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708 lines
27 KiB
708 lines
27 KiB
using DataService;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Globalization;
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using System.IO;
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using System.IO.Ports;
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using System.Net;
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using System.Text;
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namespace PanasonicPLCriver
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{
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[Description("松下协议串口通讯")]
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public class PanasonicSerialReader : IPLCDriver, IMultiReadWrite
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{
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private SerialPort _serialPort;
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List<IGroup> _grps = new List<IGroup>();
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public IEnumerable<IGroup> Groups
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{
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get { return _grps; }
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}
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IDataServer _server;
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public IDataServer Parent
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{
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get { return _server; }
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}
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#region 本程序不会用到的方法
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short _id;
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public short ID
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{
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get
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{
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return _id;
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}
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}
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public string GetAddress(DeviceAddress address)
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{
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return string.Empty;
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}
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#endregion
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public PanasonicSerialReader(IDataServer server, short id, string name, string ip, int timeOut = 500, string spare1 = null, string spare2 = null)
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{
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_server = server;
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_id = id;
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//spare1 = {COM3,9600,Odd,8,One}
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_serialPort = new SerialPort("COM2",57600,Parity.Odd,8,StopBits.One);
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_devId = byte.Parse(spare2);
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}
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public bool IsClosed
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{
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get
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{
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return _serialPort.IsOpen == false;
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}
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}
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public int Limit
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{
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get { return 60; }//应该是读取最大数的上限吧
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}
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public string Name
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{
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get
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{
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throw new NotImplementedException();
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}
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}
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public int PDU
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{
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get
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{
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return 256;//每帧最大字节数
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}
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}
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string _port;
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public string ServerName
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{
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get { return _port; }
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set { _port = value; }
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}
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private int _timeOut;
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private byte _devId;
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public int TimeOut
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{
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get { return _timeOut; }
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set { _timeOut = value; }
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}
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public event ShutdownRequestEventHandler OnClose;
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public IGroup AddGroup(string name, short id, int updateRate, float deadBand = 0, bool active = false)
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{
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PanasonicGroup grp = new PanasonicGroup(id, name, updateRate, active, this);
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_grps.Add(grp);
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return grp;
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}
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public bool Connect()
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{
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try
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{
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_serialPort.Open();
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_serialPort.NewLine = "\r";
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_serialPort.ReadTimeout = 10000;
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return true;
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}
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catch (IOException error)
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{
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if (OnClose != null)
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{
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OnClose(this, new ShutdownRequestEventArgs(error.Message));
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}
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return false;
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}
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}
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public void Dispose()
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{
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foreach (IGroup grp in _grps)
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{
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grp.Dispose();
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}
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_grps.Clear();
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_serialPort.Close();
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}
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private bool isBool(string area)
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{
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if (area == "X" || area == "Y" || area == "R" || area == "T" || area == "C")
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return true;
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else
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return false;
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}
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private bool isBool(int area)
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{
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if (area == Panasonic.Xarea || area == Panasonic.Yarea || area == Panasonic.Rarea || area == Panasonic.Tarea || area == Panasonic.Carea)
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return true;
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else
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return false;
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}
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public DeviceAddress GetDeviceAddress(string address)
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{
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DeviceAddress dv = DeviceAddress.Empty;
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if (string.IsNullOrEmpty(address))
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return dv;
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string area = address.Substring(0, 1);
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if (!isBool(area))//如果输入的不是单触点寄存器地址
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{
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int st;
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int.TryParse(address.Substring(2), out st);
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dv.Start = st;
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switch (address.Substring(0, 2))
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{
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case "DT":
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dv.Area = Panasonic.DTarea;
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break;
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case "SV":
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dv.Area = Panasonic.SVarea;
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break;
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case "EV":
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dv.Area = Panasonic.EVarea;
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break;
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case "IX":
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dv.Area = Panasonic.IXarea;
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break;
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case "IY":
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dv.Area = Panasonic.IYarea;
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break;
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case "WX":
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dv.Area = Panasonic.WXarea;
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break;
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case "WY":
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dv.Area = Panasonic.WYarea;
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break;
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case "WR":
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dv.Area = Panasonic.WRarea;
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break;
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}
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}
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else//输入的是布尔量 如R10.4 但在PLC那端定义位R104 R10.A 在PLC哪里就是..
