/* MicroDexed MicroDexed is a port of the Dexed sound engine (https://github.com/asb2m10/dexed) for the Teensy-3.5/3.6 with audio shield. Dexed ist heavily based on https://github.com/google/music-synthesizer-for-android (c)2018-2020 H. Wirtz This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef CONFIG_H_INCLUDED #define CONFIG_H_INCLUDED #include #include "midinotes.h" // ATTENTION! For better latency you have to redefine AUDIO_BLOCK_SAMPLES from // 128 to 64 in /cores/teensy3/AudioStream.h // If you want to test the system with Linux and without any keyboard and/or audio equipment, you can do the following: // 1. In Arduino-IDE enable "Tools->USB-Type->Serial + MIDI + Audio" // 2. Build the firmware with "MIDI_DEVICE_USB" enabled in config.h. // 3. Afterconnecting to a Linux system there should be a MIDI an audio device available that is called "MicroMDexed", so you can start the following: // $ aplaymidi -p 20:0 # e.g. test.mid // $ vkeybd --addr 20:0 // $ arecord -f cd -Dhw:1,0 /tmp/.wav // #define VERSION "0.9.9" //************************************************************************************************* //* DEVICE SETTINGS //************************************************************************************************* //************************************************************************************************* //* MIDI HARDWARE SETTINGS //************************************************************************************************* #define MIDI_DEVICE_DIN Serial1 #define MIDI_DEVICE_USB 1 #define MIDI_DEVICE_USB_HOST 1 //************************************************************************************************* //* AUDIO HARDWARE SETTINGS //************************************************************************************************* // If nothing is defined Teensy internal DAC is used as audio output device! // Left and right channel audio signal is presented on pins A21 and A22. #define AUDIO_DEVICE_USB //#define TEENSY_DAC //#define TEENSY_DAC_SYMMETRIC #define TEENSY_AUDIO_BOARD //#define I2S_AUDIO_ONLY //#define TGA_AUDIO_BOARD //#define PT8211_AUDIO //************************************************************************************************* //* MIDI SOFTWARE SETTINGS //************************************************************************************************* #define DEFAULT_MIDI_CHANNEL MIDI_CHANNEL_OMNI #define SYSEXBANK_DEFAULT 0 #define SYSEXSOUND_DEFAULT 0 //************************************************************************************************* //* DEXED AND EFECTS SETTINGS //************************************************************************************************* #define DEXED_ENGINE DEXED_ENGINE_MODERN // DEXED_ENGINE_MARKI // DEXED_ENGINE_OPL // CHORUS parameters #define MOD_DELAY_SAMPLE_BUFFER