feat: add TCP
This commit is contained in:
GukSang.Jin
@@ -1,4 +1,4 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>WinExe</OutputType>
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@@ -12,6 +12,7 @@
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<PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
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<PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.1" />
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<PackageReference Include="MQTTnet" Version="4.3.7.1207" />
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<PackageReference Include="NModbus" Version="3.0.81" />
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<PackageReference Include="System.Net.Http.Json" Version="8.0.1" />
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<PackageReference Include="System.Text.Json" Version="8.0.5" />
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</ItemGroup>
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@@ -7,6 +7,13 @@ public class ConfigurationService
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public int MqttBrokerPort { get; set; } = 1883;
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public string MqttClientId { get; set; } = "PetWashControl";
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// Modbus TCP 配置
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public string ModbusIpAddress { get; set; } = "192.168.1.10";
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public int ModbusPort { get; set; } = 502;
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public byte ModbusSlaveId { get; set; } = 1;
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public int ModbusConnectTimeoutMs { get; set; } = 5000;
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public int ModbusReadTimeoutMs { get; set; } = 3000;
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public int PaymentCheckIntervalSeconds { get; set; } = 2;
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public int WashSimulationSeconds { get; set; } = 10;
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396
PetWashControl/Services/ModbusService.cs
Normal file
396
PetWashControl/Services/ModbusService.cs
Normal file
@@ -0,0 +1,396 @@
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using NModbus;
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using System.Net.Sockets;
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namespace PetWashControl.Services;
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/// <summary>
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/// Modbus TCP 服务，用于与设备进行通信
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/// </summary>
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public class ModbusService : IDisposable
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{
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private readonly ConfigurationService _config;
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private readonly LogService _logger;
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private TcpClient? _tcpClient;
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private IModbusMaster? _modbusMaster;
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private bool _isConnected;
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private readonly object _lockObject = new();
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private System.Timers.Timer? _heartbeatTimer;
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public bool IsConnected
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{
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get
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{
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lock (_lockObject)
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{
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return _isConnected && _tcpClient?.Connected == true;
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}
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}
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}
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public event Action<bool>? ConnectionStatusChanged;
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public ModbusService(ConfigurationService config, LogService logger)
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{
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_config = config;
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_logger = logger;
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}
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/// <summary>
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/// 连接到 Modbus TCP 设备
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/// </summary>
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public async Task<bool> ConnectAsync()
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{
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try
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{
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lock (_lockObject)
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{
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if (_isConnected && _tcpClient?.Connected == true)
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{
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_logger.LogInfo("Modbus TCP 已经连接");
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return true;
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}
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}
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_logger.LogInfo($"正在连接 Modbus TCP 设备: {_config.ModbusIpAddress}:{_config.ModbusPort}");
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// 创建 TCP 客户端
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var tcpClient = new TcpClient
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{
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SendTimeout = _config.ModbusReadTimeoutMs,
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ReceiveTimeout = _config.ModbusReadTimeoutMs
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};
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// 异步连接，带超时控制
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var connectTask = tcpClient.ConnectAsync(_config.ModbusIpAddress, _config.ModbusPort);
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var timeoutTask = Task.Delay(_config.ModbusConnectTimeoutMs);
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var completedTask = await Task.WhenAny(connectTask, timeoutTask);
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if (completedTask == timeoutTask)
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{
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tcpClient.Close();
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throw new TimeoutException($"连接超时 ({_config.ModbusConnectTimeoutMs}ms)");
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}
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if (!tcpClient.Connected)
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{
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throw new Exception("TCP 连接失败");
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}
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// 创建 Modbus Master
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var factory = new ModbusFactory();
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var modbusMaster = factory.CreateMaster(tcpClient);
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// 测试连接 - 读取保持寄存器地址 0
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try
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{
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await Task.Run(() => modbusMaster.ReadHoldingRegisters(_config.ModbusSlaveId, 0, 1));
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_logger.LogInfo("Modbus 设备响应正常");
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}
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catch (Exception ex)
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{
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_logger.LogWarning($"Modbus 设备测试读取失败: {ex.Message}，但连接已建立");
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}
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lock (_lockObject)
