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示波器修改

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huangsucan
2026-09-16 14:36:28 +08:00
parent 96680fd4c6
commit 0050cb341b
3 changed files with 512 additions and 302 deletions
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DeviceEditModule/ViewModels/SDS2000X_HDViewModel.cs
+175 -63
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@@ -2,7 +2,7 @@ using DeviceCommand.Devices;
using Prism.Commands;
using Prism.Ioc;
using System;
using System.Globalization;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Input;
@@ -60,30 +60,45 @@ namespace DeviceEditModule.ViewModels
set => SetProperty(ref _channel, value);
}
private string _channelUnit = "V";
/// <summary>通道物理单位（V 电压 / A 电流）。</summary>
public string ChannelUnit
{
get => _channelUnit;
set => SetProperty(ref _channelUnit, value);
}
public string[] ChannelUnitOptions { get; } = { "V", "A" };
private double _voltsPerDiv = 1.0;
/// <summary>垂直电压档位（V/div）。</summary>
/// <summary>垂直档位（V/div 或 A/div）。</summary>
public double VoltsPerDiv
{
get => _voltsPerDiv;
set => SetProperty(ref _voltsPerDiv, value);
}
private double _offset = 0.0;
/// <summary>垂直偏移（V）。</summary>
public double Offset
private ChannelCoupling _selectedCoupling = ChannelCoupling.DC;
/// <summary>通道耦合方式（DC/AC/GND，测纹波需 AC）。</summary>
public ChannelCoupling SelectedCoupling
{
get => _offset;
set => SetProperty(ref _offset, value);
get => _selectedCoupling;
set => SetProperty(ref _selectedCoupling, value);
}
private bool _is50Ohm;
/// <summary>是否使用 50Ω 输入阻抗，false 为 1MΩ。</summary>
public bool Is50Ohm
public ChannelCoupling[] CouplingOptions { get; } =
(ChannelCoupling[])Enum.GetValues(typeof(ChannelCoupling));
private string _bandwidthLimit = "20M";
/// <summary>通道带宽限制（20M/200M/FULL，测纹波常用 20M）。</summary>
public string BandwidthLimit
{
get => _is50Ohm;
set => SetProperty(ref _is50Ohm, value);
get => _bandwidthLimit;
set => SetProperty(ref _bandwidthLimit, value);
}
public string[] BandwidthLimitOptions { get; } = { "20M", "200M", "FULL" };
private double _timeBase = 0.001;
/// <summary>水平时基档位（s/div）。</summary>
public double TimeBase
@@ -92,20 +107,66 @@ namespace DeviceEditModule.ViewModels
set => SetProperty(ref _timeBase, value);
}
private TriggerMode _selectedTriggerMode = TriggerMode.AUTO;
/// <summary>触发模式（AUTO/NORMal/SINGle）。</summary>
public TriggerMode SelectedTriggerMode
{
get => _selectedTriggerMode;
set => SetProperty(ref _selectedTriggerMode, value);
}
public TriggerMode[] TriggerModeOptions { get; } =
(TriggerMode[])Enum.GetValues(typeof(TriggerMode));
private string _triggerSource = "C1";
/// <summary>边沿触发源（C1~C4/EX/LINE）。</summary>
public string TriggerSource
{
get => _triggerSource;
set => SetProperty(ref _triggerSource, value);
}
private double _triggerLevel = 0.0;
/// <summary>触发电平（V）。</summary>
/// <summary>边沿触发电平（V）。</summary>
public double TriggerLevel
{
get => _triggerLevel;
set => SetProperty(ref _triggerLevel, value);
}
private string _triggerSource = "C1";
/// <summary>触发源（C1/C2/C3/C4/EX/LINE）。</summary>
public string TriggerSource
private TriggerSlope _selectedTriggerSlope = TriggerSlope.RISing;
/// <summary>边沿触发斜率（RISing/FALLing/ALTernate，测泄放时间用 FALLing）。</summary>
public TriggerSlope SelectedTriggerSlope
{
get => _triggerSource;
set => SetProperty(ref _triggerSource, value);
get => _selectedTriggerSlope;
set => SetProperty(ref _selectedTriggerSlope, value);