int32_t(TIME_MS2SAMPLES(20.0)) // 20.0 ms delay buffer. #define MOD_WAVEFORM WAVEFORM_TRIANGLE // WAVEFORM_SINE WAVEFORM_TRIANGLE WAVEFORM_SAWTOOTH WAVEFORM_SAWTOOTH_REVERSE #define MOD_FILTER_OUTPUT MOD_NO_FILTER_OUTPUT // MOD_LINKWITZ_RILEY_FILTER_OUTPUT MOD_BUTTERWORTH_FILTER_OUTPUT MOD_NO_FILTER_OUTPUT #define MOD_FILTER_CUTOFF_HZ 3000 // FX-CHAIN ENABLE/DISABLE //#define USE_FX 1 //************************************************************************************************* //* AUDIO SOFTWARE SETTINGS //************************************************************************************************* #ifndef TEENSY_AUDIO_BOARD #if AUDIO_BLOCK_SAMPLES == 64 #define AUDIO_MEM 512 #else #define AUDIO_MEM 384 #endif #define REDUCE_LOUDNESS 0 //#define REDUCE_LOUDNESS_FACTOR 1.0 #else // IF TEENSY_AUDIO_BOARD /* 13: 3.16 Volts p-p 14: 2.98 Volts p-p 15: 2.83 Volts p-p 16: 2.67 Volts p-p 17: 2.53 Volts p-p 18: 2.39 Volts p-p 19: 2.26 Volts p-p 20: 2.14 Volts p-p 21: 2.02 Volts p-p 22: 1.91 Volts p-p 23: 1.80 Volts p-p 24: 1.71 Volts p-p 25: 1.62 Volts p-p 26: 1.53 Volts p-p 27: 1.44 Volts p-p 28: 1.37 Volts p-p 29: 1.29 Volts p-p (default) 30: 1.22 Volts p-p 31: 1.16 Volts p-p */ #define SGTL5000_LINEOUT_LEVEL 21 #if AUDIO_BLOCK_SAMPLES == 64 #define AUDIO_MEM 512 #else #define AUDIO_MEM 384 #endif #define REDUCE_LOUDNESS 2 #endif #define DELAY_MAX_TIME 500 #define SAMPLE_RATE 44100 //************************************************************************************************* //* UI //************************************************************************************************* #define ENABLE_LCD_UI 1 #define STANDARD_LCD_I2C //#define OLED_SPI // LCD Display //I2C_DISPLAY only #ifdef STANDARD_LCD_I2C #define LCD_I2C_ADDRESS 0x27 //#define LCD_I2C_ADDRESS 0x3f //Display size, must be set for U8X8 as well #define LCD_cols 16 #define LCD_rows 2 #define I2C_DISPLAY // [I2C] SCL: Pin 19, SDA: Pin 18 (https://www.pjrc.com/teensy/td_libs_Wire.html) //#define LCD_GFX 1 #endif #ifdef OLED_SPI #define LCD_cols 16 #define LCD_rows 4 //enable U8X8 support #define U8X8_DISPLAY //enable SPI CS switching #define DISPLAY_LCD_SPI #define U8X8_DISPLAY_CLASS U8X8_SSD1322_NHD_256X64_4W_HW_SPI //#define U8X8_DISPLAY_CLASS U8X8_SSD1306_128X64_NONAME_HW_I2C #define U8X8_CS_PIN 9 #define U8X8_DC_PIN 15 #define U8X8_RESET_PIN 14 #endif #define CONTROL_RATE_MS 50 #define BACK_FROM_VOLUME_MS 2000 //************************************************************************************************* //* DEBUG OUTPUT SETTINGS //************************************************************************************************* #define DEBUG 1 #define SERIAL_SPEED 230400 #define SHOW_XRUN 1 #define SHOW_CPU_LOAD_MSEC 5000 //************************************************************************************************* //* HARDWARE