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{
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int index = address.IndexOf('.');
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if (index > 0)// index = 3
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{
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string start = address.Substring(1, index - 1);
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string bit = address.Substring(index + 1);
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dv.Start = int.Parse(start);//10
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dv.Bit = byte.Parse(bit, NumberStyles.HexNumber);//4
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}
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else //index = -1 用户输入了R104 就认为是R104.0
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dv.Start = int.Parse(address.Substring(1));
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switch (address.Substring(0, 1))
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{
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case "X":
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dv.Area = Panasonic.Xarea;
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break;
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case "Y":
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dv.Area = Panasonic.Yarea;
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break;
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case "R":
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dv.Area = Panasonic.Rarea;
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break;
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case "T":
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dv.Area = Panasonic.Tarea;
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break;
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case "C":
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dv.Area = Panasonic.Carea;
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break;
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}
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}
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return dv;
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}
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#region 实现了四个命令 其余没有做
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/// <summary>
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/// 按字单位读取触点状态 从0-999
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/// 如果是读取R100.4 和R101.5就是CreateRCCCmd(100, 2,Panasonic.Rarea,out respBeginStr)
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/// 然后从读来的16位数中获取需要的位
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/// </summary>
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/// <returns></returns>
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private string CreateRCCCmd(int start, ushort size, int areaType, out string respBeginStr)
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{
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string area = string.Empty;
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switch (areaType)
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{
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case Panasonic.Xarea:
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area = "X";
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break;
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case Panasonic.Yarea:
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area = "Y";
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break;
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case Panasonic.Rarea:
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area = "R";
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break;
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case Panasonic.Carea:
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area = "C";
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break;
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}
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respBeginStr = "<" + IntTo2Hex(_devId) + "$" + "RC" + area;
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string readCmd = "<" + IntTo2Hex(_devId) + "#" + Panasonic.RCCCmd + area + IntTo4Bcd(start) + IntTo4Bcd(start + size - 1);
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readCmd = readCmd + Utility.XorCheck(readCmd) + "\r";
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return readCmd;
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}
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/// <summary>
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/// 创建写入单触点状态命令
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/// </summary>
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/// <param name="start">开始地址</param>
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/// <param name="bit">位索引</param>
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/// <param name="areaType">触点类型：X，Y，R，C</param>
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/// <param name="value">写入的值</param>
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/// <param name="respBeginStr">响应的开始帧</param>
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private string CreateWCSCmd(int start, int bit, int areaType, bool value, out string respBeginStr)
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{
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string area = string.Empty;
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switch (areaType)
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{
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case Panasonic.Xarea:
