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teensymoog
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Pierre-Loup Martin 4 years ago
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  1. 285
      minimoog_mega_1/defs.h
  2. 266
      minimoog_mega_1/minimoog_mega_1.ino
  3. 285
      minimoog_mega_2/defs.h
  4. 253
      minimoog_mega_2/minimoog_mega_2.ino
  5. 96
      minimoog_teensy/audio_setup.h
  6. 283
      minimoog_teensy/defs.h
  7. 657
      minimoog_teensy/minimoog_teensy.ino
  8. BIN
      misc/Controls.ods
  9. 34
      misc/ribbon pinout.txt
  10. 3612
      panels/dxf/minimoog - capot arrière inferieur - doublure.dxf
  11. 9394
      panels/dxf/minimoog - capot arrière inferieur - texte.dxf
  12. 5182
      panels/dxf/minimoog - capot arrière inferieur.dxf
  13. 1164
      panels/dxf/minimoog - capot arrière supérieur.dxf
  14. 3868
      panels/dxf/minimoog - capot fond inferieur.dxf
  15. 52912
      panels/dxf/minimoog - facade 3 - texte applati.dxf
  16. 32510
      panels/dxf/minimoog - facade.dxf
  17. 578
      panels/svg/minimoog - capot arrière inferieur.svg
  18. 174
      panels/svg/minimoog - capot arrière supérieur.svg
  19. 4025
      panels/svg/minimoog - facade.svg

285
minimoog_mega_1/defs.h
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// Minimoog
/*
* This program is part of a minimoog-like synthesizer based on teensy 4.0
* Copyright (C) 2020 Pierre-Loup Martin
*
* 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, see <http://www.gnu.org/licenses/>.
*/
/* This program is a synthesizer very similar to the minimoog model D.
* It is intended to run on a Teensy 4.0, using the PJRC audio library.
* It also uses two Arduino Mega boards to manage all the user inputs :
* keyboard, switches, potentiometers, etc.
* All user inputs are handled and send to the teensy board using midi commands
*/
#define CC0 0
#define CC1 1
#define CC2 2
#define CC3 3
#define CC4 4
#define CC5 5
#define CC6 6
#define CC7 7
#define CC8 8
#define CC9 9
#define CC10 10
#define CC11 11
#define CC12 12
#define CC13 13
#define CC14 14
#define CC15 15
#define CC16 16
#define CC17 17
#define CC18 18
#define CC19 19
#define CC20 20
#define CC21 21
#define CC22 22
#define CC23 23
#define CC24 24
#define CC25 25
#define CC26 26
#define CC27 27
#define CC28 28
#define CC29 29
#define CC30 30
#define CC31 31
#define CC32 32
#define CC33 33
#define CC34 34
#define CC35 35
#define CC36 36
#define CC37 37
#define CC38 38
#define CC39 39
#define CC40 40
#define CC41 41
#define CC42 42
#define CC43 43
#define CC44 44
#define CC45 45
#define CC46 46
#define CC47 47
#define CC48 48
#define CC49 49
#define CC50 50
#define CC51 51
#define CC52 52
#define CC53 53
#define CC54 54
#define CC55 55
#define CC56 56
#define CC57 57
#define CC58 58
#define CC59 59
#define CC60 60
#define CC61 61
#define CC62 62
#define CC63 63
#define CC64 64
#define CC65 65
#define CC66 66
#define CC67 67
#define CC68 68
#define CC69 69
#define CC70 70
#define CC71 71
#define CC72 72
#define CC73 73
#define CC74 74
#define CC75 75
#define CC76 76
#define CC77 77
#define CC78 78
#define CC79 79
#define CC80 80
#define CC81 81
#define CC82 82
#define CC83 83
#define CC84 84
#define CC85 85
#define CC86 86
#define CC87 87
#define CC88 88
#define CC89 89
#define CC90 90
#define CC91 91
#define CC92 92
#define CC93 93
#define CC94 94
#define CC95 95
#define CC96 96
#define CC97 97
#define CC98 98
#define CC99 99
#define CC100 100
#define CC101 101
#define CC102 102
#define CC103 103
#define CC104 104
#define CC105 105
#define CC106 106
#define CC107 107
#define CC108 108
#define CC109 109
#define CC110 110
#define CC111 111
#define CC112 112
#define CC113 113
#define CC114 114
#define CC115 115
#define CC116 116
#define CC117 117
#define CC118 118
#define CC119 119
#define CC120 120
#define CC121 121
#define CC122 122
#define CC123 123
#define CC124 124
#define CC125 125
#define CC126 126
#define CC127 127
// #define CC_BANK_SELECT CC0
#define CC_MOD_WHEEL CC1
// #define CC_BREATH_CTRL CC2
#define CC_MODULATION_MIX CC3
// #define CC_FOOT_CTRL CC4
#define CC_PORTAMENTO_TIME CC5
// #define CC_DATA_ENTRY_MSB CC6
// #define CC_CHANNEL_VOL CC7
// #define CC_BALANCE CC8
#define CC_OSC_TUNE CC9
// #define CC_PAN CC10
// #define CC_EXPRESSION_CTRL CC11
#define CC_OSC2_TUNE CC12
#define CC_OSC3_TUNE CC13
#define CC_OSC1_MIX CC14
#define CC_OSC2_MIX CC15
#define CC_OSC3_MIX CC16
#define CC_NOISE_MIX CC17
#define CC_FEEDBACK_MIX CC18
#define CC_FILTER_BAND CC19
#define CC_FILTER_CUTOFF_FREQ CC20
#define CC_FILTER_EMPHASIS CC21
#define CC_FILTER_CONTOUR CC22
#define CC_FILTER_ATTACK CC23
#define CC_FILTER_DECAY CC24
#define CC_FILTER_SUSTAIN CC25
#define CC_FILTER_RELEASE CC26
#define CC_EG_ATTACK CC27
#define CC_EG_DECAY CC28
#define CC_EG_SUSTAIN CC29
#define CC_EG_RELEASE CC30
#define CC_LFO_RATE CC31
// #define CC_BANK_SELECT_LSB CC32
#define CC_MOD_WHEEL_LSB CC33
// #define CC_BREATH_CTRL_LSB CC34
#define CC_MODULATION_MIX_LSB CC35
// #define CC_FOOT_CTRL_LSB CC36
#define CC_PORTAMENTO_TIME_LSB CC37
// #define CC_DATA_ENTRY_MSB_LSB CC38
// #define CC_CHANNEL_VOL_LSB CC39
// #define CC_BALANCE_LSB CC40
#define CC_OSC_TUNE_LSB CC41
// #define CC_PAN_LSB CC42
// #define CC_EXPRESSION_CTRL_LSB CC43
#define CC_OSC2_TUNE_LSB CC44
#define CC_OSC3_TUNE_LSB CC45
#define CC_OSC1_MIX_LSB CC46
#define CC_OSC2_MIX_LSB CC47
#define CC_OSC3_MIX_LSB CC48
#define CC_NOISE_MIX_LSB CC49
#define CC_FEEDBACK_MIX_LSB CC50
#define CC_FILTER_BAND_LSB CC51
#define CC_FILTER_CUTOFF_FREQ_LSB CC52
#define CC_FILTER_EMPHASIS_LSB CC53
#define CC_FILTER_CONTOUR_LSB CC54
#define CC_FILTER_ATTACK_LSB CC55
#define CC_FILTER_DECAY_LSB CC56
#define CC_FILTER_SUSTAIN_LSB CC57
#define CC_FILTER_RELEASE_LSB CC58
#define CC_EG_ATTACK_LSB CC59
#define CC_EG_DECAY_LSB CC60
#define CC_EG_SUSTAIN_LSB CC61
#define CC_EG_RELEASE_LSB CC62
#define CC_LFO_RATE_LSB CC63
// #define CC_DAMPER_PEDAL_ON_OFF CC64
#define CC_PORTAMENTO_ON_OFF CC65
// #define CC_SOSTENUTO_ON_OFF CC66
// #define CC_SOFT_PEDAL_ON_OFF CC67
// #define CC_LEGATO_PEDAL CC68
// #define CC_HOLD_2 CC69
// #define CC_SOUND_CTRL_1 CC70
// #define CC_SOUND_CTRL_2 CC71
// #define CC_SOUND_CTRL_3 CC72
// #define CC_SOUND_CTRL_4 CC73
// #define CC_SOUND_CTRL_5 CC74
// #define CC_SOUND_CTRL_6 CC75
// #define CC_SOUND_CTRL_7 CC76
// #define CC_SOUND_CTRL_8 CC77
// #define CC_SOUND_CTRL_9 CC78
// #define CC_SOUND_CTRL_10 CC79
// #define CC_GEN_PURPOSE_CTRL_5 CC80
// #define CC_GEN_PURPOSE_CTRL_6 CC81
// #define CC_GEN_PURPOSE_CTRL_7 CC82
// #define CC_GEN_PURPOSE_CTRL_8 CC83
// #define CC_PORTAMENTO_CTRL CC84
// #define CC_ CC85
// #define CC_ CC86
// #define CC_ CC87
// #define CC_ CC88
// #define CC_ CC89
#define CC_ASK_FOR_DATA CC90
#define CC_BITCRUSH_OUT CC91
// #define CC_EFFECT_2_DEPTH CC92
// #define CC_EFFECT_3_DEPTH CC93
// #define CC_EFFECT_4_DEPTH CC94
// #define CC_EFFECT_5_DEPTH CC95
// #define CC_DATA_INC CC96
// #define CC_DATA_DEC CC97
// #define CC_NRPN_LSB CC98
// #define CC_NRPN_MSB CC99
// #define CC_RPN_LSB CC100
// #define CC_RPN_MSB CC101
#define CC_OSC1_RANGE CC102
#define CC_OSC1_WAVEFORM CC103
#define CC_OSC2_RANGE CC104
#define CC_OSC2_WAVEFORM CC105
#define CC_OSC3_RANGE CC106
#define CC_OSC3_WAVEFORM CC107
#define CC_OSC3_CTRL CC108
#define CC_FILTER_MOD CC109
#define CC_FILTER_KEYTRACK_1 CC110
#define CC_FILTER_KEYTRACK_2 CC111
#define CC_TRANSPOSE CC112
#define CC_FUNCTION CC113
#define CC_NOISE_COLOR CC114
#define CC_OSC_MOD CC115
#define CC_DECAY_SW CC116
#define CC_MOD_MIX_1 CC117
#define CC_MOD_MIX_2 CC118
#define CC_LFO_SHAPE CC119
// #define CC_ALL_SOUND_OFF CC120
// #define CC_RST_ALL_CTRL CC121
// #define CC_LOCAL_CTRL_ON_OFF CC122
// #define CC_ALL_NOTE_OFF CC123
// #define CC_OMNI_MODE_OFF CC124
// #define CC_OMNI_MODE_ON CC125
// #define CC_MONO_MODE_ON CC126
// #define CC_POLY_MODE_ON CC127

266
minimoog_mega_1/minimoog_mega_1.ino
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// Minimoog - mega 1
/*
* This program is part of a minimoog-like synthesizer based on teensy 4.0
* Copyright (C) 2020 Pierre-Loup Martin
*
* 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, see <http://www.gnu.org/licenses/>.
