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MicroMDAEPiano
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Code Issues Releases Wiki Activity

Code cleanup.

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master
Holger Wirtz 6 years ago
parent efed303cfa
commit 299b8dc33f
8 changed files with 258 additions and 184 deletions
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  1. 47
      Encoder4.h
  2. 3
      LiquidCrystalPlus_I2C.h
  3. 270
      MicroMDAEPiano.ino
  4. 100
      config.h
  5. 4
      mdaEPiano.cpp
  6. 10
      mdaEPiano.h
  7. 4
      mdaEPianoData.h
  8. 4
      mdaEPianoDataXfade.h

47
Encoder4.h
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@ -0,0 +1,47 @@
/*
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
*/
#include <Encoder.h>
#ifndef ENCODER4_H_INCLUDED
#define ENCODER4_H_INCLUDED
class Encoder4 : public Encoder
{
public:
using Encoder::Encoder;
int32_t read()
{
return (Encoder::read() / 4);
}
void write(int32_t p)
{
Encoder::write(p * 4);
}
};
#endif

3
LiquidCrystalPlus_I2C.h
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@ -20,11 +20,12 @@
along with this program; if not, write to the Free Software Foundation, along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#include <LiquidCrystal_I2C.h> // https://www.arduinolibraries.info/libraries/liquid-crystal-i2-c
#ifndef LIQUIDCRYSTALPLUS_I2C_H_INCLUDED #ifndef LIQUIDCRYSTALPLUS_I2C_H_INCLUDED
#define LIQUIDCRYSTALPLUS_I2C_H_INCLUDED #define LIQUIDCRYSTALPLUS_I2C_H_INCLUDED
#include <LiquidCrystal_I2C.h> // https://www.arduinolibraries.info/libraries/liquid-crystal-i2-c
#define STRING_BUF_SIZE 21 #define STRING_BUF_SIZE 21
class LiquidCrystalPlus_I2C : public LiquidCrystal_I2C class LiquidCrystalPlus_I2C : public LiquidCrystal_I2C

270
MicroMDAEPiano.ino
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@ -34,31 +34,28 @@
#else #else
#include "mdaEPianoData.h" #include "mdaEPianoData.h"
#endif #endif
#if defined(USBCON) #if defined(MIDI_DEVICE_USB)
#include <midi_UsbTransport.h> #include <midi_UsbTransport.h>
#endif #endif
#ifdef USE_ONBOARD_USB_HOST #ifdef MIDI_DEVICE_USB_HOST
#include <USBHost_t36.h> #include <USBHost_t36.h>
#endif #endif
#include <Bounce.h> #include <Bounce.h>
#include <Encoder.h> #include "Encoder4.h"
#include "LiquidCrystalPlus_I2C.h" #include "LiquidCrystalPlus_I2C.h"
// [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 //* GLOBAL VARIABLES
#define LCD_LINES 2 //*************************************************************************************************
LiquidCrystalPlus_I2C lcd(LCD_I2C_ADDRESS, LCD_CHARS, LCD_LINES);
Encoder enc1(ENC1_PIN_A, ENC1_PIN_B); // Audio configuration
Bounce but1 = Bounce(BUT1_PIN, 10); // 10 ms debounce AudioPlayQueue queue_r;
AudioPlayQueue queue_l;
// GUItool: begin automatically generated code AudioAnalyzePeak peak_r;
AudioPlayQueue queue_r; //xy=494,404 AudioAnalyzePeak peak_l;
AudioPlayQueue queue_l; //xy=494,404 AudioEffectFreeverb freeverb_r;
AudioAnalyzePeak peak_r; //xy=695,491 AudioEffectFreeverb freeverb_l;
AudioAnalyzePeak peak_l; //xy=695,491
AudioEffectFreeverb freeverb_r;
AudioEffectFreeverb freeverb_l;
AudioMixer4 mixer_r; AudioMixer4 mixer_r;
AudioMixer4 mixer_l; AudioMixer4 mixer_l;
