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1050 lines
32 KiB
1050 lines
32 KiB
/*
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MicroDexed
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MicroDexed is a port of the Dexed sound engine
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(https://github.com/asb2m10/dexed) for the Teensy-3.5/3.6 with audio shield.
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Dexed ist heavily based on https://github.com/google/music-synthesizer-for-android
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(c)2018,2019 H. Wirtz <wirtz@parasitstudio.de>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include <limits.h>
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#include <Audio.h>
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#include <Wire.h>
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#include <SPI.h>
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#include <SD.h>
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#include <MIDI.h>
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#include <EEPROM.h>
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#include "UI.hpp"
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#include "EEPROMAnything.h"
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#include "midi_devices.hpp"
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#include "dexed.h"
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#include "dexed_sysex.h"
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#include "PluginFx.h"
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AudioPlayQueue queue1;
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AudioAnalyzePeak peak1;
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AudioEffectDelay delay1;
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AudioMixer4 mixer1;
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AudioMixer4 mixer2;
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AudioAmplifier volume_r;
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AudioAmplifier volume_l;
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AudioOutputUSB usb1;
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AudioConnection patchCord0(queue1, peak1);
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AudioConnection patchCord1(queue1, 0, mixer1, 0);
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AudioConnection patchCord2(queue1, 0, mixer2, 0);
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AudioConnection patchCord3(delay1, 0, mixer1, 1);
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AudioConnection patchCord4(delay1, 0, mixer2, 2);
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AudioConnection patchCord5(mixer1, delay1);
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AudioConnection patchCord6(mixer1, 0, mixer2, 1);
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AudioConnection patchCord7(mixer2, volume_r);
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AudioConnection patchCord8(mixer2, volume_l);
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AudioConnection patchCord9(mixer2, 0, usb1, 0);
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AudioConnection patchCord10(mixer2, 0, usb1, 1);
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#if defined(TEENSY_AUDIO_BOARD)
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AudioOutputI2S i2s1;
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AudioConnection patchCord11(volume_r, 0, i2s1, 0);
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AudioConnection patchCord12(volume_l, 0, i2s1, 1);
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AudioControlSGTL5000 sgtl5000_1;
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#elif defined(TGA_AUDIO_BOARD)
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AudioOutputI2S i2s1;
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AudioConnection patchCord11(volume_r, 0, i2s1, 0);
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AudioConnection patchCord12(volume_l, 0, i2s1, 1);
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AudioControlWM8731master wm8731_1;
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#else
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AudioOutputPT8211 pt8211_1;
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AudioConnection patchCord11(volume_r, 0, pt8211_1, 0);
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AudioConnection patchCord12(volume_l, 0, pt8211_1, 1);
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#endif
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Dexed* dexed = new Dexed(SAMPLE_RATE);
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bool sd_card_available = false;
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uint32_t xrun = 0;
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uint32_t overload = 0;
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uint32_t peak = 0;
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uint16_t render_time_max = 0;
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uint8_t max_loaded_banks = 0;
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char bank_name[BANK_NAME_LEN];
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char voice_name[VOICE_NAME_LEN];
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char bank_names[MAX_BANKS][BANK_NAME_LEN];
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char voice_names[MAX_VOICES][VOICE_NAME_LEN];
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elapsedMillis autostore;
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uint8_t midi_timing_counter = 0; // 24 per qarter
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elapsedMillis midi_timing_timestep;
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uint16_t midi_timing_quarter = 0;
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elapsedMillis long_button_pressed;
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uint8_t effect_filter_cutoff = 0;
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uint8_t effect_filter_resonance = 0;
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uint8_t effect_delay_time = 0;
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uint8_t effect_delay_feedback = 0;
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uint8_t effect_delay_volume = 0;
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bool effect_delay_sync = 0;
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elapsedMicros fill_audio_buffer;
