Files
HeadgearViewingRange3M/Views/ParameterWindow.xaml.cs
2026-03-24 20:40:26 +08:00

186 lines
8.6 KiB
C#
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using MembranePoreTester.Communication;
using MembranePoreTester.ViewModels;
using System;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Threading;
namespace MembranePoreTester.Views
{
public partial class ParameterWindow : Window
{
private readonly IPlcService _plcService;
private readonly PlcConfiguration _config;
private DispatcherTimer _autoRefreshTimer;
private bool _isEditing = false; // 用户是否正在编辑任何文本框
public ParameterWindow()
{
InitializeComponent();
_plcService = App.PlcService;
_config = App.PlcConfig;
// 为所有文本框注册焦点事件在XAML中设置事件或在此处统一查找
RegisterTextBoxEvents();
Loaded += async (s, e) =>
{
// 启动自动刷新定时器每秒1次
_autoRefreshTimer = new DispatcherTimer
{
Interval = TimeSpan.FromSeconds(1)
};
_autoRefreshTimer.Tick += AutoRefreshTimer_Tick;
_autoRefreshTimer.Start();
// 首次加载时读取一次
await ReadParametersAsync();
};
Closed += (s, e) => _autoRefreshTimer?.Stop();
}
/// <summary>
/// 为所有文本框注册焦点事件,用于检测编辑状态
/// </summary>
private void RegisterTextBoxEvents()
{
// 查找当前窗口中所有文本框(可根据实际布局调整)
var textBoxes = FindVisualChildren<System.Windows.Controls.TextBox>(this);
foreach (var tb in textBoxes)
{
tb.GotFocus += (s, e) => _isEditing = true;
tb.LostFocus += (s, e) => _isEditing = false;
}
}
/// <summary>
/// 定时器事件:如果用户未在编辑,则刷新参数
/// </summary>
private async void AutoRefreshTimer_Tick(object sender, EventArgs e)
{
if (!_isEditing)
{
await ReadParametersAsync();
}
}
private async Task ReadParametersAsync()
{
try
{
// 加压控制
txtPressureUpper.Text = (await ReadFloatAsync(_config.PressureUpperLimit)).ToString("F3");
txtPressureRate.Text = (await ReadFloatAsync(_config.PressureRate)).ToString("F3");
txtPressureCoeff.Text = (await ReadFloatAsync(_config.PressureCoeff)).ToString("F3");
// 高压/低压系数
txtHPCoeff1.Text = (await ReadFloatAsync(_config.HPCoeff1)).ToString("F3");
txtLPCoeff1.Text = (await ReadFloatAsync(_config.LPCoeff1)).ToString("F3");
txtHPCoeff2.Text = (await ReadFloatAsync(_config.HPCoeff2)).ToString("F3");
txtLPCoeff2.Text = (await ReadFloatAsync(_config.LPCoeff2)).ToString("F3");
txtHPCoeff3.Text = (await ReadFloatAsync(_config.HPCoeff3)).ToString("F3");
txtLPCoeff3.Text = (await ReadFloatAsync(_config.LPCoeff3)).ToString("F3");
// 流量系数
txtLargeFlow1.Text = (await ReadFloatAsync(_config.LargeFlowCoeff1)).ToString("F3");
txtSmallFlow1.Text = (await ReadFloatAsync(_config.SmallFlowCoeff1)).ToString("F3");
txtLargeFlow2.Text = (await ReadFloatAsync(_config.LargeFlowCoeff2)).ToString("F3");
txtSmallFlow2.Text = (await ReadFloatAsync(_config.SmallFlowCoeff2)).ToString("F3");
txtLargeFlow3.Text = (await ReadFloatAsync(_config.LargeFlowCoeff3)).ToString("F3");
txtSmallFlow3.Text = (await ReadFloatAsync(_config.SmallFlowCoeff3)).ToString("F3");
// 校准参数
txtPressureZero.Text = (await ReadFloatAsync(_config.PressureCalibZero)).ToString("F3");
txtPressureSpan.Text = (await ReadFloatAsync(_config.PressureCalibSpan)).ToString("F3");
txtFlowZero.Text = (await ReadFloatAsync(_config.FlowCalibZero)).ToString("F3");
txtFlowSpan.Text = (await ReadFloatAsync(_config.FlowCalibSpan)).ToString("F3");
}
catch (Exception ex)
{
// 静默处理,避免频繁弹窗干扰(可记录日志)