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{
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_tcpClient = tcpClient;
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_modbusMaster = modbusMaster;
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_isConnected = true;
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}
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_logger.LogInfo($"Modbus TCP 连接成功: {_config.ModbusIpAddress}:{_config.ModbusPort}");
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// 启动心跳检测
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StartHeartbeat();
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ConnectionStatusChanged?.Invoke(true);
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return true;
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}
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catch (Exception ex)
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{
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_logger.LogError($"Modbus TCP 连接失败", ex);
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lock (_lockObject)
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{
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_isConnected = false;
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}
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ConnectionStatusChanged?.Invoke(false);
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return false;
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}
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}
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/// <summary>
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/// 断开连接
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/// </summary>
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public void Disconnect()
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{
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try
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{
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StopHeartbeat();
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lock (_lockObject)
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{
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if (_tcpClient != null)
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{
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_tcpClient.Close();
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_tcpClient.Dispose();
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_tcpClient = null;
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}
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_modbusMaster?.Dispose();
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_modbusMaster = null;
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_isConnected = false;
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}
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_logger.LogInfo("Modbus TCP 已断开连接");
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ConnectionStatusChanged?.Invoke(false);
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}
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catch (Exception ex)
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{
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_logger.LogError("断开 Modbus TCP 连接时出错", ex);
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}
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}
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/// <summary>
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/// 读取保持寄存器
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/// </summary>
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public async Task<ushort[]> ReadHoldingRegistersAsync(ushort startAddress, ushort numberOfPoints)
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{
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EnsureConnected();
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try
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{
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var result = await Task.Run(() =>
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_modbusMaster!.ReadHoldingRegisters(_config.ModbusSlaveId, startAddress, numberOfPoints));
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_logger.LogInfo($"读取保持寄存器成功: 地址={startAddress}, 数量={numberOfPoints}");
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return result;
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}
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catch (Exception ex)
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{
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_logger.LogError($"读取保持寄存器失败: 地址={startAddress}", ex);
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await HandleConnectionError();
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throw;
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}
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}
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/// <summary>
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/// 读取输入寄存器
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/// </summary>
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public async Task<ushort[]> ReadInputRegistersAsync(ushort startAddress, ushort numberOfPoints)
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{
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EnsureConnected();
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try
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{
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var result = await Task.Run(() =>
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_modbusMaster!.ReadInputRegisters(_config.ModbusSlaveId, startAddress, numberOfPoints));
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_logger.LogInfo($"读取输入寄存器成功: 地址={startAddress}, 数量={numberOfPoints}");
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return result;
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}
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catch (Exception ex)
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{
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_logger.LogError($"读取输入寄存器失败: 地址={startAddress}", ex);
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await HandleConnectionError();
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throw;
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}
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}
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/// <summary>
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/// 写入单个保持寄存器
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/// </summary>
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public async Task WriteSingleRegisterAsync(ushort registerAddress, ushort value)
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{
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EnsureConnected();
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try
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{
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await Task.Run(() =>
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_modbusMaster!.WriteSingleRegister(_config.ModbusSlaveId, registerAddress, value));
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_logger.LogInfo($"写入单个寄存器成功: 地址={registerAddress}, 值={value}");
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}
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catch (Exception ex)
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{
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_logger.LogError($"写入单个寄存器失败: 地址={registerAddress}", ex);
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await HandleConnectionError();
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throw;
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}
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}
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/// <summary>
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/// 写入多个保持寄存器
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/// </summary>
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public async Task WriteMultipleRegistersAsync(ushort startAddress, ushort[] data)
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{
