269 lines
6.8 KiB
Go
269 lines
6.8 KiB
Go
package model
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import (
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"fmt"
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"net/url"
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"regexp"
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"strconv"
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"time"
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)
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// DeviceType 定义设备类型
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type DeviceType int
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const (
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DeviceTypeWIFI DeviceType = iota
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DeviceTypeRS485
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)
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type WeatherData struct {
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DeviceType DeviceType
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StationID string
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Password string
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TempF float64
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Humidity int
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DewpointF float64
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WindchillF float64
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WindDir int
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WindSpeedMph float64
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WindGustMph float64
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RainIn float64
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DailyRainIn float64
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WeeklyRainIn float64
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MonthlyRainIn float64
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YearlyRainIn float64
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TotalRainIn float64
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SolarRadiation float64
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UV int
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IndoorTempF float64
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IndoorHumidity int
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AbsBarometerIn float64
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BarometerIn float64
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LowBattery bool
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SoftwareType string
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DateUTC string
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Action string
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RealTime int
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RTFreq int
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}
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var urlRegex = regexp.MustCompile(`/weatherstation/updateweatherstation\.php\?([^&\s]+(&[^&\s]+)*)`)
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// ParseData 根据数据类型解析气象数据
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func ParseData(data []byte) (*WeatherData, error) {
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// 检查是否为RS485数据
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if len(data) == 25 && data[0] == 0x24 {
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return ParseRS485WeatherData(data)
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}
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// 尝试解析为WIFI数据
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return ParseWIFIWeatherData(string(data))
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}
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// ParseWIFIWeatherData 解析WIFI设备数据
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func ParseWIFIWeatherData(data string) (*WeatherData, error) {
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matches := urlRegex.FindStringSubmatch(data)
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if len(matches) < 2 {
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return nil, fmt.Errorf("无法找到有效的气象站数据URL")
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}
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queryString := matches[1]
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values, err := url.ParseQuery(queryString)
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if err != nil {
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return nil, fmt.Errorf("解析查询参数失败: %v", err)
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}
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wd := &WeatherData{
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DeviceType: DeviceTypeWIFI,
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DateUTC: time.Now().UTC().Format("2006-01-02 15:04:05"),
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}
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wd.StationID = values.Get("ID")
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wd.Password = values.Get("PASSWORD")
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wd.SoftwareType = values.Get("softwaretype")
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wd.Action = values.Get("action")
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if tempF, err := strconv.ParseFloat(values.Get("tempf"), 64); err == nil {
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wd.TempF = tempF
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}
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if humidity, err := strconv.Atoi(values.Get("humidity")); err == nil {
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wd.Humidity = humidity
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}
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if dewpointF, err := strconv.ParseFloat(values.Get("dewptf"), 64); err == nil {
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wd.DewpointF = dewpointF
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}
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if windchillF, err := strconv.ParseFloat(values.Get("windchillf"), 64); err == nil {
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wd.WindchillF = windchillF
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}
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if windDir, err := strconv.Atoi(values.Get("winddir")); err == nil {
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wd.WindDir = windDir
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}
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if windSpeedMph, err := strconv.ParseFloat(values.Get("windspeedmph"), 64); err == nil {
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wd.WindSpeedMph = windSpeedMph
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}
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if windGustMph, err := strconv.ParseFloat(values.Get("windgustmph"), 64); err == nil {
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wd.WindGustMph = windGustMph
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}
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if rainIn, err := strconv.ParseFloat(values.Get("rainin"), 64); err == nil {
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wd.RainIn = rainIn
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}
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if dailyRainIn, err := strconv.ParseFloat(values.Get("dailyrainin"), 64); err == nil {
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wd.DailyRainIn = dailyRainIn
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}
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if weeklyRainIn, err := strconv.ParseFloat(values.Get("weeklyrainin"), 64); err == nil {
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wd.WeeklyRainIn = weeklyRainIn
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}
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if monthlyRainIn, err := strconv.ParseFloat(values.Get("monthlyrainin"), 64); err == nil {
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wd.MonthlyRainIn = monthlyRainIn
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}
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if yearlyRainIn, err := strconv.ParseFloat(values.Get("yearlyrainin"), 64); err == nil {
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wd.YearlyRainIn = yearlyRainIn
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}
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if totalRainIn, err := strconv.ParseFloat(values.Get("totalrainin"), 64); err == nil {
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wd.TotalRainIn = totalRainIn