SETTINGS //************************************************************************************************* #if defined(__IMXRT1062__) //Teensy-4.0 #define TEENSY4 #endif // Teensy Audio Shield (not used) //#define SDCARD_CS_PIN 10 //#define SDCARD_MOSI_PIN 7 //#define SDCARD_SCK_PIN 14 #ifndef TEENSY4 // Teensy 3.5 & 3.6 SD card #define SDCARD_CS_PIN BUILTIN_SDCARD #define SDCARD_MOSI_PIN 11 #define SDCARD_SCK_PIN 13 #else #define SDCARD_CS_PIN 10 #define SDCARD_MOSI_PIN 11 #define SDCARD_SCK_PIN 13 #endif // Encoder with button //#define ENCODER_USE_INTERRUPTS #define NUM_ENCODER 2 #define ENC_L_PIN_A 3 #define ENC_L_PIN_B 2 #define BUT_L_PIN 4 #ifndef TEENSY4 #define ENC_R_PIN_A 28 #define ENC_R_PIN_B 29 #define BUT_R_PIN 30 #else #define ENC_R_PIN_A 6 #define ENC_R_PIN_B 5 #define BUT_R_PIN 8 #endif #define BUT_DEBOUNCE_MS 20 #define LONG_BUTTON_PRESS 500 // Internal timer #define AUTOSTORE_MS 5000 // EEPROM address #define EEPROM_START_ADDRESS 100 #if defined(TEENSY_AUDIO_BOARD) #define EEPROM_SGTL5000_LINEOUT_LEVEL_ADDRESS 4095 #endif #define MAX_BANKS 100 #define MAX_VOICES 32 // voices per bank #define BANK_NAME_LEN 13 // FAT12 filenames (plus '\0') #define VOICE_NAME_LEN 11 // 10 (plus '\0') //************************************************************************************************* //* DO NO CHANGE ANYTHING BEYOND IF YOU DON'T KNOW WHAT YOU ARE DOING !!! //************************************************************************************************* #define NUM_DEXED 1 #define MAX_DEXED 2 #define NORMALIZE_DX_VELOCITY 1 //#define CPU_OVERLOAD_THROTTLE 95.0 // Level (in percent) when throttling should start #define CPU_OVERLOAD_THROTTLE_TIMER 100 // timer (in ms) when next throttling is possible enum { DEXED, CHORUS, DELAY, REVERB}; // MIDI #ifdef MIDI_DEVICE_USB #define USBCON 1 #endif #if defined(__IMXRT1062__) //Teensy-4.0 #undef MIDI_DEVICE_USB #define MAX_NOTES 16 #endif #if defined(__MK66FX1M0__) // Teensy-3.6 // Teensy-3.6 settings #define MIDI_DEVICE_USB_HOST 1 #if defined(USE_FX) #define MAX_NOTES 11 #else #define MAX_NOTES 16 #endif #endif #if defined (__MK64FX512__) // Teensy-3.5 settings #undef MIDI_DEVICE_USB_HOST #define MAX_NOTES 11 #undef USE_FX #endif #define TRANSPOSE_FIX 24 //#define VOICE_SILENCE_LEVEL 1069 #define VOICE_SILENCE_LEVEL 4000 // Audio #ifdef TGA_AUDIO_BOARD #define REDUCE_LOUDNESS 0 #endif // Some optimizations #define USE_TEENSY_DSP 1 // HELPER MACROS #define TIME_MS2SAMPLES(x) floor(uint32_t(x) * AUDIO_SAMPLE_RATE / 1000) #define SAMPLES2TIME_MS(x) float(uint32_t(x) * 1000 / AUDIO_SAMPLE_RATE) // Modulated delay options #define MOD_NO_FILTER_OUTPUT 0 #define MOD_BUTTERWORTH_FILTER_OUTPUT 1 #define MOD_LINKWITZ_RILEY_FILTER_OUTPUT 2 #if defined(TEENSY_DAC_SYMMETRIC) #define MONO_MIN 1 #define MONO_MAX 1 #define MONO_DEFAULT 