165 lines
5.7 KiB
C#
165 lines
5.7 KiB
C#
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using Aitex.Core.RT.Event;
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using Aitex.Core.RT.Log;
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using Aitex.Core.RT.SCCore;
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using Aitex.Core.Util;
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using MECF.Framework.Common.Communications;
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using MECF.Framework.RT.EquipmentLibrary.HardwareUnits.CarrierIdReaders.CarrierIDReaderBase;
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using MECF.Framework.RT.EquipmentLibrary.HardwareUnits.LoadPorts.LoadPortBase;
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using System;
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using System.Collections.Generic;
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using System.IO.Ports;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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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.CarrierIdReaders.OmronV640
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{
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public class GeneralBarcodeReader : CIDReaderBaseDevice, IConnection
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{
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private string _scRoot;
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private string _portName;
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private bool _enableLog;
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private int _baudRate;
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private int _dataBits;
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private Parity _parity;
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private int _stopBits;
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private AsyncSerialPort _port;
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private string _readCmd;
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private string _endCmd;
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private string _receivedMsg = string.Empty;
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private object _locker = new object();
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DateTime _scanStartTimer;
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public GeneralBarcodeReader(string module, string name, string scRoot, string readcmd, LoadPortBaseDevice lp = null,string endcmd="") : base(module, name, lp)
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{
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_scRoot = scRoot;
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_readCmd = readcmd;
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_endCmd = endcmd;
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_portName = SC.GetStringValue($"{_scRoot}.{Name}.PortName");
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_enableLog = SC.GetValue<bool>($"{_scRoot}.{Name}.EnableLogMessage");
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_baudRate = SC.GetValue<int>($"{_scRoot}.{Name}.BaudRate");
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_dataBits = SC.GetValue<int>($"{_scRoot}.{Name}.DataBits");
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_parity = (Parity)Enum.Parse(typeof(Parity), SC.GetStringValue($"{_scRoot}.{Name}.Parity"));
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_stopBits = SC.GetValue<int>($"{_scRoot}.{Name}.StopBits");
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_port = new AsyncSerialPort(_portName, _baudRate, 8);//, Parity.Even, StopBits.One, "\r", true);
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_port.EnableLog = _enableLog;
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_port.OnDataChanged += _port_OnDataChanged;
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_port.OnErrorHappened += _port_OnErrorHappened;
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int count = SC.ContainsItem("System.ComPortRetryCount") ? SC.GetValue<int>("System.ComPortRetryCount") : 5;
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int sleep = SC.ContainsItem("System.ComPortRetryDelayTime") ? SC.GetValue<int>("System.ComPortRetryDelayTime") : 2;
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if (sleep <= 0 || sleep > 10)
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sleep = 2;
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int retry = 0;
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do
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{
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if (_port.Open())
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{
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EV.PostInfoLog(Module, $"Connected with {Module}.{Name} .");
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break;
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}
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else
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{
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EV.PostInfoLog(Module, $"Can't connected with {Module}.{Name},retry time {retry}.");
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_port.Close();
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Thread.Sleep(sleep * 1000);
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}
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if (count > 0 && retry++ > count)
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{
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EV.PostAlarmLog(Module, $"Can't connect to {Module}.{Name}.");
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break;
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}
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} while (true);
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}
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private void _port_OnErrorHappened(string obj)
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{
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OnError();
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}
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private void _port_OnDataChanged(string package)
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{
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try
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{
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lock (_locker)
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{
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if (DeviceState == CIDReaderStateEnum.ReadCarrierID)
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{
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CarrierIDBeRead = CarrierIDBeRead + package;
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if (!CarrierIDBeRead.Contains("\r")) return;
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CarrierIDBeRead = CarrierIDBeRead.Split('\r')[0].Replace("\n", "");
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if (string.IsNullOrEmpty(CarrierIDBeRead) || CarrierIDBeRead == "BR")
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{
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OnCarrierIDReadFailed("Scan Failed.");
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return;
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}
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OnCarrierIDRead(CarrierIDBeRead.Replace("\r","").Replace("\n",""));
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}
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}
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}
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catch (Exception ex)
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{
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LOG.Write(ex);
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}
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}
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public string Address { get; set; }
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public bool IsConnected => _port.IsOpen();
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public bool Connect()
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{
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return _port.Open();
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}
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public bool Disconnect()
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{
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return _port.Close();
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}
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protected override bool fStartWriteCarrierID(object[] param)
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{
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return false;
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}
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protected override bool fStartReadCarrierID(object[] param)
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{
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try
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{
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lock (_locker)
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{
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if (!_port.IsOpen())
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{
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EV.PostWarningLog(Module, _portName + " not open, can not scan");
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return false;
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}
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CarrierIDBeRead = string.Empty;
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_port.Write(_readCmd);
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_scanStartTimer = DateTime.Now;
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return true;
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}
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}
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catch (Exception ex)
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{
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LOG.Write(ex);
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return false;
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}
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}
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protected override bool fMonitorReadCarrierID(object[] param)
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{
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if (DateTime.Now - _scanStartTimer > TimeSpan.FromSeconds(60))
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{
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EV.PostWarningLog(Module, _portName + " error, timeout");
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OnCarrierIDReadFailed("Timeout");
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if(!string.IsNullOrEmpty(_endCmd))
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_port.Write(_endCmd);
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return true;
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}
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return false;
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}
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}
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}
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