You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
120 lines
3.1 KiB
120 lines
3.1 KiB
/*
|
|
MicroMDAEPiano
|
|
|
|
MicroMDAEPiano is a port of the MDA-EPiano sound engine
|
|
(https://sourceforge.net/projects/mda-vst/) for the Teensy-3.5/3.6 with audio shield.
|
|
|
|
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; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
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 for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software Foundation,
|
|
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef __mdaEPiano__
|
|
#define __mdaEPiano__
|
|
|
|
#include <Audio.h>
|
|
#include <Arduino.h>
|
|
#include <string.h>
|
|
#include "config.h"
|
|
|
|
#define NPARAMS 12 //number of parameters
|
|
#define NPROGS 8 //number of programs
|
|
#define NOUTS 2 //number of outputs
|
|
//#define NVOICES 32 //max polyphony
|
|
#define SUSTAIN 128
|
|
#define SILENCE 0.0001f //voice choking
|
|
#define WAVELEN 422414 //wave data bytes
|
|
|
|
class mdaEPianoProgram
|
|
{
|
|
friend class mdaEPiano;
|
|
private:
|
|
float param[NPARAMS];
|
|
char name[24];
|
|
};
|
|
|
|
struct VOICE //voice state
|
|
{
|
|
int32_t delta; //sample playback
|
|
int32_t frac;
|
|
int32_t pos;
|
|
int32_t end;
|
|
int32_t loop;
|
|
|
|
float env; //envelope
|
|
float dec;
|
|
|
|
float f0; //first-order LPF
|
|
float f1;
|
|
float ff;
|
|
|
|
float outl;
|
|
float outr;
|
|
int32_t note; //remember what note triggered this
|
|
};
|
|
|
|
|
|
struct KGRP //keygroup
|
|
{
|
|
int32_t root; //MIDI root note
|
|
int32_t high; //highest note
|
|
int32_t pos;
|
|
int32_t end;
|
|
int32_t loop;
|
|
};
|
|
|
|
class mdaEPiano //: public AudioEffectX
|
|
{
|
|
public:
|
|
mdaEPiano(); // mdaEPiano(audioMasterCallback audioMaster);
|
|
~mdaEPiano();
|
|
|
|
virtual void process(float *outputs_r, float *outputs_l);
|
|
virtual bool processMidiMessage(uint8_t type, uint8_t data1, uint8_t data2);
|
|
virtual void setProgram(int32_t program);
|
|
virtual void setParameter(int32_t index, float value);
|
|
virtual float getParameter(int32_t index);
|
|
virtual void resume();
|
|
|
|
int32_t guiUpdate;
|
|
void guiGetDisplay(int32_t index, char *label);
|
|
|
|
private:
|
|
void update(); //my parameter update
|
|
void noteOn(int32_t note, int32_t velocity);
|
|
void fillpatch(int32_t p, char *name, float p0, float p1, float p2, float p3, float p4,
|
|
float p5, float p6, float p7, float p8, float p9, float p10,float p11);
|
|
|
|
mdaEPianoProgram* programs;
|
|
float Fs, iFs;
|
|
|
|
#define EVENTBUFFER 120
|
|
#define EVENTS_DONE 99999999
|
|
int32_t notes[EVENTBUFFER + 8]; //list of delta|note|velocity for current block
|
|
|
|
///global internal variables
|
|
KGRP kgrp[34];
|
|
VOICE voice[NVOICES];
|
|
int32_t activevoices, poly;
|
|
short *waves;
|
|
float width;
|
|
int32_t size, sustain;
|
|
float lfo0, lfo1, dlfo, lmod, rmod;
|
|
float treb, tfrq, tl, tr;
|
|
float tune, fine, random, stretch, overdrive;
|
|
float muff, muffvel, sizevel, velsens, volume, modwhl;
|
|
|
|
uint8_t curProgram;
|
|
};
|
|
|
|
#endif
|
|
|