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MicroDexed
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MicroDexed/MicroDexed.ino

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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 with audio shield.
Dexed ist heavily based on https://github.com/google/music-synthesizer-for-android
(c)2018-2020 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
*/
#include <limits.h>
#include "config.h"
#include <Audio.h>
#include <Wire.h>
#include <MIDI.h>
#include <EEPROM.h>
#include <SD.h>
#include "midi_devices.hpp"
#include "dexed.h"
#include "dexed_sysex.h"
#include "effect_modulated_delay.h"
#include "effect_stereo_mono.h"
#include "effect_mono_stereo.h"
#include "PluginFx.h"
#include "UI.hpp"
#include "source_microdexed.h"
// Audio engines
AudioSourceMicroDexed* MicroDexed[NUM_DEXED];
AudioAmplifier* dexed_level[NUM_DEXED];
AudioEffectMonoStereo* mono2stereo[NUM_DEXED];
AudioAnalyzePeak microdexed_peak;
AudioMixer4 microdexed_peak_mixer;
AudioSynthWaveform chorus_modulator;
AudioAmplifier modchorus_inverter;
AudioMixer4 dexed_mixer_r;
AudioMixer4 dexed_mixer_l;
AudioMixer4 master_mixer_r;
AudioMixer4 master_mixer_l;
AudioAmplifier volume_r;
AudioAmplifier volume_l;
AudioEffectStereoMono stereo2mono;
AudioAnalyzePeak master_peak_r;
AudioAnalyzePeak master_peak_l;
#if defined(USE_FX)
AudioMixer4 delay_send_mixer_r;
AudioMixer4 delay_send_mixer_l;
AudioMixer4 delay_fb_mixer_r;
AudioMixer4 delay_fb_mixer_l;
AudioEffectDelay delay_r;
AudioEffectDelay delay_l;
AudioMixer4 chorus_send_mixer_r;
AudioMixer4 chorus_send_mixer_l;
AudioEffectModulatedDelay modchorus_r;
AudioEffectModulatedDelay modchorus_l;
#if MOD_FILTER_OUTPUT != MOD_NO_FILTER_OUTPUT
AudioFilterBiquad modchorus_filter_r;
AudioFilterBiquad modchorus_filter_l;
#endif
AudioMixer4 reverb_send_mixer_r;
AudioMixer4 reverb_send_mixer_l;
AudioEffectFreeverb freeverb_l;
AudioEffectFreeverb freeverb_r;
#endif
#if defined(USE_FX)
// FX chain left
AudioConnection patchCord1(delay_send_mixer_l, 0, delay_fb_mixer_l, 0);
AudioConnection patchCord2(delay_fb_mixer_l, delay_l);
AudioConnection patchCord3(delay_l, 0, delay_fb_mixer_l, 1); // feedback-loop
AudioConnection patchCord4(chorus_send_mixer_l, 0, modchorus_l, 0);
AudioConnection patchCord5(chorus_modulator, 0, modchorus_l, 1);
#if MOD_FILTER_OUTPUT != MOD_NO_FILTER_OUTPUT
AudioConnection patchCord6(modchorus_l, modchorus_filter_l);
AudioConnection patchCord7(modchorus_filter_l, modchorus_inverter);
#else
AudioConnection patchCord6(modchorus_l, modchorus_inverter);
#endif
AudioConnection patchCord8(reverb_send_mixer_l, freeverb_l);
// FX chain right
AudioConnection patchCord9(delay_send_mixer_r, 0, delay_fb_mixer_r, 0);
AudioConnection patchCord10(delay_fb_mixer_r, delay_r);
AudioConnection patchCord11(delay_r, 0, delay_fb_mixer_r, 1); // feedback-loop
AudioConnection patchCord12(chorus_send_mixer_r, modchorus_r);
AudioConnection patchCord13(chorus_modulator, 0, modchorus_r, 1);
#if MOD_FILTER_OUTPUT != MOD_NO_FILTER_OUTPUT
AudioConnection patchCord14(modchorus_r, modchorus_filter_r);
#endif
AudioConnection patchCord15(reverb_send_mixer_r, freeverb_r);
#endif
#if defined(USE_FX)
// FX chain tail
AudioConnection patchCord16(delay_fb_mixer_r, 0, master_mixer_r, DELAY);
AudioConnection patchCord17(delay_fb_mixer_l, 0, master_mixer_l, DELAY);
#if MOD_FILTER_OUTPUT != MOD_NO_FILTER_OUTPUT
AudioConnection patchCord18(modchorus_filter_r, 0, master_mixer_r, CHORUS);
AudioConnection patchCord19(modchorus_inverter, 0, master_mixer_l, CHORUS);
#else
AudioConnection patchCord18(modchorus_r, 0, master_mixer_r, CHORUS);
AudioConnection patchCord19(modchorus_inverter, 0, master_mixer_l, CHORUS);
#endif
AudioConnection patchCord20(freeverb_r, 0, master_mixer_r, REVERB);
AudioConnection patchCord21(freeverb_l, 0, master_mixer_l, REVERB);
#endif
AudioConnection patchCord22(dexed_mixer_r, 0, master_mixer_r, DEXED);
AudioConnection patchCord23(dexed_mixer_l, 0, master_mixer_l, DEXED);
AudioConnection patchCord24(master_mixer_r, volume_r);
AudioConnection patchCord25(master_mixer_l, volume_l);
AudioConnection patchCord26(volume_r, 0, stereo2mono, 0);
AudioConnection patchCord27(volume_l, 0, stereo2mono, 1);
AudioConnection patchCord28(volume_r, master_peak_r);
AudioConnection patchCord29(volume_l, master_peak_l);
AudioConnection patchCord30(microdexed_peak_mixer, microdexed_peak);
// Outputs
#ifdef AUDIO_DEVICE_USB
AudioOutputUSB usb1;
AudioConnection patchCord31(stereo2mono, 0, usb1, 0);
AudioConnection patchCord32(stereo2mono, 1, usb1, 1);
#endif
#if defined(TEENSY_AUDIO_BOARD)
AudioOutputI2S i2s1;
AudioConnection patchCord33(stereo2mono, 0, i2s1, 0);
AudioConnection patchCord34(stereo2mono, 1, i2s1, 1);
AudioControlSGTL5000 sgtl5000_1;
#elif defined (I2S_AUDIO_ONLY)
AudioOutputI2S i2s1;
AudioConnection patchCord33(stereo2mono, 0, i2s1, 0);
AudioConnection patchCord34(stereo2mono, 1, i2s1, 1);
#elif defined(TGA_AUDIO_BOARD)
AudioOutputI2S i2s1;
AudioConnection patchCord33(stereo2mono, 0, i2s1, 0);
AudioConnection patchCord34(stereo2mono, 1, i2s1, 1);
AudioControlWM8731master wm8731_1;
#elif defined(PT8211_AUDIO)
AudioOutputPT8211 pt8211_1;
AudioConnection patchCord33(stereo2mono, 0, pt8211_1, 0);
AudioConnection patchCord34(stereo2mono, 1, pt8211_1, 1);
#elif defined(TEENSY_DAC_SYMMETRIC)
AudioOutputAnalogStereo dacOut;
AudioMixer4 invMixer;
AudioConnection patchCord33(stereo2mono, 0, dacOut , 0);
AudioConnection patchCord34(stereo2mono, 1, invMixer, 0);
AudioConnection patchCord35(invMixer, 0, dacOut , 1);
#else
AudioOutputAnalogStereo dacOut;
AudioConnection patchCord33(stereo2mono, 0, dacOut, 0);
AudioConnection patchCord34(stereo2mono, 1, dacOut, 1);
#endif
//
// Dynamic patching of MicroDexed objects
//
uint8_t nDynamic = 0;
#if defined(USE_FX)
AudioConnection * dynamicConnections[NUM_DEXED * 11];
#else
AudioConnection * dynamicConnections[NUM_DEXED * 5];
#endif
void create_audio_connections(AudioSourceMicroDexed &dexed, AudioEffectMonoStereo &mono2stereo, AudioAmplifier &dexed_level, uint8_t instance_id)
{
dynamicConnections[nDynamic++] = new AudioConnection(dexed, 0, microdexed_peak_mixer, instance_id);
dynamicConnections[nDynamic++] = new AudioConnection(dexed, 0, dexed_level, 0);
dynamicConnections[nDynamic++] = new AudioConnection(dexed_level, 0, mono2stereo, 0);
dynamicConnections[nDynamic++] = new AudioConnection(mono2stereo, 0, dexed_mixer_r, instance_id);
dynamicConnections[nDynamic++] = new AudioConnection(mono2stereo, 1, dexed_mixer_l, instance_id);
#if defined(USE_FX)
dynamicConnections[nDynamic++] = new AudioConnection(mono2stereo, 0, chorus_send_mixer_r, instance_id);
dynamicConnections[nDynamic++] = new AudioConnection(mono2stereo, 1, chorus_send_mixer_l, instance_id);
dynamicConnections[nDynamic++] = new AudioConnection(mono2stereo, 0, delay_send_mixer_r, instance_id);
dynamicConnections[nDynamic++] = new AudioConnection(mono2stereo, 1, delay_send_mixer_l, instance_id);
dynamicConnections[nDynamic++] = new AudioConnection(mono2stereo, 0, reverb_send_mixer_r, instance_id);
dynamicConnections[nDynamic++] = new AudioConnection(mono2stereo, 1, reverb_send_mixer_l, instance_id);
#endif
}
uint8_t sd_card = 0;
uint8_t max_loaded_banks = 0;
char bank_name[NUM_DEXED][BANK_NAME_LEN];
char voice_name[NUM_DEXED][VOICE_NAME_LEN];
char bank_names[NUM_DEXED][MAX_BANKS][BANK_NAME_LEN];
char voice_names[NUM_DEXED][MAX_VOICES][VOICE_NAME_LEN];
uint8_t dexed_setup_number = 1;
elapsedMillis autostore;
uint8_t midi_timing_counter = 0; // 24 per qarter
