diff --git a/src/binarystreamreader.h b/src/binarystreamreader.h new file mode 100644 --- /dev/null +++ b/src/binarystreamreader.h @@ -0,0 +1,71 @@ +/* + Copyright © 2016 Hasan Yavuz Özderya + + This file is part of serialplot. + + serialplot 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 3 of the License, or + (at your option) any later version. + + serialplot 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 serialplot. If not, see . +*/ + +#ifndef BINARYSTREAMREADER_H +#define BINARYSTREAMREADER_H + +#include "abstractreader.h" +#include "binarystreamreadersettings.h" + +/** + * Reads a simple stream of samples in binary form from the + * device. There is no means of synchronization other than a button + * that should be manually triggered by user. + */ +class BinaryStreamReader : public AbstractReader +{ + Q_OBJECT +public: + explicit BinaryStreamReader(QIODevice* device, ChannelManager* channelMan, QObject *parent = 0); + QWidget* settingsWidget(); + unsigned numOfChannels(); + void enable(bool enabled = true); + +public slots: + void pause(bool); + +private: + BinaryStreamReaderSettings _settingsWidget; + unsigned _numOfChannels; + unsigned sampleSize; + bool paused; + bool skipByteRequested; + unsigned sampleCount; ///< used for sps counter + + /// points to the readSampleAs function for currently selected number format + double (BinaryStreamReader::*readSample)(); + + /** + * Reads 1 sample from the device in given format. + * + * @note Device should already have enough bytes present before + * calling this function. + */ + template double readSampleAs(); + + // `data` contains i th channels data + void addChannelData(unsigned int channel, double* data, unsigned size); + +private slots: + void onNumberFormatChanged(NumberFormat numberFormat); + void onNumOfChannelsChanged(unsigned value); + void onDataReady(); +}; + +#endif // BINARYSTREAMREADER_H