设备编辑管理界面
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310
DeviceEditModule/ViewModels/IT7800EViewModel.cs
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310
DeviceEditModule/ViewModels/IT7800EViewModel.cs
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using DeviceCommand.Device;
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using Prism.Commands;
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using Prism.Ioc;
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using System;
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using System.Threading;
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using System.Windows.Input;
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using UIShare.GlobalVariable;
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using UIShare.ViewModelBase;
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namespace DeviceEditModule.ViewModels
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{
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/// <summary>
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/// IT7800E 交直流电源控制面板 ViewModel。
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/// <para>
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/// 注册为 Navigation View，既可由 Region 导航进入，
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/// 也可由外部直接实例化后作为 Tab 内容塞入 DialogMangerView：
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/// <code>
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/// var view = container.Resolve<IT7800EView>();
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/// (view.DataContext as IT7800EViewModel)?.Initialize("IT7800E");
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/// _eventAggregator.GetEvent<AddDialogTabEvent>().Publish(
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/// new DialogTabInfo { Title = "IT7800E", Content = view });
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/// </code>
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/// </para>
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/// </summary>
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public class IT7800EViewModel : NavigateViewModelBase, IDisposable
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{
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#region 私有字段
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private readonly DeviceManager _deviceManager;
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private IT7800E? _device;
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private CancellationTokenSource? _cts;
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#endregion
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#region 设备信息属性
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private string _deviceName = "IT7800E";
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public string DeviceName
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{
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get => _deviceName;
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set => SetProperty(ref _deviceName, value);
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}
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private bool _isConnected;
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public bool IsConnected
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{
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get => _isConnected;
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set => SetProperty(ref _isConnected, value);
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}
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private bool _isBusy;
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/// <summary>正在执行设备命令时为 true，用于 UI 忙碌状态指示。</summary>
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public bool IsBusy
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{
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get => _isBusy;
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set => SetProperty(ref _isBusy, value);
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}
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#endregion
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#region 输入参数属性
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private double _acVoltage = 220.0;
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/// <summary>待设置的交流电压值（V）。</summary>
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public double AcVoltage
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{
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get => _acVoltage;
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set => SetProperty(ref _acVoltage, value);
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}
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private double _dcVoltage = 0.0;
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/// <summary>待设置的直流偏置电压值（V）。</summary>
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public double DcVoltage
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{
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get => _dcVoltage;
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set => SetProperty(ref _dcVoltage, value);
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}
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private double _frequency = 50.0;
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/// <summary>待设置的交流频率（Hz）。</summary>
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public double Frequency
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{
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get => _frequency;
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set => SetProperty(ref _frequency, value);
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}
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private double _currentLimit = 10.0;
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/// <summary>待设置的限流值（A）。</summary>
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public double CurrentLimit
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{
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get => _currentLimit;
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set => SetProperty(ref _currentLimit, value);
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}
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private string _selectedMode = "AC";
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/// <summary>待设置的电源工作模式：AC / DC / ACDC。</summary>
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public string SelectedMode
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{
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get => _selectedMode;
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set => SetProperty(ref _selectedMode, value);
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}
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private double _ovpValue = 260.0;
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/// <summary>过压保护值（V）。</summary>
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public double OvpValue
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{
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get => _ovpValue;
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set => SetProperty(ref _ovpValue, value);
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}
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private double _ocpValue = 15.0;
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/// <summary>过流保护值（A）。</summary>
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public double OcpValue
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{
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get => _ocpValue;
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set => SetProperty(ref _ocpValue, value);
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}
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#endregion
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#region 测量结果属性
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private string _measuredVoltage = "—";
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public string MeasuredVoltage
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{
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get => _measuredVoltage;
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set => SetProperty(ref _measuredVoltage, value);
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}
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private string _measuredCurrent = "—";
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public string MeasuredCurrent
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{
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get => _measuredCurrent;
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set => SetProperty(ref _measuredCurrent, value);
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}
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private string _measuredPower = "—";
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public string MeasuredPower
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{
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get => _measuredPower;
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set => SetProperty(ref _measuredPower, value);
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}
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private string _measuredFrequency = "—";
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public string MeasuredFrequency
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{
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get => _measuredFrequency;
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set => SetProperty(ref _measuredFrequency, value);
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}
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private string _responseLog = string.Empty;
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/// <summary>命令响应日志（最新消息在顶部）。</summary>
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public string ResponseLog
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{
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get => _responseLog;
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set => SetProperty(ref _responseLog, value);
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}
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#endregion
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#region 命令
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public ICommand QueryIdentityCommand { get; }
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public ICommand ResetDeviceCommand { get; }
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public ICommand OutputOnCommand { get; }
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public ICommand OutputOffCommand { get; }
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public ICommand SetModeCommand { get; }
