87 lines
2.5 KiB
C#
87 lines
2.5 KiB
C#
using MECF.Framework.Common.Communications;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MECF.Framework.RT.EquipmentLibrary.HardwareUnits.Temps.P116PIDTC
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{
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public class P116PIDTCMessage : BinaryMessage
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{
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public byte DeviceAddress { get; set; }
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public byte FunctionCode { get; set; }
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public byte Length { get; set; }
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public byte[] Data { get; set; }
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}
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public class P116PIDTCConnection:SerialPortConnectionBase
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{
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private List<byte> _lstCacheBuffer = new List<byte>();
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public P116PIDTCConnection(string portName) : base(portName, 9600, 8, System.IO.Ports.Parity.None, System.IO.Ports.StopBits.One, "\n", false)
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{
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}
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public override bool SendMessage(byte[] message)
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{
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_lstCacheBuffer.Clear();
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return base.SendMessage(message);
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}
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protected override MessageBase ParseResponse(byte[] rawMessage)
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{
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_lstCacheBuffer.AddRange(rawMessage);
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byte[] temps = _lstCacheBuffer.ToArray();
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P116PIDTCMessage msg = new P116PIDTCMessage();
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msg.IsResponse = false;
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msg.IsAck = false;
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msg.IsComplete = false;
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msg.RawMessage = _lstCacheBuffer.ToArray();
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if (temps.Length < 4) return msg;
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msg.DeviceAddress = temps[0];
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msg.FunctionCode = temps[1];
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if (msg.FunctionCode !=0x03)
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{
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msg.Data = _lstCacheBuffer.ToArray();
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}
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else
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{
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msg.Length = temps[2];
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if (temps.Length < msg.Length + 5)
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{
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//msg.IsFormatError = true;
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return msg;
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}
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msg.Data = _lstCacheBuffer.Skip(3).Take(msg.Length).ToArray();
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}
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msg.IsResponse = true;
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msg.IsAck = true;
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msg.IsComplete = true;
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return msg;
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}
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private static byte ModRTU_CRC(byte[] buffer)
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{
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//ushort crc = 0xFFFF;
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// var buf = System.Text.Encoding.UTF8.GetBytes(String.Join(Environment.NewLine, buffer));
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var buf = buffer;
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var len = buffer.Length;
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byte temp = buffer[0];
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for (int i = 1; i < buffer.Length; i++)
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{
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temp = (byte)(temp ^ buffer[i]);
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}
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return (byte)~temp;
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}
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}
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}
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