183 lines
4.4 KiB
Go
183 lines
4.4 KiB
Go
package message
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import (
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"fmt"
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"strings"
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)
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// BtmStatusRspFrame BTM发往ATP的状态应答帧
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type BtmStatusRspFrame struct {
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//帧ID
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FId CanFrameId
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//数据流水号,0~255变化,每次加一
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Dsn byte
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//应答器计数(每过一个应答器加一,在同一个应答器内不变)
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BaliseCounter byte
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//报文计数器(每解出一个报文加一)
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MessageCounter byte
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//功率放大器状态,true-1 turn on ;false-0 turn off
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PowerAmplifierOn bool
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//ATP查询帧CRC16校验结果,true-1校验失败,false-0校验通过
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AtpReqCrcCheckWrong bool
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//功率放大器故障,true-1故障,false-0正常
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PowerAmplifierFailure bool
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//天线故障,true-1故障,false-0正常
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AntennaFault bool
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//BTM detailed code
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DetailedCode byte
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//有具体报文内容时TK A时刻填充为CD信号上升沿时刻,报文全零时TK A时刻填充为CD信号下降沿时刻。
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TkTimeA uint32
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IsTrainPcSim bool
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}
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func NewBtmStatusRspFrame(sn byte, isTrainPcSim bool) *BtmStatusRspFrame {
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return &BtmStatusRspFrame{
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FId: *NewCanFrameId(CAN_ADDR_RSP_ATP, CAN_ADDR_RSP_BTM, CAN_FRAME_STATUS_RSP, sn),
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IsTrainPcSim: isTrainPcSim,
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}
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}
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func (f *BtmStatusRspFrame) Decode(cf *CanetFrame) bool {
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f.FId = cf.CanId
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//
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reader := NewCanBitsReader(cf.CanData, 8)
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//数据流水号
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if d, ok := reader.ReadByte(); ok {
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f.Dsn = d
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} else {
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return false
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}
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//应答器计数
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if d, ok := reader.ReadByte(); ok {
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f.BaliseCounter = d
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} else {
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return false
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}
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//报文计数器
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if d, ok := reader.ReadByte(); ok {
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f.MessageCounter = d
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} else {
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return false
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}
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//功率放大器状态
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if d, ok := reader.ReadBits(1); ok {
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f.PowerAmplifierOn = 1 == d
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} else {
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return false
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}
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//ATP查询帧CRC16校验结果
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if d, ok := reader.ReadBits(1); ok {
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f.AtpReqCrcCheckWrong = 1 == d
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} else {
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return false
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}
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//功率放大器故障
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if d, ok := reader.ReadBits(1); ok {
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f.PowerAmplifierFailure = 1 == d
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} else {
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return false
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}
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//天线故障
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if d, ok := reader.ReadBits(1); ok {
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f.AntennaFault = 1 == d
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} else {
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return false
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}
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//BTM detailed code
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if d, ok := reader.ReadBits(4); ok {
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f.DetailedCode = d
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} else {
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return false
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}
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//tk time a
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tk1, tk1Ok := reader.ReadByte()
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if !tk1Ok {
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return false
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}
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tk2, tk2Ok := reader.ReadByte()
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if !tk2Ok {
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return false
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}
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tk3, tk3Ok := reader.ReadByte()
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if !tk3Ok {
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return false
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}
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tk4, tk4Ok := reader.ReadByte()
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if !tk4Ok {
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return false
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}
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f.TkTimeA = 0
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f.TkTimeA |= uint32(tk1) << 24
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f.TkTimeA |= uint32(tk2) << 16
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f.TkTimeA |= uint32(tk3) << 8
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f.TkTimeA |= uint32(tk4)
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//
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return true
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}
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func (f *BtmStatusRspFrame) Encode() *CanetFrame {
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cf := &CanetFrame{}
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cf.IsTrainPcSim = f.IsTrainPcSim
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cf.CanId = f.FId
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cf.CanLen = 8
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cf.FF = true
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cf.RTR = false
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//
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writer := NewCanBitsWriter(8)
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writer.AddByte(f.Dsn)
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writer.AddByte(f.BaliseCounter)
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writer.AddByte(f.MessageCounter)
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//
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if f.PowerAmplifierOn {
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writer.AddBits(1, 1)
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} else {
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writer.AddBits(0, 1)
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}
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//
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if f.AtpReqCrcCheckWrong {
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writer.AddBits(1, 1)
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} else {
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writer.AddBits(0, 1)
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}
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//
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if f.PowerAmplifierFailure {
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writer.AddBits(1, 1)
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} else {
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writer.AddBits(0, 1)
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}
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//
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if f.AntennaFault {
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writer.AddBits(1, 1)
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} else {
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writer.AddBits(0, 1)
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}
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//
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writer.AddBits(f.DetailedCode, 4)
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//tk time a
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tkMsk := uint32(0x00_00_00_ff)
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tk1 := byte((f.TkTimeA >> 24) & tkMsk)
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tk2 := byte((f.TkTimeA >> 16) & tkMsk)
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tk3 := byte((f.TkTimeA >> 8) & tkMsk)
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tk4 := byte(f.TkTimeA & tkMsk)
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writer.AddByte(tk1)
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writer.AddByte(tk2)
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writer.AddByte(tk3)
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writer.AddByte(tk4)
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//
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cf.CanData = writer.(CanBusData).GetData()
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return cf
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}
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func (f *BtmStatusRspFrame) String() string {
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sb := strings.Builder{}
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sb.WriteString(fmt.Sprintf("BtmStatusRspFrame ID1 = 0x%0x, ID2 = 0x%0x, ID3 = 0x%0x, ID4 = 0x%0x,",
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f.FId.ID1, f.FId.ID2, f.FId.ID3, f.FId.ID4))
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sb.WriteString(fmt.Sprintf("Dsn = %d", f.Dsn))
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sb.WriteString(fmt.Sprintf(",BaliseCounter = %d", f.BaliseCounter))
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sb.WriteString(fmt.Sprintf(",MessageCounter = %d", f.MessageCounter))
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sb.WriteString(fmt.Sprintf(",PowerAmplifierOn = %t", f.PowerAmplifierOn))
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sb.WriteString(fmt.Sprintf(",AtpReqCrcCheckWrong = %t", f.AtpReqCrcCheckWrong))
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sb.WriteString(fmt.Sprintf(",PowerAmplifierFailure = %t", f.PowerAmplifierFailure))
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sb.WriteString(fmt.Sprintf(",AntennaFault = %t", f.AntennaFault))
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sb.WriteString(fmt.Sprintf(",DetailedCode = %d", f.DetailedCode))
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sb.WriteString(fmt.Sprintf(",TkTimeA = %d", f.TkTimeA))
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return sb.String()
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}
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