AudioConnection patchCord0(queue_r, peak_r); AudioConnection patchCord0(queue_r, peak_r);
@ -70,22 +67,41 @@ AudioConnection patchCord7(queue_l, 0, mixer_l, 0);
AudioConnection patchCord8(freeverb_r, 0, mixer_r, 1); AudioConnection patchCord8(freeverb_r, 0, mixer_r, 1);
AudioConnection patchCord9(freeverb_l, 0, mixer_l, 1); AudioConnection patchCord9(freeverb_l, 0, mixer_l, 1);
#ifdef TEENSY_AUDIO_BOARD #ifdef TEENSY_AUDIO_BOARD
AudioOutputI2S i2s1; //xy=1072,364 AudioOutputI2S i2s1;
AudioConnection patchCord110(mixer_r, 0, i2s1, 0); AudioConnection patchCord110(mixer_r, 0, i2s1, 0);
AudioConnection patchCord111(mixer_l, 0, i2s1, 1); AudioConnection patchCord111(mixer_l, 0, i2s1, 1);
AudioControlSGTL5000 sgtl5000_1; //xy=700,536 AudioControlSGTL5000 sgtl5000_1;
#else #else
AudioOutputPT8211 pt8211_1; //xy=1079,320 AudioOutputPT8211 pt8211_1;
AudioAmplifier volume_r; //xy=818,370 AudioAmplifier volume_r;
AudioAmplifier volume_l; //xy=818,411 AudioAmplifier volume_l;
AudioConnection patchCord10(mixer_r, volume_r); AudioConnection patchCord10(mixer_r, volume_r);
AudioConnection patchCord11(mixer_l, volume_l); AudioConnection patchCord11(mixer_l, volume_l);
AudioConnection patchCord12(volume_r, 0, pt8211_1, 1); AudioConnection patchCord12(volume_r, 0, pt8211_1, 1);
AudioConnection patchCord13(volume_l, 0, pt8211_1, 0); AudioConnection patchCord13(volume_l, 0, pt8211_1, 0);
#endif #endif
// GUItool: end automatically generated code
// Objects
mdaEPiano* ep; mdaEPiano* ep;
LiquidCrystalPlus_I2C lcd(LCD_I2C_ADDRESS, LCD_CHARS, LCD_LINES);
Encoder4 enc[2] = {Encoder4(ENC_L_PIN_A, ENC_L_PIN_B), Encoder4(ENC_R_PIN_A, ENC_R_PIN_B)};
int32_t enc_val[2] = {INITIAL_ENC_L_VALUE, INITIAL_ENC_R_VALUE};
Bounce but[2] = {Bounce(BUT_L_PIN, BUT_DEBOUNCE_MS), Bounce(BUT_R_PIN, BUT_DEBOUNCE_MS)};
#ifdef MIDI_DEVICE_DIN
MIDI_CREATE_INSTANCE(HardwareSerial, MIDI_DEVICE_DIN, midi_serial);
#endif
#ifdef MIDI_DEVICE_USB_HOST
USBHost usb_host;
MIDIDevice midi_usb(usb_host);
#endif
#ifdef MIDI_DEVICE_USB
static const unsigned sUsbTransportBufferSize = 16;
typedef midi::UsbTransport<sUsbTransportBufferSize> UsbTransport;
UsbTransport sUsbTransport;
MIDI_CREATE_INSTANCE(UsbTransport, sUsbTransport, midi_onboard_usb);
#endif
// Variables
uint8_t midi_channel = DEFAULT_MIDI_CHANNEL; uint8_t midi_channel = DEFAULT_MIDI_CHANNEL;
uint32_t xrun = 0; uint32_t xrun = 0;
uint32_t overload = 0; uint32_t overload = 0;
@ -96,38 +112,24 @@ float vol_right = 1.0;
float vol_left = 1.0; float vol_left = 1.0;
elapsedMicros fill_audio_buffer; elapsedMicros fill_audio_buffer;
const uint16_t audio_block_time_us = 1000000 / (SAMPLE_RATE / AUDIO_BLOCK_SAMPLES); const uint16_t audio_block_time_us = 1000000 / (SAMPLE_RATE / AUDIO_BLOCK_SAMPLES);
#ifdef SHOW_CPU_LOAD_MSEC #ifdef SHOW_CPU_LOAD_MSEC
elapsedMillis cpu_mem_millis; elapsedMillis cpu_mem_millis;
#endif #endif
#ifdef MIDI_DEVICE enum MDA_EP_PARAM { DECAY, RELEASE, HARDNESS, TREBLE, PAN_TREM, LFO_RATE, VELOCITY_SENSE, STEREO, MAX_POLY, TUNE, DETUNE, OVERDRIVE };
MIDI_CREATE_INSTANCE(HardwareSerial, MIDI_DEVICE, midi_serial);
#endif
#ifdef USE_ONBOARD_USB_HOST
USBHost usb_host;
MIDIDevice midi_usb(usb_host);
#endif
#if defined(USBCON)
static const unsigned sUsbTransportBufferSize = 16;
typedef midi::UsbTransport<sUsbTransportBufferSize> UsbTransport;