elapsedMillis midi_timing_timestep;
uint16_t midi_timing_quarter = 0;
elapsedMillis long_button_pressed;
//elapsedMicros fill_audio_buffer;
elapsedMillis control_rate;
uint8_t active_voices[NUM_DEXED];
#ifdef SHOW_CPU_LOAD_MSEC
elapsedMillis cpu_mem_millis;
#endif
uint32_t cpumax = 0;
elapsedMillis cpu_overload_throttle_timer;
uint32_t peak_dexed = 0;
float peak_dexed_value = 0.0;
uint32_t peak_r = 0;
uint32_t peak_l = 0;
bool eeprom_update_flag = false;
config_t configuration;
uint8_t selected_dexed_instance = 0;
/*const uint8_t cs_pins[] = { SDCARD_AUDIO_CS_PIN, SDCARD_TEENSY_CS_PIN };
const uint8_t mosi_pins[] = { SDCARD_AUDIO_MOSI_PIN, SDCARD_TEENSY_MOSI_PIN };
const uint8_t sck_pins[] = { SDCARD_AUDIO_SCK_PIN, SDCARD_TEENSY_SCK_PIN };*/
const uint8_t cs_pins[] = { SDCARD_TEENSY_CS_PIN, SDCARD_AUDIO_CS_PIN };
const uint8_t mosi_pins[] = { SDCARD_TEENSY_MOSI_PIN, SDCARD_AUDIO_MOSI_PIN };
const uint8_t sck_pins[] = { SDCARD_TEENSY_SCK_PIN, SDCARD_AUDIO_SCK_PIN };
char version_string[LCD_cols + 1];
#if defined(USE_FX)
// Allocate the delay lines for chorus
int16_t delayline_r[MOD_DELAY_SAMPLE_BUFFER];
int16_t delayline_l[MOD_DELAY_SAMPLE_BUFFER];
#endif
#ifdef ENABLE_LCD_UI
/***********************************************************************
LCDMenuLib2
***********************************************************************/
extern LCDMenuLib2 LCDML;
extern uint8_t menu_state;
#endif
void setup()
{
// Start audio system
AudioNoInterrupts();
AudioMemory(AUDIO_MEM);
#ifdef DISPLAY_LCD_SPI
pinMode(SDCARD_CS_PIN, OUTPUT);
pinMode(U8X8_CS_PIN, OUTPUT);
#endif
#ifdef ENABLE_LCD_UI
setup_ui();
#endif
#ifdef DEBUG
#ifdef ENABLE_LCD_UI
setup_debug_message();
#endif
Serial.begin(SERIAL_SPEED);
/* while (!Serial)
{
yield();
}*/
#endif
#ifndef ENABLE_LCD_UI
#ifdef DEBUG
Serial.println(F("NO LCD DISPLAY ENABLED!"));
#endif
#endif
#ifdef DEBUG
generate_version_string(version_string, sizeof(version_string));
Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed"));
Serial.println(F("(c)2018-2020 H. Wirtz <wirtz@parasitstudio.de>"));
Serial.println(F("https://codeberg.org/dcoredump/MicroDexed"));
Serial.print(F("Version: "));
Serial.println(version_string);
Serial.print(F("CPU-Speed: "));
Serial.print(F_CPU / 1000000.0, 1);
Serial.println(F(" MHz"));
Serial.println(F("<setup start>"));
Serial.flush();
#endif
setup_midi_devices();
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
if (instance_id < MAX_DEXED)
{
#ifdef DEBUG
Serial.print(F("Creating MicroDexed instance "));
Serial.println(instance_id, DEC);
#endif
MicroDexed[instance_id] = new AudioSourceMicroDexed(SAMPLE_RATE);
dexed_level[instance_id] = new AudioAmplifier();
mono2stereo[instance_id] = new AudioEffectMonoStereo();
create_audio_connections(*MicroDexed[instance_id], *mono2stereo[instance_id], *dexed_level[instance_id], instance_id);
}
else
{
#ifdef DEBUG
Serial.print(F("Ignoring instance "));
Serial.print(instance_id, DEC);
Serial.print(F(" (maximum allowed: "));
Serial.print(MAX_DEXED, DEC);
Serial.println(F(")"));
#endif
}
}
/*
// Init EEPROM if both buttons are pressed at startup
if (digitalRead(BUT_R_PIN) == HIGH && digitalRead(BUT_L_PIN) == HIGH)
{
#ifdef DEBUG
Serial.println(F("Init EEPROM"));
#endif
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(F("INIT"));
lcd.setCursor(0, 1);
lcd.print(F("EEPROM"));
initial_values_from_eeprom(true);
delay(2000);
}
else
initial_values_from_eeprom(false);
*/
initial_values_from_eeprom(false);
#if defined(TEENSY_AUDIO_BOARD)
sgtl5000_1.enable();
sgtl5000_1.lineOutLevel(SGTL5000_LINEOUT_LEVEL);
sgtl5000_1.dacVolumeRamp();
sgtl5000_1.dacVolume(1.0);
//sgtl5000_1.dacVolumeRampLinear();
//sgtl5000_1.dacVolumeRampDisable();
sgtl5000_1.unmuteHeadphone();
sgtl5000_1.unmuteLineout();
sgtl5000_1.volume(SGTL5000_HEADPHONE_VOLUME, SGTL5000_HEADPHONE_VOLUME); // Headphone volume
//sgtl5000_1.audioPostProcessorEnable();
sgtl5000_1.autoVolumeControl(1, 1, 1, 0.9, 0.01, 0.05);
//sgtl5000_1.autoVolumeEnable();
sgtl5000_1.autoVolumeDisable();
//sgtl5000_1.surroundSoundEnable();
sgtl5000_1.surroundSoundDisable();
//sgtl5000_1.surroundSound(7, 2); // Configures virtual surround width from 0 (mono) to 7 (widest). select may be set to 1 (disable), 2 (mono input) or 3 (stereo input).
//sgtl5000_1.enhanceBassEnable();
sgtl5000_1.enhanceBassDisable();
//sgtl5000_1.enhanceBass(1.0, 0.2, 1, 2); // Configures the bass enhancement by setting the levels of the original stereo signal and the bass-enhanced mono level which will be mixed together. The high-pass filter may be enabled (0) or bypassed (1).
/* The cutoff frequency is specified as follows:
value frequency
0 80Hz
1 100Hz
2 125Hz
3 150Hz
4 175Hz
5 200Hz
6 225Hz
*/
//sgtl5000_1.eqBands(bass, mid_bass, midrange, mid_treble, treble);
#ifdef DEBUG
Serial.println(F("Teensy-Audio-Board enabled."));
#endif
#elif defined(TGA_AUDIO_BOARD)
wm8731_1.enable();
wm8731_1.volume(1.0);
#ifdef DEBUG
Serial.println(F("TGA board enabled."));
#endif
#elif defined(I2S_AUDIO_ONLY)
#ifdef DEBUG
Serial.println(F("I2S enabled."));
#endif
#elif defined(PT8211_AUDIO)
#ifdef DEBUG
Serial.println(F("PT8211 enabled."));
#endif
#elif defined(TEENSY_DAC_SYMMETRIC)
invMixer.gain(0, -1.f);
#ifdef DEBUG
Serial.println(F("Internal DAC using symmetric outputs enabled."));
#endif
#else
#ifdef DEBUG
Serial.println(F("Internal DAC enabled."));
#endif
#endif
// start SD card
#ifdef DISPLAY_LCD_SPI
change_disp_sd(false);
#endif
sd_card = check_sd_cards();
if (sd_card < 1)
{
#ifdef DEBUG
Serial.println(F("SD card not accessable."));
#endif
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
strcpy(bank_name[instance_id], "Default");
strcpy(voice_name[instance_id], "Default");
}
}
else
{
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
// read all bank names
max_loaded_banks = get_bank_names(instance_id);
strip_extension(bank_names[instance_id][configuration.dexed[instance_id].bank], bank_name[instance_id]);
// read all voice name for actual bank
get_voice_names_from_bank(configuration.dexed[instance_id].bank, instance_id);
#ifdef DEBUG
Serial.print(F("Bank ["));
Serial.print(bank_names[instance_id][configuration.dexed[instance_id].bank]);
Serial.print(F("/"));
Serial.print(bank_name[instance_id]);
Serial.println(F("]"));
for (uint8_t n = 0; n < MAX_VOICES - 1; n++)
{
if (n < 10)
Serial.print(F(" "));
Serial.print(F(" "));
Serial.print(n, DEC);
Serial.print(F("["));
Serial.print(voice_names[instance_id][n]);
Serial.println(F("]"));
}
#endif
// load default SYSEX data
load_sysex(configuration.dexed[instance_id].bank, configuration.dexed[instance_id].voice, instance_id);
}
}
#ifdef DISPLAY_LCD_SPI
change_disp_sd(true);
#endif
#if defined(USE_FX)
// Init effects
memset(delayline_r, 0, sizeof(delayline_r));
if (!modchorus_r.begin(delayline_r, MOD_DELAY_SAMPLE_BUFFER)) {
#ifdef DEBUG
Serial.println(F("AudioEffectModulatedDelay - begin failed (R)"));
#endif
while (1);
}
memset(delayline_l, 0, sizeof(delayline_l));
if (!modchorus_l.begin(delayline_l, MOD_DELAY_SAMPLE_BUFFER)) {
#ifdef DEBUG
Serial.println(F("AudioEffectModulatedDelay - begin failed (L)"));
#endif
while (1);
}
#ifdef DEBUG
Serial.print(F("MOD_DELAY_SAMPLE_BUFFER="));
Serial.print(MOD_DELAY_SAMPLE_BUFFER, DEC);
Serial.println(F(" samples"));
#endif
#endif
master_mixer_r.gain(DEXED, 1.0);
master_mixer_l.gain(DEXED, 1.0);
master_mixer_r.gain(CHORUS, mapfloat(configuration.chorus_level, CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0));