1 #else #define MONO_MIN 0 #define MONO_MAX 3 #define MONO_DEFAULT 0 #endif #define VOLUME_MIN 0 #define VOLUME_MAX 100 #define VOLUME_DEFAULT 80 #define VOLUME_ENC_STEPS 5 #define PANORAMA_MIN 0 #define PANORAMA_MAX 40 #define PANORAMA_DEFAULT 20 #define MIDI_CHANNEL_MIN MIDI_CHANNEL_OMNI #define MIDI_CHANNEL_MAX 16 #define MIDI_CHANNEL_DEFAULT MIDI_CHANNEL_OMNI #define INSTANCE_LOWEST_NOTE_MIN 21 #define INSTANCE_LOWEST_NOTE_MAX 108 #define INSTANCE_LOWEST_NOTE_DEFAULT 21 #define INSTANCE_HIGHEST_NOTE_MIN 21 #define INSTANCE_HIGHEST_NOTE_MAX 108 #define INSTANCE_HIGHEST_NOTE_DEFAULT 108 #define REVERB_ROOMSIZE_MIN 0 #define REVERB_ROOMSIZE_MAX 100 #define REVERB_ROOMSIZE_DEFAULT 0 #define REVERB_DAMPING_MIN 0 #define REVERB_DAMPING_MAX 100 #define REVERB_DAMPING_DEFAULT 0 #define REVERB_SEND_MIN 0 #define REVERB_SEND_MAX 100 #define REVERB_SEND_DEFAULT 0 #define REVERB_LEVEL_MIN 0 #define REVERB_LEVEL_MAX 100 #define REVERB_LEVEL_DEFAULT 0 #define CHORUS_FREQUENCY_MIN 0 #define CHORUS_FREQUENCY_MAX 100 #define CHORUS_FREQUENCY_DEFAULT 0 #define CHORUS_WAVEFORM_MIN 0 #define CHORUS_WAVEFORM_MAX 1 #define CHORUS_WAVEFORM_DEFAULT 0 #define CHORUS_DEPTH_MIN 0 #define CHORUS_DEPTH_MAX 100 #define CHORUS_DEPTH_DEFAULT 0 #define CHORUS_SEND_MIN 0 #define CHORUS_SEND_MAX 100 #define CHORUS_SEND_DEFAULT 0 #define CHORUS_LEVEL_MIN 0 #define CHORUS_LEVEL_MAX 100 #define CHORUS_LEVEL_DEFAULT 0 #define DELAY_TIME_MIN 0 #define DELAY_TIME_MAX DELAY_MAX_TIME #define DELAY_TIME_DEFAULT 0 #define DELAY_FEEDBACK_MIN 0 #define DELAY_FEEDBACK_MAX 100 #define DELAY_FEEDBACK_DEFAULT 0 #define DELAY_SEND_MIN 0 #define DELAY_SEND_MAX 100 #define DELAY_SEND_DEFAULT 0 #define DELAY_LEVEL_MIN 0 #define DELAY_LEVEL_MAX 100 #define DELAY_LEVEL_DEFAULT 0 #define FILTER_CUTOFF_MIN 0 #define FILTER_CUTOFF_MAX 100 #define FILTER_CUTOFF_DEFAULT 0 #define FILTER_RESONANCE_MIN 0 #define FILTER_RESONANCE_MAX 100 #define FILTER_RESONANCE_DEFAULT 0 #define TRANSPOSE_MIN 0 #define TRANSPOSE_MAX 48 #define TRANSPOSE_DEFAULT 12 #define TUNE_MIN 1 #define TUNE_MAX 199 #define TUNE_DEFAULT 100 #define SOUND_INTENSITY_MIN 0 #define SOUND_INTENSITY_MAX 255 #define SOUND_INTENSITY_DEFAULT 100 #define POLYPHONY_MIN 1 #define POLYPHONY_MAX MAX_NOTES #define POLYPHONY_DEFAULT MAX_NOTES #define ENGINE_MIN 0 #define ENGINE_MAX 2 #define ENGINE_DEFAULT 0 #define MONOPOLY_MIN 0 #define MONOPOLY_MAX 1 #define MONOPOLY_DEFAULT 0 #define PB_RANGE_MIN 0 #define PB_RANGE_MAX 12 #define PB_RANGE_DEFAULT 1 #define PB_STEP_MIN 0 #define PB_STEP_MAX 12 #define PB_STEP_DEFAULT 1 #define MW_RANGE_MIN 0 #define MW_RANGE_MAX 99 #define MW_RANGE_DEFAULT 50 #define MW_ASSIGN_MIN 0 #define MW_ASSIGN_MAX 7 #define MW_ASSIGN_DEFAULT 0 // Bitmapped: 0: Pitch, 1: Amp, 2: Bias #define FC_RANGE_MIN 0 #define FC_RANGE_MAX 99 #define FC_RANGE_DEFAULT 50 #define FC_ASSIGN_MIN 0 #define FC_ASSIGN_MAX 7 #define FC_ASSIGN_DEFAULT 0 // Bitmapped: 0: Pitch, 1: Amp, 2: Bias #define BC_RANGE_MIN 0 #define BC_RANGE_MAX 99 #define BC_RANGE_DEFAULT 50 #define BC_ASSIGN_MIN 0 #define BC_ASSIGN_MAX 7 #define BC_ASSIGN_DEFAULT 0 // Bitmapped: 0: Pitch, 1: Amp, 2: Bias #define AT_RANGE_MIN 0 #define AT_RANGE_MAX 99 #define AT_RANGE_DEFAULT 50 #define AT_ASSIGN_MIN 0 #define AT_ASSIGN_MAX 7 #define AT_ASSIGN_DEFAULT 0 // Bitmapped: 0: Pitch, 1: Amp, 2: Bias #define OP_ENABLED_MIN 0 #define OP_ENABLED_MAX 0x3f #define OP_ENABLED_DEFAULT OP_ENABLED_MAX #define PORTAMENTO_MODE_MIN 0 #define PORTAMENTO_MODE_MAX 1 #define PORTAMENTO_MODE_DEFAULT 0 // 0: Retain, 1: Follow #define PORTAMENTO_GLISSANDO_MIN 0 #define PORTAMENTO_GLISSANDO_MAX 1 #define PORTAMENTO_GLISSANDO_DEFAULT 0 #define PORTAMENTO_TIME_MIN 0 #define PORTAMENTO_TIME_MAX 99 #define PORTAMENTO_TIME_DEFAULT 0 #define INSTANCES_MIN 1 #define INSTANCES_MAX NUM_DEXED #define INSTANCES_DEFAULT 1 #define INSTANCE_NOTE_START_MIN MIDI_AIS0 #define INSTANCE_NOTE_START_MAX MIDI_B7 #define INSTANCE_NOTE_START_DEFAULT INSTANCE_NOTE_START_MIN #define INSTANCE_NOTE_END_MIN MIDI_AIS0 #define INSTANCE_NOTE_END_MAX MIDI_B7 #define INSTANCE_NOTE_END_DEFAULT INSTANCE_NOTE_END_MAX #define SOFT_MIDI_THRU_MIN 0 #define SOFT_MIDI_THRU_MAX 1 #define SOFT_MIDI_THRU_DEFAULT 1 #define SGTL5000_LINEOUT_LEVEL_MIN 13 #define SGTL5000_LINEOUT_LEVEL_MAX 31 #define SGTL5000_LINEOUT_LEVEL_DEFAULT SGTL5000_LINEOUT_LEVEL // typedef struct { uint8_t midi_channel; uint8_t bank; uint8_t voice; uint8_t lowest_note; uint8_t highest_note; uint8_t reverb_send; uint8_t chorus_send; uint8_t delay_send; uint8_t filter_cutoff; uint8_t filter_resonance; uint8_t transpose; uint8_t tune; uint8_t sound_intensity; uint8_t pan; uint8_t polyphony; uint8_t engine; uint8_t monopoly; uint8_t pb_range; uint8_t pb_step; uint8_t mw_range; uint8_t mw_assign; uint8_t fc_range; uint8_t fc_assign; uint8_t bc_range; uint8_t bc_assign; uint8_t at_range; uint8_t at_assign; uint8_t portamento_mode; uint8_t portamento_glissando; uint8_t portamento_time; uint8_t op_enabled; } dexed_t; // struct for holding the current configuration typedef struct { uint32_t checksum; uint8_t instances; uint8_t vol; uint8_t mono; uint8_t reverb_roomsize; uint8_t reverb_damping; uint8_t reverb_level; uint8_t chorus_frequency; uint8_t chorus_waveform; uint8_t chorus_depth; uint8_t chorus_level; uint8_t delay_time; uint8_t delay_feedback; uint8_t delay_level; uint8_t soft_midi_thru; dexed_t dexed[NUM_DEXED]; char config_name[11]; } config_t; #if !defined(_MAPFLOAT) #define _MAPFLOAT inline float mapfloat(float val, float in_min, float in_max, float out_min, float out_max) { return (val - in_min) * (out_max - out_min) / (in_max - in_min) + out_min; } #endif #endif // CONFIG_H_INCLUDED