UsbTransport sUsbTransport;
MIDI_CREATE_INSTANCE(UsbTransport, sUsbTransport, midi_onboard_usb);
#endif
#ifdef TEST_NOTE
IntervalTimer sched_note_on;
IntervalTimer sched_note_off;
uint8_t _voice_counter = 0;
#endif
enum MDA_EP_PARAM { DECAY, RELEASE, HARDNESS, TREBLE, PAN_TREM, LFO_RATE, VELOCITY_SENSE, STEREO, MAX_POLY, TUNE, DETUNE, OVERDRIVE }; //*************************************************************************************************
//* SETUP FUNCTION
//*************************************************************************************************
void setup() void setup()
{ {
//while (!Serial) ; // wait for Arduino Serial Monitor //while (!Serial) ; // wait for Arduino Serial Monitor
Serial.begin(SERIAL_SPEED); Serial.begin(SERIAL_SPEED);
delay(220); delay(220);
// LCD display setup
lcd.init(); lcd.init();
lcd.blink_off(); lcd.blink_off();
lcd.cursor_off(); lcd.cursor_off();
@ -137,37 +139,47 @@ void setup()
lcd.display(); lcd.display();
lcd.show(0, 0, 20, " MicroMDAEPiano"); lcd.show(0, 0, 20, " MicroMDAEPiano");
lcd.show(1, 0, 16, "(c)parasiTstudio"); lcd.show(1, 0, 16, "(c)parasiTstudio");
enc1.write(INITIAL_ENC1_VALUE);
// Encoder setup
enc[0].write(INITIAL_ENC_L_VALUE);
enc_val[0] = enc[0].read();
enc[1].write(INITIAL_ENC_R_VALUE);
enc_val[1] = enc[1].read();
but[0].update();
but[1].update();
// Debug output
Serial.println(F("MicroMDAEPiano based on https://sourceforge.net/projects/mda-vst")); Serial.println(F("MicroMDAEPiano based on https://sourceforge.net/projects/mda-vst"));
Serial.println(F("(c)2018 H. Wirtz <wirtz@parasitstudio.de>")); Serial.println(F("(c)2018 H. Wirtz <wirtz@parasitstudio.de>"));
Serial.println(F("https://about.teahub.io/dcoredump/MicroMDAEpiano")); Serial.println(F("https://codeberg.org/dcoredump/MicroMDAEpiano"));
Serial.print(F("Data in PROGMEM: ")); Serial.print(F("Data in PROGMEM: "));
Serial.print(sizeof(epianoDataXfade), DEC); Serial.print(sizeof(epianoDataXfade), DEC);
Serial.println(F(" bytes")); Serial.println(F(" bytes"));
Serial.println(); Serial.println();
Serial.println(F("<setup start>")); Serial.println(F("<setup start>"));
// create EPiano object
ep = new mdaEPiano(); ep = new mdaEPiano();
// read initial EEPROM variables
initial_values_from_eeprom(); initial_values_from_eeprom();
// start up USB host // start up USB host
#ifdef USE_ONBOARD_USB_HOST #ifdef MIDI_DEVICE_USB_HOST
usb_host.begin(); usb_host.begin();
Serial.println(F("USB-MIDI enabled.")); Serial.println(F("MIDI_DEVICE_USB_HOST enabled."));
#endif #endif
// check for onboard USB-MIDI // check for onboard USB-MIDI
#if defined(USBCON) #ifdef MIDI_DEVICE_USB
midi_onboard_usb.begin(); midi_onboard_usb.begin();
Serial.println(F("Onboard USB-MIDI enabled.")); Serial.println(F("MIDI_DEVICE_USB enabled."));
#endif #endif
#ifdef MIDI_DEVICE #ifdef MIDI_DEVICE_DIN
// Start serial MIDI // Start serial MIDI
midi_serial.begin(DEFAULT_MIDI_CHANNEL); midi_serial.begin(DEFAULT_MIDI_CHANNEL);
Serial.println(F("Serial MIDI enabled")); Serial.println(F("MIDI_DEVICE_DIN enabled"));
#endif #endif
// start audio card // start audio card
@ -198,12 +210,6 @@ void setup()
Serial.print(1000000 / (SAMPLE_RATE / AUDIO_BLOCK_SAMPLES)); Serial.print(1000000 / (SAMPLE_RATE / AUDIO_BLOCK_SAMPLES));
