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160 lines
4.2 KiB
160 lines
4.2 KiB
using BWP.WinFormControl;
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using BWP.WinFormControl.WeightDataFormat;
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using System;
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using System.Collections.Concurrent;
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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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using System.Windows.Forms;
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namespace ButcherWeight
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{
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partial class WeightForm
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{
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private IDataFormat _dataFormat;
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private Thread _inQueryThread;
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private bool _mainProcessIsRun;
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readonly StringBuilder _dataStrBuilder = new StringBuilder();
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void OpenSerialPort()
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{
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if (enableCheckBox.Checked)
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return;
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if (WeightContext.Config.RateSet == null)
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throw new Exception("请先配置称相关信息");
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weightSerialPort.PortName = WeightContext.Config.ComSet;
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weightSerialPort.BaudRate = WeightContext.Config.RateSet.Value;
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weightSerialPort.DataBits = WeightContext.Config.BitSet.Value;
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weightSerialPort.ReadBufferSize = 4096 * 100;
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if (!string.IsNullOrEmpty(WeightContext.Config.Format))
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format = "{0:{format}}".Replace("{format}", WeightContext.Config.Format);
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switch (WeightContext.Config.WeightSet)
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{
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case "IND560":
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_dataFormat = new IND560DataFormat();
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break;
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case "Xk3124":
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_dataFormat = new Xk3124DataFormat();
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break;
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case "Xk3190A9":
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_dataFormat = new Xk3190A9DataFormat();
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break;
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default:
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_dataFormat = new Xk3190D10DataFormat();
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break;
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}
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if (!weightSerialPort.IsOpen)
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{
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try
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{
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weightSerialPort.Open();
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}
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catch (InvalidOperationException)
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{
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MessageBox.Show(@"指定的端口已打开");
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}
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catch (UnauthorizedAccessException)
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{
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MessageBox.Show(@"对端口的访问被拒绝");
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}
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}
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}
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void ReadData()
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{
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_inQueryThread = new Thread(InQuery);
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_inQueryThread.Start();
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}
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string format = "{0:0.00}";
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private void InQuery()
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{
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while (_mainProcessIsRun)
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{
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int availableCount = weightSerialPort.BytesToRead;
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if (availableCount == 0)
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{
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Thread.Sleep(1);
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}
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char[] buffer = new char[availableCount];
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if (!weightSerialPort.IsOpen)
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{
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continue;
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}
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weightSerialPort.Read(buffer, 0, availableCount);
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foreach (var c in buffer)
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{
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if (c == _dataFormat.Beginchar)
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{
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_dataStrBuilder.Clear();
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_dataStrBuilder.Append(c);
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}
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else if (c == _dataFormat.Endchar || _dataStrBuilder.Length == _dataFormat.DataLength - 1)
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{
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_dataStrBuilder.Append(c);
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bool isStatic;
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string str;
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if (_dataFormat.ParseAscii(_dataStrBuilder.ToString(), out str, out isStatic))
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{
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if (string.IsNullOrEmpty(str))
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str = "0";
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this.Invoke(new InvokeHandler(delegate()
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{
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weightLabel.Text = string.Format(format, decimal.Parse(str));
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}));
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}
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_dataStrBuilder.Clear();
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}
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else if (_dataStrBuilder.Length != 0)
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{
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_dataStrBuilder.Append(c);
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}
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}
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}
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}
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void DisableWeight()
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{
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_mainProcessIsRun = false;
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WeightValue = 0;
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format = "{0:0.00}";
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Thread.Sleep(10);
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if (_inQueryThread.IsAlive)
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{
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_inQueryThread.Abort();
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}
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if (weightSerialPort.IsOpen)
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weightSerialPort.Close();
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}
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public void enableCheckBox_Click(object sender, EventArgs e)
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{
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if (!enableCheckBox.Checked)
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{
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OpenSerialPort();
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_mainProcessIsRun = true;
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ReadData();
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}
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else
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DisableWeight();
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enableCheckBox.CheckState = enableCheckBox.Checked ? CheckState.Unchecked : CheckState.Checked;
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readMaoBtn.Enabled = readPiBtn.Enabled = enableCheckBox.Checked;
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}
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decimal? WeightValue
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{
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get
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{
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if (!string.IsNullOrEmpty(weightLabel.Text))
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return decimal.Parse(weightLabel.Text);
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return null;
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}
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set { weightLabel.Text = string.Format(format, value); }
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}
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}
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}
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