/* 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)2018,2019 H. Wirtz 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 #include "config.h" #include #include #include #include #include #include #include "midi_devices.hpp" #include "dexed.h" #include "dexed_sysex.h" #include "effect_modulated_delay.h" #include "effect_stereo_mono.h" #include "PluginFx.h" #include "UI.hpp" #include "source_microdexed.h" // Audio engines AudioAnalyzePeak peak1; AudioSourceMicroDexed* MicroDexed[NUM_DEXED]; AudioEffectDelay delay1; AudioEffectModulatedDelay modchorus; AudioSynthWaveform modulator; AudioMixer4 chorus_mixer; AudioMixer4 delay_mixer; AudioMixer4 delay_fb_mixer; AudioMixer4 master_mixer_r; AudioMixer4 master_mixer_l; AudioAmplifier volume_r; AudioAmplifier volume_l; AudioAmplifier modchorus_inverter; #if defined(AUDIO_DEVICE_USB) AudioOutputUSB usb1; #endif AudioEffectStereoMono stereomono1; // Audio connections AudioConnection patchCord1(modulator, 0, modchorus, 1); AudioConnection patchCord2(chorus_mixer, 0, modchorus, 0); AudioConnection patchCord3(delay_mixer, 0, delay_fb_mixer, 0); AudioConnection patchCord4(delay_fb_mixer, delay1); AudioConnection patchCord5(delay1, 0, delay_fb_mixer, 1); AudioConnection patchCord6(delay1, 0, master_mixer_r, 2); AudioConnection patchCord7(delay1, 0, master_mixer_l, 2); AudioConnection patchCord8(master_mixer_r, volume_r); AudioConnection patchCord9(master_mixer_l, volume_l); AudioConnection patchCord10(volume_r, 0, stereomono1, 0); AudioConnection patchCord11(volume_l, 0, stereomono1, 1); #if MOD_FILTER_OUTPUT != MOD_NO_FILTER_OUTPUT AudioFilterBiquad modchorus_filter; AudioConnection patchCord12(modchorus, modchorus_filter); AudioConnection patchCord13(modchorus_filter, 0, master_mixer_r, 3); AudioConnection patchCord14(modchorus_filter, modchorus_inverter); AudioConnection patchCord15(modchorus_inverter, 0, master_mixer_l, 3); #else AudioConnection patchCord16(modchorus, 0, master_mixer_r, 3); AudioConnection patchCord17(modchorus, modchorus_inverter); AudioConnection patchCord18(modchorus_inverter, 0, master_mixer_l, 3); #endif #if defined(USE_REVERB) AudioMixer4 reverb_mixer; AudioEffectFreeverbStereo freeverbs1; AudioConnection patchCord19(reverb_mixer, 0, freeverbs1, 0); AudioConnection patchCord20(freeverbs1, 0, master_mixer_r, 1); AudioConnection patchCord21(freeverbs1, 1, master_mixer_l, 1); #endif #ifdef AUDIO_DEVICE_USB AudioConnection patchCord22(stereomono1, 0, usb1, 0); AudioConnection patchCord23(stereomono1, 1, usb1, 1); #endif #if defined(TEENSY_AUDIO_BOARD) AudioOutputI2S i2s1; AudioConnection patchCord24(stereomono1, 0, i2s1, 0); AudioConnection patchCord25(stereomono1, 1, i2s1, 1); AudioControlSGTL5000 sgtl5000_1; #elif defined (I2S_AUDIO_ONLY) AudioOutputI2S i2s1; AudioConnection patchCord26(stereomono1, 0, i2s1, 0); AudioConnection patchCord27(stereomono1, 1, i2s1, 1); #elif defined(TGA_AUDIO_BOARD) AudioOutputI2S i2s1; AudioConnection patchCord28(stereomono1, 0, i2s1, 0); AudioConnection patchCord29(stereomono1, 1, i2s1, 1); AudioControlWM8731master wm8731_1; #elif defined(PT8211_AUDIO) AudioOutputPT8211 pt8211_1; AudioConnection patchCord30(stereomono1, 0, pt8211_1, 0); AudioConnection patchCord31(stereomono1, 1, pt8211_1, 1); #elif defined(TEENSY_DAC_SYMMETRIC) AudioOutputAnalogStereo dacOut; AudioMixer4 invMixer; AudioConnection patchCord32(stereomono1, 0, dacOut , 0); AudioConnection patchCord33(stereomono1, 1, invMixer, 0); AudioConnection patchCord34(invMixer, 0, dacOut , 1); #else AudioOutputAnalogStereo dacOut; AudioConnection patchCord35(stereomono1, 0, dacOut, 0); AudioConnection patchCord36(stereomono1, 1, dacOut, 1); #endif // // Dynamic patching // uint8_t nDynamic = 0; #ifdef USE_REVERB AudioConnection * dynamicConnections[NUM_DEXED * 7]; #else AudioConnection * dynamicConnections[NUM_DEXED * 6]; #endif void create_audio_connections(AudioSourceMicroDexed &d, uint8_t instance_id) { dynamicConnections[nDynamic++] = new AudioConnection(d, peak1); #if defined(USE_REVERB) dynamicConnections[nDynamic++] = new AudioConnection(d, 0, reverb_mixer, instance_id); #endif dynamicConnections[nDynamic++] = new AudioConnection(d, 