using HslCommunication.Profinet.Siemens;
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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namespace PLCHelper
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{
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public class BoolReader
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{
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private bool lastVallue = false;
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private string Address = string.Empty;
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private int Timeout = 1000;
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private SiemensS7Net client;
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private volatile bool isRunning = false;
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public event EventHandler<DataChangedArg<bool>> DataChanged;
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public BoolReader(SiemensS7Net client, string address, bool initValue = false)
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{
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this.client = client;
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this.Address = address;
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this.lastVallue = initValue;
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}
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public void Stop()
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{
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isRunning = false;
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}
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public void Run()
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{
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isRunning = true;
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Task.Run(() =>
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{
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while (isRunning)
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{
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var res = client.ReadBool(Address);
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if (res.IsSuccess)
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{
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bool val = res.Content;
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if (val != lastVallue)
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{
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DataChanged?.Invoke(this, new DataChangedArg<bool>
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{
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oldValue = lastVallue,
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newValue = val
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});
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lastVallue = val;
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}
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}
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Thread.Sleep(Timeout);
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}
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});
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}
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}
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}
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