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area = "X";
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break;
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case Panasonic.Yarea:
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area = "Y";
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break;
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case Panasonic.Rarea:
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area = "R";
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break;
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case Panasonic.Carea:
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area = "C";
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break;
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}
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string bcdStart = IntTo3Bcd(start);
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string hexBit = bit.ToString("X");
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string strData = area + bcdStart + hexBit + (value ? "1" : "0");
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respBeginStr = "<" + IntTo2Hex(_devId) + "$" + "WC";
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string readCmd = "<" + IntTo2Hex(_devId) + "#" + Panasonic.WCSCmd + strData;
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readCmd = readCmd + Utility.XorCheck(readCmd) + "\r";
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return readCmd;
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}
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/// <summary>
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/// 读取多个寄存器 只支持DT寄存器
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/// </summary>
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/// <param name="start">开始地址</param>
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/// <param name="size">寄存器个数</param>
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/// <param name="respBeginStr">响应的开始帧</param>
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/// <returns></returns>
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private string CreateRDCmd(int start, ushort size, out string respBeginStr)
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{
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respBeginStr = "<" + IntTo2Hex(_devId) + "$" + "RD";
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string readCmd = "<" + IntTo2Hex(_devId) + "#" + Panasonic.RDCmd + "D" + IntTo5Bcd(start) + IntTo5Bcd(start + size - 1);
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readCmd = readCmd + Utility.XorCheck(readCmd) + "\r";
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return readCmd;
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}
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/// <summary>
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/// 写入连续一块区域寄存器
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/// </summary>
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/// <param name="start">开始地址</param>
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/// <param name="size">寄存器个数(最小是1)</param>
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/// <param name="values">写入的值</param>
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/// <param name="respBeginStr">响应的开始帧</param>
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/// <returns></returns>
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public string CreateWDCmd(int start, short[] values, out string respBeginStr)
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{
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string dataStr = string.Empty;
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int size = values.Length;
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for (int i = 0; i < size; i++)
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{
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UInt16 value = Utility.ReverseInt16(values[i]);
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dataStr = dataStr + IntTo4Hex(value);
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}
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respBeginStr = "<" + IntTo2Hex(_devId) + "$" + Panasonic.WDCmd;
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string readCmd = "<" + IntTo2Hex(_devId) + "#" + Panasonic.WDCmd + "D" + IntTo5Bcd(start) + IntTo5Bcd(start + size - 1) + dataStr;
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readCmd = readCmd + Utility.XorCheck(readCmd) + "\r";
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return readCmd;
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}
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#endregion
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/// <summary>
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/// 读取多个字 松下只能读取16位数读取，不支持32位，浮点和字符串
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/// 如果是读取数据寄存器的值的话，读取的是4字符16位数
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/// 读来的数据比如是3124H 那么真实值应该是2431H 最大值为FFFFH
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/// </summary>
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/// <param name="startAddress">开始的地址</param>
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/// <param name="size">个数</param>
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/// <returns></returns>
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public byte[] ReadBytes(DeviceAddress startAddress, ushort size)
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{
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string respBeginStr;
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string cmd;