*/
/* This program is a synthesizer very similar to the minimoog model D.
* It is intended to run on a Teensy 4.0, using the PJRC audio library.
* It also uses two Arduino Mega boards to manage all the user inputs :
* keyboard, switches, potentiometers, etc.
* All user inputs are handled and send to the teensy board using midi commands
*/
/*
* This program is for the Arduino Mega 1, it handles the readings of :
* Category input type pin MIDI
*
* Keyboard
* Keys switch 22-51 note on / note off
* Modulation
* LFO rate pot A0 CC 30
* modulation mix pot A1 CC 3
* glide pot A2 CC 5
* pitchbend wheel pot A3 pitchbend change
* modulation wheel pot A4 CC 1
* modulation mix 1 switch 2 CC 117
* modulation mix 2 switch 3 CC 118
* osc modulation switch 4 CC 115
* glide switch 5 CC 65
* LFO waveform switch 6 CC 119
* Oscillators
* osc 1 range switch A5 CC 102
* osc 1 waveform switch A6 CC 103
* osc 2 range switch A7 CC 104
* osc 2 waveform switch A8 CC 105
* osc 3 range switch A9 CC 106
* osc 3 waveform switch A10 CC 107
* osc 3 control switch 7 CC 108
* Mixer
* osc 1 mix pot A11 CC 85
* osc 2 mix pot A12 CC 86
* osc 3 mix pot A13 CC 87
* noise mix pot A14 CC 88
* external mix pot A15 CC 89
* osc 1 switch 8 Directly added to mix
* osc 2 switch 9 ditto
* osc 3 switch 10 ditto
* noise switch 11 ditto
* external switch 12 ditto
* noise color switch 13 CC 114
* Other
* function switch 14 CC 113
* transpose + switch 52 CC 112
* transpose - switch 53 CC 112
* Communication
* TX1 to mega 2 18
* RX1 from mega 2 19
*/
// includes
#include "MIDI.h"
#include "PushButton.h"
// Constants
const uint8_t NUM_KEYS = 30;
const uint8_t MIDI_OFFSET = 23; // to be modified
// Digital pin definition
const uint8_t KEYS[NUM_KEYS] = {
22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
46, 47, 48, 49, 50, 51
};
PushButton keys[NUM_KEYS];
const uint8_t PIN_MOD_MIX_1 = 2;
const uint8_t PIN_MOD_MIX_2 = 3;
const uint8_t PIN_OSC_MOD = 4;
const uint8_t PIN_GLIDE = 5;
const uint8_t PIN_DECAY = 6;
const uint8_t PIN_LFO_WAVEFORM = 7;
const uint8_t PIN_MIX_OSC_1 = 9;
const uint8_t PIN_MIX_OSC_2 = 10;
const uint8_t PIN_MIX_OSC_3 = 11;
const uint8_t PIN_MIX_OSC_NOISE = 12;
const uint8_t PIN_MIX_OSC_EXT = 13;
const uint8_t PIN_MIX_OSC_NOISE_COLOR = 14;
const uint8_t PIN_TRANSPOSE_PLUS = 52;
const uint8_t PIN_TRANSPOSE_MINUS = 53;
// Analog pin definition
const uint8_t APIN_LFO_RATE = A0;
const uint8_t APIN_MOD_MIX = A1;
const uint8_t APIN_GLIDE = A2;
const uint8_t APIN_PITCH_WHEEL = A3;
const uint8_t APIN_MOD_WHEEL = A4;
const uint8_t APIN_OSC_1_RANGE = A5;
const uint8_t APIN_OSC_1_WAVEFORM = A6;
const uint8_t APIN_OSC_2_RANGE = A7;
const uint8_t APIN_OSC_2_WAVEFORM = A8;
const uint8_t APIN_OSC_3_RANGE = A9;
const uint8_t APIN_OSC_3_WAVEFORM = A10;
const uint8_t APIN_MIX_OSC_1 = A11;
const uint8_t APIN_MIX_OSC_2 = A12;
const uint8_t APIN_MIX_OSC_3 = A13;
const uint8_t APIN_MIX_NOISE = A14;
const uint8_t APIN_MIX_EXT = A15;
// Vars
// Keyboard
bool keyState[NUM_KEYS] = {};
// Modulation
uint16_t lfoRate = 0;
uint16_t modMix = 0;
uint16_t glide = 0;
uint16_t pitchWheel = 0;
uint16_t modWheel = 0;
bool modMix1 = 0;
bool modMix2 = 0;
bool oscMod = 0;
bool glideEn = 0;
bool decayEn = 0;
bool lfoWaveform = 0;
// Oscillators
uint8_t osc1Range = 0;
uint8_t osc1Waveform = 0;
uint8_t osc2Range = 0;
uint8_t osc2Waveform = 0;
uint8_t osc3Range = 0;
uint8_t osc3Waveform = 0;
bool osc3Control = 0;
// Mixer
uint16_t osc1Mix = 0;
uint16_t osc2Mix = 0;
uint16_t osc3Mix = 0;
uint16_t feedbackMix = 0;
uint16_t noiseMix = 0;
bool osc1MixSw = 0;
bool osc2MixSw = 0;
bool osc3MixSw = 0;
bool feedbackMixSw = 0;
bool noiseMixSw = 0;
// Miscellaneous
bool function = 0;
uint8_t defaultVelocity = 96;
bool update = 0;
struct midiSettings : public midi::DefaultSettings{
// static const bool UseRunningStatus = true;
static const long BaudRate = 115200;
};
// The one we use on synth
//MIDI_CREATE_CUSTOM_INSTANCE(HardwareSerial, Serial1, midi1, midiSettings);
// For debug purposes
MIDI_CREATE_CUSTOM_INSTANCE(HardwareSerial, Serial, midi1, midiSettings);
void setup(){
// initialisation
// Serial is for debug
//Serial.begin(115200);
midi1.setHandleControlChange(handleControlChange);
midi1.begin(1);
// Serial 1 is for sending and receiving messages to and from Teensy
// Serial1.begin(115200);
// Serial 2 is for sending and receiving messages to and from Mega 2
// Serial2.begin(115200);
// keys
/*
for(uint8_t i = 0; i < NUM_KEYS; ++i){
keyState[i] = 0;
pinMode(KEYS[i], INPUT_PULLUP);
}
*/
for(uint8_t i = 0; i < NUM_KEYS; ++i){
keys[i].begin(KEYS[i], INPUT_PULLUP);
keys[i].setDebounceDelay(1);
}
}
void loop(){
midi1.read();
updateKeys();
updateControls();
updateSwitches();
update = 0;
}
void updateKeys(){
// reading keys
for(uint8_t i = 0; i < NUM_KEYS; ++i){
/*
bool newState = digitalRead(KEYS[i]);
if(newState != keyState[i]){
uint8_t key = i + MIDI_OFFSET;
keyState[i] = newState;
if(newState){
// MIDI note on
midi1.sendNoteOn(key, defaultVelocity, 1);
} else {
// MIDI note off
midi1.sendNoteOff(key, 0, 1);
}
}
*/
keys[i].update();
uint8_t key = i + MIDI_OFFSET;
if(keys[i].justPressed()){
midi1.sendNoteOn(key, defaultVelocity, 1);
} else if(keys[i].justReleased()){
midi1.sendNoteOff(key, 0, 1);
} else {
// do nothing
}
}
}
void updateControls(){
}
void updateSwitches(){
}
void handleControlChange(uint8_t channel, uint8_t command, uint8_t value){
switch(command){
case CC_ASK_FOR_DATA:
update = 1;
break;
}
}

285
minimoog_mega_2/defs.h
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// Minimoog
/*
* This program is part of a minimoog-like synthesizer based on teensy 4.0
* Copyright (C) 2020 Pierre-Loup Martin
*
* 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, see <http://www.gnu.org/licenses/>.