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elapsedMillis control_rate;
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uint8_t active_voices = 0;
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#ifdef SHOW_CPU_LOAD_MSEC
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elapsedMillis cpu_mem_millis;
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#endif
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config_t configuration = {0xffff, 0, 0, VOLUME, 0.5f, DEFAULT_MIDI_CHANNEL};
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bool eeprom_update_flag = false;
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value_change_t soften_volume = {0.0, 0};
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value_change_t soften_filter_res = {0.0, 0};
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value_change_t soften_filter_cut = {0.0, 0};
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#ifdef ENABLE_LCD_UI
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/***********************************************************************
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LCDMenuLib2
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***********************************************************************/
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extern LiquidCrystal_I2C lcd;
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extern LCDMenuLib2 LCDML;
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#endif
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void setup()
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{
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//while (!Serial) ; // wait for Arduino Serial Monitor
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Serial.begin(SERIAL_SPEED);
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#ifdef ENABLE_LCD_UI
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// LCD Begin
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lcd.init();
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lcd.backlight();
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lcd.clear();
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lcd.blink_off();
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lcd.cursor_off();
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lcd.backlight();
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lcd.setCursor(1, 0);
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lcd.print("MicroDexed");
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lcd.setCursor(0, 1);
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lcd.print("(c)parasiTstudio");
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// set special chars for scrollbar
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lcd.createChar(0, (uint8_t*)scroll_bar[0]);
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lcd.createChar(1, (uint8_t*)scroll_bar[1]);
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lcd.createChar(2, (uint8_t*)scroll_bar[2]);
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lcd.createChar(3, (uint8_t*)scroll_bar[3]);
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lcd.createChar(4, (uint8_t*)scroll_bar[4]);
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// LCDMenuLib Setup
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LCDML_setup(_LCDML_DISP_cnt);
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// Enable Menu Rollover
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//LCDML.MENU_enRollover();
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// Enable Screensaver (screensaver menu function, time to activate in ms)
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//LCDML.SCREEN_enable(UI_voice_func_voice_selection, 10000); // set to 10 seconds
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#else
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Serial.println(F("NO LCD DISPLAY ENABLED!"));
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#endif
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delay(220);
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Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed"));
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Serial.println(F("(c)2018,2019 H. Wirtz <wirtz@parasitstudio.de>"));
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Serial.println(F("https://codeberg.org/dcoredump/MicroDexed"));
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Serial.print(F("Version: "));
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Serial.println(VERSION);
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Serial.println(F("<setup start>"));
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initial_values_from_eeprom();
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setup_midi_devices();
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// start audio card
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AudioNoInterrupts();
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AudioMemory(AUDIO_MEM);
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#ifdef TEENSY_AUDIO_BOARD
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sgtl5000_1.enable();
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sgtl5000_1.dacVolumeRamp();
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//sgtl5000_1.dacVolumeRampLinear();
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//sgtl5000_1.dacVolumeRampDisable();
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sgtl5000_1.unmuteHeadphone();
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sgtl5000_1.unmuteLineout();
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sgtl5000_1.autoVolumeDisable(); // turn off AGC
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sgtl5000_1.volume(0.5, 0.5); // Headphone volume
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sgtl5000_1.lineOutLevel(SGTL5000_LINEOUT_LEVEL);
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sgtl5000_1.audioPostProcessorEnable();
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sgtl5000_1.autoVolumeControl(1, 1, 1, 0.9, 0.01, 0.05);
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sgtl5000_1.autoVolumeEnable();
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sgtl5000_1.surroundSoundEnable();
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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).
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sgtl5000_1.enhanceBassEnable();
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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).