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try
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{
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if (!isBool(startAddress.Area))//读寄存器的情况
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{
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cmd = CreateRDCmd(startAddress.Start,size,out respBeginStr);
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}
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else //读触点的情况
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{
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cmd = CreateRCCCmd(startAddress.Start, size, startAddress.Area, out respBeginStr);
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}
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return WriteSyncData(respBeginStr, cmd);
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}
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catch (Exception e)
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{
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OnClose?.Invoke(this, new ShutdownRequestEventArgs(e.Message));
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return null;
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}
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}
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private static readonly object syncLock = new Object();
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private byte[] WriteSyncData(string respBeginStr, string cmd)
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{
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byte[] writeData = Encoding.Default.GetBytes(cmd);
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string recv = string.Empty;
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lock (syncLock)//这里加锁 防止一个刚写完还没全读来 另一就去写
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//但这就会造成锁死的情况 比如循环读的时候 触发去写 这时候必须要等读完才能去写
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{
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_serialPort.Write(writeData, 0, writeData.Length);
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try
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{
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recv = _serialPort.ReadLine().Trim();
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}
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catch (Exception)
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{
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OnClose?.Invoke(this, new ShutdownRequestEventArgs("读取超时"));
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return null;
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}
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}
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if (recv.Substring(3, 1) == "!")//返回为错误代码
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{
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string err = recv.Substring(4, 2);
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OnClose?.Invoke(this, new ShutdownRequestEventArgs(daveStrerror(err)));
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return null;
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}
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string needXorStr = recv.Substring(0, recv.Length - 2);//需要进行xor校验的字符串
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string recvCheck = recv.Substring(recv.Length - 2, 2);//接收的xor字符串
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string checkStr = Utility.XorCheck(needXorStr);
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if (checkStr != recvCheck)
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{
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OnClose?.Invoke(this, new ShutdownRequestEventArgs("校验失败"));
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return null;
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}
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else
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{
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if (recv.Substring(4, 1) == "W")//如果是写入命令
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{
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return new byte[0];
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}
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string dataStr = Utility.Pinchstring(recv, respBeginStr, checkStr);
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return Utility.HexToBytes(dataStr);
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}
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}
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string daveStrerror(string code)
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{
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switch (code)
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{
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case "20":return "未定义";
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case "21": return "远程单元无法被正确识别，或者发生了数据错误.";
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case "22": return "用于远程单元的接收缓冲区已满.";
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case "23": return "远程单元编号(01 至16)设置与本地单元重复.";
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case "24": return "试图发送不符合传输格式的数据,或者某一帧数据溢出或发生了数据错误.";
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case "25": return "传输系统硬件停止操作.";
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case "26": return "远程单元的编号设置超出01 至63 的范围.";
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case "27": return "接收方数据帧溢出. 试图在不同的模块之间发送不同帧长度的数据.";