*/
/* This program is a synthesizer very similar to the minimoog model D.
* It is intended to run on a Teensy 4.0, using the PJRC audio library.
* It also uses two Arduino Mega boards to manage all the user inputs :
* keyboard, switches, potentiometers, etc.
* All user inputs are handled and send to the teensy board using midi commands
*/
#define CC0 0
#define CC1 1
#define CC2 2
#define CC3 3
#define CC4 4
#define CC5 5
#define CC6 6
#define CC7 7
#define CC8 8
#define CC9 9
#define CC10 10
#define CC11 11
#define CC12 12
#define CC13 13
#define CC14 14
#define CC15 15
#define CC16 16
#define CC17 17
#define CC18 18
#define CC19 19
#define CC20 20
#define CC21 21
#define CC22 22
#define CC23 23
#define CC24 24
#define CC25 25
#define CC26 26
#define CC27 27
#define CC28 28
#define CC29 29
#define CC30 30
#define CC31 31
#define CC32 32
#define CC33 33
#define CC34 34
#define CC35 35
#define CC36 36
#define CC37 37
#define CC38 38
#define CC39 39
#define CC40 40
#define CC41 41
#define CC42 42
#define CC43 43
#define CC44 44
#define CC45 45
#define CC46 46
#define CC47 47
#define CC48 48
#define CC49 49
#define CC50 50
#define CC51 51
#define CC52 52
#define CC53 53
#define CC54 54
#define CC55 55
#define CC56 56
#define CC57 57
#define CC58 58
#define CC59 59
#define CC60 60
#define CC61 61
#define CC62 62
#define CC63 63
#define CC64 64
#define CC65 65
#define CC66 66
#define CC67 67
#define CC68 68
#define CC69 69
#define CC70 70
#define CC71 71
#define CC72 72
#define CC73 73
#define CC74 74
#define CC75 75
#define CC76 76
#define CC77 77
#define CC78 78
#define CC79 79
#define CC80 80
#define CC81 81
#define CC82 82
#define CC83 83
#define CC84 84
#define CC85 85
#define CC86 86
#define CC87 87
#define CC88 88
#define CC89 89
#define CC90 90
#define CC91 91
#define CC92 92
#define CC93 93
#define CC94 94
#define CC95 95
#define CC96 96
#define CC97 97
#define CC98 98
#define CC99 99
#define CC100 100
#define CC101 101
#define CC102 102
#define CC103 103
#define CC104 104
#define CC105 105
#define CC106 106
#define CC107 107
#define CC108 108
#define CC109 109
#define CC110 110
#define CC111 111
#define CC112 112
#define CC113 113
#define CC114 114
#define CC115 115
#define CC116 116
#define CC117 117
#define CC118 118
#define CC119 119
#define CC120 120
#define CC121 121
#define CC122 122
#define CC123 123
#define CC124 124
#define CC125 125
#define CC126 126
#define CC127 127
// #define CC_BANK_SELECT CC0
#define CC_MOD_WHEEL CC1
// #define CC_BREATH_CTRL CC2
#define CC_MODULATION_MIX CC3
// #define CC_FOOT_CTRL CC4
#define CC_PORTAMENTO_TIME CC5
// #define CC_DATA_ENTRY_MSB CC6
// #define CC_CHANNEL_VOL CC7
// #define CC_BALANCE CC8
#define CC_OSC_TUNE CC9
// #define CC_PAN CC10
// #define CC_EXPRESSION_CTRL CC11
#define CC_OSC2_TUNE CC12
#define CC_OSC3_TUNE CC13
#define CC_OSC1_MIX CC14
#define CC_OSC2_MIX CC15
#define CC_OSC3_MIX CC16
#define CC_NOISE_MIX CC17
#define CC_FEEDBACK_MIX CC18
#define CC_FILTER_BAND CC19
#define CC_FILTER_CUTOFF_FREQ CC20
#define CC_FILTER_EMPHASIS CC21
#define CC_FILTER_CONTOUR CC22
#define CC_FILTER_ATTACK CC23
#define CC_FILTER_DECAY CC24
#define CC_FILTER_SUSTAIN CC25
#define CC_FILTER_RELEASE CC26
#define CC_EG_ATTACK CC27
#define CC_EG_DECAY CC28
#define CC_EG_SUSTAIN CC29
#define CC_EG_RELEASE CC30
#define CC_LFO_RATE CC31
// #define CC_BANK_SELECT_LSB CC32
#define CC_MOD_WHEEL_LSB CC33
// #define CC_BREATH_CTRL_LSB CC34
#define CC_MODULATION_MIX_LSB CC35
// #define CC_FOOT_CTRL_LSB CC36
#define CC_PORTAMENTO_TIME_LSB CC37
// #define CC_DATA_ENTRY_MSB_LSB CC38
// #define CC_CHANNEL_VOL_LSB CC39
// #define CC_BALANCE_LSB CC40
#define CC_OSC_TUNE_LSB CC41
// #define CC_PAN_LSB CC42
// #define CC_EXPRESSION_CTRL_LSB CC43
#define CC_OSC2_TUNE_LSB CC44
#define CC_OSC3_TUNE_LSB CC45
#define CC_OSC1_MIX_LSB CC46
#define CC_OSC2_MIX_LSB CC47
#define CC_OSC3_MIX_LSB CC48
#define CC_NOISE_MIX_LSB CC49
#define CC_FEEDBACK_MIX_LSB CC50
#define CC_FILTER_BAND_LSB CC51
#define CC_FILTER_CUTOFF_FREQ_LSB CC52
#define CC_FILTER_EMPHASIS_LSB CC53
#define CC_FILTER_CONTOUR_LSB CC54
#define CC_FILTER_ATTACK_LSB CC55
#define CC_FILTER_DECAY_LSB CC56
#define CC_FILTER_SUSTAIN_LSB CC57
#define CC_FILTER_RELEASE_LSB CC58
#define CC_EG_ATTACK_LSB CC59
#define CC_EG_DECAY_LSB CC60
#define CC_EG_SUSTAIN_LSB CC61
#define CC_EG_RELEASE_LSB CC62
#define CC_LFO_RATE_LSB CC63
// #define CC_DAMPER_PEDAL_ON_OFF CC64
#define CC_PORTAMENTO_ON_OFF CC65
// #define CC_SOSTENUTO_ON_OFF CC66
// #define CC_SOFT_PEDAL_ON_OFF CC67
// #define CC_LEGATO_PEDAL CC68
// #define CC_HOLD_2 CC69
// #define CC_SOUND_CTRL_1 CC70
// #define CC_SOUND_CTRL_2 CC71
// #define CC_SOUND_CTRL_3 CC72
// #define CC_SOUND_CTRL_4 CC73
// #define CC_SOUND_CTRL_5 CC74
// #define CC_SOUND_CTRL_6 CC75
// #define CC_SOUND_CTRL_7 CC76
// #define CC_SOUND_CTRL_8 CC77
// #define CC_SOUND_CTRL_9 CC78
// #define CC_SOUND_CTRL_10 CC79
// #define CC_GEN_PURPOSE_CTRL_5 CC80
// #define CC_GEN_PURPOSE_CTRL_6 CC81
// #define CC_GEN_PURPOSE_CTRL_7 CC82
// #define CC_GEN_PURPOSE_CTRL_8 CC83
// #define CC_PORTAMENTO_CTRL CC84
// #define CC_ CC85
// #define CC_ CC86
// #define CC_ CC87
// #define CC_ CC88
// #define CC_ CC89
#define CC_ASK_FOR_DATA CC90
#define CC_BITCRUSH_OUT CC91
// #define CC_EFFECT_2_DEPTH CC92
// #define CC_EFFECT_3_DEPTH CC93
// #define CC_EFFECT_4_DEPTH CC94
// #define CC_EFFECT_5_DEPTH CC95
// #define CC_DATA_INC CC96
// #define CC_DATA_DEC CC97
// #define CC_NRPN_LSB CC98
// #define CC_NRPN_MSB CC99
// #define CC_RPN_LSB CC100
// #define CC_RPN_MSB CC101
#define CC_OSC1_RANGE CC102
#define CC_OSC1_WAVEFORM CC103
#define CC_OSC2_RANGE CC104
#define CC_OSC2_WAVEFORM CC105
#define CC_OSC3_RANGE CC106
#define CC_OSC3_WAVEFORM CC107
#define CC_OSC3_CTRL CC108
#define CC_FILTER_MOD CC109
#define CC_FILTER_KEYTRACK_1 CC110
#define CC_FILTER_KEYTRACK_2 CC111
#define CC_TRANSPOSE CC112
#define CC_FUNCTION CC113
#define CC_NOISE_COLOR CC114
#define CC_OSC_MOD CC115
#define CC_DECAY_SW CC116
#define CC_MOD_MIX_1 CC117
#define CC_MOD_MIX_2 CC118
#define CC_LFO_SHAPE CC119
// #define CC_ALL_SOUND_OFF CC120
// #define CC_RST_ALL_CTRL CC121
// #define CC_LOCAL_CTRL_ON_OFF CC122
// #define CC_ALL_NOTE_OFF CC123
// #define CC_OMNI_MODE_OFF CC124
// #define CC_OMNI_MODE_ON CC125
// #define CC_MONO_MODE_ON CC126
// #define CC_POLY_MODE_ON CC127

253
minimoog_mega_2/minimoog_mega_2.ino
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// Minimoog - mega 2
/*
* This program is part of a minimoog-like synthesizer based on teensy 4.0
* Copyright (C) 2020 Pierre-Loup Martin
*
* 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, see <http://www.gnu.org/licenses/>.