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public ICommand SetAcVoltageCommand { get; }
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public ICommand SetDcVoltageCommand { get; }
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public ICommand SetFrequencyCommand { get; }
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public ICommand SetCurrentCommand { get; }
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public ICommand QueryAllMeasureCommand { get; }
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public ICommand SetRemoteModeCommand { get; }
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public ICommand SetLocalModeCommand { get; }
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public ICommand SetOvpCommand { get; }
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public ICommand SetOcpCommand { get; }
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public ICommand ClearAlarmCommand { get; }
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public ICommand ClearErrorCommand { get; }
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#endregion
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public IT7800EViewModel(IContainerProvider containerProvider) : base(containerProvider)
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{
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_deviceManager = containerProvider.Resolve<DeviceManager>();
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QueryIdentityCommand = new DelegateCommand(async () => await Exec(async () => AppendLog("IDN: " + await _device!.查询设备标识(Ct()))));
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ResetDeviceCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.重置设备(Ct()); AppendLog("设备已重置"); }));
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OutputOnCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置DC输出(true, Ct()); AppendLog("输出已开启"); }));
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OutputOffCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置DC输出(false, Ct()); AppendLog("输出已关闭"); }));
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SetModeCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置电源模式(SelectedMode, Ct()); AppendLog($"模式已设为 {SelectedMode}"); }));
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SetAcVoltageCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置交流电压(AcVoltage, Ct()); AppendLog($"AC电压已设为 {AcVoltage} V"); }));
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SetDcVoltageCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置直流电压(DcVoltage, Ct()); AppendLog($"DC偏置已设为 {DcVoltage} V"); }));
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SetFrequencyCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置频率(Frequency, Ct()); AppendLog($"频率已设为 {Frequency} Hz"); }));
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SetCurrentCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置电流(CurrentLimit, Ct()); AppendLog($"限流已设为 {CurrentLimit} A"); }));
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SetOvpCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置过压保护_OVP(OvpValue, Ct()); AppendLog($"OVP已设为 {OvpValue} V"); }));
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SetOcpCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置过流保护_OCP(OcpValue, Ct()); AppendLog($"OCP已设为 {OcpValue} A"); }));
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SetRemoteModeCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.切换远程控制模式(Ct()); AppendLog("已切换到远程控制模式"); }));
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SetLocalModeCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.切换本地控制模式(Ct()); AppendLog("已切换到本地控制模式"); }));
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ClearAlarmCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.清除保护告警(Ct()); AppendLog("保护告警已清除"); }));
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ClearErrorCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.清除错误队列和状态字节(Ct()); AppendLog("错误队列已清除"); }));
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QueryAllMeasureCommand = new DelegateCommand(async () => await Exec(async () =>
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{
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MeasuredVoltage = await _device!.查询实际电压(Ct());
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MeasuredCurrent = await _device!.查询实际电流(Ct());
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MeasuredPower = await _device!.查询实际功率(Ct());
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MeasuredFrequency = await _device!.查询实际频率(Ct());
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AppendLog($"测量 → 电压:{MeasuredVoltage}V 电流:{MeasuredCurrent}A 功率:{MeasuredPower}W 频率:{MeasuredFrequency}Hz");
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}));
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Initialize();
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}
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#region 初始化 / Navigation
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/// <summary>
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/// 从 DeviceManager 中查找 IT7800E 设备实例。
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/// 优先按 <paramref name="deviceName"/> 查找，否则取第一个匹配类型的设备。
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/// </summary>
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public void Initialize(string? deviceName = null)
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{
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IT7800E? found = null;
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string? foundName = null;
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if (deviceName != null &&
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_deviceManager.DeviceMap.TryGetValue(deviceName, out var d) &&
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d is IT7800E e)
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{
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found = e;
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foundName = deviceName;
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}
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else
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{
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foreach (var kv in _deviceManager.DeviceMap)
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{
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if (kv.Value is IT7800E it)
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{
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found = it;
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foundName = kv.Key;
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break;
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}
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}
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}
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_device = found;
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DeviceName = foundName ?? "IT7800E (未找到)";
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IsConnected = _device?.IsConnected ?? false;
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AppendLog(found != null
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? $"已关联设备 [{DeviceName}]，连接状态：{(IsConnected ? "已连接" : "未连接")}"
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: "未在 DeviceManager 中找到 IT7800E 设备，请先初始化设备配置。");
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}
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public override void OnNavigatedTo(NavigationContext context)
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{
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var name = context.Parameters.GetValue<string?>("DeviceName");
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Initialize(name);
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}
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#endregion
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#region 辅助
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private CancellationToken Ct() => (_cts = new CancellationTokenSource(TimeSpan.FromSeconds(10))).Token;
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private async Task Exec(Func<Task> action)
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{
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if (_device == null)
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{
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AppendLog("错误：未关联到设备实例，请检查设备配置。");
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return;
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}
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if (IsBusy) return;
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IsBusy = true;
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try
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{
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await action();
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IsConnected = _device.IsConnected;
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}
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catch (OperationCanceledException)
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{
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AppendLog("命令超时或已取消。");
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}
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catch (Exception ex)
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{
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AppendLog($"错误：{ex.Message}");
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}
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finally
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{
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IsBusy = false;
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}
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}
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private void AppendLog(string message)
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{
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var line = $"[{DateTime.Now:HH:mm:ss}] {message}";
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ResponseLog = ResponseLog.Length > 4000
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? line + "\n" + ResponseLog[..3000]
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: line + "\n" + ResponseLog;
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}
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#endregion
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public void Dispose()
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{
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_cts?.Cancel();
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_cts?.Dispose();
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}
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}
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}
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