goUpload/adaptors/振动to湘潭健康监测.go

package adaptors

import (
	"encoding/json"
	"goUpload/models"
	"log"
	"math"
	"time"
)

// Adaptor_ZD_XTJC 振动DAAS数据 转换 湘潭健康监测平台
type Adaptor_ZD_XTJC struct {
	IdMap map[string]int16
}

func (the Adaptor_ZD_XTJC) Transform(rawMsg string) [][]byte {
	zd := models.ZD{}
	var result [][]byte
	json.Unmarshal([]byte(rawMsg), &zd)
	result = append(result, the.ZDtoXTJC(zd))
	return result
}

func (the Adaptor_ZD_XTJC) ZDtoXTJC(zd models.ZD) (result []byte) {
	Atime := time.UnixMilli(zd.Ticks)

	var transBytes []byte
	var sensorDataList []float32 = zd.AccValues

	//1.添加通用报文头段
	commPayloadHeader := the.getPayloadHeader(int16(len(sensorDataList)))
	transBytes = append(transBytes, commPayloadHeader...)
	//2.添加时间段
	transBytes = append(transBytes, the.getTimeBytes(Atime)...)
	//3.添加对象码段
	sensorCode := the.getSensorId(zd.Module)
	if sensorCode != 0 {
		transBytes = append(transBytes, the.getCodeBytes(sensorCode)...)
	} else {
		log.Printf("振动DAAS 设备[%s] 无匹配的湘潭监测id,请检查配置文件", zd.Module)
		return
	}
	//4.添加数据值段
	transBytes = append(transBytes, the.getDatasBytes(sensorDataList)...)

	return transBytes
}
func (the Adaptor_ZD_XTJC) getSensorId(rawSensorName string) int16 {
	v, isValid := the.IdMap[rawSensorName]
	if !isValid {
		v = 0
	}

	return v
}
func (the Adaptor_ZD_XTJC) getCodeBytes(sensorCode int16) []byte {

	bytes := make([]byte, 0)
	bytes = append(bytes,
		byte(sensorCode&0xFF),
		byte(sensorCode>>8),
	)

	return bytes
}

func (the Adaptor_ZD_XTJC) getTimeBytes(sensorTime time.Time) []byte {

	year := int8(sensorTime.Year() - 1900)
	month := int8(sensorTime.Month())
	day := int8(sensorTime.Day())
	hour := int8(sensorTime.Hour())
	minute := int8(sensorTime.Minute())
	millisecond := uint16(sensorTime.Second()*1000 + sensorTime.Nanosecond()/1e6)
	bytes := make([]byte, 0)
	bytes = append(bytes,
		byte(year),
		byte(month),
		byte(day),
		byte(hour),
		byte(minute),
		byte(millisecond&0xFF),
		byte(millisecond>>8),
	)

	return bytes
}

func (the Adaptor_ZD_XTJC) getDatasBytes(datas []float32) []byte {

	bytes := make([]byte, 0)
	for _, data := range datas {
		bits := math.Float32bits(data)
		bytes = append(bytes,
			byte(bits&0xFF),
			byte(bits>>8&0xFF),
			byte(bits>>16&0xFF),
			byte(bits>>24&0xFF),
		)
	}

	return bytes
}

func (the Adaptor_ZD_XTJC) getPayloadHeader(floatCount int16) []byte {

	bytes := make([]byte, 0)

	bytes = append(bytes,
		//报文类型
		0x02,
		0x00,
		//1:上行信息
		0x01,
		//默认，通讯计算机编号
		0x00,
		//命令码
		0x01,
		//报文长度
		byte((floatCount*4+9)&0xFF),
		byte((floatCount*4+9)>>8),
	)

	return bytes
}