System.Diagnostics.Debug.WriteLine($"自动读取参数失败: {ex.Message}");
}
}
private async void WriteParameters_Click(object sender, RoutedEventArgs e)
{
try
{
// 加压控制
await WriteFloatAsync(_config.PressureUpperLimit, ParseFloat(txtPressureUpper.Text));
await WriteFloatAsync(_config.PressureRate, ParseFloat(txtPressureRate.Text));
await WriteFloatAsync(_config.PressureCoeff, ParseFloat(txtPressureCoeff.Text));
// 高压/低压系数
await WriteFloatAsync(_config.HPCoeff1, ParseFloat(txtHPCoeff1.Text));
await WriteFloatAsync(_config.LPCoeff1, ParseFloat(txtLPCoeff1.Text));
await WriteFloatAsync(_config.HPCoeff2, ParseFloat(txtHPCoeff2.Text));
await WriteFloatAsync(_config.LPCoeff2, ParseFloat(txtLPCoeff2.Text));
await WriteFloatAsync(_config.HPCoeff3, ParseFloat(txtHPCoeff3.Text));
await WriteFloatAsync(_config.LPCoeff3, ParseFloat(txtLPCoeff3.Text));
// 流量系数
await WriteFloatAsync(_config.LargeFlowCoeff1, ParseFloat(txtLargeFlow1.Text));
await WriteFloatAsync(_config.SmallFlowCoeff1, ParseFloat(txtSmallFlow1.Text));
await WriteFloatAsync(_config.LargeFlowCoeff2, ParseFloat(txtLargeFlow2.Text));
await WriteFloatAsync(_config.SmallFlowCoeff2, ParseFloat(txtSmallFlow2.Text));
await WriteFloatAsync(_config.LargeFlowCoeff3, ParseFloat(txtLargeFlow3.Text));
await WriteFloatAsync(_config.SmallFlowCoeff3, ParseFloat(txtSmallFlow3.Text));
// 校准参数
await WriteFloatAsync(_config.PressureCalibZero, ParseFloat(txtPressureZero.Text));
await WriteFloatAsync(_config.PressureCalibSpan, ParseFloat(txtPressureSpan.Text));
await WriteFloatAsync(_config.FlowCalibZero, ParseFloat(txtFlowZero.Text));
await WriteFloatAsync(_config.FlowCalibSpan, ParseFloat(txtFlowSpan.Text));
MessageBox.Show("参数写入成功");
}
catch (Exception ex)
{
MessageBox.Show($"写入参数失败: {ex.Message}");
}
}
private float ParseFloat(string text) => float.TryParse(text, out var val) ? val : 0;
private async Task<float> ReadFloatAsync(ushort address)
{
var registers = await ((ModbusTcpPlcService)_plcService).ReadHoldingRegistersAsync(address, 2);
byte[] bytes = new byte[4];
bytes[0] = (byte)(registers[0] >> 8);
bytes[1] = (byte)(registers[0] & 0xFF);
bytes[2] = (byte)(registers[1] >> 8);
bytes[3] = (byte)(registers[1] & 0xFF);
if (BitConverter.IsLittleEndian) Array.Reverse(bytes);
return BitConverter.ToSingle(bytes, 0);
}
private async Task WriteFloatAsync(ushort address, float value)
{
byte[] bytes = BitConverter.GetBytes(value);
if (BitConverter.IsLittleEndian) Array.Reverse(bytes);
ushort high = (ushort)((bytes[0] << 8) | bytes[1]);
ushort low = (ushort)((bytes[2] << 8) | bytes[3]);
await ((ModbusTcpPlcService)_plcService).WriteRegisterAsync(address, high);
await ((ModbusTcpPlcService)_plcService).WriteRegisterAsync((ushort)(address + 1), low);
}
private void Close_Click(object sender, RoutedEventArgs e) => Close();
/// <summary>
/// 辅助方法:查找视觉树中的所有指定类型子元素
/// </summary>
private static IEnumerable<T> FindVisualChildren<T>(DependencyObject depObj) where T : DependencyObject
{
if (depObj == null) yield break;
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(depObj); i++)
{
var child = VisualTreeHelper.GetChild(depObj, i);
if (child is T t) yield return t;
foreach (var childOfChild in FindVisualChildren<T>(child)) yield return childOfChild;
}
}
}
}