Serial.println(F("ms)")); Serial.println(F("ms)"));
#ifdef TEST_NOTE
Serial.println(F("MIDI test enabled"));
sched_note_on.begin(note_on, 2000000);
sched_note_off.begin(note_off, 6333333);
#endif
ep->setParameter(DECAY, 0.5); ep->setParameter(DECAY, 0.5);
ep->setParameter(RELEASE, 0.5); ep->setParameter(RELEASE, 0.5);
ep->setParameter(HARDNESS, 0.7); ep->setParameter(HARDNESS, 0.7);
@ -230,6 +236,11 @@ void setup()
#endif #endif
} }
//*************************************************************************************************
//* MAIN LOOP
//*************************************************************************************************
void loop() void loop()
{ {
int16_t* audio_buffer_r; // pointer to AUDIO_BLOCK_SAMPLES * sizeof(int16_t) int16_t* audio_buffer_r; // pointer to AUDIO_BLOCK_SAMPLES * sizeof(int16_t)
@ -293,66 +304,42 @@ void loop()
handle_input(); handle_input();
} }
//*************************************************************************************************
//* PROGRAM FUNCTIONS
//*************************************************************************************************
void handle_input(void) void handle_input(void)
{ {
#ifdef USE_ONBOARD_USB_HOST #ifdef MIDI_DEVICE_DIN
usb_host.Task(); while (midi_serial.read())
while (midi_usb.read())
{ {
#ifdef DEBUG #ifdef DEBUG
Serial.println(F("[MIDI-USB]")); Serial.println(F("[MIDI-Serial]"));
#endif #endif
/* if (midi_usb.getType() >= 0xf0) // SysEX queue_midi_event(midi_serial.getType(), midi_serial.getData1(), midi_serial.getData2());
{
handle_sysex_parameter(midi_usb.getSysExArray(), midi_usb.getSysExArrayLength());
}
else */ if (queue_midi_event(midi_usb.getType(), midi_usb.getData1(), midi_usb.getData2()))
return;
} }
#endif #endif
#ifdef MIDI_DEVICE #ifdef MIDI_DEVICE_USB_HOST
while (midi_serial.read()) usb_host.Task();
while (midi_usb.read())
{ {
#ifdef DEBUG #ifdef DEBUG
Serial.print(F("[MIDI-Serial] ")); Serial.println(F("[MIDI-USB-HOST]"));
#endif #endif
/* if (midi_serial.getType() >= 0xf0) // SYSEX queue_midi_event(midi_usb.getType(), midi_usb.getData1(), midi_usb.getData2());
{
handle_sysex_parameter(midi_serial.getSysExArray(), midi_serial.getSysExArrayLength());
}
else */ if (queue_midi_event(midi_serial.getType(), midi_serial.getData1(), midi_serial.getData2()))
return;
} }
#endif #endif
#ifdef MIDI_DEVICE_USB
int enc1_val = enc1.read(); while (midi_onboard_usb.read())
{
if (but1.update())
;
// place handling of encoder and showing values on lcd here
}
#ifdef DEBUG #ifdef DEBUG
#ifdef SHOW_MIDI_EVENT Serial.println(F("[MIDI-USB]"));
void print_midi_event(uint8_t type, uint8_t data1, uint8_t data2)
{
Serial.print(F("MIDI-Channel: "));
if (midi_channel == MIDI_CHANNEL_OMNI)
Serial.print(F("OMNI"));
else
Serial.print(midi_channel, DEC);
Serial.print(F(", MIDI event type: 0x"));
if (type < 16)
Serial.print(F("0"));
Serial.print(type, HEX);
Serial.print(F(", data1: "));
Serial.print(data1, DEC);
Serial.print(F(", data2: "));
Serial.println(data2, DEC);
}
#endif #endif
queue_midi_event(midi_onboard_usb.getType(), midi_onboard_usb.getData1(), midi_onboard_usb.getData2());
}
#endif #endif
}
bool queue_midi_event(uint8_t type, uint8_t data1, uint8_t data2) bool queue_midi_event(uint8_t type, uint8_t data1, uint8_t data2)
