rts-sim-testing-service/third_party/message/can_btm_time_sync_rsp.go

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2023-11-17 17:10:15 +08:00
package message
// BtmTimeSyncCheckFrame BTM发往ATP的时间校验帧
type BtmTimeSyncCheckFrame struct {
//帧ID
FId CanFrameId
//T2时刻
//当收到某一流水号的ATP查询帧后BTM将记录接收到该查询帧的时间值做为T2时刻。
T2 uint32
//T3时刻
//BTM将在T3时刻发送回复帧给ATP并保持流水号与ATP查询帧一致。
T3 uint32
}
func NewBtmTimeSyncCheckFrame(sn byte) *BtmTimeSyncCheckFrame {
return &BtmTimeSyncCheckFrame{
FId: *NewCanFrameId(CAN_ADDR_RSP_ATP, CAN_ADDR_RSP_BTM, CAN_FRAME_TIME_SYNC_RSP, sn),
}
}
func (f *BtmTimeSyncCheckFrame) Decode(reader CanBitsReader) bool {
//
if !f.FId.Decode(reader) {
return false
}
//T2
t21, t21Ok := reader.ReadByte()
if !t21Ok {
return false
}
t22, t22Ok := reader.ReadByte()
if !t22Ok {
return false
}
t23, t23Ok := reader.ReadByte()
if !t23Ok {
return false
}
t24, t24Ok := reader.ReadByte()
if !t24Ok {
return false
}
f.T2 = 0
f.T2 |= uint32(t21) << 24
f.T2 |= uint32(t22) << 16
f.T2 |= uint32(t23) << 8
f.T2 |= uint32(t24)
//T3
t31, t31Ok := reader.ReadByte()
if !t31Ok {
return false
}
t32, t32Ok := reader.ReadByte()
if !t32Ok {
return false
}
t33, t33Ok := reader.ReadByte()
if !t33Ok {
return false
}
t34, t34Ok := reader.ReadByte()
if !t34Ok {
return false
}
f.T3 = 0
f.T3 |= uint32(t31) << 24
f.T3 |= uint32(t32) << 16
f.T3 |= uint32(t33) << 8
f.T3 |= uint32(t34)
//
return true
}
func (f *BtmTimeSyncCheckFrame) Encode() CanBusData {
writer := NewCanBitsWriter(12)
f.FId.Encode(writer)
//
timeByteMsk := uint32(0x00_00_00_ff)
//t2
t21 := byte((f.T2 >> 24) & timeByteMsk)
t22 := byte((f.T2 >> 16) & timeByteMsk)
t23 := byte((f.T2 >> 8) & timeByteMsk)
t24 := byte(f.T2 & timeByteMsk)
writer.AddByte(t21)
writer.AddByte(t22)
writer.AddByte(t23)
writer.AddByte(t24)
//t3
t31 := byte((f.T3 >> 24) & timeByteMsk)
t32 := byte((f.T3 >> 16) & timeByteMsk)
t33 := byte((f.T3 >> 8) & timeByteMsk)
t34 := byte(f.T3 & timeByteMsk)
writer.AddByte(t31)
writer.AddByte(t32)
writer.AddByte(t33)
writer.AddByte(t34)
//
return writer.(CanBusData)
}