Added methods to pause/resume the auto polling

Examples/Program.cs

@@ -32,7 +32,7 @@ class Program {
         Task.Factory.StartNew(async () => {
 
             //attaching the logger
-            Logger.LogLevel = LogLevel.Verbose;
+            Logger.LogLevel = LogLevel.Critical;
             Logger.OnNewLogMessage((date, msg) => {
                 Console.WriteLine($"{date.ToString("HH:mm:ss")} {msg}");
             });
@@ -44,6 +44,13 @@ class Program {
             //attaching the register collection and an automatic poller
             interf.WithRegisterCollection(registers).WithPoller();
 
+            _ = Task.Factory.StartNew(async () => {
+                while (true) {
+                    Console.Title = $"Polling Paused: {interf.PollingPaused}, Speed UP: {interf.BytesPerSecondUpstream} B/s, Speed DOWN: {interf.BytesPerSecondDownstream} B/s";
+                    await Task.Delay(1000);
+                }
+            });
+
             await interf.ConnectAsync(
                 (plcinf) => {
 
@@ -79,14 +86,28 @@ class Program {
                         //set the current second to the PLCs TIME register
                         interf.SetRegister(nameof(registers.TestTime), TimeSpan.FromSeconds(DateTime.Now.Second));
 
+                        //test pausing poller
+
+                        bool pollerPaused = false;
+
                         while(true) {
 
-                            Console.WriteLine($"Speed UP: {interf.BytesPerSecondUpstream} B/s");
+                            await Task.Delay(5000);
-                            Console.WriteLine($"Speed DOWN: {interf.BytesPerSecondDownstream} B/s");
 
-                            await Task.Delay(1000);
+                            pollerPaused = !pollerPaused;
+
+                            if(pollerPaused) {
+                                Console.WriteLine("Pausing poller");
+                                await interf.PausePollingAsync();
+                                Console.WriteLine("Paused poller");
+                            } else {
+                                interf.ResumePolling();
+                                Console.WriteLine("Resumed poller");
                             }
 
+                        }
+
+
                     });
 
                 }

MewtocolNet/Mewtocol/DynamicInterface.cs

@@ -14,15 +14,61 @@ namespace MewtocolNet {
     /// </summary>
     public partial class MewtocolInterface {
 
+        /// <summary>
+        /// True if the auto poller is currently paused
+        /// </summary>
+        public bool PollingPaused => pollerIsPaused;
+
         internal event Action PolledCycle;
-        internal bool ContinousReaderRunning;
+        
+        internal volatile bool pollerTaskRunning;
+        internal volatile bool pollerTaskStopped;
+        internal volatile bool pollerIsPaused;
+
         internal bool usePoller = false;
 
         #region Register Polling
 
+        /// <summary>
+        /// Kills the poller completely
+        /// </summary>
         internal void KillPoller () {
 
-            ContinousReaderRunning = false;
+            pollerTaskRunning = false;
+            pollerTaskStopped = true;
+
+        }
+
+        /// <summary>
+        /// Pauses the polling and waits for the last message to be sent
+        /// </summary>
+        /// <returns></returns>
+        public async Task PausePollingAsync () {
+
+            if (!pollerTaskRunning)
+                return;
+
+            pollerTaskRunning = false;
+
+            while (!pollerIsPaused) {
+
+                if (pollerIsPaused)
+                    break;
+                
+                await Task.Delay(10);
+            
+            }
+
+            pollerTaskRunning = false;
+
+        }
+
+        /// <summary>
+        /// Resumes the polling
+        /// </summary>
+        public void ResumePolling () {
+
+            pollerTaskRunning = true;
 
         }
 
@@ -31,32 +77,37 @@ namespace MewtocolNet {
         /// </summary>
         internal void AttachPoller () {
 
-            if (ContinousReaderRunning)
+            if (pollerTaskRunning)
                 return;
 
             Task.Factory.StartNew(async () => {
 
                 Logger.Log("Poller is attaching", LogLevel.Info, this);
 
-                int it = 0;
+                int iteration = 0;
-                ContinousReaderRunning = true;
 
-                while (ContinousReaderRunning) {
+                pollerTaskStopped = false;
+                pollerTaskRunning = true;
+                pollerIsPaused = false;
 
-                    if (it >= Registers.Count + 1) {
+                while (!pollerTaskStopped) {
-                        it = 0;
+
+                    while (pollerTaskRunning) {
+
+                        if (iteration >= Registers.Count + 1) {
+                            iteration = 0;
                             //invoke cycle polled event
                             InvokePolledCycleDone();
                             continue;
                         }
 
-                    if (it >= Registers.Count) {
+                        if (iteration >= Registers.Count) {
                             await GetPLCInfoAsync();
-                        it++;
+                            iteration++;
                             continue;
                         }
 
-                    var reg = Registers[it];
+                        var reg = Registers[iteration];
 
                         if (reg is NRegister<short> shortReg) {
                             var lastVal = shortReg.Value;
@@ -115,12 +166,18 @@ namespace MewtocolNet {
                             }
                         }
 
-                    it++;
+                        iteration++;
 
                         await Task.Delay(PollerDelayMs);
 
                     }
 
+                    pollerIsPaused = !pollerTaskRunning;
+
+                }
+
+                pollerIsPaused = false;
+
             });
 
         }

MewtocolNet/MewtocolNet.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <PackageId>MewtocolNet</PackageId>
-    <Version>0.5.5</Version>
+    <Version>0.5.6</Version>
     <Authors>Felix Weiss</Authors>
     <Company>Womed</Company>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>