{ {
@ -432,6 +419,11 @@ void set_volume(float v, float vr, float vl)
#endif #endif
} }
//*************************************************************************************************
//* EEPROM FUNCTIONS
//*************************************************************************************************
void initial_values_from_eeprom(void) void initial_values_from_eeprom(void)
{ {
uint32_t crc_eeprom = read_eeprom_checksum(); uint32_t crc_eeprom = read_eeprom_checksum();
@ -506,6 +498,32 @@ uint32_t eeprom_crc32(uint16_t calc_start, uint16_t calc_bytes) // base code fro
return (crc); return (crc);
} }
//*************************************************************************************************
//* DEBUG FUNCTIONS
//*************************************************************************************************
#ifdef DEBUG
#ifdef SHOW_MIDI_EVENT
void print_midi_event(uint8_t type, uint8_t data1, uint8_t data2)
{
Serial.print(F("MIDI-Channel: "));
if (midi_channel == MIDI_CHANNEL_OMNI)
Serial.print(F("OMNI"));
else
Serial.print(midi_channel, DEC);
Serial.print(F(", MIDI event type: 0x"));
if (type < 16)
Serial.print(F("0"));
Serial.print(type, HEX);
Serial.print(F(", data1: "));
Serial.print(data1, DEC);
Serial.print(F(", data2: "));
Serial.println(data2, DEC);
}
#endif
#endif
#if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC) #if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
void show_cpu_and_mem_usage(void) void show_cpu_and_mem_usage(void)
{ {
@ -531,47 +549,3 @@ void show_cpu_and_mem_usage(void)
render_time_max = 0; render_time_max = 0;
} }
#endif #endif
#ifdef TEST_NOTE
void note_on(void)
{
randomSeed(analogRead(A0));
queue_midi_event(0x90, TEST_NOTE, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 1
queue_midi_event(0x90, TEST_NOTE + 5, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 2
queue_midi_event(0x90, TEST_NOTE + 8, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 3
queue_midi_event(0x90, TEST_NOTE + 12, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 4
queue_midi_event(0x90, TEST_NOTE + 17, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 5
queue_midi_event(0x90, TEST_NOTE + 20, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 6
queue_midi_event(0x90, TEST_NOTE + 24, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 7
queue_midi_event(0x90, TEST_NOTE + 29, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 8
queue_midi_event(0x90, TEST_NOTE + 32, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 9
queue_midi_event(0x90, TEST_NOTE + 37, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 10
queue_midi_event(0x90, TEST_NOTE + 40, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 11
queue_midi_event(0x90, TEST_NOTE + 46, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 12
queue_midi_event(0x90, TEST_NOTE + 49, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 13
queue_midi_event(0x90, TEST_NOTE + 52, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 14
queue_midi_event(0x90, TEST_NOTE + 57, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 15
queue_midi_event(0x90, TEST_NOTE + 60, random(TEST_VEL_MIN, TEST_VEL_MAX)); // 16
}
void note_off(void)
{
queue_midi_event(0x80, TEST_NOTE, 0); // 1