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case "28": return "远程单元不存在. (超时)";
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case "29": return "试图发送或接收处于关闭状态的缓冲区.";
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case "30": return "持续处于传输禁止状态.";
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case "40": return "在指令数据中发生传输错误.";
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case "41": return "所发送的指令信息不符合传输格式.";
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case "42": return "发送了一个未被支持的指令向未被支持的目标站发送了指令";
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case "43": return "在处于传输请求信息挂起时,发送了其他指令.";
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case "50": return "设置了实际不存在的链接编号..";
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case "51": return "当向其他单元发出指令时,本地单元的传输缓冲区已满..";
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case "52": return "无法向其他单元传输";
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case "53": return "在接收到指令时,正在处理其他指令.";
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case "60": return "在指令中包含有无法使用的代码,或者代码没有附带区域指定参数(X,Y,D,等以外.).";
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case "61": return "触点编号,区域编号,数据代码格式(BCD,hex,等)上溢出, 下溢出以及区域指定错误.";
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case "62": return "过多记录数据在未记录状态下的操作";
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case "63": return "当一条指令发出时，运行模式不能够对指令进行处理";
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case "65": return "在存储保护状态下执行写操作到程序区域或系统寄存器。";
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case "66": return "地址（程序地址、绝对地址等）数据编码形式（BCD、hex 等）、上溢、下溢或指定范围错误";
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case "67": return "要读的数据不存在。（读取没有写入注释寄存区的数据。）";
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default: return "no message defined!";
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}
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}
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public ItemData<bool> ReadBit(DeviceAddress address)
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{
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throw new NotImplementedException();
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}
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public ItemData<byte> ReadByte(DeviceAddress address)
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{
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throw new NotImplementedException();
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}
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public ItemData<float> ReadFloat(DeviceAddress address)
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{
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throw new NotImplementedException();
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}
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public ItemData<short> ReadInt16(DeviceAddress address)
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{
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throw new NotImplementedException();
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}
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/// <summary>
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/// 读取一个32位数 返回如果是6300 则认为是0063H 高低位要反 而且是16进账
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/// </summary>
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/// <param name="address"></param>
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public ItemData<int> ReadInt32(DeviceAddress address)
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{
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throw new NotImplementedException();
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}
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public ItemData<Storage>[] ReadMultiple(DeviceAddress[] addrsArr)
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{
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throw new NotImplementedException();
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}
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public ItemData<string> ReadString(DeviceAddress address, ushort size)
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{
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throw new NotImplementedException();
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}
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public ItemData<object> ReadValue(DeviceAddress address)
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{
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throw new NotImplementedException();
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}
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public bool RemoveGroup(IGroup group)
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{
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throw new NotImplementedException();
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}
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public int WriteBit(DeviceAddress address, bool bit)
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{
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string respBeginStr = string.Empty;
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string cmd = CreateWCSCmd(address.Start,address.Bit,address.Area,bit,out respBeginStr);
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WriteSyncData(respBeginStr, cmd);
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|
return 0;
|
|
}
|
|
|
|