}
public TriggerSlope[] TriggerSlopeOptions { get; } =
(TriggerSlope[])Enum.GetValues(typeof(TriggerSlope));
private double _cursorX1 = 0.0;
/// <summary>X1 光标位置（s）。</summary>
public double CursorX1
{
get => _cursorX1;
set => SetProperty(ref _cursorX1, value);
}
private double _cursorX2 = 0.001;
/// <summary>X2 光标位置（s）。</summary>
public double CursorX2
{
get => _cursorX2;
set => SetProperty(ref _cursorX2, value);
}
private string _saveFilePath = Path.Combine(AppContext.BaseDirectory, "Screenshots", "SDS2000X_HD.png");
/// <summary>屏幕截图保存路径（保存时自动追加时间戳）。</summary>
public string SaveFilePath
{
get => _saveFilePath;
set => SetProperty(ref _saveFilePath, value);
}
#endregion
@@ -133,6 +194,14 @@ namespace DeviceEditModule.ViewModels
set => SetProperty(ref _measuredRms, value);
}
private double _cursorDeltaT;
/// <summary>X1/X2 光标时间差 ΔT（s）。</summary>
public double CursorDeltaT
{
get => _cursorDeltaT;
set => SetProperty(ref _cursorDeltaT, value);
}
private string _responseLog = string.Empty;
/// <summary>命令响应日志（最新消息在顶部）。</summary>
public string ResponseLog
@@ -145,91 +214,123 @@ namespace DeviceEditModule.ViewModels
#region 命令
// IEEE 488.2 公共命令
public ICommand QueryIdentityCommand { get; }
public ICommand ResetDeviceCommand { get; }
public ICommand ClearStatusCommand { get; }
public ICommand QueryErrorCommand { get; }
public ICommand QueryOpcCommand { get; }
// 运行与捕获控制
public ICommand RunCommand { get; }
public ICommand StopCommand { get; }
public ICommand SingleCommand { get; }
public ICommand ForceTriggerCommand { get; }
public ICommand SetTriggerModeCommand { get; }
// 通道垂直控制
public ICommand SetChannelOnCommand { get; }
public ICommand SetChannelOffCommand { get; }
public ICommand SetChannelUnitCommand { get; }
public ICommand SetVoltsDivCommand { get; }
public ICommand SetOffsetCommand { get; }
// 🛠️ 补全：设置阻抗的 Command
public ICommand SetImpedance50Command { get; }
public ICommand SetImpedance1MCommand { get; }
public ICommand SetChannelCouplingCommand { get; }
public ICommand SetBandwidthLimitCommand { get; }
// 水平与触发控制
public ICommand SetTimeBaseCommand { get; }
public ICommand SetTriggerLevelCommand { get; }
public ICommand SetTriggerSourceCommand { get; }
public ICommand SetTriggerLevelCommand { get; }
public ICommand SetTriggerSlopeCommand { get; }
// 光标测量
public ICommand EnableManualXCursorCommand { get; }
public ICommand SetCursorX1Command { get; }
public ICommand SetCursorX2Command { get; }
public ICommand QueryCursorDeltaTCommand { get; }
// 基本测量
public ICommand QueryMeasurementsCommand { get; }
public ICommand QueryVppCommand { get; }
public ICommand QueryFrequencyCommand { get; }
public ICommand QueryRmsCommand { get; }
// 屏幕截图
public ICommand SaveScreenshotCommand { get; }
#endregion
public SDS2000X_HDViewModel(IContainerProvider containerProvider) : base(containerProvider)
{
_deviceManager = containerProvider.Resolve<DeviceManager>();
// IEEE 488.2 公共命令
QueryIdentityCommand = new DelegateCommand(async () => await Exec(async () => AppendLog("IDN: " + await _device!.查询设备标识(Ct()))));
ResetDeviceCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.重置设备(Ct()); AppendLog("设备已重置"); }));
RunCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.启动捕获_RUN(Ct()); AppendLog("已开始捕获"); }));
StopCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.停止捕获_STOP(Ct()); AppendLog("已停止捕获"); }));
SingleCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.单次触发_SINGLE(Ct()); AppendLog("已触发单次捕获"); }));
ForceTriggerCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.强制触发(Ct()); AppendLog("已强制触发"); }));
ResetDeviceCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.重置设备(Ct()); AppendLog("设备已重置 (*RST)"); }));
ClearStatusCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.清除状态(Ct()); AppendLog("状态寄存器与错误队列已清除 (*CLS)"); }));
QueryErrorCommand = new DelegateCommand(async () => await Exec(async () => AppendLog("SYST:ERR? → " + await _device!.查询错误信息(Ct()))));
QueryOpcCommand = new DelegateCommand(async () => await Exec(async () => AppendLog("操作完成 (*OPC?): " + (await _device!.检查操作完成_OPC(Ct()) ? "是" : "否"))));
// 运行与捕获控制
RunCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.启动捕获_RUN(Ct()); AppendLog("已开始连续捕获"); }));
StopCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.停止捕获_STOP(Ct()); AppendLog("已停止捕获，画面定格"); }));
SetTriggerModeCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置触发模式(SelectedTriggerMode, Ct()); AppendLog($"触发模式已设为 {SelectedTriggerMode}"); }));
// 通道垂直控制
SetChannelOnCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置通道开关(Channel, true, Ct()); AppendLog($"通道 {Channel} 已开启"); }));
SetChannelOffCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置通道开关(Channel, false, Ct()); AppendLog($"通道 {Channel} 已关闭"); }));
SetVoltsDivCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置通道电压档位(Channel, VoltsPerDiv, Ct()); AppendLog($"C{Channel} 电压档位已设为 {VoltsPerDiv} V/div"); }));
SetOffsetCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置通道垂直偏移(Channel, Offset, Ct()); AppendLog($"C{Channel} 垂直偏移已设为 {Offset} V"); }));
// 🛠️ 绑定：设置 50Ω 和 1MΩ 阻抗控制
SetImpedance50Command = new DelegateCommand(async () => await Exec(async () =>
{
await _device!.设置通道阻抗(Channel, ImpedanceType.FIFty, Ct());
Is50Ohm = true;
AppendLog($"C{Channel} 输入阻抗已设为 50Ω");
}));
SetImpedance1MCommand = new DelegateCommand(async () => await Exec(async () =>
{
await _device!.设置通道阻抗(Channel, ImpedanceType.ONEM, Ct());
Is50Ohm = false;
AppendLog($"C{Channel} 输入阻抗已设为 1MΩ");
}));
SetChannelUnitCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置通道单位(Channel, ChannelUnit, Ct()); AppendLog($"C{Channel} 单位已设为 {ChannelUnit}"); }));
SetVoltsDivCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置通道档位(Channel, VoltsPerDiv, Ct()); AppendLog($"C{Channel} 垂直档位已设为 {VoltsPerDiv} {ChannelUnit}/div"); }));
SetChannelCouplingCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置通道耦合(Channel, SelectedCoupling, Ct()); AppendLog($"C{Channel} 耦合方式已设为 {SelectedCoupling}"); }));
SetBandwidthLimitCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置通道带宽限制(Channel, BandwidthLimit, Ct()); AppendLog($"C{Channel} 带宽限制已设为 {BandwidthLimit}"); }));
// 水平与触发控制
SetTimeBaseCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置水平时基(TimeBase, Ct()); AppendLog($"水平时基已设为 {TimeBase} s/div"); }));
SetTriggerLevelCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置触发电平(TriggerLevel, Ct()); AppendLog($"触发电平已设为 {TriggerLevel} V"); }));
SetTriggerSourceCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置触发源(TriggerSource, Ct()); AppendLog($"触发源已设为 {TriggerSource}"); }));
SetTriggerSourceCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置边沿触发源(TriggerSource, Ct()); AppendLog($"边沿触发源已设为 {TriggerSource}"); }));
SetTriggerLevelCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置边沿触发电平(TriggerLevel, Ct()); AppendLog($"边沿触发电平已设为 {TriggerLevel} V"); }));
SetTriggerSlopeCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.设置边沿触发斜率(SelectedTriggerSlope, Ct()); AppendLog($"边沿触发斜率已设为 {SelectedTriggerSlope}"); }));
QueryMeasurementsCommand = new DelegateCommand(async () => await Exec(async () =>
// 光标测量
EnableManualXCursorCommand = new DelegateCommand(async () => await Exec(async () => { await _device!.开启手动X光标(Ct()); AppendLog("已开启手动 X 轴光标"); }));
SetCursorX1Command = new DelegateCommand(async () => await Exec(async () => { await _device!.设置光标X1位置(CursorX1, Ct()); AppendLog($"X1 光标已设为 {CursorX1} s"); }));
SetCursorX2Command = new DelegateCommand(async () => await Exec(async () => { await _device!.设置光标X2位置(CursorX2, Ct()); AppendLog($"X2 光标已设为 {CursorX2} s"); }));
QueryCursorDeltaTCommand = new DelegateCommand(async () => await Exec(async () =>
{
// 设备层已自动提取纯数值并返回 double
MeasuredVpp = await _device!.查询实际电压峰峰值(Channel, Ct());
MeasuredFrequency = await _device!.查询实际频率(Channel, Ct());
MeasuredRms = await _device!.查询实际电压均方根(Channel, Ct());
AppendLog($"C{Channel} 测量结果 → Vpp:{MeasuredVpp:0.######}V Freq:{MeasuredFrequency:0.######}Hz RMS:{MeasuredRms:0.######}V");
CursorDeltaT = await _device!.查询光标X时间差(Ct());
AppendLog($"光标时间差 ΔT = {CursorDeltaT:0.######E+0} s");
}));
// 基本测量（查询前先将测量源切换到当前通道）
QueryVppCommand = new DelegateCommand(async () => await Exec(async () =>
{
MeasuredVpp = await _device!.查询实际电压峰峰值(Channel, Ct());
AppendLog($"C{Channel} Vpp: {MeasuredVpp:0.######} V");
MeasuredVpp = await QuerySimpleValueAsync("PKPK");
AppendLog($"C{Channel} Vpp: {MeasuredVpp:0.######} {ChannelUnit}");
}));
QueryFrequencyCommand = new DelegateCommand(async () => await Exec(async () =>
{
MeasuredFrequency = await _device!.查询实际频率(Channel, Ct());
MeasuredFrequency = await QuerySimpleValueAsync("FREQ");
AppendLog($"C{Channel} Freq: {MeasuredFrequency:0.######} Hz");
}));
QueryRmsCommand = new DelegateCommand(async () => await Exec(async () =>
{
MeasuredRms = await _device!.查询实际电压均方根(Channel, Ct());
AppendLog($"C{Channel} RMS: {MeasuredRms:0.######} V");
MeasuredRms = await QuerySimpleValueAsync("RMS");
AppendLog($"C{Channel} RMS: {MeasuredRms:0.######} {ChannelUnit}");
}));
QueryMeasurementsCommand = new DelegateCommand(async () => await Exec(async () =>
{
await _device!.设置基本测量源(Channel, Ct());
MeasuredVpp = await _device.查询基本测量值("PKPK", Ct());
MeasuredFrequency = await _device.查询基本测量值("FREQ", Ct());
MeasuredRms = await _device.查询基本测量值("RMS", Ct());
AppendLog($"C{Channel} 测量结果 → Vpp:{MeasuredVpp:0.######}{ChannelUnit} Freq:{MeasuredFrequency:0.######}Hz RMS:{MeasuredRms:0.######}{ChannelUnit}");
}));
// 屏幕截图
SaveScreenshotCommand = new DelegateCommand(async () => await Exec(async () =>
{
bool ok = await _device!.获取屏幕图像并保存(SaveFilePath, Ct());
AppendLog(ok ? $"截图已保存：{SaveFilePath}" : "截图获取或保存失败，请检查连接与保存路径。");
}));
Initialize();
@@ -283,6 +384,17 @@ namespace DeviceEditModule.ViewModels
private CancellationToken Ct() => (_cts = new CancellationTokenSource(TimeSpan.FromSeconds(10))).Token;
/// <summary>
/// 将基本测量源切换到当前通道后，查询指定测量项的实时数值。
/// </summary>
/// <param name="type">测量参数名称（如: "PKPK"、"FREQ"、"RMS"）</param>
/// <returns>测量项提取到的实时数值</returns>
private async Task<double> QuerySimpleValueAsync(string type)
{
await _device!.设置基本测量源(Channel, Ct());
return await _device.查询基本测量值(type, Ct());
}
private async Task Exec(Func<Task> action)
{
if (_device == null)
@@ -327,4 +439,4 @@ namespace DeviceEditModule.ViewModels
_cts?.Dispose();
}
}
}
}