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/* The cutoff frequency is specified as follows:
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value frequency
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0 80Hz
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1 100Hz
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2 125Hz
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3 150Hz
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4 175Hz
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5 200Hz
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6 225Hz
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*/
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//sgtl5000_1.eqBands(bass, mid_bass, midrange, mid_treble, treble);
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Serial.println(F("Teensy-Audio-Board enabled."));
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#elif defined(TGA_AUDIO_BOARD)
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wm8731_1.enable();
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wm8731_1.volume(1.0);
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Serial.println(F("TGA board enabled."));
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#else
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Serial.println(F("PT8211 enabled."));
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#endif
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// start SD card
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SPI.setMOSI(SDCARD_MOSI_PIN);
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SPI.setSCK(SDCARD_SCK_PIN);
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if (!SD.begin(SDCARD_CS_PIN))
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{
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Serial.println(F("SD card not accessable."));
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strcpy(bank_name, "Default");
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strcpy(voice_name, "Default");
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}
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else
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{
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Serial.println(F("SD card found."));
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sd_card_available = true;
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// read all bank names
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max_loaded_banks = get_bank_names();
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strip_extension(bank_names[configuration.bank], bank_name);
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// read all voice name for actual bank
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get_voice_names_from_bank(configuration.bank);
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#ifdef DEBUG
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Serial.print(F("Bank ["));
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Serial.print(bank_names[configuration.bank]);
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Serial.print(F("/"));
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Serial.print(bank_name);
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Serial.println(F("]"));
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for (uint8_t n = 0; n < MAX_VOICES; n++)
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{
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if (n < 10)
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Serial.print(F(" "));
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Serial.print(F(" "));
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Serial.print(n, DEC);
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Serial.print(F("["));
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Serial.print(voice_names[n]);
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Serial.println(F("]"));
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}
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#endif
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// load default SYSEX data
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load_sysex(configuration.bank, configuration.voice);
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}
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// Init effects
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////delay1.delay(0, mapfloat(effect_delay_feedback, 0, ENC_DELAY_TIME_STEPS, 0.0, DELAY_MAX_TIME));
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// mixer1 is the feedback-adding mixer, mixer2 the whole delay (with/without feedback) mixer
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mixer1.gain(0, 1.0); // original signal
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////mixer1.gain(1, mapfloat(effect_delay_feedback, 0, ENC_DELAY_FB_STEPS, 0.0, 1.0)); // amount of feedback
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////mixer2.gain(0, 1.0 - mapfloat(effect_delay_volume, 0, ENC_DELAY_VOLUME_STEPS, 0.0, 1.0)); // original signal
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////mixer2.gain(1, mapfloat(effect_delay_volume, 0, ENC_DELAY_VOLUME_STEPS, 0.0, 1.0)); // delayed signal (including feedback)
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////mixer2.gain(2, mapfloat(effect_delay_volume, 0, ENC_DELAY_VOLUME_STEPS, 0.0, 1.0)); // only delayed signal (without feedback)
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dexed->fx.Gain = 1.0;
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dexed->fx.Reso = 1.0 - float(effect_filter_resonance) / ENC_FILTER_RES_STEPS;
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dexed->fx.Cutoff = 1.0 - float(effect_filter_cutoff) / ENC_FILTER_CUT_STEPS;
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// set initial volume and pan (read from EEPROM)
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set_volume(configuration.vol, configuration.pan);
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#if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
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// Initialize processor and memory measurements
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AudioProcessorUsageMaxReset();
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AudioMemoryUsageMaxReset();
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#endif
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#ifdef DEBUG
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Serial.print(F("Bank/Voice from EEPROM ["));
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Serial.print(configuration.bank, DEC);
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Serial.print(F("/"));
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Serial.print(configuration.voice, DEC);
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Serial.println(F("]"));
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show_patch();
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#endif
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Serial.print(F("AUDIO_BLOCK_SAMPLES="));
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Serial.print(AUDIO_BLOCK_SAMPLES);
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Serial.print(F(" (Time per block="));
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Serial.print(1000000 / (SAMPLE_RATE / AUDIO_BLOCK_SAMPLES));
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Serial.println(F("ms)"));
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#if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
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show_cpu_and_mem_usage();
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#endif
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AudioInterrupts();
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Serial.println(F("<setup end>"));
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}
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void loop()
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{
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int16_t* audio_buffer; // pointer to AUDIO_BLOCK_SAMPLES * int16_t
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const uint16_t audio_block_time_us = 1000000 / (SAMPLE_RATE / AUDIO_BLOCK_SAMPLES);
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while (42 == 42)
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{
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// Main sound calculation
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if (queue1.available() && fill_audio_buffer > audio_block_time_us - 10)
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{
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fill_audio_buffer = 0;
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audio_buffer = queue1.getBuffer();
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elapsedMicros t1;
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dexed->getSamples(AUDIO_BLOCK_SAMPLES, audio_buffer);
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if (t1 > audio_block_time_us) // everything greater 2.9ms is a buffer underrun!
