添加 MX-PD-盘古 项目文件

将 MX-PD-盘古 - new 目录下的所有文件添加到主仓库

MX-PD-盘古 - new/PanGu.DieBonderApp/MainShell/Hardware/DiastimeterPollingService.cs

@@ -0,0 +1,162 @@
+using MainShell.EventArgsFolder;
+using MainShell.Log;
+using Stylet;
+using System;
+using System.Threading;
+using MwFramework.Device;
+
+namespace MainShell.Hardware
+{
+    public class DiastimeterPollingService : IDisposable
+    {
+        private const int DefaultIntervalMilliseconds = 200;
+        private readonly HardwareManager _hardwareManager;
+        private readonly IEventAggregator _eventAggregator;
+        private readonly object _syncRoot = new object();
+        private Timer _timer;
+        private bool _isRunning;
+        private bool _isReading;
+        private int _intervalMilliseconds;
+
+        public DiastimeterPollingService(HardwareManager hardwareManager, IEventAggregator eventAggregator)
+        {
+            _hardwareManager = hardwareManager ?? throw new ArgumentNullException(nameof(hardwareManager));
+            _eventAggregator = eventAggregator ?? throw new ArgumentNullException(nameof(eventAggregator));
+            _intervalMilliseconds = DefaultIntervalMilliseconds;
+        }
+
+        public bool IsRunning
+        {
+            get
+            {
+                lock (_syncRoot)
+                {
+                    return _isRunning;
+                }
+            }
+        }
+
+        public int IntervalMilliseconds
+        {
+            get
+            {
+                lock (_syncRoot)
+                {
+                    return _intervalMilliseconds;
+                }
+            }
+        }
+
+        public void Start()
+        {
+            Start(DefaultIntervalMilliseconds);
+        }
+
+        public void Start(int intervalMilliseconds)
+        {
+            if (intervalMilliseconds <= 0)
+            {
+                throw new ArgumentOutOfRangeException(nameof(intervalMilliseconds));
+            }
+
+            lock (_syncRoot)
+            {
+                _intervalMilliseconds = intervalMilliseconds;
+                if (_timer == null)
+                {
+                    _timer = new Timer(ReadSample, null, Timeout.Infinite, Timeout.Infinite);
+                }
+
+                _timer.Change(0, _intervalMilliseconds);
+                _isRunning = true;
+            }
+
+            $"激光测距仪轮询启动，周期={intervalMilliseconds}ms".LogInfo();
+        }
+
+        public void Stop()
+        {
+            lock (_syncRoot)
+            {
+                if (_timer != null)
+                {
+                    _timer.Change(Timeout.Infinite, Timeout.Infinite);
+                }
+
+                _isRunning = false;
+            }
+
+            "激光测距仪轮询停止。".LogInfo();
+        }
+
+        private void ReadSample(object state)
+        {
+            lock (_syncRoot)
+            {
+                if (!_isRunning || _isReading)
+                {
+                    return;
+                }
+
+                _isReading = true;
+            }
+
+            try
+            {
+                IDiastimeter diastimeter = _hardwareManager.Diastimeter;
+                if (diastimeter == null)
+                {
+                    PublishInvalidSample("激光测距仪未初始化。");
+                    return;
+                }
+
+                if (!diastimeter.IsConnected)
+                {
+                    PublishInvalidSample("激光测距仪未连接。");
+                    return;
+                }
+
+                double distance;
+                diastimeter.GetLastSample(out distance);
+                if (double.IsNaN(distance) || double.IsInfinity(distance))
+                {
+                    PublishInvalidSample("激光测距仪反馈数据无效。");
+                    return;
+                }
+
+                _eventAggregator.PublishOnUIThread(new DiastimeterSampleChangedEventArgs(distance, DateTime.Now, true, string.Empty));
+            }
+            catch (Exception ex)
+            {
+                $"激光测距仪轮询读取失败：{ex.Message}".LogSysError();
+                PublishInvalidSample(ex.Message);
+            }
+            finally
+            {
+                lock (_syncRoot)
+                {
+                    _isReading = false;
+                }
+            }
+        }
+
+        private void PublishInvalidSample(string message)
+        {
+            _eventAggregator.PublishOnUIThread(new DiastimeterSampleChangedEventArgs(0d, DateTime.Now, false, message));
+        }
+
+        public void Dispose()
+        {
+            Stop();
+
+            lock (_syncRoot)
+            {
+                if (_timer != null)
+                {
+                    _timer.Dispose();
+                    _timer = null;
+                }
+            }
+        }
+    }
+}