master_mixer_l.gain(CHORUS, mapfloat(configuration.chorus_level, CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0));
master_mixer_r.gain(DELAY, mapfloat(configuration.delay_level, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0));
master_mixer_l.gain(DELAY, mapfloat(configuration.delay_level, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0));
master_mixer_r.gain(REVERB, mapfloat(configuration.reverb_level, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX, 0.0, 1.0));
master_mixer_l.gain(REVERB, mapfloat(configuration.reverb_level, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX, 0.0, 1.0));
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
// INIT PEAK MIXER
microdexed_peak_mixer.gain(instance_id, 1.0);
// INIT DEXED MIXER
dexed_mixer_r.gain(instance_id, 1.0);
dexed_mixer_l.gain(instance_id, 1.0);
#if defined(USE_FX)
// INIT REVERB
reverb_send_mixer_r.gain(instance_id, mapfloat(configuration.dexed[instance_id].reverb_send, REVERB_SEND_MIN, REVERB_SEND_MAX, 0.0, 1.0));
reverb_send_mixer_l.gain(instance_id, mapfloat(configuration.dexed[instance_id].reverb_send, REVERB_SEND_MIN, REVERB_SEND_MAX, 0.0, 1.0));
// INIT DELAY
delay_send_mixer_r.gain(instance_id, mapfloat(configuration.dexed[instance_id].delay_send, DELAY_SEND_MIN, DELAY_SEND_MAX, 0.0, 1.0));
delay_send_mixer_l.gain(instance_id, mapfloat(configuration.dexed[instance_id].delay_send, DELAY_SEND_MIN, DELAY_SEND_MAX, 0.0, 1.0));
// INIT CHORUS
chorus_send_mixer_r.gain(instance_id, mapfloat(configuration.dexed[instance_id].chorus_send, CHORUS_SEND_MIN, CHORUS_SEND_MAX, 0.0, 1.0));
chorus_send_mixer_l.gain(instance_id, mapfloat(configuration.dexed[instance_id].chorus_send, CHORUS_SEND_MIN, CHORUS_SEND_MAX, 0.0, 1.0));
// DEXED FILTER
//MicroDexed[instance_id]->fx.Gain = mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX);
MicroDexed[instance_id]->fx.Gain = 1.0;
MicroDexed[instance_id]->fx.Reso = mapfloat(configuration.dexed[instance_id].filter_resonance, FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX, 1.0, 0.0);
MicroDexed[instance_id]->fx.Cutoff = mapfloat(configuration.dexed[instance_id].filter_cutoff, FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX, 1.0, 0.0);
MicroDexed[instance_id]->doRefreshVoice();
#endif
// Dexed output level
dexed_level[instance_id]->gain(mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX));
// PANORAMA
mono2stereo[instance_id]->panorama(mapfloat(configuration.dexed[instance_id].pan, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
}
#if defined(USE_FX)
// DELAY
delay_r.delay(0, mapfloat(configuration.delay_time * 10, DELAY_TIME_MIN, DELAY_TIME_MAX, 0.0, float(DELAY_TIME_MAX)));
delay_l.delay(0, mapfloat(configuration.delay_time * 10, DELAY_TIME_MIN, DELAY_TIME_MAX, 0.0, float(DELAY_TIME_MAX)));
// delay_fb_mixer is the feedback-adding mixer
delay_fb_mixer_r.gain(0, 1.0); // original signal
delay_fb_mixer_r.gain(1, mapfloat(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0)); // amount of feedback
delay_fb_mixer_l.gain(0, 1.0); // original signal
delay_fb_mixer_l.gain(1, mapfloat(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0)); // amount of feedback
// CHORUS
switch (configuration.chorus_waveform)
{
case 0:
chorus_modulator.begin(WAVEFORM_TRIANGLE);
break;
case 1:
chorus_modulator.begin(WAVEFORM_SINE);
break;
default:
chorus_modulator.begin(WAVEFORM_TRIANGLE);
}
chorus_modulator.phase(0);
chorus_modulator.frequency(configuration.chorus_frequency / 10.0);
chorus_modulator.amplitude(mapfloat(configuration.chorus_depth, CHORUS_DEPTH_MIN, CHORUS_DEPTH_MAX, 0.0, 1.0));
chorus_modulator.offset(0.0);
#if MOD_FILTER_OUTPUT == MOD_BUTTERWORTH_FILTER_OUTPUT
// Butterworth filter, 12 db/octave
modchorus_filter_r.setLowpass(0, MOD_FILTER_CUTOFF_HZ, 0.707);
modchorus_filter_l.setLowpass(0, MOD_FILTER_CUTOFF_HZ, 0.707);
#elif MOD_FILTER_OUTPUT == MOD_LINKWITZ_RILEY_FILTER_OUTPUT
// Linkwitz-Riley filter, 48 dB/octave
modchorus_filter_r.setLowpass(0, MOD_FILTER_CUTOFF_HZ, 0.54);
modchorus_filter_r.setLowpass(1, MOD_FILTER_CUTOFF_HZ, 1.3);
modchorus_filter_r.setLowpass(2, MOD_FILTER_CUTOFF_HZ, 0.54);
modchorus_filter_r.setLowpass(3, MOD_FILTER_CUTOFF_HZ, 1.3);
modchorus_filter_l.setLowpass(0, MOD_FILTER_CUTOFF_HZ, 0.54);
modchorus_filter_l.setLowpass(1, MOD_FILTER_CUTOFF_HZ, 1.3);
modchorus_filter_l.setLowpass(2, MOD_FILTER_CUTOFF_HZ, 0.54);
modchorus_filter_l.setLowpass(3, MOD_FILTER_CUTOFF_HZ, 1.3);
#endif
// REVERB
freeverb_r.roomsize(mapfloat(configuration.reverb_roomsize, REVERB_ROOMSIZE_MIN, REVERB_ROOMSIZE_MAX, 0.0, 1.0));
freeverb_r.damping(mapfloat(configuration.reverb_damping, REVERB_DAMPING_MIN, REVERB_DAMPING_MAX, 0.0, 1.0));
freeverb_l.roomsize(mapfloat(configuration.reverb_roomsize, REVERB_ROOMSIZE_MIN, REVERB_ROOMSIZE_MAX, 0.0, 1.0));
freeverb_l.damping(mapfloat(configuration.reverb_damping, REVERB_DAMPING_MIN, REVERB_DAMPING_MAX, 0.0, 1.0));
#endif
// MONO/STEREO
if (configuration.mono == 0)
modchorus_inverter.gain(-1.0); // stereo mode
else
modchorus_inverter.gain(1.0); // mono mode
// set initial volume
set_volume(configuration.vol, configuration.mono);
// Initialize processor and memory measurements
AudioProcessorUsageMaxReset();
AudioMemoryUsageMaxReset();
#ifdef DEBUG
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
Serial.print(F("Dexed instance "));
Serial.print(instance_id);
Serial.println(F(":"));
Serial.print(F("Bank/Voice from EEPROM ["));
Serial.print(configuration.dexed[instance_id].bank, DEC);
Serial.print(F("/"));
Serial.print(configuration.dexed[instance_id].voice, DEC);
Serial.println(F("]"));
Serial.print(F("Polyphony: "));
Serial.println(configuration.dexed[instance_id].polyphony, DEC);
//show_patch(instance_id);
}
Serial.print(F("AUDIO_BLOCK_SAMPLES="));
Serial.print(AUDIO_BLOCK_SAMPLES);
Serial.print(F(" (Time per block="));
Serial.print(1000000 / (SAMPLE_RATE / AUDIO_BLOCK_SAMPLES));
Serial.println(F("ms)"));
#endif
#if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
show_cpu_and_mem_usage();
#endif
AudioInterrupts();
#ifdef DEBUG
Serial.println(F("<setup end>"));
#endif
}
void loop()
{
// MIDI input handling
check_midi_devices();
// check encoder
ENCODER[ENC_L].update();
ENCODER[ENC_R].update();
// CONTROL-RATE-EVENT-HANDLING
if (control_rate > CONTROL_RATE_MS)
{
control_rate = 0;
#ifdef ENABLE_LCD_UI
// LCD Menu
LCDML.loop();
// initial starts voice selection menu as default
if (menu_state == MENU_START)
{
menu_state = MENU_VOICE;
UI_func_voice_selection(0);
}
#endif
// EEPROM update handling
if (autostore >= AUTOSTORE_MS && eeprom_update_flag == true)
{
// only store configuration data to EEPROM when AUTOSTORE_MS is reached and no voices are activated anymore
eeprom_update();
}
// check for value changes, unused voices and CPU overload
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
active_voices[instance_id] = MicroDexed[instance_id]->getNumNotesPlaying();
#if defined(CPU_OVERLOAD_THROTTLE)
if (AudioProcessorUsageMax() > CPU_OVERLOAD_THROTTLE && cpu_overload_throttle_timer >= CPU_OVERLOAD_THROTTLE_TIMER)
{
cpu_overload_throttle_timer = 0;
AudioProcessorUsageMaxReset();
MicroDexed[instance_id]->keyup(-1); // kills the oldest note and decreases max_notes
#ifdef DEBUG
Serial.print(F("!!!CPU overload!!! Automatic throttling polyphony down to "));
Serial.print(MicroDexed[instance_id]->getMaxNotes(), DEC);
Serial.print(F(" for instance "));
Serial.print(instance_id, DEC);
Serial.println(F("."));
#endif
configuration.dexed[instance_id].polyphony = MicroDexed[instance_id]->getMaxNotes();
eeprom_update(); // useful to do this???
