mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-09-17 02:16:33 -04:00
76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
|
///////////////////////////////////////////////////////////////////////////////////
|
||
|
|
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
||
|
|
// (C) 2015 John Greb //
|
||
|
|
// //
|
||
|
|
// This program 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 as version 3 of the License, or //
|
||
|
|
// //
|
||
|
|
// This program 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 V3 for more details. //
|
||
|
|
// //
|
||
|
|
// You should have received a copy of the GNU General Public License //
|
||
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
||
|
|
///////////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
#ifndef INCLUDE_LoRaDEMOD_H
|
||
|
|
#define INCLUDE_LoRaDEMOD_H
|
||
|
|
|
||
|
|
#include <vector>
|
||
|
|
#include "dsp/samplesink.h"
|
||
|
|
#include "dsp/nco.h"
|
||
|
|
#include "dsp/interpolator.h"
|
||
|
|
#include "util/message.h"
|
||
|
|
|
||
|
|
class LoRaDemod : public SampleSink {
|
||
|
|
public:
|
||
|
|
LoRaDemod(SampleSink* sampleSink);
|
||
|
|
~LoRaDemod();
|
||
|
|
|
||
|
|
void configure(MessageQueue* messageQueue, Real Bandwidth);
|
||
|
|
|
||
|
|
void feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool pO);
|
||
|
|
void start();
|
||
|
|
void stop();
|
||
|
|
bool handleMessage(Message* cmd);
|
||
|
|
|
||
|
|
private:
|
||
|
|
class MsgConfigureLoRaDemod : public Message {
|
||
|
|
MESSAGE_CLASS_DECLARATION
|
||
|
|
|
||
|
|
public:
|
||
|
|
Real getBandwidth() const { return m_Bandwidth; }
|
||
|
|
|
||
|
|
static MsgConfigureLoRaDemod* create(Real Bandwidth)
|
||
|
|
{
|
||
|
|
return new MsgConfigureLoRaDemod(Bandwidth);
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
Real m_Bandwidth;
|
||
|
|
|
||
|
|
MsgConfigureLoRaDemod(Real Bandwidth) :
|
||
|
|
Message(),
|
||
|
|
m_Bandwidth(Bandwidth)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
Real m_Bandwidth;
|
||
|
|
int m_sampleRate;
|
||
|
|
int m_frequency;
|
||
|
|
int m_freq;
|
||
|
|
int m_angle;
|
||
|
|
|
||
|
|
NCO m_nco;
|
||
|
|
Interpolator m_interpolator;
|
||
|
|
Real m_sampleDistanceRemain;
|
||
|
|
|
||
|
|
SampleSink* m_sampleSink;
|
||
|
|
SampleVector m_sampleBuffer;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // INCLUDE_LoRaDEMOD_H
|