Implemented first version of Chm30Utility

CanDriver/core/CanTrace.h

@@ -0,0 +1,87 @@
+/*
+
+  Copyright (c) 2015, 2016 Hubert Denkmair <hubert@denkmair.de>
+
+  This file is part of cangaroo.
+
+  cangaroo is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 2 of the License, or
+  (at your option) any later version.
+
+  cangaroo is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with cangaroo.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#pragma once
+
+#include <QObject>
+#include <QMutex>
+#include <QTimer>
+#include <QVector>
+#include <QMap>
+#include <QFile>
+
+#include "CanMessage.h"
+
+class CanInterface;
+class CanDbMessage;
+class CanDbSignal;
+class MeasurementSetup;
+class Backend;
+
+class CanTrace : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit CanTrace(Backend &backend, QObject *parent, int flushInterval);
+
+    unsigned long size();
+    void clear();
+    const CanMessage *getMessage(int idx);
+    void enqueueMessage(const CanMessage &msg, bool more_to_follow=false);
+
+    void saveCanDump(QFile &file);
+    void saveVectorAsc(QFile &file);
+
+    bool getMuxedSignalFromCache(const CanDbSignal *signal, uint64_t *raw_value);
+
+signals:
+    void messageEnqueued(int idx);
+    void beforeAppend(int num_messages);
+    void afterAppend();
+    void beforeClear();
+    void afterClear();
+
+private slots:
+    void flushQueue();
+
+private:
+    enum {
+        pool_chunk_size = 1024
+    };
+
+    Backend &_backend;
+
+    QVector<CanMessage> _data;
+    int _dataRowsUsed;
+    int _newRows;
+    bool _isTimerRunning;
+
+    QMap<const CanDbSignal*,uint64_t> _muxCache;
+
+    QMutex _mutex;
+    QMutex _timerMutex;
+    QTimer _flushTimer;
+
+    void startTimer();
+
+
+};