}
#endif
}
}
else
yield();
#if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
if (cpu_mem_millis >= SHOW_CPU_LOAD_MSEC)
{
if (master_peak_r.available())
if (master_peak_r.read() == 1.0)
peak_r++;
if (master_peak_l.available())
if (master_peak_l.read() == 1.0)
peak_l++;
if (microdexed_peak.available())
{
peak_dexed_value = microdexed_peak.read();
if (peak_dexed_value > 0.99)
peak_dexed++;
}
cpu_mem_millis -= SHOW_CPU_LOAD_MSEC;
show_cpu_and_mem_usage();
}
#endif
//}
}
/******************************************************************************
MIDI MESSAGE HANDLER
******************************************************************************/
void handleNoteOn(byte inChannel, byte inNumber, byte inVelocity)
{
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
if (checkMidiChannel(inChannel, instance_id))
{
if (inNumber >= configuration.dexed[instance_id].lowest_note && inNumber <= configuration.dexed[instance_id].highest_note)
MicroDexed[instance_id]->keydown(inNumber, uint8_t(float(configuration.dexed[instance_id].velocity_level / 127.0)*inVelocity + 0.5));
}
}
}
void handleNoteOff(byte inChannel, byte inNumber, byte inVelocity)
{
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
if (checkMidiChannel(inChannel, instance_id))
{
if (inNumber >= configuration.dexed[instance_id].lowest_note && inNumber <= configuration.dexed[instance_id].highest_note)
MicroDexed[instance_id]->keyup(inNumber);
}
}
}
void handleControlChange(byte inChannel, byte inCtrl, byte inValue)
{
inCtrl = constrain(inCtrl, 0, 127);
inValue = constrain(inValue, 0, 127);
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
if (checkMidiChannel(inChannel, instance_id))
{
#ifdef DEBUG
Serial.print(F("INSTANCE "));
Serial.print(instance_id, DEC);
Serial.print(F(": CC#"));
Serial.print(inCtrl, DEC);
Serial.print(F(":"));
Serial.println(inValue, DEC);
#endif
switch (inCtrl) {
case 0:
if (inValue < MAX_BANKS - 1)
{
configuration.dexed[instance_id].bank = inValue;
eeprom_write();
}
break;
case 1:
#ifdef DEBUG
Serial.println(F("MODWHEEL CC"));
#endif
MicroDexed[instance_id]->controllers.modwheel_cc = inValue;
MicroDexed[instance_id]->controllers.refresh();
break;
case 2:
#ifdef DEBUG
Serial.println(F("BREATH CC"));
#endif
MicroDexed[instance_id]->controllers.breath_cc = inValue;
//MicroDexed[instance_id]->controllers.breath_cc = 100 – BCrange + Output * BCrange * Bcvalue/100
MicroDexed[instance_id]->controllers.refresh();
break;
case 4:
#ifdef DEBUG
Serial.println(F("FOOT CC"));
#endif
MicroDexed[instance_id]->controllers.foot_cc = inValue;
MicroDexed[instance_id]->controllers.refresh();
break;
case 5: // Portamento time
configuration.dexed[instance_id].portamento_time = inValue;
MicroDexed[instance_id]->setPortamentoMode(configuration.dexed[instance_id].portamento_mode, configuration.dexed[instance_id].portamento_glissando, configuration.dexed[instance_id].portamento_time);
eeprom_write();
break;
case 7: // Instance Volume
#ifdef DEBUG
Serial.println(F("VOLUME CC"));
#endif
configuration.dexed[instance_id].sound_intensity = map(inValue, 0, 0x7f, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX);
#ifdef USE_FX
MicroDexed[instance_id]->fx.Gain = mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX);
#else
dexed_level[instance_id]->gain(mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX));
#endif
eeprom_write();
break;
case 10: // Pan
#ifdef DEBUG
Serial.println(F("PANORAMA CC"));
#endif
configuration.dexed[instance_id].pan = map(inValue, 0, 0x7f, PANORAMA_MIN, PANORAMA_MAX);
mono2stereo[instance_id]->panorama(mapfloat(configuration.dexed[instance_id].pan, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
eeprom_write();
break;
case 32: // BankSelect LSB
#ifdef DEBUG
Serial.println(F("BANK-SELECT CC"));
#endif
configuration.dexed[instance_id].bank = inValue;
eeprom_write();
break;
case 64:
MicroDexed[instance_id]->setSustain(inValue > 63);
if (!MicroDexed[instance_id]->getSustain())
{
for (uint8_t note = 0; note < MicroDexed[instance_id]->getMaxNotes(); note++)
{
if (MicroDexed[instance_id]->voices[note].sustained && !MicroDexed[instance_id]->voices[note].keydown)
{
MicroDexed[instance_id]->voices[note].dx7_note->keyup();
MicroDexed[instance_id]->voices[note].sustained = false;
}
}
}
break;
case 65:
MicroDexed[instance_id]->setPortamentoMode(configuration.dexed[instance_id].portamento_mode, configuration.dexed[instance_id].portamento_glissando, configuration.dexed[instance_id].portamento_time);
eeprom_write();
break;
#if defined(USE_FX)
case 103: // CC 103: filter resonance
configuration.dexed[instance_id].filter_resonance = map(inValue, 0, 0x7f, FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX);
MicroDexed[instance_id]->fx.Reso = mapfloat(configuration.dexed[instance_id].filter_resonance, FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX, 1.0, 0.0);
eeprom_write();
break;
case 104: // CC 104: filter cutoff
configuration.dexed[instance_id].filter_cutoff = map(inValue, 0, 0x7f, FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX);
MicroDexed[instance_id]->fx.Cutoff = mapfloat(configuration.dexed[instance_id].filter_cutoff, FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX, 1.0, 0.0);
eeprom_write();
break;
case 105: // CC 105: delay time
configuration.delay_time = map(inValue, 0, 0x7f, DELAY_TIME_MIN, DELAY_TIME_MAX);
delay_r.delay(0, configuration.delay_time * 10);
delay_l.delay(0, configuration.delay_time * 10);
eeprom_write();
case 106: // CC 106: delay feedback
configuration.delay_feedback = map(inValue, 0, 0x7f, DELAY_FEEDBACK_MIN , DELAY_FEEDBACK_MAX);
//delay_fb_mixer_r.gain(0, 1.0); // original signal
delay_fb_mixer_r.gain(1, mapfloat(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0)); // amount of feedback
//delay_fb_mixer_l.gain(0, 1.0); // original signal
delay_fb_mixer_l.gain(1, mapfloat(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0)); // amount of feedback
eeprom_write();
break;
case 107: // CC 107: delay volume
configuration.dexed[instance_id].delay_send = map(inValue, 0, 0x7f, DELAY_SEND_MIN, DELAY_SEND_MAX);
master_mixer_r.gain(DELAY, mapfloat(configuration.delay_level, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0));
master_mixer_l.gain(DELAY, mapfloat(configuration.delay_level, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0));
eeprom_write();
break;
#endif
case 120:
MicroDexed[instance_id]->panic();
break;
case 121:
MicroDexed[instance_id]->resetControllers();
break;
case 123:
MicroDexed[instance_id]->notesOff();
break;
case 126:
MicroDexed[instance_id]->setMonoMode(true);
eeprom_write();
break;
case 127:
MicroDexed[instance_id]->setMonoMode(false);
eeprom_write();
break;
}
}
}
}
void handleAfterTouch(byte inChannel, byte inPressure)
{
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
if (checkMidiChannel(inChannel, instance_id))
{
MicroDexed[instance_id]->controllers.aftertouch_cc = inPressure;
MicroDexed[instance_id]->controllers.refresh();
}
}
}
void handlePitchBend(byte inChannel, int inPitch)
{
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
if (checkMidiChannel(inChannel, instance_id))
{
MicroDexed[instance_id]->controllers.values_[kControllerPitch] = inPitch + 0x2000; // -8192 to +8191 --> 0 to 16383
}
}
}
void handleProgramChange(byte inChannel, byte inProgram)
{
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
if (checkMidiChannel(inChannel, instance_id))
{
if (inProgram < MAX_VOICES - 1)
{
#ifdef DISPLAY_LCD_SPI
change_disp_sd(false);
#endif
load_sysex(configuration.dexed[instance_id].bank, inProgram, instance_id);
#ifdef DISPLAY_LCD_SPI
change_disp_sd(true);
#endif
}
}
}
}
void handleSystemExclusive(byte * sysex, uint len)
{
/*
SYSEX MESSAGE: Parameter Change
-------------------------------
bits hex description
11110000 F0 Status byte - start sysex
0iiiiiii 43 ID # (i=67; Yamaha)
0sssnnnn 10 Sub-status (s=1) & channel number (n=0; ch 1)
0gggggpp ** parameter group # (g=0; voice, g=2; function)
0ppppppp ** parameter # (these are listed in next section)
Note that voice parameter #'s can go over 128 so
the pp bits in the group byte are either 00 for
par# 0-127 or 01 for par# 128-155. In the latter case
you add 128 to the 0ppppppp byte to compute par#.
