MicroDexed is a compatible 6-operator-FM-synth based on the Teensy(-3.6/-4.x) Microcontroller. https://www.parasitstudio.de
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/*
MicroDexed
MicroDexed is a port of the Dexed sound engine
(https://github.com/asb2m10/dexed) for the Teensy-3.5/3.6/4.x with audio shield.
Dexed ist heavily based on https://github.com/google/music-synthesizer-for-android
(c)2018-2021 H. Wirtz <wirtz@parasitstudio.de>
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 DEXED_H_INCLUDED
#define DEXED_H_INCLUDED
#include <Arduino.h>
#include "controllers.h"
#include "dx7note.h"
#include "lfo.h"
#include "synth.h"
#include "fm_core.h"
#include "EngineMkI.h"
#include "EngineOpl.h"
#include "PluginFx.h"
#include <Audio.h>
#include "config.h"
extern bool load_sysex(uint8_t bank, uint8_t voice_number);
extern AudioControlSGTL5000 sgtl5000_1;
extern float vol;
extern float vol_right;
extern float vol_left;
struct ProcessorVoice {
int16_t midi_note;
uint8_t velocity;
int16_t porta;
bool keydown;
bool sustained;
bool live;
uint32_t key_pressed_timer;
Dx7Note *dx7_note;
};
enum DexedEngineResolution {
DEXED_ENGINE_MODERN, // 0
DEXED_ENGINE_MARKI, // 1
DEXED_ENGINE_OPL // 2
};
enum DexedVoiceOPParameters {
DEXED_OP_EG_R1, // 0
DEXED_OP_EG_R2, // 1
DEXED_OP_EG_R3, // 2
DEXED_OP_EG_R4, // 3
DEXED_OP_EG_L1, // 4
DEXED_OP_EG_L2, // 5
DEXED_OP_EG_L3, // 6
DEXED_OP_EG_L4, // 7
DEXED_OP_LEV_SCL_BRK_PT, // 8
DEXED_OP_SCL_LEFT_DEPTH, // 9
DEXED_OP_SCL_RGHT_DEPTH, // 10
DEXED_OP_SCL_LEFT_CURVE, // 11
DEXED_OP_SCL_RGHT_CURVE, // 12
DEXED_OP_OSC_RATE_SCALE, // 13
DEXED_OP_AMP_MOD_SENS, // 14
DEXED_OP_KEY_VEL_SENS, // 15
DEXED_OP_OUTPUT_LEV, // 16
DEXED_OP_OSC_MODE, // 17
DEXED_OP_FREQ_COARSE, // 18
DEXED_OP_FREQ_FINE, // 19
DEXED_OP_OSC_DETUNE // 20
};
#define DEXED_VOICE_OFFSET 126
enum DexedVoiceParameters {
DEXED_PITCH_EG_R1, // 0
DEXED_PITCH_EG_R2, // 1
DEXED_PITCH_EG_R3, // 2
DEXED_PITCH_EG_R4, // 3
DEXED_PITCH_EG_L1, // 4
DEXED_PITCH_EG_L2, // 5
DEXED_PITCH_EG_L3, // 6
DEXED_PITCH_EG_L4, // 7
DEXED_ALGORITHM, // 8
DEXED_FEEDBACK, // 9
DEXED_OSC_KEY_SYNC, // 10
DEXED_LFO_SPEED, // 11
DEXED_LFO_DELAY, // 12
DEXED_LFO_PITCH_MOD_DEP, // 13
DEXED_LFO_AMP_MOD_DEP, // 14
DEXED_LFO_SYNC, // 15
DEXED_LFO_WAVE, // 16
DEXED_LFO_PITCH_MOD_SENS, // 17
DEXED_TRANSPOSE, // 18
DEXED_NAME // 19
};
/* #define DEXED_GLOBAL_PARAMETER_OFFSET 155
enum DexedGlobalParameters {
DEXED_PITCHBEND_RANGE, // 0
DEXED_PITCHBEND_STEP, // 1
DEXED_MODWHEEL_RANGE, // 2
DEXED_MODWHEEL_ASSIGN, // 3
DEXED_FOOTCTRL_RANGE, // 4
DEXED_FOOTCTRL_ASSIGN, // 5
DEXED_BREATHCTRL_RANGE, // 6
DEXED_BREATHCTRL_ASSIGN, // 7
DEXED_AT_RANGE, // 8
DEXED_AT_ASSIGN, // 9
DEXED_MASTER_TUNE, // 10
DEXED_OP1_ENABLE, // 11
DEXED_OP2_ENABLE, // 12
DEXED_OP3_ENABLE, // 13
DEXED_OP4_ENABLE, // 14
DEXED_OP5_ENABLE, // 15
DEXED_OP6_ENABLE, // 16
DEXED_MAX_NOTES, // 17
DEXED_PORTAMENTO_MODE, // 18
DEXED_PORTAMENTO_GLISSANDO, // 19
DEXED_PORTAMENTO_TIME, // 20
}; */
// GLOBALS
//==============================================================================