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xrun++;
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if (t1 > render_time_max)
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render_time_max = t1;
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if (peak1.available())
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{
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if (peak1.read() > 0.99)
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peak++;
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}
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#ifndef TEENSY_AUDIO_BOARD
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for (uint8_t i = 0; i < AUDIO_BLOCK_SAMPLES; i++)
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audio_buffer[i] *= configuration.vol;
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#endif
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queue1.playBuffer();
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}
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// EEPROM update handling
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if (autostore >= AUTOSTORE_MS && active_voices == 0 && eeprom_update_flag == true)
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{
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// only store configuration data to EEPROM when AUTOSTORE_MS is reached and no voices are activated anymore
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eeprom_update();
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}
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// MIDI input handling
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check_midi_devices();
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// CONTROL-RATE-EVENT-HANDLING
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if (control_rate > CONTROL_RATE_MS)
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{
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#ifdef ENABLE_LCD_UI
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// LCD Menu
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LCDML.loop();
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LCDML_Voice.loop();
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#endif
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control_rate = 0;
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// Shutdown unused voices
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active_voices = dexed->getNumNotesPlaying();
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// check for value changes
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if (soften_volume.steps > 0)
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{
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// soften volume value
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soften_volume.steps--;
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set_volume(configuration.vol + soften_volume.diff, configuration.pan);
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#ifdef DEBUG
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Serial.print(F("Volume: "));
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Serial.print(configuration.vol, 5);
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Serial.print(F(" Volume step: "));
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Serial.print(soften_volume.steps);
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Serial.print(F(" Volume diff: "));
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Serial.println(soften_volume.diff, 5);
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#endif
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}
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if (soften_filter_res.steps > 0)
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{
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// soften filter resonance value
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soften_filter_res.steps--;
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dexed->fx.Reso = dexed->fx.Reso + soften_filter_res.diff;
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#ifdef DEBUG
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Serial.print(F("Filter-Resonance: "));
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Serial.print(dexed->fx.Reso, 5);
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Serial.print(F(" Filter-Resonance step: "));
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Serial.print(soften_filter_res.steps);
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Serial.print(F(" Filter-Resonance diff: "));
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Serial.println(soften_filter_res.diff, 5);
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#endif
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}
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if (soften_filter_cut.steps > 0)
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{
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// soften filter cutoff value
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soften_filter_cut.steps--;
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dexed->fx.Cutoff = dexed->fx.Cutoff + soften_filter_cut.diff;
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#ifdef DEBUG