*/
/* This program is a synthesizer very similar to the minimoog model D.
* It is intended to run on a Teensy 4.0, using the PJRC audio library.
* It also uses two Arduino Mega boards to manage all the user inputs :
* keyboard, switches, potentiometers, etc.
* All user inputs are handled and send to the teensy board using midi commands
*/
/*
* This program is for the Arduino Mega 2, it handles the readings of :
* Category input type pin MIDI
*
* Oscillators
* global tune pot A0 CC 9
* osc 2 tune pot A1 CC 14
* osc 3 tune pot A2 CC 15
* Filter
* filter pass pot A3 CC 19
* cutoff frequency pot A4 CC 20
* emphasis pot A5 CC 21
* contour pot A6 CC 22
* attack pot A7 CC 23
* decay pot A8 CC 24
* sustain pot A9 CC 25
* release pot A10 CC 26
* filter modulation switch 2 CC 109
* keyboard control 1 switch 3 CC 110
* keyboard control 2 switch 4 CC 111
* Enveloppe
* attack pot A11 CC 27
* decay pot A12 CC 28
* sustain pot A13 CC 29
* release pot A14 CC 30
* Communication
* TX1 to teensy 18
* RX1 from teensy 19
* TX2 to mega 1 16
* RX2 from mega 1 17
*/
// includes
#include "MIDI.h"
#include "PushButton.h"
#include "ExpFilter.h"
#include "defs.h"
// Constants
const uint8_t NUM_SWITCHES = 3;
const uint8_t NUM_POTS = 15;
const uint8_t POT_FILTER_COEF = 10;
// Digital pin definition
const uint8_t PIN_FILTER_MOD = 2;
const uint8_t PIN_KEYBOARD_CTRL_1 = 3;
const uint8_t PIN_KEYBOARD_CTRL_2 = 4;
// Analog pin definition
const uint8_t APIN_GLOBAL_TUNE = A0;
const uint8_t APIN_OSC2_TUNE = A1;
const uint8_t APIN_OSC3_TUNE = A2;
const uint8_t APIN_FILTER_BAND = A3;
const uint8_t APIN_FILTER_CUTOFF = A4;
const uint8_t APIN_FILTER_EMPHASIS = A5;
const uint8_t APIN_FILTER_CONTOUR = A6;
const uint8_t APIN_FILTER_ATTACK = A7;
const uint8_t APIN_FILTER_DECAY = A8;
const uint8_t APIN_FILTER_SUSTAIN = A9;
const uint8_t APIN_FILTER_RELEASE = A10;
const uint8_t APIN_ATTACK = A11;
const uint8_t APIN_DECAY = A12;
const uint8_t APIN_SUSTAIN = A13;
const uint8_t APIN_RELEASE = A14;
const uint8_t apin[NUM_POTS] = {A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14};
// Variables
uint16_t potState[NUM_POTS] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
PushButton switches[NUM_SWITCHES];
ExpFilter pots[NUM_POTS];
bool update = 0;
struct midiSettings : public midi::DefaultSettings{
// static const bool UseRunningStatus = true;
static const long BaudRate = 115200;
};
// The one we use on synth
MIDI_CREATE_CUSTOM_INSTANCE(HardwareSerial, Serial1, midi1, midiSettings);
// For debug purposes
//MIDI_CREATE_CUSTOM_INSTANCE(HardwareSerial, Serial, midi1, midiSettings);
void setup(){
for(uint8_t i = 0; i < NUM_SWITCHES; ++i){
switches[i].begin(i + PIN_FILTER_MOD, INPUT_PULLUP);
switches[i].setDebounceDelay(1);
}
for (uint8_t i = 0; i < NUM_POTS; ++i){
pots[i].begin(analogRead(apin[i]));
pots[i].setCoef(POT_FILTER_COEF);
}
midi1.setHandleControlChange(handleControlChange);
midi1.begin(1);
midi1.turnThruOff();
}
void loop(){
midi1.read();
updateControls();
updateSwitches();
update = 0;
}
void updateControls(){
for(uint8_t i = 0; i < NUM_POTS; ++i){
uint16_t value = 0;
value = pots[i].filter(analogRead(apin[i]));
if((value != potState[i]) || update){
potState[i] = value;
} else {
// If not change, skip midi update
continue;
}
uint8_t controlChange = 0;
switch(i){
case 0:
controlChange = CC_OSC_TUNE;
break;
case 1:
controlChange = CC_OSC2_TUNE;
break;
case 2:
controlChange = CC_OSC3_TUNE;
break;
case 3:
controlChange = CC_FILTER_BAND;
break;
case 4:
controlChange = CC_FILTER_CUTOFF_FREQ;
break;
case 5:
controlChange = CC_FILTER_EMPHASIS;
break;
case 6:
controlChange = CC_FILTER_CONTOUR;
break;
case 7:
controlChange = CC_FILTER_ATTACK;
break;
case 8:
controlChange = CC_FILTER_DECAY;
break;
case 9:
controlChange = CC_FILTER_SUSTAIN;
break;
case 10:
controlChange = CC_FILTER_RELEASE;
break;
case 11:
controlChange = CC_EG_ATTACK;
break;
case 12:
controlChange = CC_EG_DECAY;
break;
case 13:
controlChange = CC_EG_SUSTAIN;
break;
case 14:
controlChange = CC_EG_RELEASE;
break;
default:
continue;
}
uint8_t valueHigh = value >> 7;
uint8_t valueLow = value & 0x7F;
midi1.sendControlChange(controlChange, valueHigh, 1);
midi1.sendControlChange(controlChange + 32, valueLow, 1);
}
}
void updateSwitches(){
for(uint8_t i = 0; i < NUM_SWITCHES; ++i){
uint8_t change = 0;
switches[i].update();
if(switches[i].justPressed()){
change = 127;
} else if(switches[i].justReleased()){
change = 0;
} else if(update){
change = (uint8_t)switches[i].isPressed();
change *= 127;
} else {
// If no change, skip the midi command sending.