public int WriteBits(DeviceAddress address, byte bits)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public int WriteBytes(DeviceAddress address, byte[] bit)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public int WriteFloat(DeviceAddress address, float value)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public int WriteInt16(DeviceAddress address, short value)
|
|
{
|
|
string respBeginStr = string.Empty;
|
|
string cmd = CreateWDCmd(address.Start, new short[1] {value}, out respBeginStr);
|
|
WriteSyncData(respBeginStr, cmd);
|
|
return 0;
|
|
}
|
|
|
|
public int WriteInt32(DeviceAddress address, int value)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public int WriteMultiple(DeviceAddress[] addrArr, object[] buffer)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public int WriteString(DeviceAddress address, string str)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public int WriteValue(DeviceAddress address, object value)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
#region 类中类中工具方法
|
|
/// <summary>
|
|
/// 将byte类型转换成两位16进制字符串
|
|
/// </summary>
|
|
private static string IntTo2Hex(int num)
|
|
{
|
|
return num.ToString("X2").PadLeft(2, '0');//15 -> 0F
|
|
}
|
|
/// <summary>
|
|
/// 将byte类型转换成4位16进制字符串
|
|
/// </summary>
|
|
private static string IntTo4Hex(int num)
|
|
{
|
|
return num.ToString("X2").PadLeft(4, '0');//15 -> 000F
|
|
}
|
|
/// <summary>
|
|
/// 将Int类型转换成3位BCD字符串
|
|
/// </summary>
|
|
private string IntTo3Bcd(int num)
|
|
{
|
|
return num.ToString().PadLeft(3, '0'); //9->009
|
|
}
|
|
/// <summary>
|
|
/// 将Int类型转换成4位BCD字符串
|
|
/// </summary>
|
|
private string IntTo4Bcd(int num)
|
|
{
|
|
return num.ToString().PadLeft(4, '0'); //9->0009
|
|
}
|
|
/// <summary>
|
|
/// 将Int类型转换成5位BCD字符串
|
|
/// </summary>
|
|
private string IntTo5Bcd(int num)
|
|
{
|
|
return num.ToString().PadLeft(5, '0'); //9->00009
|
|
}
|
|
#endregion
|
|
}
|
|
public sealed class PanasonicGroup : PLCGroup
|
|
{
|
|
public PanasonicGroup(short id, string name, int updateRate, bool active, IPLCDriver plcReader)
|
|
{
|
|
this._id = id;
|
|
this._name = name;
|
|
this._updateRate = updateRate;
|
|
this._isActive = active;
|
|
this._plcReader = plcReader;
|
|
this._server = _plcReader.Parent;
|
|
this._timer = new System.Timers.Timer();
|
|
this._changedList = new List<int>();
|
|
this._cacheReader = new NetShortCacheReader();
|
|
}
|
|
|
|
protected override void Poll()
|
|
{
|
|
short[] cache = (short[])_cacheReader.Cache;
|
|
int offset = 0;
|
|
foreach (PDUArea area in _rangeList)
|
|
{
|
|
byte[] rcvBytes = _plcReader.ReadBytes(area.Start, (ushort)area.Len);//从PLC读取数据
|
|
if (rcvBytes == null || rcvBytes.Length == 0)
|
|
{
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
int len = rcvBytes.Length / 2;
|
|
short[] prcv = new short[rcvBytes.Length / 2];
|
|
for (int i = 0; i < prcv.Length; i++)
|
|
prcv[i] = IPAddress.HostToNetworkOrder(BitConverter.ToInt16(rcvBytes, i * 2));
|
|
int index = area.StartIndex;//index指向_items中的Tag元数据
|
|
int count = index + area.Count;
|
|
while (index < count)
|
|
{
|
|
DeviceAddress addr = _items[index].Address;
|
|
int iShort = addr.CacheIndex;
|
|
int iShort1 = iShort - offset;
|
|
if (addr.VarType == DataType.BOOL)
|
|
{
|
|
short tt = prcv[iShort1];
|
|
short tmp = IPAddress.HostToNetworkOrder((short)(tt ^ cache[iShort]));
|
|
DeviceAddress next = addr;
|
|
if (tmp != 0)
|
|
{
|
|
while (addr.Start == next.Start)
|
|
{
|
|
short ne = (short)(1 << next.Bit);
|
|
if ((tmp & (ne)) > 0) _changedList.Add(index);
|
|
if (++index < count)
|
|
next = _items[index].Address;
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
while (addr.Start == next.Start && ++index < count)
|
|
{
|
|
next = _items[index].Address;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (addr.DataSize <= 2)
|
|
{
|
|
if (prcv[iShort1] != cache[iShort]) _changedList.Add(index);
|
|
}
|
|
else
|
|
{
|
|
int size = addr.DataSize / 2;
|
|
for (int i = 0; i < size; i++)
|
|
{
|
|
if (prcv[iShort1 + i] != cache[iShort + i])
|
|
{
|
|
_changedList.Add(index);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
index++;
|
|
}
|
|
}
|
|
for (int j = 0; j < len; j++)
|
|
{
|
|
cache[j + offset] = prcv[j];
|
|
}//将PLC读取的数据写入到CacheReader中
|
|
offset += len;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public struct Panasonic
|
|
{
|
|
//用的是松下的协议 支持串口和以太网。
|
|
/// <summary>
|
|
///1. 读取单触点状态
|
|
/// </summary>
|
|
public const string RCSCmd = "RCS";
|
|
/// <summary>
|
|
/// 2. 写入单触点状态
|
|
/// </summary>
|
|
public const string WCSCmd = "WCS";
|
|
/// <summary>
|
|
///3. 读取多触点状态
|
|
/// </summary>
|
|
public const string RCPCmd = "RCP";
|
|
/// <summary>
|
|
/// 4. 写入多触点状态
|
|
/// </summary>
|
|
public const string WCPCmd = "WCP";
|
|
/// <summary>
|
|
/// 5. 按字单位读取触点状态
|
|
/// </summary>
|
|
public const string RCCCmd = "RCC";
|
|
/// <summary>
|
|
/// 6. 按字单位写入触点状态
|
|
/// </summary>
|
|
public const string WCCCmd = "WCC";
|
|
/// <summary>
|
|
/// 7.读取数据寄存器值 不支持索引
|
|
/// </summary>
|
|
public const string RDCmd = "RD";
|
|
/// <summary>
|
|
/// 8. 写入数据寄存器值
|
|
/// </summary>
|
|
public const string WDCmd = "WD";
|
|
|
|
public const byte Xarea = 0;//外部输入
|
|
public const byte Yarea = 1;//外部输出
|
|
public const byte Rarea = 2;//内部继电器
|
|
public const byte Tarea = 3;//定时器
|
|
public const byte Carea = 4;//计数器 不支持
|
|
public const byte Larea = 5;//链接继电器 不支持
|
|
|
|
public const byte DTarea = 6;//数据寄存器 DT
|
|
public const byte LDarea = 7;//链接寄存器 LD 不支持
|
|
public const byte FLarea = 8;//文件寄存器 FL 不支持
|
|
public const byte SVarea = 9;//目标值 SV
|
|
public const byte EVarea = 10;//经过值 EV
|
|
public const byte IXarea = 11;//索引寄存器 IX
|
|
public const byte IYarea = 12;//索引寄存器 IY
|
|
public const byte WXarea = 13;//字单位外部输入 WX
|
|
public const byte WYarea = 14;//字单位外部输出 WY
|
|
public const byte WRarea = 15;//字单位内部继电器 WR
|
|
public const byte WLarea = 16;//字单位链接继电器 WL 不支持
|
|
|
|
}
|
|
}
|
|
|