0, delay_mixer, instance_id); dynamicConnections[nDynamic++] = new AudioConnection(d, 0, chorus_mixer, instance_id); dynamicConnections[nDynamic++] = new AudioConnection(d, 0 , master_mixer_r, 0); dynamicConnections[nDynamic++] = new AudioConnection(d, 0 , master_mixer_l, 0); } bool sd_card_available = false; 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]; 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 = 0; #ifdef SHOW_CPU_LOAD_MSEC elapsedMillis cpu_mem_millis; #endif //uint32_t overload = 0; uint32_t peak = 0; bool eeprom_update_flag = false; config_t configuration; uint8_t selected_dexed_instance = 0; // Allocate the delay lines for chorus int16_t delayline[MOD_DELAY_SAMPLE_BUFFER]; #ifdef ENABLE_LCD_UI /*********************************************************************** LCDMenuLib2 ***********************************************************************/ extern LCDMenuLib2 LCDML; extern uint8_t menu_state; #endif #ifdef DISPLAY_LCD_SPI void change_disp_sd(bool disp) { digitalWrite(SDCARD_CS_PIN, disp); digitalWrite(U8X8_CS_PIN, !disp); } #endif void setup() { // Start audio system AudioNoInterrupts(); AudioMemory(AUDIO_MEM); Serial.begin(SERIAL_SPEED); //while (!Serial) ; // wait for Serial Monitor #ifdef DISPLAY_LCD_SPI pinMode(SDCARD_CS_PIN, OUTPUT); pinMode(U8X8_CS_PIN, OUTPUT); #endif delay(320); // necessary, because before this time no serial output is done :( #ifdef ENABLE_LCD_UI setup_ui(); #else Serial.println(F("NO LCD DISPLAY ENABLED!")); #endif Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed")); Serial.println(F("(c)2018,2019 H. Wirtz ")); Serial.println(F("https://codeberg.org/dcoredump/MicroDexed")); Serial.print(F("Version: ")); Serial.println(VERSION); Serial.println(F("")); Serial.flush(); setup_midi_devices(); for (uint8_t i = 0; i < NUM_DEXED; i++) { Serial.print(F("Creating MicroDexed instance ")); Serial.print(i, DEC); MicroDexed[i] = new AudioSourceMicroDexed(SAMPLE_RATE); create_audio_connections(*MicroDexed[i], i); Serial.println(F("... created")); } // Init EEPROM if both buttons are pressed at startup /* if (digitalRead(BUT_R_PIN) == LOW) { Serial.println(F("Init EEPROM")); lcd.clear(); lcd.setCursor(0, 0); lcd.print(F("INIT")); lcd.setCursor(0, 1); lcd.print(F("EEPROM")); initial_values_from_eeprom(true); } else*/ initial_values_from_eeprom(false); #if defined(TEENSY_AUDIO_BOARD) sgtl5000_1.enable(); sgtl5000_1.dacVolumeRamp(); //sgtl5000_1.dacVolumeRampLinear(); //sgtl5000_1.dacVolumeRampDisable(); sgtl5000_1.unmuteHeadphone(); sgtl5000_1.unmuteLineout(); sgtl5000_1.autoVolumeDisable(); // turn off AGC sgtl5000_1.volume(0.5, 0.5); // Headphone volume sgtl5000_1.lineOutLevel(SGTL5000_LINEOUT_LEVEL); sgtl5000_1.audioPostProcessorEnable(); sgtl5000_1.autoVolumeControl(1, 1, 1, 0.9, 0.01, 0.05); sgtl5000_1.autoVolumeEnable(); sgtl5000_1.surroundSoundEnable(); 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.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); Serial.println(F("Teensy-Audio-Board enabled.")); #elif defined(TGA_AUDIO_BOARD) wm8731_1.enable(); wm8731_1.volume(1.0); Serial.println(F("TGA board enabled.")); #elif defined(I2S_AUDIO_ONLY) Serial.println(F("I2S enabled.")); #elif defined(PT8211_AUDIO) Serial.println(F("PT8211 enabled.")); #elif defined(TEENSY_DAC_SYMMETRIC) invMixer.gain(0, -1.f); Serial.println(F("Internal DAC using symmetric outputs enabled.")); #else Serial.println(F("Internal DAC enabled.")); #endif // start SD card #ifndef TEENSY4 SPI.setMOSI(SDCARD_MOSI_PIN); SPI.setSCK(SDCARD_SCK_PIN); #endif #ifdef DISPLAY_LCD_SPI change_disp_sd(false); #endif if (!SD.begin(SDCARD_CS_PIN)) { Serial.println(F("SD card not accessable.")); 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 { Serial.println(F("SD card found.")); sd_card_available = true; 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; 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 // Init effects memset(delayline, 0, sizeof(delayline)); if (!modchorus.begin(delayline, MOD_DELAY_SAMPLE_BUFFER)) { Serial.println(F("AudioEffectModulatedDelay - begin failed")); while (1); } #ifdef DEBUG Serial.print(F("MOD_DELAY_SAMPLE_BUFFER=")); Serial.print(MOD_DELAY_SAMPLE_BUFFER, DEC); Serial.println(F(" samples")); #endif