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68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_TETRADEMOD_H
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#define INCLUDE_TETRADEMOD_H
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#include "dsp/samplesink.h"
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#include "dsp/nco.h"
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#include "dsp/interpolator.h"
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#include "util/message.h"
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class MessageQueue;
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class TetraDemod : public SampleSink {
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public:
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TetraDemod(SampleSink* sampleSink);
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~TetraDemod();
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void configure(MessageQueue* messageQueue);
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void feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly);
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void start();
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void stop();
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bool handleMessage(Message* cmd);
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private:
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class MsgConfigureTetraDemod : public Message {
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public:
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static MessageRegistrator ID;
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static MsgConfigureTetraDemod* create()
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{
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return new MsgConfigureTetraDemod();
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}
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private:
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MsgConfigureTetraDemod() :
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Message(ID())
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{ }
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};
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int m_sampleRate;
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int m_frequency;
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NCO m_nco;
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Interpolator m_interpolator;
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Real m_sampleDistanceRemain;
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SampleSink* m_sampleSink;
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SampleVector m_sampleBuffer;
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};
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#endif // INCLUDE_TETRADEMOD_H
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