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133 lines
3.6 KiB
Go
133 lines
3.6 KiB
Go
package message
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import (
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"encoding/binary"
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"math"
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"time"
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)
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type DynamicsTurnoutInfo struct {
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LifeSignal uint16
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TurnoutInfos []*TurnoutInfo
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}
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type TurnoutInfo struct {
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Code uint16
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NPosition bool
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RPosition bool
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}
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func (t *DynamicsTurnoutInfo) Encode() []byte {
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var data []byte
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data = binary.BigEndian.AppendUint16(data, t.LifeSignal)
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for _, info := range t.TurnoutInfos {
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data = binary.BigEndian.AppendUint16(data, info.Code)
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var b byte
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if info.NPosition {
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b |= 1 << 7
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}
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if info.RPosition {
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b |= 1 << 6
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}
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data = append(data, b)
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}
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return data
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}
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type DynamicsTrainInfo struct {
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//生命信号
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LifeSignal uint16
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//列车号（车辆）
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Number uint8
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//列车长度 cm
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Len uint32
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//列车所在轨道link
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Link uint8
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//列车所在link偏移量（mm）
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LinkOffset uint32
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//列车所在位置坡度值（‰）
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Slope uint16
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//列车所在位置坡度走势（上/下坡）
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UpSlope bool
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//列车当前运行方向（偏移量增大/减小方向）
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Up bool
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//实际运行阻力（总）（N）
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TotalResistance int32
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//阻力1（空气阻力）（N）
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AirResistance int32
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//阻力2（坡道阻力）（N）
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SlopeResistance int32
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//阻力3（曲线阻力）（N）
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CurveResistance int32
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//列车运行速度（m/s）
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Speed float32
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//头车速传1速度值（m/s）
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HeadSpeed1 float32
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//头车速度2速度值（m/s）
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HeadSpeed2 float32
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//尾车速传1速度值（m/s）
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TailSpeed1 float32
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//尾车速度2速度值（m/s）
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TailSpeed2 float32
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//头车雷达速度值（m/s）
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HeadRadarSpeed float32
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//尾车雷达速度值（m/s）
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TailRadarSpeed float32
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//加速度(m/s^2)
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Acceleration float32
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//此次计算所使用的半实物消息的生命信号
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VobcLifeSignal uint16
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//位移（mm）
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Displacement float32
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TrainActToMax bool
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TrainActToMin bool
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UpdateTime int64
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}
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// 解析动力学的列车信息
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func (t *DynamicsTrainInfo) Decode(buf []byte) error {
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t.LifeSignal = binary.BigEndian.Uint16(buf[0:2])
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t.Number = buf[2]
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t.Len = binary.BigEndian.Uint32(buf[3:7])
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t.Link = buf[7]
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t.LinkOffset = binary.BigEndian.Uint32(buf[8:12])
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t.Slope = binary.BigEndian.Uint16(buf[12:14])
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b := buf[14]
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t.UpSlope = IsTrueForByte(GetBit(b, 7))
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t.Up = IsTrueForByte(GetBit(b, 6))
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t.TrainActToMax = IsTrueForByte(GetBit(b, 4))
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t.TrainActToMin = IsTrueForByte(GetBit(b, 5))
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//t.UpSlope = (b & (1 << 7)) != 0
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//t.Up = (b & (1 << 6)) != 0
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//t.TrainActToMax = (b & (1 << 5)) != 0
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//t.TrainActToMin = (b & (1 << 4)) != 0
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//t.TrainActToMax = (b & (1 << 4)) != 0
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//t.TrainActToMin = (b & (1 << 5)) != 0
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t.TotalResistance = int32(binary.BigEndian.Uint32(buf[16:20]))
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t.AirResistance = int32(binary.BigEndian.Uint32(buf[20:24]))
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t.SlopeResistance = int32(binary.BigEndian.Uint32(buf[24:28]))
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t.CurveResistance = int32(binary.BigEndian.Uint32(buf[28:32]))
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t.Speed = math.Float32frombits(binary.BigEndian.Uint32(buf[32:36]))
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t.HeadSpeed1 = math.Float32frombits(binary.BigEndian.Uint32(buf[36:40]))
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t.HeadSpeed2 = math.Float32frombits(binary.BigEndian.Uint32(buf[40:44]))
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t.TailSpeed1 = math.Float32frombits(binary.BigEndian.Uint32(buf[44:48]))
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t.TailSpeed2 = math.Float32frombits(binary.BigEndian.Uint32(buf[48:52]))
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t.HeadRadarSpeed = math.Float32frombits(binary.BigEndian.Uint32(buf[52:56]))
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t.TailRadarSpeed = math.Float32frombits(binary.BigEndian.Uint32(buf[56:60]))
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t.Acceleration = math.Float32frombits(binary.BigEndian.Uint32(buf[60:64]))
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t.VobcLifeSignal = binary.BigEndian.Uint16(buf[64:66])
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//tt := binary.BigEndian.Uint16(buf[66:68])
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//t.Displacement = float32(tt)
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dirBin := binary.BigEndian.Uint32(buf[66:70])
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t.Displacement = math.Float32frombits(dirBin)
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t.UpdateTime = time.Now().UnixMilli()
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return nil
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}
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