using HMI.UI.Entity;
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using System.IO.Ports;
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using System.Windows.Controls;
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namespace Plugin.StandardTest
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{
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public class ScannerManager
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{
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public static Dictionary<string, SerialPort> map = new Dictionary<string, SerialPort>();
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public static Dictionary<SerialPort, Queue<TextBox>> controlMap = new Dictionary<SerialPort, Queue<TextBox>>();
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public static Dictionary<SerialPort, TextBox> focusMap = new Dictionary<SerialPort, TextBox>();
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public static Dictionary<TextBox, SerialPort> reverseMap = new Dictionary<TextBox, SerialPort>();
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public static void RegisterCom(ScannerConfig setting, TextBox tb)
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{
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if (!map.ContainsKey(setting.PortName))
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{
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// 配置串口
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var serialPort = new SerialPort
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{
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PortName = setting.PortName,
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BaudRate = setting.BaudRate,
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Parity = Parity.None,
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DataBits = setting.DataBits,
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StopBits = setting.StopBits,
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Handshake = Handshake.None,
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DtrEnable = setting.DtrEnable,
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RtsEnable = setting.RtsEnable
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//ReadTimeout = 500,
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//WriteTimeout = 500,
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//ReciveBufferSize=4096
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};
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try
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{
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// 打开串口
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serialPort.Open();
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map[setting.PortName] = serialPort;
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controlMap[serialPort] = new Queue<TextBox>();
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reverseMap[tb] = serialPort;
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tb.GotFocus += Tb_GotFocus;
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controlMap[serialPort].Enqueue(tb);
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// 注册接收数据事件
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serialPort.DataReceived += SerialPort_DataReceived; ;
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}
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catch (Exception ex)
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{
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}
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}
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else {
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}
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}
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private static string ReadDataFrom(SerialPort sp)
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{
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string barcode = "";
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while (sp.BytesToRead > 0)
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{
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byte[] buffer = new byte[sp.BytesToRead];
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sp.Read(buffer, 0, buffer.Length);
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barcode += System.Text.Encoding.UTF8.GetString(buffer);
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System.Threading.Thread.Sleep(50);
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}
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return barcode;
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}
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private static void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
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{
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var sp = sender as SerialPort;
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string barcode = ReadDataFrom(sp);
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TextBox tb;
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if (focusMap.ContainsKey(sp))
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{
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tb = focusMap[sp];
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}
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else
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{
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tb = controlMap[sp].Dequeue();
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}
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//string barcode =
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tb.Dispatcher.Invoke(() =>
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{
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tb.Text = barcode;
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});
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}
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private static void Tb_GotFocus(object sender, System.Windows.RoutedEventArgs e)
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{
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var tb = sender as TextBox;
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SerialPort sp = reverseMap[tb];
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focusMap[sp] = tb;
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}
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}
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}
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