master_mixer_r.gain(DEXED, 1.0); master_mixer_l.gain(DEXED, 1.0); #ifdef USE_REVERB // INIT REVERB for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++) reverb_mixer.gain(instance_id, mapfloat(configuration.dexed[instance_id].reverb_send, REVERB_SEND_MIN, REVERB_SEND_MAX, 0.0, 1.0)); master_mixer_r.gain(REVERB, 1.0); master_mixer_l.gain(REVERB, 1.0); freeverbs1.roomsize(mapfloat(configuration.reverb_roomsize, REVERB_ROOMSIZE_MIN, REVERB_ROOMSIZE_MAX, 0.0, 1.0)); freeverbs1.damping(mapfloat(configuration.reverb_damping, REVERB_DAMPING_MIN, REVERB_DAMPING_MAX, 0.0, 1.0)); #endif // INIT DELAY for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++) delay_mixer.gain(instance_id, mapfloat(configuration.dexed[instance_id].delay_send, DELAY_SEND_MIN, DELAY_SEND_MAX, 0.0, 1.0)); master_mixer_r.gain(DELAY, 1.0); master_mixer_l.gain(DELAY, 1.0); delay1.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.gain(0, 1.0 - (mapfloat(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0))); // original signal delay_fb_mixer.gain(0, 1.0); // original signal delay_fb_mixer.gain(1, mapfloat(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0)); // amount of feedback // INIT CHORUS for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++) chorus_mixer.gain(instance_id, mapfloat(configuration.dexed[instance_id].chorus_send, CHORUS_SEND_MIN, CHORUS_SEND_MAX, 0.0, 1.0)); master_mixer_r.gain(CHORUS, 1.0); master_mixer_l.gain(CHORUS, 1.0); switch (configuration.chorus_waveform) { case 0: modulator.begin(WAVEFORM_TRIANGLE); break; case 1: modulator.begin(WAVEFORM_SINE); break; default: modulator.begin(WAVEFORM_TRIANGLE); } modulator.phase(0); modulator.frequency(configuration.chorus_frequency / 10.0); modulator.amplitude(mapfloat(configuration.chorus_depth, CHORUS_DEPTH_MIN, CHORUS_DEPTH_MAX, 0.0, 1.0)); modulator.offset(0.0); #if MOD_FILTER_OUTPUT == MOD_BUTTERWORTH_FILTER_OUTPUT // Butterworth filter, 12 db/octave modchorus_filter.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.setLowpass(0, MOD_FILTER_CUTOFF_HZ, 0.54); modchorus_filter.setLowpass(1, MOD_FILTER_CUTOFF_HZ, 1.3); modchorus_filter.setLowpass(2, MOD_FILTER_CUTOFF_HZ, 0.54); modchorus_filter.setLowpass(3, MOD_FILTER_CUTOFF_HZ, 1.3); #endif if (configuration.mono == 0) modchorus_inverter.gain(-1.0); // stereo mode else modchorus_inverter.gain(1.0); // mono mode // Filter for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++) { MicroDexed[instance_id]->fx.Gain = mapfloat(configuration.dexed[instance_id].loudness, LOUDNESS_MIN, LOUDNESS_MAX, 0.0, 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(); } // set initial volume and pan (read from EEPROM) set_volume(configuration.vol, configuration.pan, configuration.mono); #if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC) // Initialize processor and memory measurements AudioProcessorUsageMaxReset(); AudioMemoryUsageMaxReset(); #endif for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++) { #ifdef DEBUG 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("]")); show_patch(instance_id); #endif } 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)")); #if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC) show_cpu_and_mem_usage(); #endif AudioInterrupts(); Serial.println(F("")); } void loop() { #ifdef OLD int16_t* audio_buffer; // pointer to AUDIO_BLOCK_SAMPLES * int16_t const uint16_t audio_block_time_us = 1000000 / (SAMPLE_RATE / AUDIO_BLOCK_SAMPLES); #endif //while (42 == 42) //{ #ifdef OLD // Main sound calculation if (queue1.available() && fill_audio_buffer > audio_block_time_us - 10) { fill_audio_buffer = 0; audio_buffer = queue1.getBuffer(); elapsedMicros t1; for (uint8_t i = 0; i < NUM_DEXED; i++) { MicroDexed[i]->getSamples(AUDIO_BLOCK_SAMPLES, audio_buffer); } if (t1 > audio_block_time_us) // everything greater 2.9ms is a buffer underrun! xrun++; if (t1 > render_time_max) render_time_max = t1; if (peak1.available()) { if (peak1.read() > 0.99) peak++; } queue1.playBuffer(); } #endif // MIDI input handling check_midi_devices(); // 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 && active_voices == 0 && eeprom_update_flag == true) 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 and unused voices for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++) { active_voices = MicroDexed[instance_id]->getNumNotesPlaying(); } } #if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC) if (cpu_mem_millis >= SHOW_CPU_LOAD_MSEC) { if (peak1.available()) { if (peak1.read() > 0.99) peak++; } 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)) { MicroDexed[instance_id]->keydown(inNumber, inVelocity); } } } 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)) { 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) { configuration.dexed[instance_id].bank = inValue; } 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.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); break; case 7: // Volume #ifdef DEBUG Serial.println(F("VOLUME CC")); #endif configuration.vol = map(inValue, 0, 0x7f, VOLUME_MIN, VOLUME_MAX); set_volume(configuration.vol, configuration.pan, configuration.mono); break; case 10: // Pan #ifdef DEBUG Serial.println(F("PANORAMA CC")); #endif configuration.pan = map(inValue, 0, 0x7f, PANORAMA_MIN, PANORAMA_MAX); set_volume(configuration.vol, configuration.pan, configuration.mono); break; case 32: // BankSelect LSB #ifdef DEBUG Serial.println(F("BANK-SELECT CC")); #endif configuration.dexed[instance_id].bank = inValue; 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); break; 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); 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); break; case 105: // CC 105: delay time configuration.delay_time = map(inValue, 0, 0x7f, DELAY_TIME_MIN, DELAY_TIME_MAX); delay1.delay(0, configuration.delay_time * 10); case 106: // CC 106: delay feedback configuration.delay_feedback = map(inValue, 0, 0x7f, DELAY_FEEDBACK_MIN , DELAY_FEEDBACK_MAX); delay_fb_mixer.gain(1, configuration.delay_feedback / 100.0 ); // amount of feedback delay_fb_mixer.gain(0, 1.0 - configuration.delay_feedback / 100.0); // original signalbreak; 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, configuration.dexed[instance_id].delay_send / 100.0); master_mixer_l.gain(2, configuration.dexed[instance_id].delay_send / 100.0); break; 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); break; case 127: MicroDexed[instance_id]->setMonoMode(false); break; } eeprom_write(); } } } 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) { #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; uint8_t data_index; if (((sysex[3] & 0x7c) >> 2) == 0) { MicroDexed[instance_id]->notesOff(); MicroDexed[instance_id]->data[sysex[4] + ((sysex[3] & 0x03) * 128)] = sysex[5]; // set parameter MicroDexed[instance_id]->doRefreshVoice(); data_index = sysex[4] + ((sysex[3] & 0x03) * 128); } else { MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET - 63 + sysex[4]] = sysex[5]; // set function parameter MicroDexed[instance_id]->controllers.values_[kControllerPitchRange] = MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PITCHBEND_RANGE]; MicroDexed[instance_id]->controllers.values_[kControllerPitchStep] = MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PITCHBEND_STEP]; MicroDexed[instance_id]->controllers.wheel.setRange(MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MODWHEEL_RANGE]); MicroDexed[instance_id]->controllers.wheel.setTarget(MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MODWHEEL_ASSIGN]); MicroDexed[instance_id]->controllers.foot.setRange(MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_FOOTCTRL_RANGE]); MicroDexed[instance_id]->controllers.foot.setTarget(MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_FOOTCTRL_ASSIGN]); MicroDexed[instance_id]->controllers.breath.setRange(MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_BREATHCTRL_RANGE]); MicroDexed[instance_id]->controllers.breath.setTarget(MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_BREATHCTRL_ASSIGN]); MicroDexed[instance_id]->controllers.at.setRange(MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_AT_RANGE]); MicroDexed[instance_id]->controllers.at.setTarget(MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_AT_ASSIGN]); MicroDexed[instance_id]->controllers.masterTune = (MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MASTER_TUNE] / 10 * 0x4000 << 11) * (1.0 / 12); MicroDexed[instance_id]->setPortamentoMode(MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PORTAMENTO_MODE], MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PORTAMENTO_GLISSANDO], MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PORTAMENTO_TIME]); MicroDexed[instance_id]->controllers.refresh(); data_index = DEXED_GLOBAL_PARAMETER_OFFSET - 63 + sysex[4]; } #ifdef DEBUG Serial.print(F("SysEx")); if (((sysex[3] & 0x7c) >> 2) == 0) Serial.print(F(" function")); Serial.print(F(" parameter ")); Serial.print(sysex[4], DEC); Serial.print(F(" = ")); Serial.print(sysex[5], DEC); Serial.print(F(", data_index = ")); Serial.println(data_index, 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, int8_t p, uint8_t m) { float tmp2; configuration.vol = v; if (configuration.vol > 100) configuration.vol = 100; //configuration.dexed[instance_id].pan = p; // TODO: Fixing pan per Dexed for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++) { configuration.pan = p; } configuration.mono = m; uint16_t tmp = v / 100.0 * 1023.0 + 0.5; for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++) { tmp2 = mapfloat(configuration.pan, PANORAMA_MIN, PANORAMA_MAX, 0.0, 1.0); } float tmp3 = (float)(tmp * (tmp + 2)) / (float)(1 << 20); #ifdef DEBUG Serial.print(F("Setting volume: VOL=")); Serial.print(v, DEC); Serial.print(F("[")); Serial.print(tmp3, 3); Serial.print(F("] PAN=")); Serial.print(p, DEC); Serial.print(F("[")); Serial.print(tmp2, 3); Serial.print(F("] ")); Serial.print(tmp3 * sinf(tmp2 * PI / 2), 3); Serial.print(F("/")); Serial.println(tmp3 * cosf(tmp2 * PI / 2), 3); #endif // float v = (float)(a * (a + 2))/(float)(1 << 20); // (pseudo-) logarithmic curve for volume control // http://files.csound-tutorial.net/floss_manual/Release03/Cs_FM_03_ScrapBook/b-panning-and-spatialization.html volume_r.gain(tmp3 * sinf(tmp2 * PI / 2)); volume_l.gain(tmp3 * cosf(tmp2 * PI / 2)); switch (m) { case 0: // stereo stereomono1.stereo(true); modchorus_inverter.gain(-1.0); // stereo mode break; case 1: // mono both stereomono1.stereo(false); for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++) { configuration.pan = 0.5; } modchorus_inverter.gain(1.0); // stereo mode break; case 2: // mono right volume_l.gain(0.0); stereomono1.stereo(false); configuration.pan = 0.5; modchorus_inverter.gain(1.0); // stereo mode break; case 3: // mono left volume_r.gain(0.0); stereomono1.stereo(false); configuration.pan = 0.5; modchorus_inverter.gain(1.0); // stereo mode break; } } // https://www.dr-lex.be/info-stuff/volumecontrols.html#table1 inline float logvol(float x) { return (0.001 * expf(6.908 * x)); } /****************************************************************************** EEPROM HELPER ******************************************************************************/ void initial_values_from_eeprom(bool init) { uint32_t checksum; config_t tmp_conf; if (init == true) init_configuration(); else { 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); 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); MicroDexed[instance_id]->setFCController(configuration.dexed[instance_id].fc_range, configuration.dexed[instance_id].fc_assign); MicroDexed[instance_id]->setBCController(configuration.dexed[instance_id].bc_range, configuration.dexed[instance_id].bc_assign); MicroDexed[instance_id]->setATController(configuration.dexed[instance_id].at_range, configuration.dexed[instance_id].at_assign); MicroDexed[instance_id]->setOPs(configuration.dexed[instance_id].op_enabled); MicroDexed[instance_id]->doRefreshVoice(); } } Serial.println(F("OK, loaded!")); } check_configuration(); #ifdef DEBUG show_configuration(); #endif if (configuration.vol > 100) configuration.vol = 100; // just to be sure ;-) } void check_configuration(void) { configuration.instances = constrain(configuration.instances, INSTANCES_MIN, INSTANCES_MAX); configuration.instance_mode = constrain(configuration.instance_mode, INSTANCE_MODE_MIN, INSTANCE_MODE_MAX); configuration.instance_splitpoint = constrain(configuration.instance_splitpoint, INSTANCE_SPLITPOINT_MAX, INSTANCE_SPLITPOINT_MAX); configuration.vol = constrain(configuration.vol, VOLUME_MIN, VOLUME_MAX); configuration.pan = constrain(configuration.pan, PANORAMA_MIN, PANORAMA_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.