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/*
Copyright (C) 2000 Jeff Tranter
tranter@pobox.com
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "artsmodulessynth.h"
#include "stdsynthmodule.h"
using namespace Arts;
// A square wave with a programmable duty cycle. The duty cycle should
// be in the range 0..1.
class Synth_WAVE_PULSE_impl : virtual public Synth_WAVE_PULSE_skel,
virtual public StdSynthModule
{
protected:
float _dutycycle;
public:
float dutycycle() { return _dutycycle; }
void dutycycle(float newDutycycle) { _dutycycle = newDutycycle; }
void calculateBlock(unsigned long samples)
{
unsigned long i;
for(i=0;i<samples;i++)
{
outvalue[i] = (pos[i] < _dutycycle) ? 1.0 : -1.0;
}
}
};
REGISTER_IMPLEMENTATION(Synth_WAVE_PULSE_impl);
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