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Serial.print(F("Filter-Cutoff: "));
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Serial.print(dexed->fx.Cutoff, 5);
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Serial.print(F(" Filter-Cutoff step: "));
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Serial.print(soften_filter_cut.steps);
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Serial.print(F(" Filter-Cutoff diff: "));
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Serial.println(soften_filter_cut.diff, 5);
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#endif
|
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}
|
|
}
|
|
|
|
#if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
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if (cpu_mem_millis >= SHOW_CPU_LOAD_MSEC)
|
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{
|
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cpu_mem_millis -= SHOW_CPU_LOAD_MSEC;
|
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show_cpu_and_mem_usage();
|
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}
|
|
#endif
|
|
}
|
|
}
|
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|
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/******************************************************************************
|
|
MIDI MESSAGE HANDLER
|
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******************************************************************************/
|
|
void handleNoteOn(byte inChannel, byte inNumber, byte inVelocity)
|
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{
|
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if (checkMidiChannel(inChannel))
|
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{
|
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dexed->keydown(inNumber, inVelocity);
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}
|
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}
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|
|
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void handleNoteOff(byte inChannel, byte inNumber, byte inVelocity)
|
|
{
|
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if (checkMidiChannel(inChannel))
|
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{
|
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dexed->keyup(inNumber);
|
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}
|
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}
|
|
|
|
void handleControlChange(byte inChannel, byte inCtrl, byte inValue)
|
|
{
|
|
if (checkMidiChannel(inChannel))
|
|
{
|
|
#ifdef DEBUG
|
|
Serial.print(F("CC#"));
|
|
Serial.print(inCtrl, DEC);
|
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Serial.print(F(":"));
|
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Serial.println(inValue, DEC);
|
|
#endif
|
|
|
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switch (inCtrl) {
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case 0:
|
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if (inValue < MAX_BANKS)
|
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{
|
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configuration.bank = inValue;
|
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}
|
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break;
|
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case 1:
|
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dexed->controllers.modwheel_cc = inValue;
|
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dexed->controllers.refresh();
|
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break;
|
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case 2:
|
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dexed->controllers.breath_cc = inValue;
|
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dexed->controllers.refresh();
|
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break;
|
|
case 4:
|
|
dexed->controllers.foot_cc = inValue;
|
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dexed->controllers.refresh();
|
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break;
|
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case 7: // Volume
|
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configuration.vol = float(inValue) / 0x7f;
|
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set_volume(configuration.vol, configuration.pan);
|
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break;
|
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case 10: // Pan
|
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configuration.pan = float(inValue) / 128;
|
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set_volume(configuration.vol, configuration.pan);
|
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break;
|
|
case 32: // BankSelect LSB
|
|
configuration.bank = inValue;
|
|
break;
|
|
case 64:
|
|
dexed->setSustain(inValue > 63);
|
|
if (!dexed->getSustain()) {
|
|
for (uint8_t note = 0; note < dexed->getMaxNotes(); note++) {
|
|
if (dexed->voices[note].sustained && !dexed->voices[note].keydown) {
|
|
dexed->voices[note].dx7_note->keyup();
|
|
dexed->voices[note].sustained = false;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 103: // CC 103: filter resonance
|
|
effect_filter_resonance = map(inValue, 0, 127, 0, ENC_FILTER_RES_STEPS);
|
|
