70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
package business
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import (
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"fmt"
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"time"
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"Dynamic_environmental_detection/logger"
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"github.com/goburrow/modbus"
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)
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// DebugModbusClient 调试版Modbus客户端
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type DebugModbusClient struct {
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client modbus.Client
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handler *modbus.RTUClientHandler
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slaveID byte
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}
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// NewDebugModbusClient 创建调试版Modbus客户端
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func NewDebugModbusClient(config *ModbusConfig, slaveID byte) (*DebugModbusClient, error) {
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logger.Logger.Printf("DEBUG: Create a Modbus client - SlaveID: %d, port: %s", slaveID, config.Port)
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handler := modbus.NewRTUClientHandler(config.Port)
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handler.BaudRate = config.BaudRate
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handler.DataBits = config.DataBits
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handler.StopBits = config.StopBits
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handler.Parity = config.Parity
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handler.Timeout = config.Timeout
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handler.SlaveId = slaveID
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logger.Logger.Printf("DEBUG: Attempt to connect to the Modbus device...")
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if err := handler.Connect(); err != nil {
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logger.Logger.Printf("DEBUG: Modbus connection failed: %v", err)
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return nil, fmt.Errorf("Failed to connect to Modbus device: %v", err)
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}
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logger.Logger.Printf("DEBUG: Modbus connection successful!")
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return &DebugModbusClient{
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client: modbus.NewClient(handler),
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handler: handler,
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slaveID: slaveID,
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}, nil
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}
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// ReadHoldingRegisters 读取保持寄存器（带调试信息）
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func (d *DebugModbusClient) ReadHoldingRegisters(address, quantity uint16) ([]byte, error) {
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logger.Logger.Printf("DEBUG: Send Modbus request - SlaveID: %d, Function code: 0x03, Address: %d, quantity: %d",
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d.slaveID, address, quantity)
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startTime := time.Now()
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data, err := d.client.ReadHoldingRegisters(address, quantity)
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elapsed := time.Since(startTime)
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if err != nil {
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logger.Logger.Printf("DEBUG: Failed to read - time-consuming: %v, Error: %v", elapsed, err)
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return nil, err
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}
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logger.Logger.Printf("DEBUG: Reading successful - time-consuming: %v, Data length: %d, Data %X",
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elapsed, len(data), data)
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return data, nil
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}
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// Close 关闭连接
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func (d *DebugModbusClient) Close() {
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if d.handler != nil {
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d.handler.Close()
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logger.Logger.Printf("DEBUG: Modbus connection has been closed.")
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}
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}
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