81 lines
2.2 KiB
Go
81 lines
2.2 KiB
Go
package main
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import (
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"time"
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)
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// 传感器数据结构
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type SensorData struct {
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WindSpeed int
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WindForce int
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WindDirection8 int
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WindDirection360 int
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Humidity int
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Temperature int
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Noise int
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PM25 int
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PM10 int
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AtmPressure int
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Lux20WH int
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Lux20WL int
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Light20W int
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OpticalRain int
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CompassAngle int
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SolarRadiation int
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Timestamp time.Time
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}
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// 解析传感器数据
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func parseData(data []byte) *SensorData {
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// 检查响应格式是否正确
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if len(data) < 37 || data[0] != 0x01 || data[1] != 0x03 || data[2] != 0x20 {
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logger.Println("响应格式无效")
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return nil
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}
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// 提取数据部分
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dataBytes := data[3:35] // 跳过地址码、功能码、长度，不包括CRC
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sensorData := SensorData{
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WindSpeed: bytesToInt(dataBytes[0:2]),
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WindForce: bytesToInt(dataBytes[2:4]),
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WindDirection8: bytesToInt(dataBytes[4:6]),
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WindDirection360: bytesToInt(dataBytes[6:8]),
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Humidity: bytesToInt(dataBytes[8:10]),
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Temperature: bytesToInt(dataBytes[10:12]),
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Noise: bytesToInt(dataBytes[12:14]),
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PM25: bytesToInt(dataBytes[14:16]),
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PM10: bytesToInt(dataBytes[16:18]),
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AtmPressure: bytesToInt(dataBytes[18:20]),
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Lux20WH: bytesToInt(dataBytes[20:22]),
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Lux20WL: bytesToInt(dataBytes[22:24]),
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Light20W: bytesToInt(dataBytes[24:26]),
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OpticalRain: bytesToInt(dataBytes[26:28]),
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CompassAngle: bytesToInt(dataBytes[28:30]),
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SolarRadiation: bytesToInt(dataBytes[30:32]),
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Timestamp: time.Now(),
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}
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return &sensorData
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}
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// 记录传感器数据到日志
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func logSensorData(data SensorData) {
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logger.Printf("[传感器] 时间: %s, 温度: %.1f°C, 湿度: %.1f%%, 风速: %.2fm/s (%d°), 雨量: %.1fmm, PM2.5: %dμg/m³",
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data.Timestamp.Format("2006-01-02 15:04:05"),
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float64(data.Temperature)/10.0,
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float64(data.Humidity)/10.0,
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float64(data.WindSpeed)/100.0,
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data.WindDirection360,
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float64(data.OpticalRain)/10.0,
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data.PM25)
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}
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// 将两个字节转换为整数
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func bytesToInt(bytes []byte) int {
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if len(bytes) != 2 {
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return 0
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}
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return int(bytes[0])<<8 | int(bytes[1])
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}
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