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

package message

import (
	"encoding/binary"
	"math"
)

type DynamicsTurnoutInfo struct {
	LifeSignal uint16
	Code       uint16
	NPosition  bool
	RPosition  bool
}

func (t *DynamicsTurnoutInfo) Encode() []byte {
	var data []byte
	data = binary.BigEndian.AppendUint16(data, t.LifeSignal)
	data = binary.BigEndian.AppendUint16(data, t.Code)
	var b byte
	if t.NPosition {
		b |= 1 << 7
	}
	if t.RPosition {
		b |= 1 << 6
	}
	data = append(data, b)
	return data
}

type DynamicsTrainInfo struct {
	//生命信号
	LifeSignal uint16
	//列车号（车辆）
	Number uint8
	//列车长度 cm
	Len uint16
	//列车所在轨道link
	Link uint8
	//列车所在link偏移量（mm）
	LinkOffset uint32
	//列车所在位置坡度值（‰）
	Slope uint16
	//列车所在位置坡度走势（上/下坡）
	UpSlope bool
	//列车当前运行方向（偏移量增大/减小方向）
	Up bool
	//实际运行阻力（总）（N）
	TotalResistance int32
	//阻力1（空气阻力）（N）
	AirResistance int32
	//阻力2（坡道阻力）（N）
	SlopeResistance int32
	//阻力3（曲线阻力）（N）
	CurveResistance int32
	//列车运行速度（m/s）
	Speed float32
	//头车速传1速度值（m/s）
	HeadSpeed1 float32
	//头车速度2速度值（m/s）
	HeadSpeed2 float32
	//尾车速传1速度值（m/s）
	TailSpeed1 float32
	//尾车速度2速度值（m/s）
	TailSpeed2 float32
	//头车雷达速度值（m/s）
	HeadRadarSpeed float32
	//尾车雷达速度值（m/s）
	TailRadarSpeed float32
	//加速度(m/s^2)
	Acceleration float32
	// 对应动力学生命周期值
	VobcLifeSignal uint16
}

// 解析动力学的列车信息
func (t *DynamicsTrainInfo) Decode(buf []byte) error {
	t.LifeSignal = binary.BigEndian.Uint16(buf[0:2])
	t.Number = buf[2]
	t.Len = binary.BigEndian.Uint16(buf[3:5])
	t.Link = buf[5]
	t.LinkOffset = binary.BigEndian.Uint32(buf[6:10])
	t.Slope = binary.BigEndian.Uint16(buf[10:12])
	b := buf[12]
	t.UpSlope = (b & (1 << 7)) != 0
	t.Up = (b & (1 << 6)) != 0
	t.TotalResistance = int32(binary.BigEndian.Uint32(buf[14:18]))
	t.AirResistance = int32(binary.BigEndian.Uint32(buf[18:22]))
	t.SlopeResistance = int32(binary.BigEndian.Uint32(buf[22:26]))
	t.CurveResistance = int32(binary.BigEndian.Uint32(buf[26:30]))
	t.Speed = math.Float32frombits(binary.BigEndian.Uint32(buf[30:34]))
	t.HeadSpeed1 = math.Float32frombits(binary.BigEndian.Uint32(buf[34:38]))
	t.HeadSpeed2 = math.Float32frombits(binary.BigEndian.Uint32(buf[38:42]))
	t.TailSpeed1 = math.Float32frombits(binary.BigEndian.Uint32(buf[42:46]))
	t.TailSpeed2 = math.Float32frombits(binary.BigEndian.Uint32(buf[46:50]))
	t.HeadRadarSpeed = math.Float32frombits(binary.BigEndian.Uint32(buf[50:54]))
	t.TailRadarSpeed = math.Float32frombits(binary.BigEndian.Uint32(buf[54:58]))
	t.Acceleration = math.Float32frombits(binary.BigEndian.Uint32(buf[58:62]))
	t.VobcLifeSignal = binary.BigEndian.Uint16(buf[62:64])
	return nil
}