mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-18 14:21:49 -05:00
46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
|
// written by Christian Daniel //
|
|
// //
|
|
// 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_NCO_H
|
|
#define INCLUDE_NCO_H
|
|
|
|
#include "dsp/dsptypes.h"
|
|
#include "util/export.h"
|
|
|
|
class SDRANGELOVE_API NCO {
|
|
private:
|
|
enum {
|
|
TableSize = (1 << 12),
|
|
};
|
|
static Real m_table[TableSize];
|
|
static bool m_tableInitialized;
|
|
|
|
static void initTable();
|
|
|
|
int m_phaseIncrement;
|
|
int m_phase;
|
|
|
|
public:
|
|
NCO();
|
|
|
|
void setFreq(Real freq, Real sampleRate);
|
|
Real next();
|
|
Complex nextIQ();
|
|
};
|
|
|
|
#endif // INCLUDE_NCO_H
|