增加以串口方式解析EF3板

2022-10-08 11:41:14 +08:00
parent 2f481baaa2
commit c01cb1400f
38 changed files with 55718 additions and 0 deletions
@@ -0,0 +1,272 @@
+using System;
+using System.Collections.Generic;
+using System.IO.Ports;
+using System.Linq;
+using System.Text;
+using System.Threading;
+//using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Threading;
+
+namespace WPFSerialAssistant
+{
+    public partial class MainWindow : Window
+    {
+        /// <summary>
+        /// SerialPort对象
+        /// </summary>
+        private SerialPort serialPort = new SerialPort();
+
+        // 需要一个定时器用来，用来保证即使缓冲区没满也能够及时将数据处理掉，防止一直没有到达
+        // 阈值，而导致数据在缓冲区中一直得不到合适的处理。
+        private DispatcherTimer checkTimer = new DispatcherTimer();
+
+        private void InitSerialPort()
+        {
+            serialPort.DataReceived += SerialPort_DataReceived;
+            InitCheckTimer();
+        }
+
+        /// <summary>
+        /// 查找端口
+        /// </summary>
+        private void FindPorts()
+        {
+            portsComboBox.ItemsSource = SerialPort.GetPortNames();
+            if (portsComboBox.Items.Count > 0)
+            {
+                portsComboBox.SelectedIndex = 0;
+                portsComboBox.IsEnabled = true;
+                Information(string.Format("查找到可以使用的端口{0}个。", portsComboBox.Items.Count.ToString()));
+            }
+            else
+            {
+                portsComboBox.IsEnabled = false;
+                Alert("Oops，没有查找到可用端口；您可以点击“查找”按钮手动查找。");
+            }
+        }
+
+        private bool OpenPort()
+        {
+            bool flag = false;
+            ConfigurePort();
+
+            try
+            {
+                serialPort.Open();
+                serialPort.DiscardInBuffer();
+                serialPort.DiscardOutBuffer();
+                Information(string.Format("成功打开端口{0}, 波特率{1}。", serialPort.PortName, serialPort.BaudRate.ToString()));
+                flag = true;
+            }
+            catch (Exception ex)
+            {
+                Alert(ex.Message);
+            }
+
+            return flag;
+        }
+
+        private bool ClosePort()
+        {
+            bool flag = false;
+
+            try
+            {
+                StopAutoSendDataTimer();
+                progressBar.Visibility = Visibility.Collapsed;
+                serialPort.Close();
+                Information(string.Format("成功关闭端口{0}。", serialPort.PortName));
+                flag = true;
+            }
+            catch (Exception ex)
+            {
+                Alert(ex.Message);
+            }
+
+            return flag;
+        }
+
+        private void ConfigurePort()
+        {
+            serialPort.PortName = GetSelectedPortName();
+            serialPort.BaudRate = GetSelectedBaudRate();
+            serialPort.Parity = GetSelectedParity();
+            serialPort.DataBits = GetSelectedDataBits();
+            serialPort.StopBits = GetSelectedStopBits();
+            serialPort.Encoding = GetSelectedEncoding();
+        }
+
+        private string GetSelectedPortName()
+        {
+            return portsComboBox.Text;
+        }
+
+        private int GetSelectedBaudRate()
+        {
+            int baudRate = 9600;
+            //string conv = baudRateComboBox.Text;
+            int.TryParse(baudRateComboBox.Text, out baudRate);
+            return baudRate;
+        }
+
+        private Parity GetSelectedParity()
+        {
+            string select = parityComboBox.Text;
+
+            Parity p = Parity.None;       
+            if (select.Contains("Odd"))
+            {
+                p = Parity.Odd;
+            }
+            else if (select.Contains("Even"))
+            {
+                p = Parity.Even;
+            }
+            else if (select.Contains("Space"))
+            {
+                p = Parity.Space;
+            }
+            else if (select.Contains("Mark"))
+            {
+                p = Parity.Mark;
+            }
+           
+            return p;
+        }
+
+        private int GetSelectedDataBits()
+        {
+            int dataBits = 8;
+            int.TryParse(dataBitsComboBox.Text, out dataBits);
+
+            return dataBits;
+        }
+
+        private StopBits GetSelectedStopBits()
+        {
+            StopBits stopBits = StopBits.None;
+            string select = stopBitsComboBox.Text.Trim();
+
+            if (select.Equals("1"))
+            {
+                stopBits = StopBits.One;
+            }
+            else if (select.Equals("1.5"))
+            {
+                stopBits = StopBits.OnePointFive;
+            }
+            else if (select.Equals("2"))
+            {
+                stopBits = StopBits.Two;
+            }
+
+            return stopBits;
+        }
+
+        private Encoding GetSelectedEncoding()
+        {
+            string select = encodingComboBox.Text;
+            Encoding enc = Encoding.Default;
+
+            if (select.Contains("UTF-8"))
+            {
+                enc = Encoding.UTF8;
+            }
+            else if (select.Contains("ASCII"))
+            {
+                enc = Encoding.ASCII;
+            }
+            else if (select.Contains("Unicode"))
+            {
+                enc = Encoding.Unicode;
+            }
+
+            return enc;
+        }
+
+        private bool SerialPortWrite(string textData)
+        {
+            SerialPortWrite(textData, false);
+            return false;
+        }
+
+        private string appendContent = "\n";
+        private bool SerialPortWrite(string textData, bool reportEnable)
+        {
+            if (serialPort == null)
+            {
+                return false;
+            }
+
+            if (serialPort.IsOpen == false)
+            {
+                Alert("串口未打开，无法发送数据。");
+                return false;
+            }
+
+            try
+            {
+                //serialPort.DiscardOutBuffer();
+                //serialPort.DiscardInBuffer();
+
+                if (sendMode == SendMode.Character)
+                {
+                    serialPort.Write(textData + appendContent);
+                }
+                else if (sendMode == SendMode.Hex)
+                {
+                    string[] grp = textData.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
+
+                    List<byte> list = new List<byte>();
+
+                    foreach (var item in grp)
+                    {
+                        list.Add(Convert.ToByte(item, 16));
+                    }
+             
+                    serialPort.Write(list.ToArray(), 0, list.Count);
+                }
+
+                if (reportEnable)
+                {
+                    // 报告发送成功的消息，提示用户。
+                    Information(string.Format("成功发送：{0}。", textData));
+                }
+            }
+            catch (Exception ex)
+            {
+                Alert(ex.Message);
+                return false;
+            }
+
+            return true;
+        }
+
+        #region 定时器
+        /// <summary>
+        /// 超时时间为50ms
+        /// </summary>
+        private const int TIMEOUT = 50;
+        private void InitCheckTimer()
+        {
+            // 如果缓冲区中有数据，并且定时时间达到前依然没有得到处理，将会自动触发处理函数。
+            checkTimer.Interval = new TimeSpan(0, 0, 0, 0, TIMEOUT);
+            checkTimer.IsEnabled = false;
+            checkTimer.Tick += CheckTimer_Tick;
+        }
+
+        private void StartCheckTimer()
+        {
+            checkTimer.IsEnabled = true;
+            checkTimer.Start();
+        }
+
+        private void StopCheckTimer()
+        {
+            checkTimer.IsEnabled = false;
+            checkTimer.Stop();
+        }
+        #endregion
+    }
+}