mirror of
				https://github.com/f4exb/sdrangel.git
				synced 2025-11-03 13:11:20 -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 SDRANGEL_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
 |