continue;
}
uint8_t controlChange = 0;
switch(i){
case 0:
controlChange = CC_FILTER_MOD;
break;
case 1:
controlChange = CC_FILTER_KEYTRACK_1;
break;
case 2:
controlChange = CC_FILTER_KEYTRACK_2;
break;
default:
continue;
}
midi1.sendControlChange(controlChange, change, 1);
}
}
void handleControlChange(uint8_t channel, uint8_t command, uint8_t value){
switch(command){
case CC_ASK_FOR_DATA:
update = 1;
break;
}
}

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minimoog_teensy/audio_setup.h
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#include <Audio.h>
#include <Wire.h>
#include <SPI.h>
#include <SD.h>
#include <SerialFlash.h>
// GUItool: begin automatically generated code
AudioSynthWaveformDc dcFilterEnvelope; //xy=169.76666259765625,540.0000305175781
AudioSynthWaveformDc dcOscTune; //xy=228.76666259765625,149
AudioSynthWaveformDc dcKeyTrack; //xy=231.76666259765625,113
AudioSynthWaveformDc dcPitchBend; //xy=234.7666778564453,184.00001525878906
AudioSynthWaveformDc dcFilter; //xy=336.76666259765625,595.0000305175781
AudioSynthNoisePink pinkNoise; //xy=358.76666259765625,320
AudioSynthNoiseWhite whiteNoise; //xy=361.76666259765625,284
AudioSynthWaveformDc dcLfoFreq; //xy=365.76666259765625,376
AudioEffectEnvelope filterEnvelope; //xy=367.76666259765625,540.0000305175781
AudioSynthWaveformDc dcFilterKeyTrack; //xy=369.76666259765625,629.0000305175781
AudioAmplifier ampPitchBend; //xy=407.7666778564453,184.00001525878906
AudioMixer4 noiseMixer; //xy=544.7666625976562,317
AudioSynthWaveformModulated lfoWaveform; //xy=548.7666625976562,374
AudioAmplifier ampOsc3Mod; //xy=549.7666625976562,437
AudioAmplifier ampModEg; //xy=559.7666625976562,475
AudioMixer4 mainTuneMixer; //xy=631.7666625976562,133
AudioMixer4 modMix2; //xy=755.7666015625,470
AudioMixer4 modMix1; //xy=756.7666015625,399
AudioSynthWaveformDc dcOsc3; //xy=758.7667541503906,193.00001525878906
AudioMixer4 osc3ControlMixer; //xy=933.7667236328125,199
AudioMixer4 modMixer; //xy=945.7666015625,448
AudioSynthWaveformDc dcOsc2Tune; //xy=1105.566650390625,155.56666564941406
AudioSynthWaveformDc dcOsc3Tune; //xy=1106.36669921875,221.56666564941406
AudioAmplifier ampModWheel; //xy=1159.7666015625,448
AudioMixer4 osc3TuneMixer; //xy=1289.36669921875,217.56666564941406
AudioMixer4 osc2TuneMixer; //xy=1290.566650390625,153.56666564941406
AudioSynthWaveformDc dcPulse; //xy=1306.566665649414,65.56666564941406
AudioSynthWaveformModulated osc1Waveform; //xy=1523.7666015625,114
AudioSynthWaveformModulated osc2Waveform; //xy=1524.7666015625,151
AudioSynthWaveformModulated osc3Waveform; //xy=1524.7666015625,188
AudioMixer4 oscMixer; //xy=1710.7666015625,157
AudioMixer4 globalMixer; //xy=1919.7666015625,204
AudioAmplifier ampPreFilter; //xy=2083.7666015625,203
AudioMixer4 filterMixer; //xy=2101.7666625976562,446
AudioFilterStateVariable vcf; //xy=2270.7666625976562,440
AudioMixer4 bandMixer; //xy=2441.566665649414,435.56666564941406
AudioEffectEnvelope mainEnvelope; //xy=2620.7664794921875,436
AudioEffectBitcrusher bitCrushOutput; //xy=2856.5662841796875,433.566650390625
AudioOutputI2S i2s; //xy=3046.7659912109375,435
AudioConnection patchCord1(dcFilterEnvelope, filterEnvelope);
AudioConnection patchCord2(dcOscTune, 0, mainTuneMixer, 1);
AudioConnection patchCord3(dcKeyTrack, 0, mainTuneMixer, 0);
AudioConnection patchCord4(dcPitchBend, ampPitchBend);
AudioConnection patchCord5(dcFilter, 0, filterMixer, 2);
AudioConnection patchCord6(pinkNoise, 0, noiseMixer, 1);
AudioConnection patchCord7(whiteNoise, 0, noiseMixer, 0);
AudioConnection patchCord8(dcLfoFreq, 0, lfoWaveform, 0);
AudioConnection patchCord9(filterEnvelope, 0, filterMixer, 1);
AudioConnection patchCord10(filterEnvelope, ampModEg);
AudioConnection patchCord11(dcFilterKeyTrack, 0, filterMixer, 3);
AudioConnection patchCord12(ampPitchBend, 0, mainTuneMixer, 2);
AudioConnection patchCord13(noiseMixer, 0, modMix1, 0);
AudioConnection patchCord14(noiseMixer, 0, oscMixer, 3);
AudioConnection patchCord15(lfoWaveform, 0, modMix1, 1);
AudioConnection patchCord16(ampOsc3Mod, 0, modMix2, 0);
AudioConnection patchCord17(ampModEg, 0, modMix2, 1);
AudioConnection patchCord18(mainTuneMixer, 0, osc3ControlMixer, 0);
AudioConnection patchCord19(mainTuneMixer, 0, osc1Waveform, 0);
AudioConnection patchCord20(mainTuneMixer, 0, osc2TuneMixer, 0);
AudioConnection patchCord21(modMix2, 0, modMixer, 1);
AudioConnection patchCord22(modMix1, 0, modMixer, 0);
AudioConnection patchCord23(dcOsc3, 0, osc3ControlMixer, 1);
AudioConnection patchCord24(osc3ControlMixer, 0, osc3TuneMixer, 0);
AudioConnection patchCord25(modMixer, ampModWheel);
AudioConnection patchCord26(dcOsc2Tune, 0, osc2TuneMixer, 1);
AudioConnection patchCord27(dcOsc3Tune, 0, osc3TuneMixer, 1);
AudioConnection patchCord28(ampModWheel, 0, filterMixer, 0);
AudioConnection patchCord29(ampModWheel, 0, mainTuneMixer, 3);
AudioConnection patchCord30(osc3TuneMixer, 0, osc3Waveform, 0);
AudioConnection patchCord31(osc2TuneMixer, 0, osc2Waveform, 0);
AudioConnection patchCord32(dcPulse, 0, osc1Waveform, 1);
AudioConnection patchCord33(dcPulse, 0, osc2Waveform, 1);
AudioConnection patchCord34(dcPulse, 0, osc3Waveform, 1);
AudioConnection patchCord35(osc1Waveform, 0, oscMixer, 0);
AudioConnection patchCord36(osc2Waveform, 0, oscMixer, 1);
AudioConnection patchCord37(osc3Waveform, 0, oscMixer, 2);
AudioConnection patchCord38(osc3Waveform, ampOsc3Mod);
AudioConnection patchCord39(oscMixer, 0, globalMixer, 0);
AudioConnection patchCord40(globalMixer, ampPreFilter);
AudioConnection patchCord41(ampPreFilter, 0, vcf, 0);
AudioConnection patchCord42(filterMixer, 0, vcf, 1);
AudioConnection patchCord43(vcf, 0, bandMixer, 0);
AudioConnection patchCord44(vcf, 2, bandMixer, 1);
AudioConnection patchCord45(bandMixer, mainEnvelope);
AudioConnection patchCord46(mainEnvelope, 0, globalMixer, 1);
AudioConnection patchCord47(mainEnvelope, bitCrushOutput);
AudioConnection patchCord48(bitCrushOutput, 0, i2s, 0);
AudioConnection patchCord49(bitCrushOutput, 0, i2s, 1);
// GUItool: end automatically generated code

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minimoog_teensy/defs.h
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// Minimoog
/*
* This program is part of a minimoog-like synthesizer based on teensy 4.0
* Copyright (C) 2020 Pierre-Loup Martin
*
* 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, see <http://www.gnu.org/licenses/>.
*/
/* This program is a synthesizer very similar to the minimoog model D.
* It is intended to run on a Teensy 4.0, using the PJRC audio library.
* It also uses two Arduino Mega boards to manage all the user inputs :
* keyboard, switches, potentiometers, etc.