0ddddddd ** data byte
11110111 F7 Status - end sysex
*/
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
if (!checkMidiChannel((sysex[2] & 0x0f) + 1 , instance_id))
{
#ifdef DEBUG
Serial.print(F("INSTANCE "));
Serial.print(instance_id, DEC);
Serial.println(F(": SYSEX-MIDI-Channel mismatch"));
#endif
return;
}
#ifdef DEBUG
Serial.print(F("INSTANCE "));
Serial.print(instance_id, DEC);
Serial.print(F(": SYSEX-Data["));
Serial.print(len, DEC);
Serial.print(F("]"));
for (uint8_t i = 0; i < len; i++)
{
Serial.print(F(" "));
Serial.print(sysex[i], DEC);
}
Serial.println();
#endif
if (sysex[1] != 0x43) // check for Yamaha sysex
{
#ifdef DEBUG
Serial.println(F("E: SysEx vendor not Yamaha."));
#endif
return;
}
#ifdef DEBUG
Serial.print(F("Substatus: ["));
Serial.print((sysex[2] & 0x70) >> 4);
Serial.println(F("]"));
#endif
// parse parameter change
if (len == 7)
{
if (((sysex[3] & 0x7c) >> 2) != 0 && ((sysex[3] & 0x7c) >> 2) != 2)
{
#ifdef DEBUG
Serial.println(F("E: Not a SysEx parameter or function parameter change."));
#endif
return;
}
if (sysex[6] != 0xf7)
{
#ifdef DEBUG
Serial.println(F("E: SysEx end status byte not detected."));
#endif
return;
}
sysex[4] &= 0x7f;
sysex[5] &= 0x7f;
if (((sysex[3] & 0x7c) >> 2) == 0)
{
MicroDexed[instance_id]->notesOff();
for (uint8_t i = 0; i < 128 || sysex[5] != 0xf7; i++)
MicroDexed[instance_id]->data[sysex[4] + ((sysex[3] & 0x03) * 128) + i] = sysex[5]; // set parameter
MicroDexed[instance_id]->doRefreshVoice();
}
else
{
switch (sysex[4])
{
case 65:
configuration.dexed[instance_id].pb_range = constrain(sysex[4], PB_RANGE_MIN, PB_RANGE_MAX);
MicroDexed[instance_id]->controllers.values_[kControllerPitchRange] = configuration.dexed[instance_id].pb_range;
break;
case 66:
configuration.dexed[instance_id].pb_step = constrain(sysex[4], PB_STEP_MIN, PB_STEP_MAX);
MicroDexed[instance_id]->controllers.values_[kControllerPitchStep] = configuration.dexed[instance_id].pb_step;
break;
case 67:
configuration.dexed[instance_id].portamento_mode = constrain(sysex[4], PORTAMENTO_MODE_MIN, PORTAMENTO_MODE_MAX);
MicroDexed[instance_id]->setPortamentoMode(configuration.dexed[instance_id].portamento_mode, configuration.dexed[instance_id].portamento_glissando, configuration.dexed[instance_id].portamento_time);
break;
case 68:
configuration.dexed[instance_id].portamento_glissando = constrain(sysex[4], PORTAMENTO_GLISSANDO_MIN, PORTAMENTO_GLISSANDO_MAX);
MicroDexed[instance_id]->setPortamentoMode(configuration.dexed[instance_id].portamento_mode, configuration.dexed[instance_id].portamento_glissando, configuration.dexed[instance_id].portamento_time);
break;
case 69:
configuration.dexed[instance_id].portamento_time = constrain(sysex[4], PORTAMENTO_TIME_MIN, PORTAMENTO_TIME_MAX);
MicroDexed[instance_id]->setPortamentoMode(configuration.dexed[instance_id].portamento_mode, configuration.dexed[instance_id].portamento_glissando, configuration.dexed[instance_id].portamento_time);
break;
case 70:
configuration.dexed[instance_id].mw_range = constrain(sysex[4], MW_RANGE_MIN, MW_RANGE_MAX);
MicroDexed[instance_id]->controllers.wheel.setRange(configuration.dexed[instance_id].mw_range);
break;
case 71:
configuration.dexed[instance_id].mw_assign = constrain(sysex[4], MW_ASSIGN_MIN, MW_ASSIGN_MAX);
MicroDexed[instance_id]->controllers.wheel.setTarget(configuration.dexed[instance_id].mw_assign);
break;
case 72:
configuration.dexed[instance_id].fc_range = constrain(sysex[4], FC_RANGE_MIN, FC_RANGE_MAX);
MicroDexed[instance_id]->controllers.foot.setRange(configuration.dexed[instance_id].fc_range);
break;
case 73:
configuration.dexed[instance_id].fc_assign = constrain(sysex[4], FC_ASSIGN_MIN, FC_ASSIGN_MAX);
MicroDexed[instance_id]->controllers.foot.setTarget(configuration.dexed[instance_id].fc_assign);
break;
case 74:
configuration.dexed[instance_id].bc_range = constrain(sysex[4], BC_RANGE_MIN, BC_RANGE_MAX);
MicroDexed[instance_id]->controllers.breath.setRange(configuration.dexed[instance_id].bc_range);
break;
case 75:
configuration.dexed[instance_id].bc_assign = constrain(sysex[4], BC_ASSIGN_MIN, BC_ASSIGN_MAX);
MicroDexed[instance_id]->controllers.breath.setTarget(configuration.dexed[instance_id].bc_assign);
break;
case 76:
configuration.dexed[instance_id].at_range = constrain(sysex[4], AT_RANGE_MIN, AT_RANGE_MAX);
MicroDexed[instance_id]->controllers.at.setRange(configuration.dexed[instance_id].at_range);
break;
case 77:
configuration.dexed[instance_id].at_assign = constrain(sysex[4], AT_ASSIGN_MIN, AT_ASSIGN_MAX);
MicroDexed[instance_id]->controllers.at.setTarget(configuration.dexed[instance_id].at_assign);
break;
default:
MicroDexed[instance_id]->data[sysex[4]] = sysex[5]; // set function parameter
break;
}
MicroDexed[instance_id]->controllers.refresh();
}
#ifdef DEBUG
Serial.print(F("SysEx"));
if (((sysex[3] & 0x7c) >> 2) == 0)
{
Serial.println(F(" voice:"));
show_patch(instance_id);
}
else
{
Serial.print(F(" function: "));
Serial.print(sysex[4], DEC);
Serial.print(F(" = "));
Serial.println(sysex[5], DEC);
}
#endif
}
else if (len == 163)
{
int32_t bulk_checksum_calc = 0;
int8_t bulk_checksum = sysex[161];
// 1 Voice bulk upload
#ifdef DEBUG
Serial.println(F("One Voice bulk upload"));
#endif
if (sysex[162] != 0xf7)
{
#ifdef DEBUG
Serial.println(F("E: Found no SysEx end marker."));
#endif
return;
}
if ((sysex[3] & 0x7f) != 0)
{
#ifdef DEBUG
Serial.println(F("E: Not a SysEx voice bulk upload."));
#endif
return;
}
if (((sysex[4] << 7) | sysex[5]) != 0x9b)
{
#ifdef DEBUG
Serial.println(F("E: Wrong length for SysEx voice bulk upload (not 155)."));
#endif
return;
}
// checksum calculation
for (uint8_t i = 0; i < 155 ; i++)
{
bulk_checksum_calc -= sysex[i + 6];
}
bulk_checksum_calc &= 0x7f;
if (bulk_checksum_calc != bulk_checksum)
{
#ifdef DEBUG
Serial.print(F("E: Checksum error for one voice [0x"));
Serial.print(bulk_checksum, HEX);
Serial.print(F("/0x"));
Serial.print(bulk_checksum_calc, HEX);
Serial.println(F("]"));
#endif
return;
}
// load sysex-data into voice memory
MicroDexed[instance_id]->loadVoiceParameters(&sysex[6]);
//MicroDexed[instance_id]->initGlobalParameters();
// manipulate UI names and numbers
strncpy(voice_name[instance_id], (char *)&sysex[151], sizeof(voice_name[instance_id]) - 1);
Serial.print(F("Got voice ["));
Serial.print(voice_name[instance_id]);
Serial.println(F("]."));
}
#ifdef DEBUG
else
Serial.println(F("E: SysEx parameter length wrong."));
#endif
}
}
void handleTimeCodeQuarterFrame(byte data)
{
;
}
void handleAfterTouchPoly(byte inChannel, byte inNumber, byte inVelocity)
{
;
}
void handleSongSelect(byte inSong)
{
;
}
void handleTuneRequest(void)
{
;
}
void handleClock(void)
{
midi_timing_counter++;
if (midi_timing_counter % 24 == 0)
{
midi_timing_quarter = midi_timing_timestep;
midi_timing_counter = 0;
midi_timing_timestep = 0;
// Adjust delay control here
#ifdef DEBUG
Serial.print(F("MIDI Clock: "));
Serial.print(60000 / midi_timing_quarter, DEC);
Serial.print(F("bpm ("));
Serial.print(midi_timing_quarter, DEC);
Serial.println(F("ms per quarter)"));
#endif
}
}
void handleStart(void)
{
;
}
void handleContinue(void)
{
;
}
void handleStop(void)
{
;
}
void handleActiveSensing(void)
{
;
}
void handleSystemReset(void)
{
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
#ifdef DEBUG
Serial.println(F("MIDI SYSEX RESET"));
#endif
MicroDexed[instance_id]->notesOff();
MicroDexed[instance_id]->panic();
MicroDexed[instance_id]->resetControllers();
}
}
/******************************************************************************
MIDI HELPER
******************************************************************************/
bool checkMidiChannel(byte inChannel, uint8_t instance_id)
{
// check for MIDI channel
if (configuration.dexed[instance_id].midi_channel == MIDI_CHANNEL_OMNI)
{
return (true);
}
else if (inChannel != configuration.dexed[instance_id].midi_channel)
{
#ifdef DEBUG
Serial.print(F("INSTANCE "));
Serial.print(instance_id, DEC);
Serial.print(F(": Ignoring MIDI data on channel "));
Serial.print(inChannel);
Serial.print(F("(listening on "));
Serial.print(configuration.dexed[instance_id].midi_channel);
Serial.println(F(")"));
#endif
return (false);
}
return (true);
}
/******************************************************************************
VOLUME HELPER
******************************************************************************/
void set_volume(uint8_t v, uint8_t m)
{
configuration.vol = v;
if (configuration.vol > 100)
configuration.vol = 100;
configuration.mono = m;
#ifdef DEBUG
Serial.print(F("Setting volume: VOL="));
Serial.println(v, DEC);
#endif
volume_r.gain(v / 100.0);
volume_l.gain(v / 100.0);
switch (m)
{
case 0: // stereo
stereo2mono.stereo(true);
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
mono2stereo[instance_id]->panorama(mapfloat(configuration.dexed[instance_id].pan, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
modchorus_inverter.gain(-1.0); // stereo mode
break;
case 1: // mono both
stereo2mono.stereo(false);
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
mono2stereo[instance_id]->panorama(mapfloat(PANORAMA_DEFAULT, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
modchorus_inverter.gain(1.0);
break;
case 2: // mono right
volume_l.gain(0.0);
stereo2mono.stereo(false);
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
mono2stereo[instance_id]->panorama(mapfloat(PANORAMA_MAX, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
modchorus_inverter.gain(1.0);
break;
case 3: // mono left
volume_r.gain(0.0);
stereo2mono.stereo(false);
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
mono2stereo[instance_id]->panorama(mapfloat(PANORAMA_MIN, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
modchorus_inverter.gain(1.0);
break;
}
}
/******************************************************************************