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}
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if solarRadiation, err := strconv.ParseFloat(values.Get("solarradiation"), 64); err == nil {
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wd.SolarRadiation = solarRadiation
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}
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if uv, err := strconv.Atoi(values.Get("UV")); err == nil {
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wd.UV = uv
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}
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if indoorTempF, err := strconv.ParseFloat(values.Get("indoortempf"), 64); err == nil {
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wd.IndoorTempF = indoorTempF
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}
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if indoorHumidity, err := strconv.Atoi(values.Get("indoorhumidity")); err == nil {
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wd.IndoorHumidity = indoorHumidity
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}
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if absBarometerIn, err := strconv.ParseFloat(values.Get("absbaromin"), 64); err == nil {
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wd.AbsBarometerIn = absBarometerIn
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}
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if barometerIn, err := strconv.ParseFloat(values.Get("baromin"), 64); err == nil {
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wd.BarometerIn = barometerIn
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}
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if lowBatt, err := strconv.Atoi(values.Get("lowbatt")); err == nil {
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wd.LowBattery = lowBatt != 0
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}
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if realTime, err := strconv.Atoi(values.Get("realtime")); err == nil {
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wd.RealTime = realTime
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}
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if rtFreq, err := strconv.Atoi(values.Get("rtfreq")); err == nil {
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wd.RTFreq = rtFreq
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}
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return wd, nil
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}
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// ParseRS485WeatherData 解析RS485设备数据
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func ParseRS485WeatherData(data []byte) (*WeatherData, error) {
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protocol := NewRS485Protocol(data)
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rs485Data, err := protocol.ParseRS485Data()
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if err != nil {
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return nil, err
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}
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wd := &WeatherData{
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DeviceType: DeviceTypeRS485,
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DateUTC: time.Now().UTC().Format("2006-01-02 15:04:05"),
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StationID: fmt.Sprintf("RS485-%02X%02X", data[1], data[2]), // 使用前两个字节作为设备ID
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}
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// 转换温度（摄氏度到华氏度）
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wd.TempF = rs485Data.Temperature*9/5 + 32
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// 转换湿度（直接使用）
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wd.Humidity = int(rs485Data.Humidity)
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// 转换风向（直接使用）
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wd.WindDir = int(rs485Data.WindDirection)
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// 转换风速（m/s到mph）
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wd.WindSpeedMph = rs485Data.WindSpeed * 2.23694
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// 转换降雨量（mm到inch）
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wd.RainIn = rs485Data.Rainfall / 25.4
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// 转换光照（直接使用）
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wd.SolarRadiation = rs485Data.Light
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// 转换UV（直接使用）
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wd.UV = int(rs485Data.UV)
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// 转换气压（hPa到inHg）
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wd.BarometerIn = rs485Data.Pressure / 33.8639
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wd.AbsBarometerIn = wd.BarometerIn
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return wd, nil
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}
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func (w *WeatherData) String() string {
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return fmt.Sprintf(`
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站点ID: %s
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温度: %.1f°F (%.1f°C)
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湿度: %d%%
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露点: %.1f°F (%.1f°C)
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风寒指数: %.1f°F (%.1f°C)
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风向: %d°
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风速: %.2f mph (%.2f km/h)
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阵风: %.2f mph (%.2f km/h)
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降雨量: %.3f 英寸 (%.2f mm)
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日降雨量: %.3f 英寸 (%.2f mm)
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周降雨量: %.3f 英寸 (%.2f mm)
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月降雨量: %.3f 英寸 (%.2f mm)
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年降雨量: %.3f 英寸 (%.2f mm)
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总降雨量: %.3f 英寸 (%.2f mm)
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太阳辐射: %.2f W/m²
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紫外线指数: %d
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室内温度: %.1f°F (%.1f°C)
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室内湿度: %d%%
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绝对气压: %.3f 英寸汞柱 (%.2f hPa)
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相对气压: %.3f 英寸汞柱 (%.2f hPa)
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低电量: %v
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软件类型: %s
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日期UTC: %s`,
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w.StationID,
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w.TempF, (w.TempF-32)*5/9,
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w.Humidity,
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w.DewpointF, (w.DewpointF-32)*5/9,
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w.WindchillF, (w.WindchillF-32)*5/9,
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w.WindDir,
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w.WindSpeedMph, w.WindSpeedMph*1.60934,
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w.WindGustMph, w.WindGustMph*1.60934,
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w.RainIn, w.RainIn*25.4,
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w.DailyRainIn, w.DailyRainIn*25.4,
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w.WeeklyRainIn, w.WeeklyRainIn*25.4,
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w.MonthlyRainIn, w.MonthlyRainIn*25.4,
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w.YearlyRainIn, w.YearlyRainIn*25.4,
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w.TotalRainIn, w.TotalRainIn*25.4,
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w.SolarRadiation,
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w.UV,
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w.IndoorTempF, (w.IndoorTempF-32)*5/9,
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w.IndoorHumidity,
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w.AbsBarometerIn, w.AbsBarometerIn*33.8639,
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w.BarometerIn, w.BarometerIn*33.8639,
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w.LowBattery,
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w.SoftwareType,
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w.DateUTC,
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)
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}
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