141 lines
3.9 KiB
Go
141 lines
3.9 KiB
Go
package business
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import (
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"fmt"
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"strconv"
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"time"
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"Dynamic_environmental_detection/logger"
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)
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type SensorData struct {
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DeviceUUID string
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TaskID string
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Address string
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SensorType SensorType
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Facility string
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RawData []byte
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Timestamp time.Time
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Error error
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}
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// DataCollector 数据采集器
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type DataCollector struct {
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modbusConfig *ModbusConfig
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lastReadTime time.Time
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}
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// NewDataCollector 创建数据采集器
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func NewDataCollector(config *ModbusConfig) *DataCollector {
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return &DataCollector{
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modbusConfig: config,
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lastReadTime: time.Now().Add(-config.SensorInterval),
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}
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}
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// ReadSensorData 读取单个传感器数据（使用新的Modbus客户端）
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func (dc *DataCollector) ReadSensorData(sensorConfig SensorConfig) (*SensorData, error) {
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dc.ensureCommunicationInterval()
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// 获取寄存器配置（只包含地址和数量）
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registerConfig, err := GetRegisterConfig(sensorConfig.GetSensorType())
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if err != nil {
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return nil, fmt.Errorf("Failed to get register configuration: %v", err)
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}
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slaveID, err := strconv.Atoi(sensorConfig.Facility)
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if err != nil || slaveID < 1 || slaveID > 247 {
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return nil, fmt.Errorf("Invalid facility value, cannot be used as SlaveID: %s (DeviceUUID: %s)",
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sensorConfig.Facility, sensorConfig.DeviceUUID)
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}
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slaveIDByte := byte(slaveID)
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logger.Logger.Printf("Reading sensor data - Device: %s, SlaveID: %d (from facility=%s), Addr: %d, Count: %d",
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sensorConfig.DeviceUUID, slaveID, sensorConfig.Facility,
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registerConfig.RegisterAddress, registerConfig.RegisterCount)
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client, err := NewDebugModbusClient(dc.modbusConfig, slaveIDByte)
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if err != nil {
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return nil, fmt.Errorf("Failed to create Modbus client: %v", err)
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}
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defer client.Close()
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rawData, err := client.ReadHoldingRegisters(
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registerConfig.RegisterAddress,
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registerConfig.RegisterCount,
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)
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if err != nil {
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return nil, fmt.Errorf("Failed to read sensor data (DeviceUUID: %s): %v",
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sensorConfig.DeviceUUID, err)
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}
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sensorData := &SensorData{
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DeviceUUID: sensorConfig.DeviceUUID,
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TaskID: sensorConfig.TaskID,
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Address: sensorConfig.Address,
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SensorType: sensorConfig.GetSensorType(),
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Facility: sensorConfig.Facility,
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RawData: rawData,
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Timestamp: time.Now(),
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}
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// 成功日志也用真实的 slaveID
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logger.Logger.Printf("Successfully read sensor data - DeviceUUID: %s, SlaveID: %d (from facility=%s), RawData: %v",
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sensorConfig.DeviceUUID, slaveID, sensorConfig.Facility, rawData)
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// 更新最后读取时间
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dc.lastReadTime = time.Now()
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return sensorData, nil
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}
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// 确保通信间隔
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func (dc *DataCollector) ensureCommunicationInterval() {
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elapsed := time.Since(dc.lastReadTime)
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if elapsed < dc.modbusConfig.SensorInterval {
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sleepTime := dc.modbusConfig.SensorInterval - elapsed
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logger.Logger.Printf("Waiting for 485 communication interval: %v", sleepTime)
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time.Sleep(sleepTime)
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}
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}
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// 批量读取所有传感器数据
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func (dc *DataCollector) BatchReadSensorData(sensorConfigs []SensorConfig) ([]*SensorData, []error) {
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var results []*SensorData
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var errors []error
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// 按传感器类型分组，优化读取顺序
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groupedConfigs := groupSensorsByType(sensorConfigs)
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for _, configs := range groupedConfigs {
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for _, config := range configs {
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sensorData, err := dc.ReadSensorData(config)
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if err != nil {
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errors = append(errors, err)
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if len(errors) > 2 {
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logger.Logger.Printf("Detected consecutive communication errors, increasing bus stabilization time")
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time.Sleep(dc.modbusConfig.BusResetDelay * 2)
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}
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continue
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}
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results = append(results, sensorData)
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}
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}
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return results, errors
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}
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// 按传感器类型分组
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func groupSensorsByType(configs []SensorConfig) map[SensorType][]SensorConfig {
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groups := make(map[SensorType][]SensorConfig)
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for _, config := range configs {
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sensorType := config.GetSensorType()
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groups[sensorType] = append(groups[sensorType], config)
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}
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return groups
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}
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