質問編集履歴
3
ソースコードを更新致しました。
test
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@@ -20,48 +20,334 @@
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```ここに言語を入力
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private Queue<byte> receivedDatas = new Queue<byte>();
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Program.cs
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class Program
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{
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volatile static bool _keyReaded = false;
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static void Main(string[] args)
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{
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ConvertFrame convertFrame = new ConvertFrame();
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bool isFinish = false;
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while (!isFinish)
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{
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convertFrame.update();
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Console.WriteLine(convertFrame.listFrames.Count.ToString());
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/// キー入力で終了します。
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if (_keyReaded)
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{
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isFinish = true;
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}
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}
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}
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static void MonitoringKey(object userState)
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{
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ConsoleKeyInfo keyInfo = Console.ReadKey(true);
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_keyReaded = true;
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}
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}
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ConvertFrame.cs
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class ConvertFrame
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{
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private Queue<byte> receivedDatas = new Queue<byte>();
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private int backup_count = 0;
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public List<byte[]> listFrames { get; private set; }
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private Serial uart = new Serial();
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public ConvertFrame()
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{
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listFrames = new List<byte[]>();
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uart.Open("COM1", 115200);
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}
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public void update()
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{
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Queue<byte> pickedup = new Queue<byte>();
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Queue<byte> pickedup = new Queue<byte>();
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getData(ref pickedup);
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uart.getData(ref pickedup);
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if (
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if (pickedup.Count.Equals(0))
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{
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{
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return;
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}
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foreach( int index in Enumerable.Range(0, pickedup.Count ) )
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{
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receivedDatas.Enqueue( pickedup.Dequeue() );
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}
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if ( receivedDatas.Count.Equals(0) )
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{
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return;
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}
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backup_count = receivedDatas.Count; // --- (1)
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byte head = receivedDatas.Peek(); //---- (2)
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head = 16; /// ---- (A)
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bool isExistDatas = true;
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while( isExistDatas )
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{
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if ( receivedDatas.Count >= (int)head )
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{
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List<byte> frame = new List<byte>();
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foreach (int index in Enumerable.Range(0, (int)head ))
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{
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frame.Add(receivedDatas.Dequeue()); // ---(3)
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}
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listFrames.Add( frame.ToArray() );
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}
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else
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{
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isExistDatas = false;
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}
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}
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}
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}
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Serial.cs
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class Serial
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{
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private SerialPort targetPort;
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private List<byte[]> receivedBytes = new List<byte[]>();
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private byte[] pickedupBytes = new byte[4096];
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public Serial()
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{
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}
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public void Open(string namePort, int baudRate)
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{
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string PortName = namePort;
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int BaudRate = baudRate;
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Parity Parity = Parity.None;
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int DataBits = 8;
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StopBits StopBits = StopBits.One;
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targetPort = new SerialPort(PortName, BaudRate, Parity, DataBits, StopBits);
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targetPort.Handshake = System.IO.Ports.Handshake.None;
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targetPort.ReadTimeout = 0;
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targetPort.WriteTimeout = 1500;
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targetPort.ReadBufferSize = 1024 * 12;
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targetPort.WriteBufferSize = 1024 * 12;
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targetPort.DataReceived += new SerialDataReceivedEventHandler(ReceivedHandler);
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targetPort.Open();
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}
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public void Close()
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{
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targetPort.Close();
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}
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public bool getData(ref Queue<byte> pickedup)
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{
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lock (receivedBytes)
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{
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if (receivedBytes.Count.Equals(0))
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{
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return false;
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}
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foreach (byte[] array in receivedBytes)
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{
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foreach (byte data in array)
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{
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pickedup.Enqueue(data);
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}
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}
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/// 引数に渡したのでクリアする。
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receivedBytes.Clear();
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}
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return true;
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}
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private void ReceivedHandler(object sender, SerialDataReceivedEventArgs e)
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{
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int totalCount = 0;
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try
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{
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totalCount = targetPort.Read(pickedupBytes, totalCount, pickedupBytes.Length);
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}
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catch (TimeoutException exception)
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{
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Console.WriteLine(exception);
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Console.ReadKey();
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}
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/// 固定長サイズのピックアップバッファから、受信データ数の分だけ取り出しておく。
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byte[] buffer = new byte[totalCount];
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Array.Copy(pickedupBytes, 0, buffer, 0, totalCount);
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lock (receivedBytes)
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{
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receivedBytes.Add(buffer);
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}
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return;
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}
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foreach( int index in Enumerable.Range(0, pickedup.Count ) )
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{
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receivedDatas.Enqueue( pickedup.Dequeue() );
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}
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if ( receivedDatas.Count.Equal(0) )
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{
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return;
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}
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backup_count = receivedDatas.Count; --- (1)
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byte head = receivedDatas.Peek(); ---- (2)
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}
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```
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353
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@@ -76,6 +362,26 @@
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76
362
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77
363
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78
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365
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追記：
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366
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367
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問題の発生する部分だけ抽出してコード全体を書き直しました。
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368
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369
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上記のコードを実際に走らせ、現象の再発を確認できしました。
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370
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371
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ただ、今度は(3) で発生するようになりました。
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372
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373
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このとき、backup_count = 0x36 , head = 0x06 なのですが、
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375
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例外で Queue が空という内容でした。
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376
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377
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378
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379
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また、(A)の部分ですが、head の値が大きい場合に問題が発生している可能性も考えて、
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380
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381
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16 byte に変更しています。だた、同じ例外が発生しました。
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382
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383
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+
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384
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79
385
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アドバイスの程、宜しくお願い申し上げます。
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80
386
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81
387
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|
2
コードにミスがありました。修正致します。
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -40,7 +40,7 @@
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|
|
40
40
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41
41
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}
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42
42
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43
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-
foreach( int index in Enumerable.Range(0, pickedup ) )
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43
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+
foreach( int index in Enumerable.Range(0, pickedup.Count ) )
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44
44
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45
45
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{
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46
46
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1
変数名のミスを修正しました。
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -58,7 +58,7 @@
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|
|
58
58
|
|
|
59
59
|
backup_count = receivedDatas.Count; --- (1)
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|
60
60
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|
|
61
|
-
byte head = received
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61
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+
byte head = receivedDatas.Peek(); ---- (2)
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|
62
62
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63
63
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}
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|
64
64
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|
@@ -80,6 +80,10 @@
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80
80
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81
81
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82
82
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83
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84
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+
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85
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+
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|
86
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+
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|
83
87
|
###補足情報(言語/FW/ツール等のバージョンなど)
|
|
84
88
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85
89
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visual studio 2013
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