/*
   MicroMDAEpiano

   MicroMDAEpiano is a port of the MDAEpiano sound engine
   (http://mda.smartelectronix.com/synths.htm) for the Teensy-3.5/3.6 with audio
   shield. 

   (c)2018 H. Wirtz <wirtz@parasitstudio.de>

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

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

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

*/

#include "midinotes.h"

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

// Initial values
#define MIDI_DEVICE Serial1
#define USE_ONBOARD_USB_HOST 1
//#define TEENSY_AUDIO_BOARD 1
#define VOLUME 0.8
#define DEFAULT_MIDI_CHANNEL MIDI_CHANNEL_OMNI
#define AUDIO_MEM 300
#define SAMPLE_RATE 44100
#define REDUCE_LOUDNESS 0

#if !defined(__MK66FX1M0__) // check for Teensy-3.6
#undef USE_ONBOARD_USB_HOST
#define NVOICES 32
#else
#define NVOICES 32
#endif
#define USBCON 1  // enabling onboard MIDI via programing connector
#define MIDI_MERGE_THRU 1

// Debug output
#define SERIAL_SPEED 38400
#define DEBUG 1
//#define SHOW_MIDI_EVENT 1
#define SHOW_XRUN 1
#define SHOW_CPU_LOAD_MSEC 5000

// Enable TEST_NOTE for adding code to drop some midi notes for testing without keyboard
//#define TEST_NOTE MIDI_E2
#define TEST_VEL_MIN 60
#define TEST_VEL_MAX 110

// Use these with the Teensy Audio Shield
//#define SDCARD_CS_PIN    10
//#define SDCARD_MOSI_PIN  7
//#define SDCARD_SCK_PIN   14
// Use these with the 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 ENC1_PIN_A  14
#define ENC1_PIN_B  15
#define BUT1_PIN    16
#define INITIAL_ENC1_VALUE 0

// EEPROM address
#define EEPROM_OFFSET 0
#define EEPROM_DATA_LENGTH 5

#define EEPROM_CRC32_ADDR EEPROM.length()-sizeof(uint32_t)
#define EEPROM_BANK_ADDR 0
#define EEPROM_VOICE_ADDR 1
#define EEPROM_MASTER_VOLUME_ADDR 2
#define EEPROM_VOLUME_RIGHT_ADDR 3
#define EEPROM_VOLUME_LEFT_ADDR 4