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.delay_time = constrain(configuration.delay_time, DELAY_TIME_MIN, DELAY_TIME_MAX); configuration.delay_feedback = constrain(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_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); configuration.dexed[instance_id].voice = constrain(configuration.dexed[instance_id].voice, 0, MAX_VOICES); 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].loudness = constrain(configuration.dexed[instance_id].loudness, LOUDNESS_MIN, LOUDNESS_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); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MASTER_TUNE] = configuration.dexed[instance_id].tune; configuration.dexed[instance_id].polyphony = constrain(configuration.dexed[instance_id].polyphony, POLYPHONY_MIN, POLYPHONY_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].pb_range = constrain(configuration.dexed[instance_id].pb_range, PB_RANGE_MIN, PB_RANGE_MAX); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PITCHBEND_RANGE] = configuration.dexed[instance_id].pb_range; configuration.dexed[instance_id].pb_step = constrain(configuration.dexed[instance_id].pb_step, PB_STEP_MIN, PB_STEP_MAX); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PITCHBEND_STEP] = configuration.dexed[instance_id].pb_step; configuration.dexed[instance_id].mw_range = constrain(configuration.dexed[instance_id].mw_range, MW_RANGE_MIN, MW_RANGE_MAX); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MODWHEEL_RANGE] = configuration.dexed[instance_id].mw_range; configuration.dexed[instance_id].mw_assign = constrain(configuration.dexed[instance_id].mw_assign, MW_ASSIGN_MIN, MW_ASSIGN_MAX); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MODWHEEL_ASSIGN] = configuration.dexed[instance_id].mw_assign; configuration.dexed[instance_id].fc_range = constrain(configuration.dexed[instance_id].fc_range, FC_RANGE_MIN, FC_RANGE_MAX); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_FOOTCTRL_RANGE] = configuration.dexed[instance_id].fc_range; configuration.dexed[instance_id].fc_assign = constrain(configuration.dexed[instance_id].fc_assign, FC_ASSIGN_MIN, FC_ASSIGN_MAX); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_FOOTCTRL_ASSIGN] = configuration.dexed[instance_id].fc_assign; configuration.dexed[instance_id].bc_range = constrain(configuration.dexed[instance_id].bc_range, BC_RANGE_MIN, BC_RANGE_MAX); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_BREATHCTRL_RANGE] = configuration.dexed[instance_id].bc_range; configuration.dexed[instance_id].bc_assign = constrain(configuration.dexed[instance_id].bc_assign, BC_ASSIGN_MIN, BC_ASSIGN_MAX); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_BREATHCTRL_ASSIGN] = configuration.dexed[instance_id].bc_assign; configuration.dexed[instance_id].at_range = constrain(configuration.dexed[instance_id].at_range, AT_RANGE_MIN, AT_RANGE_MAX); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_AT_RANGE] = configuration.dexed[instance_id].at_range; configuration.dexed[instance_id].at_assign = constrain(configuration.dexed[instance_id].at_assign, AT_ASSIGN_MIN, AT_ASSIGN_MAX); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_AT_ASSIGN] = configuration.dexed[instance_id].at_assign; configuration.dexed[instance_id].portamento_mode = constrain(configuration.dexed[instance_id].portamento_mode, PORTAMENTO_MODE_MIN, PORTAMENTO_MODE_MAX); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PORTAMENTO_MODE] = configuration.dexed[instance_id].portamento_mode; configuration.dexed[instance_id].portamento_glissando = constrain(configuration.dexed[instance_id].portamento_glissando, PORTAMENTO_GLISSANDO_MIN, PORTAMENTO_GLISSANDO_MAX); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PORTAMENTO_GLISSANDO] = configuration.dexed[instance_id].portamento_glissando; configuration.dexed[instance_id].portamento_time = constrain(configuration.dexed[instance_id].portamento_time, PORTAMENTO_TIME_MIN, PORTAMENTO_TIME_MAX); MicroDexed[instance_id]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PORTAMENTO_TIME] = configuration.dexed[instance_id].portamento_time; configuration.dexed[instance_id].op_enabled = constrain(configuration.dexed[instance_id].op_enabled, OP_ENABLED_MIN, OP_ENABLED_MAX); } } void init_configuration(void) { #ifdef DEBUG Serial.print(F("Initializing configuration")); #endif configuration.checksum = 0xffff; configuration.instances = INSTANCES_DEFAULT; configuration.instance_mode = INSTANCE_MODE_DEFAULT; configuration.instance_splitpoint = INSTANCE_SPLITPOINT_DEFAULT; configuration.vol = VOLUME_DEFAULT; configuration.pan = PANORAMA_DEFAULT; configuration.mono = MONO_DEFAULT; configuration.reverb_roomsize = REVERB_ROOMSIZE_DEFAULT; configuration.reverb_damping = REVERB_DAMPING_DEFAULT; configuration.chorus_frequency = CHORUS_FREQUENCY_DEFAULT; configuration.chorus_waveform = CHORUS_WAVEFORM_DEFAULT; configuration.chorus_depth = CHORUS_DEPTH_DEFAULT; configuration.delay_time = DELAY_TIME_DEFAULT; configuration.delay_feedback = DELAY_FEEDBACK_DEFAULT; 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].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].loudness = TRANSPOSE_DEFAULT; configuration.dexed[instance_id].transpose = TUNE_DEFAULT; configuration.dexed[instance_id].tune = LOUDNESS_DEFAULT; configuration.dexed[instance_id].polyphony = POLYPHONY_DEFAULT; configuration.dexed[instance_id].engine = ENGINE_DEFAULT; configuration.dexed[instance_id].monopoly = MONOPOLY_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].fc_range = FC_RANGE_DEFAULT; configuration.dexed[instance_id].fc_assign = FC_ASSIGN_DEFAULT; configuration.dexed[instance_id].bc_range = BC_RANGE_DEFAULT; configuration.dexed[instance_id].bc_assign = BC_ASSIGN_DEFAULT; configuration.dexed[instance_id].at_range = AT_RANGE_DEFAULT; configuration.dexed[instance_id].at_assign = AT_ASSIGN_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; } eeprom_update(); } void eeprom_write(void) { autostore = 0; eeprom_update_flag = true; } void eeprom_update(void) { eeprom_update_flag = false; configuration.checksum = crc32((byte*)&configuration + 4, sizeof(configuration) - 4); EEPROM.put(EEPROM_START_ADDRESS, configuration); Serial.println(F("Updating EEPROM")); #ifdef DEBUG show_configuration(); #endif } 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); } /****************************************************************************** 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; } Serial.print(F("CPU: ")); Serial.print(AudioProcessorUsage(), 2); Serial.print(F("% CPU MAX: ")); Serial.print(AudioProcessorUsageMax(), 2); Serial.print(F("% MEM: ")); Serial.print(AudioMemoryUsage(), DEC); Serial.print(F(" MEM MAX: ")); Serial.print(AudioMemoryUsageMax(), DEC); Serial.print(F(" RENDER_TIME_MAX: ")); Serial.print(sum_render_time_max, DEC); Serial.print(F(" XRUN: ")); Serial.print(sum_xrun, DEC); Serial.print(F(" OVERLOAD: ")); Serial.print(sum_overload, DEC); Serial.print(F(" PEAK: ")); Serial.print(peak, DEC); Serial.print(F(" BLOCKSIZE: ")); Serial.print(AUDIO_BLOCK_SAMPLES, DEC); Serial.print(F(" ACTIVE_VOICES: ")); Serial.print(active_voices, DEC); Serial.println(); Serial.flush(); 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("Instance Mode ")); Serial.println(configuration.instance_mode, DEC); Serial.print(F("Instance Splitpoint ")); Serial.println(configuration.instance_splitpoint, DEC); Serial.print(F("Volume ")); Serial.println(configuration.vol, DEC); Serial.print(F("Panorama ")); Serial.println(configuration.pan, 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("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("Delay Time ")); Serial.println(configuration.delay_time, DEC); Serial.print(F("Delay Feedback ")); Serial.println(configuration.delay_feedback, DEC); Serial.flush(); 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(" 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(" Loudness ")); Serial.println(configuration.dexed[instance_id].loudness, 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(" 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(" 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(" 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(" Aftertouch Range ")); Serial.println(configuration.dexed[instance_id].at_range, 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(); } void show_patch(uint8_t instance_id) { uint8_t i; char voicename[VOICE_NAME_LEN]; Serial.print(F("INSTANCE ")); Serial.println(instance_id, DEC); memset(voicename, 0, sizeof(voicename)); for (i = 0; i < 6; i++) { Serial.print(F("OP")); Serial.print(6 - i, DEC); 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.