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using Mirle.Component.MPLC.DataBlocks; using Mirle.Component.MPLC.Interfaces; using System.Collections.Generic;
namespace Mirle.Component.MPLC.SharedMemory { /// <summary>
/// 共享記憶體讀取
/// </summary>
public class SMReadWriter : IMPLCProvider { /// <summary>
/// 建構式
/// </summary>
public SMReadWriter() { } /// <summary>
/// 資料區塊
/// </summary>
protected readonly List<SMDataBlock> _dataBlocks = new List<SMDataBlock>(); /// <summary>
/// 是否連線
/// </summary>
public bool IsConnected => true; /// <summary>
/// 新增資料區塊
/// </summary>
/// <param name="newDataBlock">共享記憶體資料區塊</param>
public virtual void AddDataBlock(SMDataBlock newDataBlock) { _dataBlocks.Add(newDataBlock); } /// <summary>
/// 取得位元
/// </summary>
/// <param name="address">位置</param>
/// <returns>True/False</returns>
public virtual bool GetBit(string address) { foreach (SMDataBlock block in _dataBlocks) { if (block.TryGetBit(address, out bool value)) return value; } return false; } /// <summary>
/// 設置位元開啟
/// </summary>
/// <param name="address">位置</param>
public virtual void SetBitOn(string address) { foreach (SMDataBlock block in _dataBlocks) { if (block.TrySetBitOn(address)) return; } } /// <summary>
/// 設置位元關閉
/// </summary>
/// <param name="address">位置</param>
public virtual void SetBitOff(string address) { foreach (SMDataBlock block in _dataBlocks) { if (block.TrySetBitOff(address)) return; } } /// <summary>
/// 讀取字元
/// </summary>
/// <param name="address">位置</param>
/// <returns>字元</returns>
public virtual int ReadWord(string address) { foreach (SMDataBlock block in _dataBlocks) { if (block.TryGetWord(address, out int value)) return value; } return 0; } /// <summary>
/// 寫入字元
/// </summary>
/// <param name="address">位置</param>
/// <param name="data">字元</param>
public virtual void WriteWord(string address, int data) { foreach (SMDataBlock block in _dataBlocks) { if (block.TrySetWord(address, data)) return; } } /// <summary>
/// 讀取多個字元
/// </summary>
/// <param name="startAddress">起始位置</param>
/// <param name="length">長度</param>
/// <returns>字元陣列</returns>
public virtual int[] ReadWords(string startAddress, int length) { foreach (SMDataBlock block in _dataBlocks) { if (block.TryGetWords(startAddress, out int[] data, length)) return data; } return new int[length]; } /// <summary>
/// 寫入多個字元
/// </summary>
/// <param name="startAddress">起始位置</param>
/// <param name="data">字元陣列</param>
public virtual void WriteWords(string startAddress, int[] data) { foreach (SMDataBlock block in _dataBlocks) { if (block.TrySetWords(startAddress, data)) return; } } } }
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