queue_midi_event(0x80, TEST_NOTE + 5, 0); // 2
queue_midi_event(0x80, TEST_NOTE + 8, 0); // 3
queue_midi_event(0x80, TEST_NOTE + 12, 0); // 4
queue_midi_event(0x80, TEST_NOTE + 17, 0); // 5
queue_midi_event(0x80, TEST_NOTE + 20, 0); // 6
queue_midi_event(0x80, TEST_NOTE + 24, 0); // 7
queue_midi_event(0x80, TEST_NOTE + 29, 0); // 8
queue_midi_event(0x80, TEST_NOTE + 32, 0); // 9
queue_midi_event(0x80, TEST_NOTE + 37, 0); // 10
queue_midi_event(0x80, TEST_NOTE + 40, 0); // 11
queue_midi_event(0x80, TEST_NOTE + 46, 0); // 12
queue_midi_event(0x80, TEST_NOTE + 49, 0); // 13
queue_midi_event(0x80, TEST_NOTE + 52, 0); // 14
queue_midi_event(0x80, TEST_NOTE + 57, 0); // 15
queue_midi_event(0x80, TEST_NOTE + 60, 0); // 16
}
#endif

100
config.h
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@ -20,57 +20,85 @@
along with this program; if not, write to the Free Software Foundation, along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#ifndef CONFIG_H_INCLUDED
#define CONFIG_H_INCLUDED
#include "midinotes.h" #include "midinotes.h"
// ATTENTION! For better latency you have to redefine AUDIO_BLOCK_SAMPLES from // ATTENTION! For better latency you have to redefine AUDIO_BLOCK_SAMPLES from
// 128 to 64 in <ARDUINO-IDE-DIR>/cores/teensy3/AudioStream.h // 128 to 64 in <ARDUINO-IDE-DIR>/cores/teensy3/AudioStream.h
// Initial values //*************************************************************************************************
#define MIDI_DEVICE Serial1 //* DEVICE SETTINGS
#define USE_ONBOARD_USB_HOST 1 //*************************************************************************************************
// MIDI
//#define MIDI_DEVICE_DIN Serial1
#define MIDI_DEVICE_USB 1
#define MIDI_DEVICE_USB_HOST 1
// AUDIO
//#define TEENSY_AUDIO_BOARD 1 //#define TEENSY_AUDIO_BOARD 1
#define VOLUME 0.8
//*************************************************************************************************
//* MIDI SETTINGS
//*************************************************************************************************
#define DEFAULT_MIDI_CHANNEL MIDI_CHANNEL_OMNI #define DEFAULT_MIDI_CHANNEL MIDI_CHANNEL_OMNI
#define MIDI_MERGE_THRU 1
//*************************************************************************************************
//* AUDIO SETTINGS
//*************************************************************************************************
#define VOLUME 0.8
#define AUDIO_MEM 128 #define AUDIO_MEM 128
#define SAMPLE_RATE 44100 #define SAMPLE_RATE 44100
#define REDUCE_LOUDNESS 1 #define REDUCE_LOUDNESS 1
#define USE_XFADE_DATA 1 #define USE_XFADE_DATA 1
#if !defined(__MK66FX1M0__) // check for Teensy-3.6
#undef USE_ONBOARD_USB_HOST
#define NVOICES 32
#else
#define NVOICES 64
#endif
#define USBCON 1 // enabling onboard MIDI via programing connector
#define MIDI_MERGE_THRU 1
//*************************************************************************************************
//* DEBUG OUTPUT SETTINGS
//*************************************************************************************************
// Debug output
#define SERIAL_SPEED 38400
#define DEBUG 1 #define DEBUG 1
#define SERIAL_SPEED 38400
//#define SHOW_MIDI_EVENT 1 //#define SHOW_MIDI_EVENT 1
#define SHOW_XRUN 1 #define SHOW_XRUN 1
