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synth_tonesweep.h
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/* Audio Library for Teensy 3.X
* Copyright (c) 2014, Pete (El Supremo)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef synth_tonesweep_h_
#define synth_tonesweep_h_
#include "Arduino.h"
#include "AudioStream.h"
// A u d i o S y n t h T o n e S w e e p
// Written by Pete (El Supremo) Feb 2014
class AudioSynthToneSweep : public AudioStream
{
public:
AudioSynthToneSweep(void) :
AudioStream(0,NULL), sweep_busy(0)
{ }
boolean play(float t_amp,int t_lo,int t_hi,float t_time);
virtual void update(void);
unsigned char isPlaying(void);
private:
short tone_amp;
unsigned int tone_lo;
unsigned int tone_hi;
uint64_t tone_freq;
uint64_t tone_phase;
uint64_t tone_incr;
int tone_sign;
unsigned char sweep_busy;
};
#endif