EEPROM HELPER
******************************************************************************/
void initial_values_from_eeprom(bool init)
{
uint32_t checksum;
config_t tmp_conf;
if (init == true)
init_configuration();
else
{
#ifdef DEBUG
Serial.println(F("Loading inital data from EEPROM."));
#endif
EEPROM.get(EEPROM_START_ADDRESS, tmp_conf);
checksum = crc32((byte*)&tmp_conf + 4, sizeof(tmp_conf) - 4);
#ifdef DEBUG
Serial.print(F("EEPROM checksum: 0x"));
Serial.print(tmp_conf.checksum, HEX);
Serial.print(F(" / 0x"));
Serial.println(checksum, HEX);
#endif
if (checksum != tmp_conf.checksum)
{
#ifdef DEBUG
Serial.println(F("Checksum mismatch -> initializing EEPROM!"));
#endif
init_configuration();
}
else
{
EEPROM.get(EEPROM_START_ADDRESS, configuration);
check_configuration();
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
MicroDexed[instance_id]->setPBController(configuration.dexed[instance_id].pb_range, configuration.dexed[instance_id].pb_step);
MicroDexed[instance_id]->setMWController(configuration.dexed[instance_id].mw_range, configuration.dexed[instance_id].mw_assign, configuration.dexed[instance_id].mw_mode);
MicroDexed[instance_id]->setFCController(configuration.dexed[instance_id].fc_range, configuration.dexed[instance_id].fc_assign, configuration.dexed[instance_id].fc_mode);
MicroDexed[instance_id]->setBCController(configuration.dexed[instance_id].bc_range, configuration.dexed[instance_id].bc_assign, configuration.dexed[instance_id].bc_mode);
MicroDexed[instance_id]->setATController(configuration.dexed[instance_id].at_range, configuration.dexed[instance_id].at_assign, configuration.dexed[instance_id].at_mode);
MicroDexed[instance_id]->setOPs(configuration.dexed[instance_id].op_enabled);
MicroDexed[instance_id]->doRefreshVoice();
#if defined(USE_FX)
chorus_send_mixer_r.gain(instance_id, configuration.dexed[instance_id].chorus_send / 100.0);
chorus_send_mixer_r.gain(instance_id, configuration.dexed[instance_id].chorus_send / 100.0);
delay_send_mixer_l.gain(instance_id, configuration.dexed[instance_id].delay_send / 100.0);
delay_send_mixer_l.gain(instance_id, configuration.dexed[instance_id].delay_send / 100.0);
delay_fb_mixer_r.gain(0, 1.0); // original signal
delay_fb_mixer_r.gain(1, mapfloat(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0)); // amount of feedback
delay_fb_mixer_l.gain(0, 1.0); // original signal
delay_fb_mixer_l.gain(1, mapfloat(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0)); // amount of feedback
reverb_send_mixer_r.gain(instance_id, configuration.dexed[instance_id].reverb_send / 100.0);
reverb_send_mixer_l.gain(instance_id, configuration.dexed[instance_id].reverb_send / 100.0);
// MicroDexed[instance_id]->fx.Gain = configuration.dexed[instance_id].sound_intensity / 100.0;
MicroDexed[instance_id]->fx.Gain = 1.0;
MicroDexed[instance_id]->fx.Reso = mapfloat(configuration.dexed[instance_id].filter_resonance, FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX, 1.0, 0.0);
MicroDexed[instance_id]->fx.Cutoff = mapfloat(configuration.dexed[instance_id].filter_cutoff, FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX, 1.0, 0.0);
#endif
MicroDexed[instance_id]->setOPs(configuration.dexed[instance_id].op_enabled);
dexed_level[instance_id]->gain(mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX));
}
}
#ifdef DEBUG
Serial.println(F("OK, loaded!"));
#endif
master_mixer_r.gain(DEXED, 1.0);
master_mixer_l.gain(DEXED, 1.0);
master_mixer_r.gain(CHORUS, mapfloat(configuration.chorus_level, CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0));
master_mixer_l.gain(CHORUS, mapfloat(configuration.chorus_level, CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0));
master_mixer_r.gain(DELAY, mapfloat(configuration.delay_level, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0));
master_mixer_l.gain(DELAY, mapfloat(configuration.delay_level, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0));
master_mixer_r.gain(REVERB, mapfloat(configuration.reverb_level, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX, 0.0, 1.0));
master_mixer_l.gain(REVERB, mapfloat(configuration.reverb_level, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX, 0.0, 1.0));
set_volume(configuration.vol, configuration.mono);
}
#ifdef DEBUG
show_configuration();
#endif
}
void check_configuration(void)
{
configuration.instances = constrain(configuration.instances, INSTANCES_MIN, INSTANCES_MAX);
configuration.vol = constrain(configuration.vol, VOLUME_MIN, VOLUME_MAX);
configuration.mono = constrain(configuration.mono, MONO_MIN, MONO_MAX);
configuration.reverb_roomsize = constrain(configuration.reverb_roomsize, REVERB_ROOMSIZE_MIN, REVERB_ROOMSIZE_MAX);
configuration.reverb_damping = constrain(configuration.reverb_damping, REVERB_DAMPING_MIN, REVERB_DAMPING_MAX);
configuration.reverb_level = constrain(configuration.reverb_level, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX);
configuration.chorus_frequency = constrain(configuration.chorus_frequency, CHORUS_FREQUENCY_MIN, CHORUS_FREQUENCY_MAX);
configuration.chorus_waveform = constrain(configuration.chorus_waveform, CHORUS_WAVEFORM_MIN, CHORUS_WAVEFORM_MAX);
configuration.chorus_depth = constrain(configuration.chorus_depth, CHORUS_DEPTH_MIN, CHORUS_DEPTH_MAX);
configuration.chorus_level = constrain(configuration.chorus_level, CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX);
configuration.delay_time = constrain(configuration.delay_time, DELAY_TIME_MIN / 10, DELAY_TIME_MAX / 10);
configuration.delay_feedback = constrain(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX);
configuration.delay_level = constrain(configuration.delay_level, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX);
configuration.soft_midi_thru = constrain(configuration.soft_midi_thru, SOFT_MIDI_THRU_MIN, SOFT_MIDI_THRU_MAX);
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
configuration.dexed[instance_id].midi_channel = constrain(configuration.dexed[instance_id].midi_channel, MIDI_CHANNEL_MIN, MIDI_CHANNEL_MAX);
configuration.dexed[instance_id].bank = constrain(configuration.dexed[instance_id].bank, 0, MAX_BANKS - 1);
configuration.dexed[instance_id].voice = constrain(configuration.dexed[instance_id].voice, 0, MAX_VOICES - 1);
configuration.dexed[instance_id].lowest_note = constrain(configuration.dexed[instance_id].lowest_note, INSTANCE_LOWEST_NOTE_MIN, INSTANCE_LOWEST_NOTE_MAX);
configuration.dexed[instance_id].highest_note = constrain(configuration.dexed[instance_id].highest_note, INSTANCE_HIGHEST_NOTE_MIN, INSTANCE_HIGHEST_NOTE_MAX);
configuration.dexed[instance_id].reverb_send = constrain(configuration.dexed[instance_id].reverb_send, REVERB_SEND_MIN, REVERB_SEND_MAX);
configuration.dexed[instance_id].chorus_send = constrain(configuration.dexed[instance_id].chorus_send, CHORUS_SEND_MIN, CHORUS_SEND_MAX);
configuration.dexed[instance_id].delay_send = constrain(configuration.dexed[instance_id].delay_send, DELAY_SEND_MIN, DELAY_SEND_MAX);
configuration.dexed[instance_id].filter_cutoff = constrain(configuration.dexed[instance_id].filter_cutoff, FILTER_CUTOFF_MIN, FILTER_CUTOFF_MAX);
configuration.dexed[instance_id].filter_resonance = constrain(configuration.dexed[instance_id].filter_resonance, FILTER_RESONANCE_MIN, FILTER_RESONANCE_MAX);
configuration.dexed[instance_id].sound_intensity = constrain(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX);
configuration.dexed[instance_id].pan = constrain(configuration.dexed[instance_id].pan, PANORAMA_MIN, PANORAMA_MAX);
configuration.dexed[instance_id].transpose = constrain(configuration.dexed[instance_id].transpose, TRANSPOSE_MIN, TRANSPOSE_MAX);
configuration.dexed[instance_id].tune = constrain(configuration.dexed[instance_id].tune, TUNE_MIN, TUNE_MAX);
configuration.dexed[instance_id].polyphony = constrain(configuration.dexed[instance_id].polyphony, POLYPHONY_MIN, POLYPHONY_MAX);
configuration.dexed[instance_id].velocity_level = constrain(configuration.dexed[instance_id].velocity_level, VELOCITY_LEVEL_MIN, VELOCITY_LEVEL_MAX);
configuration.dexed[instance_id].engine = constrain(configuration.dexed[instance_id].engine, ENGINE_MIN, ENGINE_MAX);
configuration.dexed[instance_id].monopoly = constrain(configuration.dexed[instance_id].monopoly, MONOPOLY_MIN, MONOPOLY_MAX);
configuration.dexed[instance_id].note_refresh = constrain(configuration.dexed[instance_id].note_refresh, NOTE_REFRESH_MIN, NOTE_REFRESH_MAX);
configuration.dexed[instance_id].pb_range = constrain(configuration.dexed[instance_id].pb_range, PB_RANGE_MIN, PB_RANGE_MAX);
configuration.dexed[instance_id].pb_step = constrain(configuration.dexed[instance_id].pb_step, PB_STEP_MIN, PB_STEP_MAX);
configuration.dexed[instance_id].mw_range = constrain(configuration.dexed[instance_id].mw_range, MW_RANGE_MIN, MW_RANGE_MAX);
configuration.dexed[instance_id].mw_assign = constrain(configuration.dexed[instance_id].mw_assign, MW_ASSIGN_MIN, MW_ASSIGN_MAX);
configuration.dexed[instance_id].mw_mode = constrain(configuration.dexed[instance_id].mw_mode, MW_MODE_MIN, MW_MODE_MAX);
configuration.dexed[instance_id].fc_range = constrain(configuration.dexed[instance_id].fc_range, FC_RANGE_MIN, FC_RANGE_MAX);
configuration.dexed[instance_id].fc_assign = constrain(configuration.dexed[instance_id].fc_assign, FC_ASSIGN_MIN, FC_ASSIGN_MAX);
configuration.dexed[instance_id].fc_mode = constrain(configuration.dexed[instance_id].fc_mode, FC_MODE_MIN, FC_MODE_MAX);
configuration.dexed[instance_id].bc_range = constrain(configuration.dexed[instance_id].bc_range, BC_RANGE_MIN, BC_RANGE_MAX);
configuration.dexed[instance_id].bc_assign = constrain(configuration.dexed[instance_id].bc_assign, BC_ASSIGN_MIN, BC_ASSIGN_MAX);
configuration.dexed[instance_id].bc_mode = constrain(configuration.dexed[instance_id].bc_mode, BC_MODE_MIN, BC_MODE_MAX);