* All user inputs are handled and send to the teensy board using midi commands
*/
#define CC0 0
#define CC1 1
#define CC2 2
#define CC3 3
#define CC4 4
#define CC5 5
#define CC6 6
#define CC7 7
#define CC8 8
#define CC9 9
#define CC10 10
#define CC11 11
#define CC12 12
#define CC13 13
#define CC14 14
#define CC15 15
#define CC16 16
#define CC17 17
#define CC18 18
#define CC19 19
#define CC20 20
#define CC21 21
#define CC22 22
#define CC23 23
#define CC24 24
#define CC25 25
#define CC26 26
#define CC27 27
#define CC28 28
#define CC29 29
#define CC30 30
#define CC31 31
#define CC32 32
#define CC33 33
#define CC34 34
#define CC35 35
#define CC36 36
#define CC37 37
#define CC38 38
#define CC39 39
#define CC40 40
#define CC41 41
#define CC42 42
#define CC43 43
#define CC44 44
#define CC45 45
#define CC46 46
#define CC47 47
#define CC48 48
#define CC49 49
#define CC50 50
#define CC51 51
#define CC52 52
#define CC53 53
#define CC54 54
#define CC55 55
#define CC56 56
#define CC57 57
#define CC58 58
#define CC59 59
#define CC60 60
#define CC61 61
#define CC62 62
#define CC63 63
#define CC64 64
#define CC65 65
#define CC66 66
#define CC67 67
#define CC68 68
#define CC69 69
#define CC70 70
#define CC71 71
#define CC72 72
#define CC73 73
#define CC74 74
#define CC75 75
#define CC76 76
#define CC77 77
#define CC78 78
#define CC79 79
#define CC80 80
#define CC81 81
#define CC82 82
#define CC83 83
#define CC84 84
#define CC85 85
#define CC86 86
#define CC87 87
#define CC88 88
#define CC89 89
#define CC90 90
#define CC91 91
#define CC92 92
#define CC93 93
#define CC94 94
#define CC95 95
#define CC96 96
#define CC97 97
#define CC98 98
#define CC99 99
#define CC100 100
#define CC101 101
#define CC102 102
#define CC103 103
#define CC104 104
#define CC105 105
#define CC106 106
#define CC107 107
#define CC108 108
#define CC109 109
#define CC110 110
#define CC111 111
#define CC112 112
#define CC113 113
#define CC114 114
#define CC115 115
#define CC116 116
#define CC117 117
#define CC118 118
#define CC119 119
#define CC120 120
#define CC121 121
#define CC122 122
#define CC123 123
#define CC124 124
#define CC125 125
#define CC126 126
#define CC127 127
// #define CC_BANK_SELECT CC0
#define CC_MOD_WHEEL CC1
// #define CC_BREATH_CTRL CC2
#define CC_MODULATION_MIX CC3
// #define CC_FOOT_CTRL CC4
#define CC_PORTAMENTO_TIME CC5
// #define CC_DATA_ENTRY_MSB CC6
// #define CC_CHANNEL_VOL CC7
// #define CC_BALANCE CC8
#define CC_OSC_TUNE CC9
// #define CC_PAN CC10
// #define CC_EXPRESSION_CTRL CC11
#define CC_OSC2_TUNE CC12
#define CC_OSC3_TUNE CC13
#define CC_OSC1_MIX CC14
#define CC_OSC2_MIX CC15
#define CC_OSC3_MIX CC16
#define CC_NOISE_MIX CC17
#define CC_FEEDBACK_MIX CC18
#define CC_FILTER_BAND CC19
#define CC_FILTER_CUTOFF_FREQ CC20
#define CC_FILTER_EMPHASIS CC21
#define CC_FILTER_CONTOUR CC22
#define CC_FILTER_ATTACK CC23
#define CC_FILTER_DECAY CC24
#define CC_FILTER_SUSTAIN CC25
#define CC_FILTER_RELEASE CC26
#define CC_EG_ATTACK CC27
#define CC_EG_DECAY CC28
#define CC_EG_SUSTAIN CC29
#define CC_EG_RELEASE CC30
#define CC_LFO_RATE CC31
// #define CC_BANK_SELECT_LSB CC32
#define CC_MOD_WHEEL_LSB CC33
// #define CC_BREATH_CTRL_LSB CC34
#define CC_MODULATION_MIX_LSB CC35
// #define CC_FOOT_CTRL_LSB CC36
#define CC_PORTAMENTO_TIME_LSB CC37
// #define CC_DATA_ENTRY_MSB_LSB CC38
// #define CC_CHANNEL_VOL_LSB CC39
// #define CC_BALANCE_LSB CC40
#define CC_OSC_TUNE_LSB CC41
// #define CC_PAN_LSB CC42
// #define CC_EXPRESSION_CTRL_LSB CC43
#define CC_OSC2_TUNE_LSB CC44
#define CC_OSC3_TUNE_LSB CC45
#define CC_OSC1_MIX_LSB CC46
#define CC_OSC2_MIX_LSB CC47
#define CC_OSC3_MIX_LSB CC48
#define CC_NOISE_MIX_LSB CC49
#define CC_FEEDBACK_MIX_LSB CC50
#define CC_FILTER_BAND_LSB CC51
#define CC_FILTER_CUTOFF_FREQ_LSB CC52
#define CC_FILTER_EMPHASIS_LSB CC53
#define CC_FILTER_CONTOUR_LSB CC54
#define CC_FILTER_ATTACK_LSB CC55
#define CC_FILTER_DECAY_LSB CC56
#define CC_FILTER_SUSTAIN_LSB CC57
#define CC_FILTER_RELEASE_LSB CC58
#define CC_EG_ATTACK_LSB CC59
#define CC_EG_DECAY_LSB CC60
#define CC_EG_SUSTAIN_LSB CC61
#define CC_EG_RELEASE_LSB CC62
#define CC_LFO_RATE_LSB CC63
// #define CC_DAMPER_PEDAL_ON_OFF CC64
#define CC_PORTAMENTO_ON_OFF CC65
// #define CC_SOSTENUTO_ON_OFF CC66
// #define CC_SOFT_PEDAL_ON_OFF CC67
// #define CC_LEGATO_PEDAL CC68
// #define CC_HOLD_2 CC69
// #define CC_SOUND_CTRL_1 CC70
// #define CC_SOUND_CTRL_2 CC71
// #define CC_SOUND_CTRL_3 CC72
// #define CC_SOUND_CTRL_4 CC73
// #define CC_SOUND_CTRL_5 CC74
// #define CC_SOUND_CTRL_6 CC75
// #define CC_SOUND_CTRL_7 CC76
// #define CC_SOUND_CTRL_8 CC77
// #define CC_SOUND_CTRL_9 CC78
// #define CC_SOUND_CTRL_10 CC79
// #define CC_GEN_PURPOSE_CTRL_5 CC80
// #define CC_GEN_PURPOSE_CTRL_6 CC81
// #define CC_GEN_PURPOSE_CTRL_7 CC82
// #define CC_GEN_PURPOSE_CTRL_8 CC83
// #define CC_PORTAMENTO_CTRL CC84
// #define CC_ CC85
// #define CC_ CC86
// #define CC_ CC87
// #define CC_ CC88
// #define CC_ CC89
#define CC_ASK_FOR_DATA CC90
#define CC_BITCRUSH_OUT CC91
// #define CC_EFFECT_2_DEPTH CC92
// #define CC_EFFECT_3_DEPTH CC93
// #define CC_EFFECT_4_DEPTH CC94
// #define CC_EFFECT_5_DEPTH CC95
// #define CC_DATA_INC CC96
// #define CC_DATA_DEC CC97
// #define CC_NRPN_LSB CC98
// #define CC_NRPN_MSB CC99
// #define CC_RPN_LSB CC100
// #define CC_RPN_MSB CC101
#define CC_OSC1_RANGE CC102
#define CC_OSC1_WAVEFORM CC103
#define CC_OSC2_RANGE CC104
#define CC_OSC2_WAVEFORM CC105
#define CC_OSC3_RANGE CC106
#define CC_OSC3_WAVEFORM CC107
#define CC_OSC3_CTRL CC108
#define CC_FILTER_MOD CC109
#define CC_FILTER_KEYTRACK_1 CC110
#define CC_FILTER_KEYTRACK_2 CC111
#define CC_TRANSPOSE CC112
#define CC_FUNCTION CC113
#define CC_NOISE_COLOR CC114
#define CC_OSC_MOD CC115
#define CC_DECAY_SW CC116
#define CC_MOD_MIX_1 CC117
#define CC_MOD_MIX_2 CC118
#define CC_LFO_SHAPE CC119
// #define CC_ALL_SOUND_OFF CC120
// #define CC_RST_ALL_CTRL CC121
// #define CC_LOCAL_CTRL_ON_OFF CC122
// #define CC_ALL_NOTE_OFF CC123
// #define CC_OMNI_MODE_OFF CC124
// #define CC_OMNI_MODE_ON CC125
// #define CC_MONO_MODE_ON CC126
// #define CC_POLY_MODE_ON CC127

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minimoog_teensy/minimoog_teensy.ino
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// Minimoog - Teensy
/*
* This program is part of a minimoog-like synthesizer based on teensy 4.0
* Copyright (C) 2020 Pierre-Loup Martin
*
* 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, see <http://www.gnu.org/licenses/>.
*/
/* This program is a synthesizer very similar to the minimoog model D.
* It is intended to run on a Teensy 4.0, using the PJRC audio library.
* It also uses two Arduino Mega boards to manage all the user inputs :
* keyboard, switches, potentiometers, etc.
