MicroMDAEPiano/config.h

/*
   MicroMDAEPiano

   MicroMDAEPiano is a port of the MDA-EPiano sound engine
   (https://sourceforge.net/projects/mda-vst/) for the Teensy-3.5/3.6 with audio shield.
   
   (c)2019 H. Wirtz <wirtz@parasitstudio.de>

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
*/

#ifndef CONFIG_H_INCLUDED
#define CONFIG_H_INCLUDED

#include "midinotes.h"
#include <Arduino.h>

// ATTENTION! For better latency you have to redefine AUDIO_BLOCK_SAMPLES from
// 128 to 64 in <ARDUINO-IDE-DIR>/cores/teensy3/AudioStream.h

//*************************************************************************************************
//* DEVICE SETTINGS
//*************************************************************************************************

// MIDI
#define MIDI_DEVICE_DIN Serial1
#define MIDI_DEVICE_USB 1
#define MIDI_DEVICE_USB_HOST 1

// AUDIO
// If nothing is defined PT8211 is used as audio output device!
#define TEENSY_AUDIO_BOARD 1
//#define TGA_AUDIO_BOARD 1

//*************************************************************************************************
//* MIDI SETTINGS
//*************************************************************************************************

#define DEFAULT_MIDI_CHANNEL MIDI_CHANNEL_OMNI
#define MIDI_MERGE_THRU 1

//*************************************************************************************************
//* AUDIO SETTINGS
//*************************************************************************************************

#define VOLUME 0.8
#define VOLUME_CURVE 0.07
#define AUDIO_MEM 128
#define SAMPLE_RATE 44100
#define REDUCE_LOUDNESS 0
#define USE_XFADE_DATA 1

//*************************************************************************************************
//* DEBUG OUTPUT SETTINGS
//*************************************************************************************************

#define DEBUG 1
#define SERIAL_SPEED 38400
#define SHOW_XRUN 1
#define SHOW_CPU_LOAD_MSEC 5000

//*************************************************************************************************
//* HARDWARE SETTINGS
//*************************************************************************************************

// Teensy Audio Shield:
#define SGTL5000_LINEOUT_LEVEL 29
//#define SDCARD_CS_PIN    10
//#define SDCARD_MOSI_PIN  7
//#define SDCARD_SCK_PIN   14
// Teensy 3.5 & 3.6 SD card
#define SDCARD_CS_PIN    BUILTIN_SDCARD
#define SDCARD_MOSI_PIN  11  // not actually used
#define SDCARD_SCK_PIN   13  // not actually used

// Encoder with button
#define NUM_ENCODER 2
#define ENC_L_PIN_A  3
#define ENC_L_PIN_B  2
#define BUT_L_PIN    4
#define INITIAL_ENC_L_VALUE 0
#define ENC_R_PIN_A  28
#define ENC_R_PIN_B  29
#define BUT_R_PIN    30
#define INITIAL_ENC_R_VALUE 0
#define BUT_DEBOUNCE_MS 20
#define LONG_BUTTON_PRESS 500

// LCD display (I2C)
// [I2C] SCL: Pin 19, SDA: Pin 18 (https://www.pjrc.com/teensy/td_libs_Wire.html)
#define LCD_I2C_ADDRESS 0x27
#define LCD_CHARS 16
#define LCD_LINES 2

// EEPROM address
#define EEPROM_START_ADDRESS 0

//*************************************************************************************************
//* DO NO CHANGE ANYTHING BEYOND IF YOU DON'T KNOW WHAT YOU ARE DOING !!!
//*************************************************************************************************

#define CONTROL_RATE_MS 100

// MIDI
#ifdef MIDI_DEVICE_USB
#define USBCON 1
#endif
#if defined(__MK66FX1M0__)
// Teensy-3.6 settings
#define MIDI_DEVICE_USB_HOST 1
#else
// Teensy-3.5 settings
#undef MIDI_DEVICE_USB_HOST
#endif
// Engine
#if defined(__MK66FX1M0__)
// Teensy-3.6 settings
#define NVOICES 64
#else
#define NVOICES 32
#endif

// struct for holding the current configuration
struct config_t {
  uint32_t checksum;
  uint8_t voice;
  float vol;
  float pan;
  uint8_t midi_channel;
};

#endif