configuration.dexed[instance_id].at_range = constrain(configuration.dexed[instance_id].at_range, AT_RANGE_MIN, AT_RANGE_MAX);
configuration.dexed[instance_id].at_assign = constrain(configuration.dexed[instance_id].at_assign, AT_ASSIGN_MIN, AT_ASSIGN_MAX);
configuration.dexed[instance_id].at_mode = constrain(configuration.dexed[instance_id].at_mode, AT_MODE_MIN, AT_MODE_MAX);
configuration.dexed[instance_id].portamento_mode = constrain(configuration.dexed[instance_id].portamento_mode, PORTAMENTO_MODE_MIN, PORTAMENTO_MODE_MAX);
configuration.dexed[instance_id].portamento_glissando = constrain(configuration.dexed[instance_id].portamento_glissando, PORTAMENTO_GLISSANDO_MIN, PORTAMENTO_GLISSANDO_MAX);
configuration.dexed[instance_id].portamento_time = constrain(configuration.dexed[instance_id].portamento_time, PORTAMENTO_TIME_MIN, PORTAMENTO_TIME_MAX);
configuration.dexed[instance_id].op_enabled = constrain(configuration.dexed[instance_id].op_enabled, OP_ENABLED_MIN, OP_ENABLED_MAX);
}
master_mixer_r.gain(CHORUS, mapfloat(configuration.delay_level, CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0));
master_mixer_l.gain(CHORUS, mapfloat(configuration.delay_level, CHORUS_LEVEL_MIN, CHORUS_LEVEL_MAX, 0.0, 1.0));
master_mixer_r.gain(DELAY, mapfloat(configuration.delay_level, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0));
master_mixer_l.gain(DELAY, mapfloat(configuration.delay_level, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0));
master_mixer_r.gain(REVERB, mapfloat(configuration.delay_level, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX, 0.0, 1.0));
master_mixer_l.gain(REVERB, mapfloat(configuration.delay_level, REVERB_LEVEL_MIN, REVERB_LEVEL_MAX, 0.0, 1.0));
}
void init_configuration(void)
{
#ifdef DEBUG
Serial.print(F("Initializing configuration"));
#endif
configuration.checksum = 0xffff;
configuration.instances = INSTANCES_DEFAULT;
configuration.vol = VOLUME_DEFAULT;
configuration.mono = MONO_DEFAULT;
configuration.reverb_roomsize = REVERB_ROOMSIZE_DEFAULT;
configuration.reverb_damping = REVERB_DAMPING_DEFAULT;
configuration.reverb_level = REVERB_LEVEL_DEFAULT;
configuration.chorus_frequency = CHORUS_FREQUENCY_DEFAULT;
configuration.chorus_waveform = CHORUS_WAVEFORM_DEFAULT;
configuration.chorus_depth = CHORUS_DEPTH_DEFAULT;
configuration.chorus_level = CHORUS_LEVEL_DEFAULT;
configuration.delay_time = DELAY_TIME_DEFAULT / 10;
configuration.delay_feedback = DELAY_FEEDBACK_DEFAULT;
configuration.delay_level = DELAY_LEVEL_DEFAULT;
configuration.soft_midi_thru = SOFT_MIDI_THRU_DEFAULT;
strcpy(configuration.config_name, "INITCONFIG");
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
configuration.dexed[instance_id].midi_channel = DEFAULT_MIDI_CHANNEL;
configuration.dexed[instance_id].bank = SYSEXBANK_DEFAULT;
configuration.dexed[instance_id].voice = SYSEXSOUND_DEFAULT;
configuration.dexed[instance_id].lowest_note = INSTANCE_LOWEST_NOTE_MIN;
configuration.dexed[instance_id].highest_note = INSTANCE_HIGHEST_NOTE_MAX;
configuration.dexed[instance_id].reverb_send = REVERB_SEND_DEFAULT;
configuration.dexed[instance_id].chorus_send = CHORUS_SEND_DEFAULT;
configuration.dexed[instance_id].delay_send = DELAY_SEND_DEFAULT;
configuration.dexed[instance_id].filter_cutoff = FILTER_CUTOFF_DEFAULT;
configuration.dexed[instance_id].filter_resonance = FILTER_RESONANCE_DEFAULT;
configuration.dexed[instance_id].sound_intensity = SOUND_INTENSITY_DEFAULT;
configuration.dexed[instance_id].pan = PANORAMA_DEFAULT;
configuration.dexed[instance_id].transpose = TRANSPOSE_DEFAULT;
configuration.dexed[instance_id].tune = TUNE_DEFAULT;
configuration.dexed[instance_id].polyphony = POLYPHONY_DEFAULT;
configuration.dexed[instance_id].velocity_level = VELOCITY_LEVEL_DEFAULT;
configuration.dexed[instance_id].engine = ENGINE_DEFAULT;
configuration.dexed[instance_id].monopoly = MONOPOLY_DEFAULT;
configuration.dexed[instance_id].note_refresh = NOTE_REFRESH_DEFAULT;
configuration.dexed[instance_id].pb_range = PB_RANGE_DEFAULT;
configuration.dexed[instance_id].pb_step = PB_STEP_DEFAULT;
configuration.dexed[instance_id].mw_range = MW_RANGE_DEFAULT;
configuration.dexed[instance_id].mw_assign = MW_ASSIGN_DEFAULT;
configuration.dexed[instance_id].mw_mode = MW_MODE_DEFAULT;
configuration.dexed[instance_id].fc_range = FC_RANGE_DEFAULT;
configuration.dexed[instance_id].fc_assign = FC_ASSIGN_DEFAULT;
configuration.dexed[instance_id].fc_mode = FC_MODE_DEFAULT;
configuration.dexed[instance_id].bc_range = BC_RANGE_DEFAULT;
configuration.dexed[instance_id].bc_assign = BC_ASSIGN_DEFAULT;
configuration.dexed[instance_id].bc_mode = BC_MODE_DEFAULT;
configuration.dexed[instance_id].at_range = AT_RANGE_DEFAULT;
configuration.dexed[instance_id].at_assign = AT_ASSIGN_DEFAULT;
configuration.dexed[instance_id].at_mode = AT_MODE_DEFAULT;
configuration.dexed[instance_id].portamento_mode = PORTAMENTO_MODE_DEFAULT;
configuration.dexed[instance_id].portamento_glissando = PORTAMENTO_GLISSANDO_DEFAULT;
configuration.dexed[instance_id].portamento_time = PORTAMENTO_TIME_DEFAULT;
configuration.dexed[instance_id].op_enabled = OP_ENABLED_DEFAULT;
MicroDexed[instance_id]->controllers.refresh();
}
set_volume(configuration.vol, configuration.mono);
eeprom_update();
}
void eeprom_write(void)
{
autostore = 0;
eeprom_update_flag = true;
}
void eeprom_update(void)
{
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
if (active_voices[instance_id] > 0)
autostore = 0;
else
{
eeprom_update_flag = false;
configuration.checksum = crc32((byte*)&configuration + 4, sizeof(configuration) - 4);
EEPROM.put(EEPROM_START_ADDRESS, configuration);
#ifdef DEBUG
Serial.println(F("Updating EEPROM"));
show_configuration();
#endif
}
}
}
/******************************************************************************
HELPERS
******************************************************************************/
uint32_t crc32(byte * calc_start, uint16_t calc_bytes) // base code from https://www.arduino.cc/en/Tutorial/EEPROMCrc
{
const uint32_t crc_table[16] =
{
0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac,
0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c,
0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c
};
uint32_t crc = ~0L;
for (byte* index = calc_start ; index < (calc_start + calc_bytes) ; ++index)
{
crc = crc_table[(crc ^ *index) & 0x0f] ^ (crc >> 4);
crc = crc_table[(crc ^ (*index >> 4)) & 0x0f] ^ (crc >> 4);
crc = ~crc;
}
return (crc);
}
void generate_version_string(char* buffer, uint8_t len)
{
char tmp[3];
memset(buffer, 0, len);
strncat(buffer, VERSION, len);
#if defined(TEENSY3_5)
strncat(buffer, "-3.5", 4);
#elif defined(TEENSY3_6)
strncat(buffer, "-3.6", 4);
#elif defined(TEENSY4)
strncat(buffer, "-4.0", 4);
#endif
#if defined(USE_FX)
strncat(buffer, "FX", 2);
#endif
#if defined(MAX_NOTES)
strncat(buffer, "-", 1);
itoa (MAX_NOTES, tmp, 10);
strncat(buffer, tmp, 2);
#endif
}
#ifdef DISPLAY_LCD_SPI
void change_disp_sd(bool disp)
{
if (sd_card > 0)
{
digitalWrite(sd_card, disp);
digitalWrite(U8X8_CS_PIN, !disp);
}
}
#endif
uint8_t check_sd_cards(void)
{
uint8_t ret = 0;
for (uint8_t i = 0; i < sizeof(cs_pins); i++)
{
#ifdef DEBUG
Serial.print(F("Checking CS pin "));
Serial.print(cs_pins[i], DEC);
Serial.println(F(" for SD card"));
#endif
SPI.setMOSI(mosi_pins[i]);
SPI.setSCK(sck_pins[i]);
if (SD.begin(cs_pins[i]) == true)
{
#ifdef DEBUG
Serial.print(F("Found. Using pin "));
Serial.println(cs_pins[i], DEC);
#endif
ret = cs_pins[i];
break;
}
}
return (ret);
}
/******************************************************************************
DEBUG HELPER
******************************************************************************/
#if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
void show_cpu_and_mem_usage(void)
{
uint32_t sum_xrun = 0;
uint16_t sum_render_time_max = 0;
uint32_t sum_overload = 0;
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
sum_xrun += MicroDexed[instance_id]->xrun;
sum_render_time_max += MicroDexed[instance_id]->render_time_max;
sum_overload += MicroDexed[instance_id]->overload;
MicroDexed[instance_id]->render_time_max = 0;
}
if (AudioProcessorUsageMax() > 99.9)
{
cpumax++;
#ifdef DEBUG
Serial.print(F("*"));
#endif
}
#ifdef DEBUG
else
Serial.print(F(" "));
Serial.print(F("CPU:"));
Serial.print(AudioProcessorUsage(), 2);
Serial.print(F("%|CPUMAX:"));
Serial.print(AudioProcessorUsageMax(), 2);
Serial.print(F("%|CPUMAXCNT:"));
Serial.print(cpumax, DEC);
Serial.print(F("|MEM:"));
Serial.print(AudioMemoryUsage(), DEC);
Serial.print(F("|MEMMAX:"));
Serial.print(AudioMemoryUsageMax(), DEC);
Serial.print(F("|RENDERTIMEMAX:"));
Serial.print(sum_render_time_max, DEC);
Serial.print(F("|XRUN:"));
Serial.print(sum_xrun, DEC);
Serial.print(F("|OVERLOAD:"));
Serial.println(sum_overload, DEC);
Serial.print(F("PEAKR:"));
Serial.print(peak_r, DEC);
Serial.print(F("|PEAKL:"));
Serial.print(peak_l, DEC);
Serial.print(F("|PEAKMD:"));
Serial.print(peak_dexed, DEC);
Serial.print(F("|ACTPEAKMD:"));
Serial.print(peak_dexed_value, 1);
Serial.print(F("|BLOCKSIZE:"));
Serial.println(AUDIO_BLOCK_SAMPLES, DEC);
Serial.print(F("|ACTVOICES:"));
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
Serial.print(instance_id, DEC);
Serial.print(F("="));
Serial.print(active_voices[instance_id], DEC);
if (instance_id != NUM_DEXED - 1)
Serial.print(F(","));
}
Serial.println();
#endif
AudioProcessorUsageMaxReset();
AudioMemoryUsageMaxReset();
}
#endif
#ifdef DEBUG
void show_configuration(void)
{
Serial.println();
Serial.println(F("CONFIGURATION:"));
Serial.print(F("Checksum 0x")); Serial.println(configuration.checksum, HEX);
Serial.print(F("Instances ")); Serial.println(configuration.instances, DEC);
Serial.print(F("Volume ")); Serial.println(configuration.vol, DEC);
Serial.print(F("Mono ")); Serial.println(configuration.mono, DEC);