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EnsureConnected();
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try
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{
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await Task.Run(() =>
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_modbusMaster!.WriteMultipleRegisters(_config.ModbusSlaveId, startAddress, data));
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_logger.LogInfo($"写入多个寄存器成功: 地址={startAddress}, 数量={data.Length}");
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}
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catch (Exception ex)
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{
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_logger.LogError($"写入多个寄存器失败: 地址={startAddress}", ex);
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await HandleConnectionError();
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throw;
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}
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}
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/// <summary>
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/// 读取线圈状态
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/// </summary>
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public async Task<bool[]> ReadCoilsAsync(ushort startAddress, ushort numberOfPoints)
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{
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EnsureConnected();
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try
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{
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var result = await Task.Run(() =>
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_modbusMaster!.ReadCoils(_config.ModbusSlaveId, startAddress, numberOfPoints));
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_logger.LogInfo($"读取线圈成功: 地址={startAddress}, 数量={numberOfPoints}");
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return result;
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}
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catch (Exception ex)
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{
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_logger.LogError($"读取线圈失败: 地址={startAddress}", ex);
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await HandleConnectionError();
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throw;
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}
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}
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/// <summary>
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/// 写入单个线圈
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/// </summary>
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public async Task WriteSingleCoilAsync(ushort coilAddress, bool value)
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{
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EnsureConnected();
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try
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{
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await Task.Run(() =>
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_modbusMaster!.WriteSingleCoil(_config.ModbusSlaveId, coilAddress, value));
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_logger.LogInfo($"写入单个线圈成功: 地址={coilAddress}, 值={value}");
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}
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catch (Exception ex)
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{
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_logger.LogError($"写入单个线圈失败: 地址={coilAddress}", ex);
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await HandleConnectionError();
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throw;
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}
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}
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/// <summary>
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/// 写入多个线圈
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/// </summary>
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public async Task WriteMultipleCoilsAsync(ushort startAddress, bool[] data)
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{
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EnsureConnected();
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try
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{
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await Task.Run(() =>
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_modbusMaster!.WriteMultipleCoils(_config.ModbusSlaveId, startAddress, data));
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_logger.LogInfo($"写入多个线圈成功: 地址={startAddress}, 数量={data.Length}");
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}
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catch (Exception ex)
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{
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_logger.LogError($"写入多个线圈失败: 地址={startAddress}", ex);
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await HandleConnectionError();
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throw;
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}
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}
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/// <summary>
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/// 启动心跳检测
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/// </summary>
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private void StartHeartbeat()
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{
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StopHeartbeat();
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_heartbeatTimer = new System.Timers.Timer(10000); // 每10秒检测一次
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_heartbeatTimer.Elapsed += async (s, e) =>
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{
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try
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{
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if (!IsConnected)
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{
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_logger.LogWarning("心跳检测: 连接已断开，尝试重连...");
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await ConnectAsync();
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}
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else
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{
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// 尝试读取一个寄存器来验证连接
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await ReadHoldingRegistersAsync(0, 1);
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}
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}
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catch (Exception ex)
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{
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_logger.LogError("心跳检测失败", ex);
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await HandleConnectionError();
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}
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};
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_heartbeatTimer.Start();
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_logger.LogInfo("Modbus 心跳检测已启动");
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}
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/// <summary>
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/// 停止心跳检测
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/// </summary>
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private void StopHeartbeat()
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{
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if (_heartbeatTimer != null)
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{
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_heartbeatTimer.Stop();
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_heartbeatTimer.Dispose();
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_heartbeatTimer = null;
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_logger.LogInfo("Modbus 心跳检测已停止");
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}
