90 lines
3.3 KiB
C#
90 lines
3.3 KiB
C#
using ASTM_D7896_Tester.Models;
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using ASTM_D7896_Tester.Services;
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using ASTM_D7896_Tester.Views;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using System;
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using System.Threading.Tasks;
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using System.Windows;
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using static ASTM_D7896_Tester.Models.TestParameters;
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namespace ASTM_D7896_Tester.ViewModels;
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public partial class ConfigViewModel : ObservableObject
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{
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[ObservableProperty]
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private float _pressureCoefficient;
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[ObservableProperty]
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private float _pressureProtection;
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[ObservableProperty]
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private float _temperatureCoefficient;
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[ObservableProperty]
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private float _resistanceCoefficient;
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private readonly IPlcService _plcService;
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private readonly AppConfig _coefficientAddresses;
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public ConfigViewModel()
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{
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// 从 App 静态属性获取 PLC 服务和系数寄存器地址
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_plcService = ASTM_D7896_Tester.App.PlcService;
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_coefficientAddresses = ASTM_D7896_Tester.App.PlcConfig;
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// 窗口打开时加载一次
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LoadFromPlc();
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}
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private async void LoadFromPlc()
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{
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try
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{
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PressureCoefficient = await _plcService.ReadFloatAsync(_coefficientAddresses.TestParameters.CalibrationCoefficients.PressureCoefficient);
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PressureProtection = await _plcService.ReadFloatAsync(_coefficientAddresses.TestParameters.CalibrationCoefficients.PressureProtection);
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TemperatureCoefficient = await _plcService.ReadFloatAsync(_coefficientAddresses.TestParameters.CalibrationCoefficients.TemperatureCoefficient);
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ResistanceCoefficient = await _plcService.ReadFloatAsync(_coefficientAddresses.TestParameters.CalibrationCoefficients.ResistanceCoefficient);
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}
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catch (Exception ex)
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{
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MessageBox.Show($"从 PLC 读取系数失败：{ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
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}
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}
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//public IAsyncRelayCommand SaveCommand => new AsyncRelayCommand(Save);
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[RelayCommand]
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private async Task Save()
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{
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try
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{
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// 写入 PLC（使用 WriteMultipleRegistersAsync，该方法支持 float）
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await _plcService.WriteMultipleRegistersAsync(_coefficientAddresses.TestParameters.CalibrationCoefficients.PressureCoefficient, PressureCoefficient);
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await _plcService.WriteMultipleRegistersAsync(_coefficientAddresses.TestParameters.CalibrationCoefficients.PressureProtection, PressureProtection);
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await _plcService.WriteMultipleRegistersAsync(_coefficientAddresses.TestParameters.CalibrationCoefficients.TemperatureCoefficient, TemperatureCoefficient);
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await _plcService.WriteMultipleRegistersAsync(_coefficientAddresses.TestParameters.CalibrationCoefficients.ResistanceCoefficient, ResistanceCoefficient);
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MessageBox.Show("系数已保存到 PLC。", "成功", MessageBoxButton.OK, MessageBoxImage.Information);
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CloseWindow();
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}
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catch (Exception ex)
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{
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MessageBox.Show($"保存失败：{ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
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}
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}
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[RelayCommand]
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private void Cancel()
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{
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CloseWindow();
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}
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private void CloseWindow()
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{
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Application.Current.Windows.OfType<ConfigWindow>().FirstOrDefault()?.Close();
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}
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} |