Serial.print(F("Reverb Roomsize ")); Serial.println(configuration.reverb_roomsize, DEC);
Serial.print(F("Reverb Damping ")); Serial.println(configuration.reverb_damping, DEC);
Serial.print(F("Reverb Level ")); Serial.println(configuration.reverb_level, DEC);
Serial.print(F("Chorus Frequency ")); Serial.println(configuration.chorus_frequency, DEC);
Serial.print(F("Chorus Waveform ")); Serial.println(configuration.chorus_waveform, DEC);
Serial.print(F("Chorus Depth ")); Serial.println(configuration.chorus_depth, DEC);
Serial.print(F("Chorus Level ")); Serial.println(configuration.chorus_level, DEC);
Serial.print(F("Delay Time ")); Serial.println(configuration.delay_time, DEC);
Serial.print(F("Delay Feedback ")); Serial.println(configuration.delay_feedback, DEC);
Serial.print(F("Delay Level ")); Serial.println(configuration.delay_level, DEC);
Serial.print(F("Soft MIDI Thru ")); Serial.println(configuration.soft_midi_thru, DEC);
for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
{
Serial.print(F("=== DEXED INSTANCE "));
Serial.print(instance_id, DEC);
Serial.println(" ===");
Serial.print(F(" MIDI-Channel ")); Serial.println(configuration.dexed[instance_id].midi_channel, DEC);
Serial.print(F(" Bank ")); Serial.println(configuration.dexed[instance_id].bank, DEC);
Serial.print(F(" Voice ")); Serial.println(configuration.dexed[instance_id].voice, DEC);
Serial.print(F(" Lowest Note ")); Serial.println(configuration.dexed[instance_id].lowest_note, DEC);
Serial.print(F(" Highest Note ")); Serial.println(configuration.dexed[instance_id].highest_note, DEC);
Serial.print(F(" Reverb Send ")); Serial.println(configuration.dexed[instance_id].reverb_send, DEC);
Serial.print(F(" Chorus Send ")); Serial.println(configuration.dexed[instance_id].chorus_send, DEC);
Serial.print(F(" Delay Send ")); Serial.println(configuration.dexed[instance_id].delay_send, DEC);
Serial.print(F(" Filter Cutoff ")); Serial.println(configuration.dexed[instance_id].filter_cutoff, DEC);
Serial.print(F(" Filter Resonance ")); Serial.println(configuration.dexed[instance_id].filter_resonance, DEC);
Serial.print(F(" Sound Intensity ")); Serial.println(configuration.dexed[instance_id].sound_intensity, DEC);
Serial.print(F(" Panorama ")); Serial.println(configuration.dexed[instance_id].pan, DEC);
Serial.print(F(" Transpose ")); Serial.println(configuration.dexed[instance_id].transpose, DEC);
Serial.print(F(" Tune ")); Serial.println(configuration.dexed[instance_id].tune, DEC);
Serial.print(F(" Polyphony ")); Serial.println(configuration.dexed[instance_id].polyphony, DEC);
Serial.print(F(" Engine ")); Serial.println(configuration.dexed[instance_id].engine, DEC);
Serial.print(F(" Mono/Poly ")); Serial.println(configuration.dexed[instance_id].monopoly, DEC);
Serial.print(F(" Note Refresh ")); Serial.println(configuration.dexed[instance_id].note_refresh, DEC);
Serial.print(F(" Pitchbend Range ")); Serial.println(configuration.dexed[instance_id].pb_range, DEC);
Serial.print(F(" Pitchbend Step ")); Serial.println(configuration.dexed[instance_id].pb_step, DEC);
Serial.print(F(" Modwheel Range ")); Serial.println(configuration.dexed[instance_id].mw_range, DEC);
Serial.print(F(" Modwheel Assign ")); Serial.println(configuration.dexed[instance_id].mw_assign, DEC);
Serial.print(F(" Modwheel Mode ")); Serial.println(configuration.dexed[instance_id].mw_mode, DEC);
Serial.print(F(" Footctrl Range ")); Serial.println(configuration.dexed[instance_id].fc_range, DEC);
Serial.print(F(" Footctrl Assign ")); Serial.println(configuration.dexed[instance_id].fc_assign, DEC);
Serial.print(F(" Footctrl Mode ")); Serial.println(configuration.dexed[instance_id].fc_mode, DEC);
Serial.print(F(" BreathCtrl Range ")); Serial.println(configuration.dexed[instance_id].bc_range, DEC);
Serial.print(F(" Breathctrl Assign ")); Serial.println(configuration.dexed[instance_id].bc_assign, DEC);
Serial.print(F(" Breathctrl Mode ")); Serial.println(configuration.dexed[instance_id].bc_mode, DEC);
Serial.print(F(" Aftertouch Range ")); Serial.println(configuration.dexed[instance_id].at_range, DEC);
Serial.print(F(" Aftertouch Assign ")); Serial.println(configuration.dexed[instance_id].at_range, DEC);
Serial.print(F(" Aftertouch Mode ")); Serial.println(configuration.dexed[instance_id].at_mode, DEC);
Serial.print(F(" Portamento Mode ")); Serial.println(configuration.dexed[instance_id].portamento_mode, DEC);
Serial.print(F(" Portamento Glissando ")); Serial.println(configuration.dexed[instance_id].portamento_glissando, DEC);
Serial.print(F(" Portamento Time ")); Serial.println(configuration.dexed[instance_id].portamento_time, DEC);
Serial.print(F(" OP Enabled ")); Serial.println(configuration.dexed[instance_id].op_enabled, DEC);
Serial.flush();
}
Serial.println();
Serial.flush();
}
void show_patch(uint8_t instance_id)
{
char vn[VOICE_NAME_LEN];
Serial.print(F("INSTANCE "));
Serial.println(instance_id, DEC);
memset(vn, 0, sizeof(vn));
Serial.println(F("+==========================================================================================================+"));
for (int8_t i = 5; i >= 0; --i)
{
Serial.println(F("+==========================================================================================================+"));
Serial.print(F("| OP"));
Serial.print(6 - i, DEC);
Serial.println(F(" |"));
Serial.println(F("+======+======+======+======+======+======+======+======+================+================+================+"));
Serial.println(F("| R1 | R2 | R3 | R4 | L1 | L2 | L3 | L4 | LEV_SCL_BRK_PT | SCL_LEFT_DEPTH | SCL_RGHT_DEPTH |"));
Serial.println(F("+------+------+------+------+------+------+------+------+----------------+----------------+----------------+"));
Serial.print("| ");
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_R1]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_R2]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_R3]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_R4]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_L1]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_L2]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_L3]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_L4]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_LEV_SCL_BRK_PT]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_SCL_LEFT_DEPTH]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_SCL_RGHT_DEPTH]);
Serial.println(F(" |"));
Serial.println(F("+======+======+======+======+======+===+==+==+===+======+====+========+==+====+=======+===+================+"));
Serial.println(F("| SCL_L_CURVE | SCL_R_CURVE | RT_SCALE | AMS | KVS | OUT_LEV | OP_MOD | FRQ_C | FRQ_F | DETUNE |"));
Serial.println(F("+-------------+-------------+----------+-----+-----+---------+--------+-------+-------+--------------------+"));
Serial.print(F("| "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_SCL_LEFT_CURVE]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_SCL_RGHT_CURVE]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_OSC_RATE_SCALE]);
Serial.print(F(" |"));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_AMP_MOD_SENS]);
Serial.print(F(" |"));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_KEY_VEL_SENS]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_OUTPUT_LEV]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_OSC_MODE]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_FREQ_COARSE]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_FREQ_FINE]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_OSC_DETUNE]);
Serial.println(F(" |"));
}
Serial.println(F("+=======+=====+=+=======+===+===+======++====+==+==+====+====+==+======+======+=====+=+====================+"));
Serial.println(F("| PR1 | PR2 | PR3 | PR4 | PL1 | PL2 | PL3 | PL4 | ALG | FB | OKS | TRANSPOSE |"));
Serial.println(F("+-------+-------+-------+-------+-------+-------+-------+-------+------+------+-----+----------------------+"));
Serial.print(F("| "));
for (int8_t i = 0; i < 8; i++)
{
SerialPrintFormatInt3(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + i]);
Serial.print(F(" | "));
}
SerialPrintFormatInt3(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_ALGORITHM]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_FEEDBACK]);
Serial.print(F(" |"));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_OSC_KEY_SYNC]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_TRANSPOSE]);
Serial.println(F(" |"));
Serial.println(F("+=======+=+=====+===+===+=====+=+=======+=======+==+====+=====+=+======++=====+=====+======================+"));
Serial.println(F("| LFO SPD | LFO DLY | LFO PMD | LFO AMD | LFO SYNC | LFO WAVE | LFO PMS | NAME |"));
Serial.println(F("+---------+---------+---------+---------+----------+----------+---------+----------------------------------+"));
Serial.print(F("| "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_SPEED]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_DELAY]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_DEP]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_AMP_MOD_DEP]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_SYNC]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_WAVE]);
Serial.print(F(" | "));
SerialPrintFormatInt3(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_SENS]);
Serial.print(F(" | "));
strncpy(vn, (char *)&MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_NAME], VOICE_NAME_LEN - 1);
Serial.print(vn);
Serial.println(F(" |"));
Serial.println(F("+=========+=========+=========+=========+==========+==========+=========+==================================+"));
Serial.println(F("+==========================================================================================================+"));
}
void SerialPrintFormatInt3(uint8_t num)
{
char buf[4];
sprintf(buf, "%3d", num);
Serial.print(buf);
}
#endif