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_R1], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_R2], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_R3], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_R4], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_L1], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_L2], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_L3], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_EG_L4], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_LEV_SCL_BRK_PT], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_SCL_LEFT_DEPTH], DEC); Serial.print(F(" ")); Serial.println(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_SCL_RGHT_DEPTH], DEC); Serial.println(F("SCL_L_CURVE | SCL_R_CURVE | RT_SCALE | AMS | KVS | OUT_LEV | OP_MOD | FRQ_C | FRQ_F | DETUNE")); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_SCL_LEFT_CURVE], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_SCL_RGHT_CURVE], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_OSC_RATE_SCALE], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_AMP_MOD_SENS], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_KEY_VEL_SENS], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_OUTPUT_LEV], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_OSC_MODE], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_FREQ_COARSE], DEC); Serial.print(F(" ")); Serial.print(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_FREQ_FINE], DEC); Serial.print(F(" ")); Serial.println(MicroDexed[instance_id]->data[(i * 21) + DEXED_OP_OSC_DETUNE], DEC); Serial.flush(); } Serial.println(F("PR1 | PR2 | PR3 | PR4 | PL1 | PL2 | PL3 | PL4")); Serial.print(F(" ")); for (i = 0; i < 8; i++) { Serial.print(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + i], DEC); Serial.print(F(" ")); } Serial.println(); Serial.print(F("ALG: ")); Serial.println(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_ALGORITHM], DEC); Serial.print(F("FB: ")); Serial.println(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_FEEDBACK], DEC); Serial.print(F("OKS: ")); Serial.println(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_OSC_KEY_SYNC], DEC); Serial.print(F("LFO SPD: ")); Serial.println(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_SPEED], DEC); Serial.print(F("LFO_DLY: ")); Serial.println(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_DELAY], DEC); Serial.print(F("LFO PMD: ")); Serial.println(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_DEP], DEC); Serial.print(F("LFO_AMD: ")); Serial.println(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_AMP_MOD_DEP], DEC); Serial.print(F("LFO_SYNC: ")); Serial.println(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_SYNC], DEC); Serial.print(F("LFO_WAVEFRM: ")); Serial.println(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_WAVE], DEC); Serial.print(F("LFO_PMS: ")); Serial.println(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_SENS], DEC); Serial.print(F("TRNSPSE: ")); Serial.println(MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_TRANSPOSE], DEC); Serial.print(F("NAME: ")); strncpy(voicename, (char *)&MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_NAME], sizeof(voicename) - 1); Serial.print(F("[")); Serial.print(voicename); Serial.println(F("]")); Serial.flush(); for (i = DEXED_GLOBAL_PARAMETER_OFFSET; i <= DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PORTAMENTO_TIME; i++) { Serial.print(i, DEC); Serial.print(F(": ")); Serial.println(MicroDexed[instance_id]->data[i]); } Serial.println(); } #endif