105 lines
4.2 KiB
C#
105 lines
4.2 KiB
C#
using System;
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using SimpleCore.Library;
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using StandardScene.Signal.Model;
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namespace StandardScene.Signal.Plc
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{
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/// <summary>
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/// 单个机构的运行态（不进 JSON）。扫车线程改写目标写字节，PLC Worker 负责真正下发。
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/// </summary>
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/// <remarks>
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/// 赋值 <see cref="WriteSignal"/> 会把 <see cref="WriteSuccess"/> 置 false，下一拍 Worker 发现
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/// 目标与回读不一致就会重写 PLC。回读与目标一致后再标成功，AutoLeave 才继续往下一状态走。
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/// 所有读写应在 <see cref="Sync"/> 内进行。
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/// </remarks>
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public sealed class PlcStationRuntime
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{
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private SignalWriteValue _writeSignal;
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private SignalReadValue _readSignal;
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private SignalWriteValue _readWriteSignal;
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public PlcStationRuntime(PlcStationModel config)
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{
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Config = config ?? throw new ArgumentNullException(nameof(config));
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}
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/// <summary>本机构静态配置（IP、DB 地址、地标、机构类型）。</summary>
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public PlcStationModel Config { get; }
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/// <summary>扫车线程与 PLC Worker 共用运行态，写入时加此锁。</summary>
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public object Sync { get; } = new object();
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/// <summary>PLC→调度：允许进入 / 允许离开 / 无状态。变化时打诊断。</summary>
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public SignalReadValue ReadSignal
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{
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get => _readSignal;
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set
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{
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if (_readSignal != value)
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Diagnosis.Log($"{Config.JgName} 读信号 {_readSignal} → {value}", "PLC", true);
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_readSignal = value;
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}
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}
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/// <summary>
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/// 调度→PLC 的目标写字节。赋值即视为尚未写成功，驱动 Worker 重写。
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/// </summary>
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public SignalWriteValue WriteSignal
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{
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get => _writeSignal;
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set
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{
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if (_writeSignal != value)
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Diagnosis.Log($"{Config.JgName} 写信号 {_writeSignal} → {value}", "PLC", true);
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_writeSignal = value;
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WriteSuccess = false;
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}
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}
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/// <summary>从写地址回读到的当前值，用来确认 PLC 是否已吃进目标字节。</summary>
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public SignalWriteValue ReadWriteSignal
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{
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get => _readWriteSignal;
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set
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{
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if (_readWriteSignal != value)
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Diagnosis.Log($"{Config.JgName} 回读写值 {_readWriteSignal} → {value}", "PLC", true);
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_readWriteSignal = value;
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}
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}
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/// <summary>已报到在机构内的 AGV 号；0 表示没有。Arrived / 上线自动到位 时写入。</summary>
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public int InAgvNo { get; set; }
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/// <summary>已获准进入、正在往机构开的 AGV 号；到位或离站清空后为 0。</summary>
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public int RequestInAgvNo { get; set; }
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/// <summary>最近一拍 PLC 读写是否成功。心跳或读写失败会立刻变 false。</summary>
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public bool IsConnected { get; set; }
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/// <summary>目标写字节是否已与 PLC 回读一致。改 WriteSignal 时自动清掉。</summary>
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public bool WriteSuccess { get; set; }
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/// <summary>内存侧心跳翻转标志，供监视面板看到 Worker 在跑；真正写 PLC 的是 HeartDb 位翻转。</summary>
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public bool Heart { get; set; }
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/// <summary>最近一次断线或周期异常原因，连接正常时清空。</summary>
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public string LastError { get; set; } = "";
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/// <summary>拷贝一份给 MissionStatus / 监视列表，避免 UI 直接绑运行态。</summary>
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public PlcStationSnapshot ToSnapshot() => new PlcStationSnapshot
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{
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JgName = Config.JgName,
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IsConnected = IsConnected,
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ReadSignal = ReadSignal.ToString(),
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WriteSignal = WriteSignal.ToString(),
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ReadWriteSignal = ReadWriteSignal.ToString(),
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InAgvNo = InAgvNo,
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RequestInAgvNo = RequestInAgvNo,
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WriteSuccess = WriteSuccess,
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Heart = Heart,
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LastError = LastError ?? ""
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};
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}
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}
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