class Dexed
{
public:
Dexed(int rate);
~Dexed();
void activate(void);
void deactivate(void);
uint8_t getEngineType();
void setEngineType(uint8_t tp);
bool isMonoMode(void);
void setMonoMode(bool mode);
void setRefreshMode(bool mode);
void getSamples(uint16_t n_samples, int16_t* buffer);
void panic(void);
void notesOff(void);
void resetControllers(void);
void setMaxNotes(uint8_t n);
uint8_t getMaxNotes(void);
void doRefreshVoice(void);
void setOPs(uint8_t ops);
bool decodeVoice(uint8_t* encoded_data, uint8_t* data);
bool encodeVoice(uint8_t* encoded_data);
bool getVoiceData(uint8_t* data_copy);
bool loadVoiceParameters(uint8_t* data);
bool loadGlobalParameters(uint8_t* data);
bool initGlobalParameters(void);
void keyup(int16_t pitch);
void keydown(int16_t pitch, uint8_t velo);
void setSustain(bool sustain);
bool getSustain(void);
uint8_t getNumNotesPlaying(void);
void setPBController(uint8_t pb_range, uint8_t pb_step);
void setMWController(uint8_t mw_range, uint8_t mw_assign, uint8_t mw_mode);
void setFCController(uint8_t fc_range, uint8_t fc_assign, uint8_t fc_mode);
void setBCController(uint8_t bc_range, uint8_t bc_assign, uint8_t bc_mode);
void setATController(uint8_t at_range, uint8_t at_assign, uint8_t at_mode);
void setPortamentoMode(uint8_t portamento_mode, uint8_t portamento_glissando, uint8_t portamento_time);
ProcessorVoice voices[MAX_NOTES];
Controllers controllers;
PluginFx fx;
uint8_t data[156] = {
95, 29, 20, 50, 99, 95, 00, 00, 41, 00, 19, 00, 00, 03, 00, 06, 79, 00, 01, 00, 14, // OP6 eg_rate_1-4, level_1-4, kbd_lev_scl_brk_pt, kbd_lev_scl_lft_depth, kbd_lev_scl_rht_depth, kbd_lev_scl_lft_curve, kbd_lev_scl_rht_curve, kbd_rate_scaling, amp_mod_sensitivity, key_vel_sensitivity, operator_output_level, osc_mode, osc_freq_coarse, osc_freq_fine, osc_detune
95, 20, 20, 50, 99, 95, 00, 00, 00, 00, 00, 00, 00, 03, 00, 00, 99, 00, 01, 00, 00, // OP5
95, 29, 20, 50, 99, 95, 00, 00, 00, 00, 00, 00, 00, 03, 00, 06, 89, 00, 01, 00, 07, // OP4
95, 20, 20, 50, 99, 95, 00, 00, 00, 00, 00, 00, 00, 03, 00, 02, 99, 00, 01, 00, 07, // OP3
95, 50, 35, 78, 99, 75, 00, 00, 00, 00, 00, 00, 00, 03, 00, 07, 58, 00, 14, 00, 07, // OP2
96, 25, 25, 67, 99, 75, 00, 00, 00, 00, 00, 00, 00, 03, 00, 02, 99, 00, 01, 00, 10, // OP1
94, 67, 95, 60, 50, 50, 50, 50, // 4 * pitch EG rates, 4 * pitch EG level
04, 06, 00, // algorithm, feedback, osc sync
34, 33, 00, 00, 00, 04, // lfo speed, lfo delay, lfo pitch_mod_depth, lfo_amp_mod_depth, lfo_sync, lfo_waveform
03, 24, // pitch_mod_sensitivity, transpose
69, 68, 80, 56, 85, 76, 84, 00, 00, 00 // 10 * char for name ("DEFAULT ")
}; // FM-Piano
int lastKeyDown;
protected:
static const uint8_t MAX_ACTIVE_NOTES = MAX_NOTES;
uint8_t max_notes = MAX_ACTIVE_NOTES;
int16_t currentNote;
bool sustain;
float vuSignal;
bool monoMode;
bool refreshMode;
bool refreshVoice;
uint8_t engineType;
VoiceStatus voiceStatus;
Lfo lfo;
FmCore* engineMsfa;
EngineMkI* engineMkI;
EngineOpl* engineOpl;
};
#endif // PLUGINPROCESSOR_H_INCLUDED