* All user inputs are handled and send to the teensy board using midi commands
*/
#include <Audio.h>
#include <Wire.h>
#include <SPI.h>
#include <SD.h>
#include <SerialFlash.h>
#include "audio_setup.h"
#include "defs.h"
//#include "MIDI.h"
// constants
const uint8_t KEYTRACK_MAX = 10;
const uint8_t MAX_OCTAVE = 10;
const uint8_t FILTER_MAX_OCTAVE = 5;
const float NOTE_MIDI_0 = 8.1757989156434;
const float NOTE_RATIO = 1.0594630943593;
const float HALFTONE_TO_DC = (float)1 / (MAX_OCTAVE * 12);
const float FILTER_HALFTONE_TO_DC = (float)1 / (FILTER_MAX_OCTAVE * 12);
const float MAX_MIX = 0.8;
// variables
uint8_t midiChannel = 1;
int8_t transposeOffset = 5;
uint16_t glide = 0;
bool glideEn = 0;
bool noteRetrigger = 1;
bool filterKeyTrack1 = 0;
bool filterKeyTrack2 = 0;
int8_t transpose = 0;
bool function = 0;
bool oscMod = 0;
bool decay = 0;
float filterDecay = 0;
float egDecay = 0;
// Waveforms
uint8_t waveforms[6] = {WAVEFORM_SINE, WAVEFORM_TRIANGLE, WAVEFORM_SAWTOOTH,
WAVEFORM_SAWTOOTH_REVERSE, WAVEFORM_SQUARE, WAVEFORM_PULSE};
// keyTrack
uint8_t keyTrackIndex = 0;
uint8_t keyTrack[KEYTRACK_MAX] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
enum keyMode_t{
KEY_FIRST = 0,
KEY_LAST,
KEY_LOWER,
KEY_UPPER,
};
keyMode_t keyMode = KEY_LAST;
//MIDI_CREATE_DEFAULT_INSTANCE();
//MIDI_CREATE_INSTANCE(UsbTransport, sUsbTransport, usbMIDI);
void setup() {
// midi settings, start and callback usbMIDI.begin(1); usbMIDI.setHandleNoteOn(handleNoteOn) usbMIDI.setHandleNoteOff(handleNoteOff) usbMIDI.setHandlePitchBend(handlePitchBend) usbMIDI.setHandleControlChange(handleControlChange);
usbMIDI.setHandleNoteOn(handleNoteOn);
usbMIDI.setHandleNoteOff(handleNoteOff);
usbMIDI.setHandlePitchChange(handlePitchBend);
usbMIDI.setHandleControlChange(handleControlChange);
Serial.begin(115200);
// Serial.println("started...");
AudioMemory(200);
// audio settings
// dc
dcKeyTrack.amplitude(0.0);
dcPitchBend.amplitude(0.0);
dcFilterEnvelope.amplitude(1.0);
dcFilter.amplitude(0.0);
dcFilterKeyTrack.amplitude(0.0);
dcOsc3.amplitude(0.2);
dcLfoFreq.amplitude(0.0);
dcOscTune.amplitude(0.0);
dcOsc2Tune.amplitude(0.0);
dcOsc3Tune.amplitude(0.0);
dcPulse.amplitude(-0.95);
// amp
ampPitchBend.gain(3 * HALFTONE_TO_DC * 2);
ampModWheel.gain(0);
ampPreFilter.gain(0.7);
ampModEg.gain(0.01);
ampOsc3Mod.gain(1);
osc1Waveform.frequencyModulation(MAX_OCTAVE);
osc2Waveform.frequencyModulation(MAX_OCTAVE);
osc3Waveform.frequencyModulation(MAX_OCTAVE);
osc1Waveform.begin(1, NOTE_MIDI_0, WAVEFORM_TRIANGLE);
osc2Waveform.begin(1, NOTE_MIDI_0, WAVEFORM_SAWTOOTH);
osc3Waveform.begin(1, NOTE_MIDI_0, WAVEFORM_SQUARE);
// noise
whiteNoise.amplitude(1);
pinkNoise.amplitude(1);
// LFO
lfoWaveform.begin(1, 0.1, WAVEFORM_TRIANGLE);
lfoWaveform.frequencyModulation(11);
// mixers
mainTuneMixer.gain(0, 1);
mainTuneMixer.gain(1, 1);
mainTuneMixer.gain(2, 1);
mainTuneMixer.gain(3, 1);
osc2TuneMixer.gain(0, 1);
osc2TuneMixer.gain(1, 1);
osc3TuneMixer.gain(0, 1);
osc3TuneMixer.gain(1, 1);
oscMixer.gain(0, 1);
oscMixer.gain(1, 0);
oscMixer.gain(2, 0);
oscMixer.gain(3, 0);
globalMixer.gain(0, 1);
globalMixer.gain(1, 0);
noiseMixer.gain(0, 1);
noiseMixer.gain(1, 0);
osc3ControlMixer.gain(0, 1);
osc3ControlMixer.gain(1, 0);
modMix1.gain(0, 0);
modMix1.gain(1, 1);
modMix2.gain(0, 1);
modMix2.gain(1, 0);
modMixer.gain(0, 1);
modMixer.gain(1, 0);
filterMixer.gain(0, 0);
filterMixer.gain(1, 0);
filterMixer.gain(2, 1);
filterMixer.gain(3, 0);
bandMixer.gain(0, 1);
bandMixer.gain(1, 0);
// filter
vcf.frequency(640);
vcf.resonance(0.7);
vcf.octaveControl(FILTER_MAX_OCTAVE);
// envelopes
mainEnvelope.delay(0);
mainEnvelope.attack(10);
mainEnvelope.hold(0);
mainEnvelope.decay(25);
mainEnvelope.sustain(0.9);
mainEnvelope.release(100);
filterEnvelope.delay(0);
filterEnvelope.attack(200);
filterEnvelope.hold(0);
filterEnvelope.decay(100);
filterEnvelope.sustain(0.8);
filterEnvelope.release(50);
bitCrushOutput.bits(16);
bitCrushOutput.sampleRate(44100.0);
usbMIDI.sendControlChange(CC_ASK_FOR_DATA, 127, 1);
}
void loop() {
usbMIDI.read();
}
void noteOn(uint8_t note, uint8_t velocity, bool trigger = 1){
float duration = (float)glideEn * (float)glide * 30.0;
float level = (float)note * HALFTONE_TO_DC;
float filterLevel = (float)note * FILTER_HALFTONE_TO_DC;
AudioNoInterrupts();
dcKeyTrack.amplitude(level, duration);
dcFilterKeyTrack.amplitude(filterLevel, duration);
if(trigger){
filterEnvelope.noteOn();
mainEnvelope.noteOn();
}
AudioInterrupts();
}
void noteOff(){
AudioNoInterrupts();
filterEnvelope.noteOff();
mainEnvelope.noteOff();
AudioInterrupts();
}
int8_t keyTrackAddNote(uint8_t note){
// We only keep count of a limited quantity of notes !
if (keyTrackIndex >= KEYTRACK_MAX) return -1;
keyTrack[keyTrackIndex] = note;
return keyTrackIndex++;
}
int8_t keyTrackRemoveNote(uint8_t note){
int8_t update = -1;
for(uint8_t i = 0; i < keyTrackIndex; ++i){
if(keyTrack[i] == note){
update = i;
keyTrackIndex--;
break;
}
}
if(update >= 0){
for(uint8_t i = update; i < keyTrackIndex; ++i){
keyTrack[i] = keyTrack[i + 1];
}
}
return update;
}
void handleNoteOn(uint8_t channel, uint8_t note, uint8_t velocity){
switch(keyMode){
// When KEY_FIRST, we play the note only if there is not one already playing
case KEY_FIRST:
if(keyTrackIndex != 0) return;
keyTrack[0] = note;
keyTrackIndex = 1;
noteOn(note, velocity);
// if(keyTrackAddNote(note) == 0) noteOn(note, velocity);
break;
// When KEY_LAST, we play the new note anyway.