dexed->fx.Reso = 1.0 - float(effect_filter_resonance) / ENC_FILTER_RES_STEPS;
|
|
break;
|
|
case 104: // CC 104: filter cutoff
|
|
effect_filter_cutoff = map(inValue, 0, 127, 0, ENC_FILTER_CUT_STEPS);
|
|
dexed->fx.Cutoff = 1.0 - float(effect_filter_cutoff) / ENC_FILTER_CUT_STEPS;
|
|
break;
|
|
case 105: // CC 105: delay time
|
|
effect_delay_time = map(inValue, 0, 127, 0, ENC_DELAY_TIME_STEPS);
|
|
////delay1.delay(0, mapfloat(effect_delay_time, 0, ENC_DELAY_TIME_STEPS, 0.0, DELAY_MAX_TIME));
|
|
break;
|
|
case 106: // CC 106: delay feedback
|
|
effect_delay_feedback = map(inValue, 0, 127, 0, ENC_DELAY_FB_STEPS);
|
|
////mixer1.gain(1, mapfloat(float(effect_delay_feedback), 0, ENC_DELAY_FB_STEPS, 0.0, 1.0));
|
|
break;
|
|
case 107: // CC 107: delay volume
|
|
effect_delay_volume = map(inValue, 0, 127, 0, ENC_DELAY_VOLUME_STEPS);
|
|
////mixer2.gain(1, mapfloat(effect_delay_volume, 0, ENC_DELAY_VOLUME_STEPS, 0.0, 1.0)); // delay tap1 signal (with added feedback)
|
|
break;
|
|
case 120:
|
|
dexed->panic();
|
|
break;
|
|
case 121:
|
|
dexed->resetControllers();
|
|
break;
|
|
case 123:
|
|
dexed->notesOff();
|
|
break;
|
|
case 126:
|
|
dexed->setMonoMode(true);
|
|
break;
|
|
case 127:
|
|
dexed->setMonoMode(false);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void handleAfterTouch(byte inChannel, byte inPressure)
|
|
{
|
|
dexed->controllers.aftertouch_cc = inPressure;
|
|
dexed->controllers.refresh();
|
|
}
|
|
|
|
void handlePitchBend(byte inChannel, int inPitch)
|
|
{
|
|
dexed->controllers.values_[kControllerPitch] = inPitch + 0x2000; // -8192 to +8191 --> 0 to 16383
|
|
}
|
|
|
|
void handleProgramChange(byte inChannel, byte inProgram)
|
|
{
|
|
if (inProgram < MAX_VOICES)
|
|
{
|
|
load_sysex(configuration.bank, inProgram);
|
|
}
|
|
}
|
|
|
|
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
|
|
*/
|
|
|
|
#ifdef DEBUG
|
|
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 (!checkMidiChannel((sysex[2] & 0x0f) + 1 ))
|
|
{
|
|
#ifdef DEBUG
|
|
Serial.println(F("SYSEX-MIDI-Channel mismatch"));
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
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)
|
|
{
|
|
dexed->notesOff();
|
|
dexed->data[sysex[4] + ((sysex[3] & 0x03) * 128)] = sysex[5]; // set parameter
|
|
dexed->doRefreshVoice();
|
|
data_index = sysex[4] + ((sysex[3] & 0x03) * 128);
|
|
}
|
|
else
|
|
{
|
|
dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET - 63 + sysex[4]] = sysex[5]; // set function parameter
|
|
dexed->controllers.values_[kControllerPitchRange] = dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PITCHBEND_RANGE];
|
|
dexed->controllers.values_[kControllerPitchStep] = dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PITCHBEND_STEP];
|
|
dexed->controllers.wheel.setRange(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MODWHEEL_RANGE]);
|
|
dexed->controllers.wheel.setTarget(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MODWHEEL_ASSIGN]);
|
|
dexed->controllers.foot.setRange(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_FOOTCTRL_RANGE]);
|
|
dexed->controllers.foot.setTarget(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_FOOTCTRL_ASSIGN]);
|
|
dexed->controllers.breath.setRange(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_BREATHCTRL_RANGE]);
|
|
dexed->controllers.breath.setTarget(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_BREATHCTRL_ASSIGN]);
|
|
dexed->controllers.at.setRange(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_AT_RANGE]);
|
|
dexed->controllers.at.setTarget(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_AT_ASSIGN]);
|
|
dexed->controllers.masterTune = (dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MASTER_TUNE] * 0x4000 << 11) * (1.0 / 12);
|
|
dexed->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
|
|
dexed->loadVoiceParameters(&sysex[6]);
|
|
//dexed->initGlobalParameters();
|
|
|
|
// manipulate UI names and numbers
|
|
strncpy(voice_name, (char *)&sysex[151], sizeof(voice_name) - 1);
|
|
Serial.print(F("Got voice ["));
|
|
Serial.print(voice_name);
|
|
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)
|
|
{
|
|
#ifdef DEBUG
|
|
Serial.println(F("MIDI SYSEX RESET"));
|
|
#endif
|
|
dexed->notesOff();
|
|
dexed->panic();
|
|
dexed->resetControllers();
|
|
}
|
|
|
|
/******************************************************************************
|
|
MIDI HELPER
|
|
******************************************************************************/
|
|
|
|
bool checkMidiChannel(byte inChannel)
|
|
{
|
|
// check for MIDI channel
|
|
if (configuration.midi_channel == MIDI_CHANNEL_OMNI)
|
|
{
|
|
return (true);
|
|
}
|
|
else if (inChannel != configuration.midi_channel)
|
|
{
|
|
#ifdef DEBUG
|
|
Serial.print(F("Ignoring MIDI data on channel "));
|
|
Serial.print(inChannel);
|
|
Serial.print(F("(listening on "));
|
|
Serial.print(configuration.midi_channel);
|
|
Serial.println(F(")"));
|
|
#endif
|
|
return (false);
|
|
}
|
|
return (true);
|
|
}
|
|
|
|
/******************************************************************************
|
|
VOLUME HELPER
|
|
******************************************************************************/
|
|
|
|
void set_volume(float v, float p)
|
|
{
|
|
configuration.vol = v;
|
|
configuration.pan = p;
|
|
|
|
#ifdef DEBUG
|
|
Serial.print(F("Setting volume: VOL="));
|
|
Serial.print(v, DEC);
|
|
Serial.print(F("["));