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}
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/// <summary>
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/// 处理连接错误
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/// </summary>
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private async Task HandleConnectionError()
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{
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lock (_lockObject)
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{
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if (_isConnected)
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{
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_isConnected = false;
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ConnectionStatusChanged?.Invoke(false);
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}
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}
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_logger.LogWarning("检测到连接错误，尝试重新连接...");
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// 尝试重新连接
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await Task.Delay(2000);
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await ConnectAsync();
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}
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/// <summary>
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/// 确保已连接
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/// </summary>
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private void EnsureConnected()
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{
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if (!IsConnected)
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{
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throw new InvalidOperationException("Modbus TCP 未连接，请先调用 ConnectAsync()");
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}
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}
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public void Dispose()
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{
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Disconnect();
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}
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}
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@@ -24,6 +24,7 @@ public partial class MainViewModel : ObservableObject
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{
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private readonly ApiService _apiService;
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private readonly MqttClientService _mqttService;
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private readonly ModbusService _modbusService;
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private readonly ConfigurationService _config;
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private readonly LogService _logger;
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@@ -50,6 +51,9 @@ public partial class MainViewModel : ObservableObject
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[ObservableProperty]
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private bool _isConnected;
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[ObservableProperty]
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private bool _isModbusConnected;
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[ObservableProperty]
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private string _currentView = "Idle";
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@@ -141,7 +145,10 @@ public partial class MainViewModel : ObservableObject
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_logger = new LogService();
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_apiService = new ApiService(_config);
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_mqttService = new MqttClientService(_config);
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_modbusService = new ModbusService(_config, _logger);
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_mqttService.MessageReceived += OnMqttMessageReceived;
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_modbusService.ConnectionStatusChanged += OnModbusConnectionStatusChanged;
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// 从配置加载时间参数
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FirstSprayWaterTime = _config.FirstSprayWaterTime;
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@@ -204,19 +211,43 @@ public partial class MainViewModel : ObservableObject
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{
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_logger.LogInfo("开始初始化系统...");
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// 连接 Modbus TCP 设备
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_logger.LogInfo($"正在连接 Modbus TCP 设备: {_config.ModbusIpAddress}:{_config.ModbusPort}");
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var modbusConnected = await _modbusService.ConnectAsync();
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IsModbusConnected = modbusConnected;
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if (modbusConnected)
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{
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_logger.LogInfo("Modbus TCP 设备连接成功");
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}
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else
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{
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_logger.LogWarning("Modbus TCP 设备连接失败，系统将继续运行但设备控制功能可能不可用");
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}
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// 连接 MQTT
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await _mqttService.ConnectAsync();
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IsConnected = _mqttService.IsConnected;
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_logger.LogInfo("MQTT连接成功");
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await LoadPackagesAsync();
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StatusMessage = "系统就绪，请点击开始";
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|
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if (IsModbusConnected)
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{
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StatusMessage = "系统就绪，设备已连接";
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}
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else
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{
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StatusMessage = "系统就绪，设备未连接";
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}
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_logger.LogInfo("系统初始化完成");
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}
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catch (Exception ex)
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{
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_logger.LogError("初始化失败", ex);
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StatusMessage = $"初始化失败: {ex.Message}";
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MessageBox.Show($"系统初始化失败，请检查后端服务是否启动。\n\n错误: {ex.Message}",
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MessageBox.Show($"系统初始化失败，请检查后端服务和设备连接。\n\n错误: {ex.Message}",
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"错误", MessageBoxButton.OK, MessageBoxImage.Error);
|
||||
}
|
||||
}
|
||||
@@ -755,6 +786,31 @@ public partial class MainViewModel : ObservableObject
|
||||
});
|
||||
}
|
||||
|
||||
private void OnModbusConnectionStatusChanged(bool isConnected)
|
||||
{
|
||||
Application.Current.Dispatcher.Invoke(() =>
|
||||
{
|
||||
IsModbusConnected = isConnected;
|
||||
|
||||
if (isConnected)
|
||||
{
|
||||
_logger.LogInfo("Modbus TCP 设备已连接");
|
||||
if (StatusMessage.Contains("设备未连接"))
|
||||
{
|
||||
StatusMessage = "系统就绪，设备已连接";
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
_logger.LogWarning("Modbus TCP 设备连接断开");
|
||||
if (!StatusMessage.Contains("失败") && !StatusMessage.Contains("错误"))
|
||||
{
|
||||
StatusMessage = "警告：设备连接断开";
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
private void UpdateTemperatures(string stepName, int currentTime, int totalTime)
|
||||
{
|
||||
// 根据不同步骤模拟温度变化
|
||||
|
||||
Reference in New Issue
Block a user