case KEY_LAST:
keyTrack[0] = note;
if(keyTrackIndex != 0){
noteOn(note, velocity, noteRetrigger);
} else {
noteOn(note, velocity);
}
keyTrackIndex = 1;
// if(keyTrackAddNote(note) == (keyTrackIndex - 1)) noteOn(note, velocity);
break;
case KEY_LOWER:
case KEY_UPPER:
default:
break;
}
}
void handleNoteOff(uint8_t channel, uint8_t note, uint8_t velocity){
switch(keyMode){
case KEY_FIRST:
/* if(keyTrackRemoveNote(note) == 0){
noteOff();
}
break;
*/ case KEY_LAST:
if(keyTrack[0] == note){
keyTrackIndex = 0;
noteOff();
}
/* if(keyTrackRemoveNote(note) == keyTrackIndex){
noteOff();
}
*/ break;
case KEY_LOWER:
case KEY_UPPER:
default:
break;
}
}
void handlePitchBend(uint8_t channel, int16_t bend){
dcPitchBend.amplitude(((float)bend - 64) / 128);
}
void handleControlChange(uint8_t channel, uint8_t command, uint8_t value){
// Serial.println("control change");
switch(command){
case CC_MOD_WHEEL: // CC_1
ampModWheel.gain((float)value / 12 / 127);
break;
case CC_MODULATION_MIX: // CC_3
AudioNoInterrupts();
modMixer.gain(0, (float)value / 127);
modMixer.gain(1, (127 - (float)value) / 127);
AudioInterrupts();
break;
case CC_PORTAMENTO_TIME:
// CC_5
glide = value;
break;
case CC_OSC_TUNE:
// CC_9
dcOscTune.amplitude(HALFTONE_TO_DC * 2 * ((float)value - 64) / 127);
break;
case CC_OSC2_TUNE:
// CC_12
dcOsc2Tune.amplitude(HALFTONE_TO_DC * 12 * 2 * ((float)value - 64) / 127);
break;
case CC_OSC3_TUNE:
// CC_13
dcOsc3Tune.amplitude(HALFTONE_TO_DC * 12 * 2 * ((float)value - 64) / 127);
break;
case CC_OSC1_MIX:
// CC_14
oscMixer.gain(0, MAX_MIX * (float)value / 127);
break;
case CC_OSC2_MIX:
// CC_15
oscMixer.gain(1, MAX_MIX * (float)value / 127);
break;
case CC_OSC3_MIX:
// CC_16
oscMixer.gain(2, MAX_MIX * (float)value / 127);
break;
case CC_NOISE_MIX:
// CC_17
oscMixer.gain(3, MAX_MIX * (float)value / 127);
break;
case CC_FEEDBACK_MIX:
// CC_18
globalMixer.gain(1, MAX_MIX * (float)value / 127);
break;
case CC_FILTER_BAND:
// CC_19
AudioNoInterrupts();
bandMixer.gain(0, ((float)value - 127) / 127);
bandMixer.gain(1, (float)value / 127);
AudioInterrupts();
break;
case CC_FILTER_CUTOFF_FREQ:
// CC_20
// vcf.frequency((float)value * 32);
dcFilter.amplitude(((float)value - 64) / 127);
break;
case CC_FILTER_EMPHASIS:
// CC_21
vcf.resonance(0.7 + (float)value / 29.53);
break;
case CC_FILTER_CONTOUR:
// CC_22
filterMixer.gain(1, (float)value / 127);
case CC_FILTER_ATTACK:
// CC_23
filterEnvelope.attack((float)value * 40);
break;
case CC_FILTER_DECAY:
// CC_24
filterDecay = value * 40;
AudioNoInterrupts();
filterEnvelope.decay(filterDecay);
if(decay) filterEnvelope.release(filterDecay);
AudioInterrupts();
break;
case CC_FILTER_SUSTAIN:
// CC_25
filterEnvelope.sustain((float)value / 127);
break;
case CC_FILTER_RELEASE:
// CC_26
filterEnvelope.release((float)value / 127);
break;
case CC_EG_ATTACK:
// CC_27
mainEnvelope.attack((float)value * 40);
break;
case CC_EG_DECAY:
// CC_28
egDecay = value * 40;
AudioNoInterrupts();
mainEnvelope.decay(egDecay);
if(decay) mainEnvelope.release(egDecay);
AudioInterrupts();
break;
case CC_EG_SUSTAIN:
// CC_29
mainEnvelope.sustain((float)value / 127);
break;
case CC_LFO_RATE:
// CC_31
dcLfoFreq.amplitude((float)value / 127);
break;
case CC_MOD_WHEEL_LSB:
// CC_33
break;
case CC_MODULATION_MIX_LSB:
// CC_35
break;
case CC_PORTAMENTO_TIME_LSB:
// CC_37
break;
case CC_OSC_TUNE_LSB:
// CC_41
break;
case CC_OSC2_TUNE_LSB:
// CC_44
break;
case CC_OSC3_TUNE_LSB:
// CC_45
break;
case CC_OSC1_MIX_LSB:
// CC_46
break;
case CC_OSC2_MIX_LSB:
// CC_47
break;
case CC_OSC3_MIX_LSB:
// CC_48
break;
case CC_NOISE_MIX_LSB:
// CC_49
break;
case CC_FEEDBACK_MIX_LSB:
// CC_50
break;
case CC_FILTER_BAND_LSB:
// CC_51
break;
case CC_FILTER_CUTOFF_FREQ_LSB:
// CC_52
break;
case CC_FILTER_EMPHASIS_LSB:
// CC_53
break;
case CC_FILTER_CONTOUR_LSB:
// CC_54
break;
case CC_FILTER_ATTACK_LSB:
// CC_55
break;
case CC_FILTER_DECAY_LSB:
// CC_56
break;
case CC_FILTER_SUSTAIN_LSB:
// CC_57
break;
case CC_EG_ATTACK_LSB:
// CC_58
break;
case CC_EG_DECAY_LSB:
// CC_59
break;
case CC_EG_SUSTAIN_LSB:
// CC_60
break;
case CC_LFO_RATE_LSB:
// CC_62
break;
case CC_PORTAMENTO_ON_OFF:
// CC_65
if(value > 63){
glideEn = 1;
} else {
glideEn = 0;
}
break;
case CC_BITCRUSH_OUT:
// CC_91
bitCrushOutput.bits(value);
break;
case CC_OSC1_RANGE:
// CC_102
osc1Waveform.frequency(NOTE_MIDI_0 / pow(2, value));
break;
case CC_OSC1_WAVEFORM:
// CC_103
osc1Waveform.begin(waveforms[value]);
break;
case CC_OSC2_RANGE:
// CC_104
osc2Waveform.frequency(NOTE_MIDI_0 / pow(2, value));
break;
case CC_OSC2_WAVEFORM:
// CC_105
osc2Waveform.begin(waveforms[value]);
break;
case CC_OSC3_RANGE:
// CC_106
osc3Waveform.frequency(NOTE_MIDI_0 / pow(2, value));
break;
case CC_OSC3_WAVEFORM:
// CC_107
osc3Waveform.begin(waveforms[value]);
break;
case CC_OSC3_CTRL:
// CC_108
AudioNoInterrupts();
if(value > 63){
osc3ControlMixer.gain(0, 1);
osc3ControlMixer.gain(1, 0);
} else {
osc3ControlMixer.gain(0, 0);
osc3ControlMixer.gain(1, 1);
}
AudioInterrupts();
break;
case CC_FILTER_MOD:
// CC_109
if(value > 63){
filterMixer.gain(0, 2);
} else {
filterMixer.gain(0, 0);
}
break;
case CC_FILTER_KEYTRACK_1:
// CC_110
if(value > 63){
filterKeyTrack1 = 1;
} else {
filterKeyTrack1 = 0;
}
filterMixer.gain(3, (filterKeyTrack1 * 0.333 + filterKeyTrack2 * 0.667));
break;
case CC_FILTER_KEYTRACK_2:
// CC_111
if(value > 63){
filterKeyTrack2 = 1;
} else {
filterKeyTrack2 = 0;
}
filterMixer.gain(3, (filterKeyTrack1 * 0.333 + filterKeyTrack2 * 0.667));
break;
case CC_TRANSPOSE:
// CC_112
if(value > 63){
transpose++;
if (transpose > 2) transpose = 2;
} else {
transpose--;
if(transpose < -2) transpose = -2;
}
break;
case CC_FUNCTION:
// CC_113
if(value > 63){
function = 1;
} else {
function = 0;
}
break;
case CC_NOISE_COLOR:
// CC_114
AudioNoInterrupts();
if(value > 0){
noiseMixer.gain(0, 1);
noiseMixer.gain(1, 0);
} else {
noiseMixer.gain(0, 0);
noiseMixer.gain(1, 1);
}
AudioInterrupts();
break;
case CC_OSC_MOD:
// CC_115
if(value > 63){
oscMod = 1;
mainTuneMixer.gain(3, 1);
} else {
oscMod = 0;
mainTuneMixer.gain(3, 0);
}
break;
case CC_DECAY_SW:
// CC_116
AudioNoInterrupts();
if(value > 63){
decay = 1;
filterEnvelope.release(filterDecay);
mainEnvelope.release(egDecay);
} else {
decay = 0;
filterEnvelope.release(0.0);
mainEnvelope.release(0.0);
}
AudioInterrupts();
break;
case CC_MOD_MIX_1:
// CC_117
AudioNoInterrupts();
if(value > 63){
modMix1.gain(0, 0);
modMix1.gain(1, 1);
} else {
modMix1.gain(0, 1);
modMix1.gain(1, 0);
}
AudioInterrupts();
break;
case CC_MOD_MIX_2:
// CC_118
AudioNoInterrupts();
if(value > 63){
modMix2.gain(0, 0);
modMix2.gain(1, 1);
} else {
modMix2.gain(0, 1);
modMix2.gain(1, 0);
}
AudioInterrupts();
break;
/* case CC_LFO_SHAPE: // CC_119
if(value > 63){
} else {
}
break;
*/ default:
break;
}
}

BIN
misc/Controls.ods
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misc/ribbon pinout.txt
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0 5V
1 GND
2 modulation mix
3 glide
4 osc1 range
5 osc2 range
6 osc3 range
7 osc1 waveform
8 osc2 waveform
9 osc3 waveform
10 osc1 mix
11 osc2 mix
12 osc3 mix
13 noise mix
14 feedback mix
15 modulation mix 1
16 modulation mix 2
17 osc modulation
18 osc3 ctrl
19 transpose +
20 transpose -
21 osc1 mix sw
22 osc2 mix sw
23 osc3 mix sw
24 noise mix sw
25 feedback mix sw
26 noise color
27 mega 2 rx from teensy
28 mega 2 tx to teensy
29 mega 2 reset
30
31
32
33

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