Scs []*SectionCmdMsg
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}
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func (s *SectionCmdMsgPack) Encode() []byte {
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buf := make([]byte, 0, 1+len(s.Scs))
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buf = append(buf, s.Ck)
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for _, msg := range s.Scs {
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buf = append(buf, msg.Encode())
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}
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return buf
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}
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func (s *SectionCmdMsgPack) Decode(buf []byte) error {
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if len(buf) < 1 {
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return fmt.Errorf("buf 没有足够的数据")
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}
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s.Ck = buf[0]
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var scs []*SectionCmdMsg
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for i := 1; i < len(buf); i++ {
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msg := &SectionCmdMsg{}
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msg.Decode(buf[i])
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scs = append(scs, msg)
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}
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s.Scs = scs
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return nil
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}
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///////////////////////////////////////////////
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// SectionStatusMsg 发送给CI系统的区段当前的状态
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type SectionStatusMsg struct {
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//0-bit7 计轴出清
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Clr bool
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//0-bit6 计轴占用
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Occ bool
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//1-bit6 计轴复位反馈
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Rac bool
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//1-bit5 运营原因拒绝计轴复位
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Rjo bool
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//1-bit4 技术原因拒绝计轴复位
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Rjt bool
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}
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func (s *SectionStatusMsg) Encode() []byte {
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buf := []byte{0x00, 0x00}
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if s.Clr {
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buf[0] = buf[0] | (0x01 << 7)
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}
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if s.Occ {
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buf[0] = buf[0] | (0x01 << 6)
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}
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//
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if s.Rac {
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buf[1] = buf[1] | (0x01 << 6)
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}
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if s.Rjo {
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buf[1] = buf[1] | (0x01 << 5)
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}
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if s.Rjt {
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buf[1] = buf[1] | (0x01 << 4)
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}
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return buf
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}
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func (s *SectionStatusMsg) Decode(buf []byte) error {
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if len(buf) != 2 {
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return fmt.Errorf("buf 长度须为2")
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}
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s.Clr = buf[0]&(0x01<<7) != 0
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s.Occ = buf[0]&(0x01<<6) != 0
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s.Rac = buf[1]&(0x01<<6) != 0
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s.Rjo = buf[1]&(0x01<<5) != 0
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s.Rjt = buf[1]&(0x01<<4) != 0
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return nil
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}
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type SectionStatusMsgPack struct {
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//检查字节,CI系统暂时不使用
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Ck byte
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//区段状态表，注意顺序要与协商一致
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Sms []*SectionStatusMsg
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}
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func (s *SectionStatusMsgPack) Encode() []byte {
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buf := make([]byte, 0, 1+2*len(s.Sms))
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buf = append(buf, s.Ck)
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for _, msg := range s.Sms {
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buf = append(buf, msg.Encode()...)
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}
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return buf
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}
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func (s *SectionStatusMsgPack) Decode(buf []byte) error {
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if len(buf)%2 != 1 {
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return fmt.Errorf("buf的长度须为奇数")
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}
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s.Ck = buf[0]
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var sms []*SectionStatusMsg
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for i := 1; i < len(buf)-1; i += 2 {
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msg := &SectionStatusMsg{}
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msg.Decode(buf[i : i+2])
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sms = append(sms, msg)
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}
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s.Sms = sms
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return nil
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}
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