|
|
Serial.print(configuration.vol, DEC);
|
|
Serial.print(F("] PAN="));
|
|
Serial.print(F("["));
|
|
Serial.print(configuration.pan, DEC);
|
|
Serial.print(F("] "));
|
|
Serial.print(pow(configuration.vol * sinf(configuration.pan * PI / 2), VOLUME_CURVE), 3);
|
|
Serial.print(F("/"));
|
|
Serial.println(pow(configuration.vol * cosf( configuration.pan * PI / 2), VOLUME_CURVE), 3);
|
|
#endif
|
|
|
|
dexed->fx.Gain = v;
|
|
|
|
// http://files.csound-tutorial.net/floss_manual/Release03/Cs_FM_03_ScrapBook/b-panning-and-spatialization.html
|
|
volume_r.gain(sinf(p * PI / 2));
|
|
volume_l.gain(cosf(p * PI / 2));
|
|
}
|
|
|
|
// 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(void)
|
|
{
|
|
uint32_t checksum;
|
|
config_t tmp_conf;
|
|
|
|
EEPROM_readAnything(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.print(checksum, HEX);
|
|
#endif
|
|
|
|
if (checksum != tmp_conf.checksum)
|
|
{
|
|
#ifdef DEBUG
|
|
Serial.print(F(" - mismatch -> initializing EEPROM!"));
|
|
#endif
|
|
eeprom_update();
|
|
}
|
|
else
|
|
{
|
|
EEPROM_readAnything(EEPROM_START_ADDRESS, configuration);
|
|
Serial.print(F(" - OK, loading!"));
|
|
}
|
|
#ifdef DEBUG
|
|
Serial.println();
|
|
#endif
|
|
}
|
|
|
|
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_writeAnything(EEPROM_START_ADDRESS, configuration);
|
|
Serial.println(F("Updating EEPROM with configuration data"));
|
|
}
|
|
|
|
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)
|
|
{
|
|
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(render_time_max, DEC);
|
|
Serial.print(F(" XRUN: "));
|
|
Serial.print(xrun, DEC);
|
|
Serial.print(F(" OVERLOAD: "));
|
|
Serial.print(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();
|
|
AudioProcessorUsageMaxReset();
|
|
AudioMemoryUsageMaxReset();
|
|
render_time_max = 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef DEBUG
|
|
void show_patch(void)
|
|
{
|
|
uint8_t i;
|
|
char voicename[VOICE_NAME_LEN];
|
|
|
|
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(dexed->data[(i * 21) + DEXED_OP_EG_R1], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_R2], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_R3], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_R4], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_L1], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_L2], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_L3], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_L4], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_LEV_SCL_BRK_PT], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_SCL_LEFT_DEPTH], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.println(dexed->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(dexed->data[(i * 21) + DEXED_OP_SCL_LEFT_CURVE], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_SCL_RGHT_CURVE], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_OSC_RATE_SCALE], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_AMP_MOD_SENS], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_KEY_VEL_SENS], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_OUTPUT_LEV], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_OSC_MODE], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_FREQ_COARSE], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.print(dexed->data[(i * 21) + DEXED_OP_FREQ_FINE], DEC);
|
|
Serial.print(F(" "));
|
|
Serial.println(dexed->data[(i * 21) + DEXED_OP_OSC_DETUNE], DEC);
|
|
}
|
|
Serial.println(F("PR1 | PR2 | PR3 | PR4 | PL1 | PL2 | PL3 | PL4"));
|
|
Serial.print(F(" "));
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
Serial.print(dexed->data[DEXED_VOICE_OFFSET + i], DEC);
|
|
Serial.print(F(" "));
|
|
}
|
|
Serial.println();
|
|
Serial.print(F("ALG: "));
|
|
Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_ALGORITHM], DEC);
|
|
Serial.print(F("FB: "));
|
|
Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_FEEDBACK], DEC);
|
|
Serial.print(F("OKS: "));
|
|
Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_OSC_KEY_SYNC], DEC);
|
|
Serial.print(F("LFO SPD: "));
|
|
Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_SPEED], DEC);
|
|
Serial.print(F("LFO_DLY: "));
|
|
Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_DELAY], DEC);
|
|
Serial.print(F("LFO PMD: "));
|
|
Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_DEP], DEC);
|
|
Serial.print(F("LFO_AMD: "));
|
|
Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_AMP_MOD_DEP], DEC);
|
|
Serial.print(F("LFO_SYNC: "));
|
|
Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_SYNC], DEC);
|
|
Serial.print(F("LFO_WAVEFRM: "));
|
|
Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_WAVE], DEC);
|
|
Serial.print(F("LFO_PMS: "));
|
|
Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_SENS], DEC);
|
|
Serial.print(F("TRNSPSE: "));
|
|
Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_TRANSPOSE], DEC);
|
|
Serial.print(F("NAME: "));
|
|
strncpy(voicename, (char *)&dexed->data[DEXED_VOICE_OFFSET + DEXED_NAME], sizeof(voicename) - 1);
|
|
Serial.print(F("["));
|
|
Serial.print(voicename);
|
|
Serial.println(F("]"));
|
|
for (i = DEXED_GLOBAL_PARAMETER_OFFSET; i <= DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MAX_NOTES; i++)
|
|
{
|
|
Serial.print(i, DEC);
|
|
Serial.print(F(": "));
|
|
Serial.println(dexed->data[i]);
|
|
}
|
|
|
|
Serial.println();
|
|
}
|
|
#endif
|
|
|