#define SHOW_CPU_LOAD_MSEC 5000 #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 //* HARDWARE SETTINGS
#define TEST_VEL_MIN 60 //*************************************************************************************************
#define TEST_VEL_MAX 110
// Use these with the Teensy Audio Shield // Teensy Audio Shield:
//#define SDCARD_CS_PIN 10 //#define SDCARD_CS_PIN 10
//#define SDCARD_MOSI_PIN 7 //#define SDCARD_MOSI_PIN 7
//#define SDCARD_SCK_PIN 14 //#define SDCARD_SCK_PIN 14
// Use these with the Teensy 3.5 & 3.6 SD card // Teensy 3.5 & 3.6 SD card
#define SDCARD_CS_PIN BUILTIN_SDCARD #define SDCARD_CS_PIN BUILTIN_SDCARD
#define SDCARD_MOSI_PIN 11 // not actually used #define SDCARD_MOSI_PIN 11 // not actually used
#define SDCARD_SCK_PIN 13 // not actually used #define SDCARD_SCK_PIN 13 // not actually used
// Encoder with button // Encoder with button
#define ENC1_PIN_A 14 #define NUM_ENCODER 2
#define ENC1_PIN_B 15 #define ENC_L_PIN_A 3
#define BUT1_PIN 16 #define ENC_L_PIN_B 2
#define INITIAL_ENC1_VALUE 0 #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 // EEPROM address
#define EEPROM_OFFSET 0 #define EEPROM_OFFSET 0
@ -82,3 +110,27 @@
#define EEPROM_MASTER_VOLUME_ADDR 2 #define EEPROM_MASTER_VOLUME_ADDR 2
#define EEPROM_VOLUME_RIGHT_ADDR 3 #define EEPROM_VOLUME_RIGHT_ADDR 3
#define EEPROM_VOLUME_LEFT_ADDR 4 #define EEPROM_VOLUME_LEFT_ADDR 4
//*************************************************************************************************
//* DO NO CHANGE ANYTHING BEYOND IF YOU DON'T KNOW WHAT YOU ARE DOING !!!
//*************************************************************************************************
// 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
#endif

4
mdaEPiano.cpp
Unescape View File

@ -29,7 +29,6 @@
#include <stdio.h> #include <stdio.h>
#include <math.h> #include <math.h>
mdaEPiano::mdaEPiano() // mdaEPiano::mdaEPiano(audioMasterCallback audioMaster) : AudioEffectX(audioMaster, NPROGS, NPARAMS) mdaEPiano::mdaEPiano() // mdaEPiano::mdaEPiano(audioMasterCallback audioMaster) : AudioEffectX(audioMaster, NPROGS, NPARAMS)
{ {
Fs = SAMPLE_RATE; iFs = 1.0f / Fs; //just in case... Fs = SAMPLE_RATE; iFs = 1.0f / Fs; //just in case...
@ -144,12 +143,9 @@ void mdaEPiano::update() //parameter change
void mdaEPiano::resume() void mdaEPiano::resume()
{ {
//Fs = getSampleRate();
Fs = SAMPLE_RATE; Fs = SAMPLE_RATE;
iFs = 1.0f / Fs; iFs = 1.0f / Fs;
dlfo = 6.283f * iFs * (float)exp(6.22f * programs[curProgram].param[5] - 2.61f); //lfo rate dlfo = 6.283f * iFs * (float)exp(6.22f * programs[curProgram].param[5] - 2.61f); //lfo rate
//DECLARE_VST_DEPRECATED (wantEvents) ();
} }

10
mdaEPiano.h
Unescape View File

@ -72,10 +72,10 @@ struct KGRP //keygroup
int32_t loop; int32_t loop;
}; };
class mdaEPiano //: public AudioEffectX class mdaEPiano
{ {
public: public:
mdaEPiano(); // mdaEPiano(audioMasterCallback audioMaster); mdaEPiano();
~mdaEPiano(); ~mdaEPiano();
virtual void process(int16_t *outputs_r, int16_t *outputs_l); virtual void process(int16_t *outputs_r, int16_t *outputs_l);
@ -93,14 +93,10 @@ class mdaEPiano //: public AudioEffectX
void noteOn(int32_t note, int32_t velocity); void noteOn(int32_t note, int32_t velocity);
void fillpatch(int32_t p, char *name, float p0, float p1, float p2, float p3, float p4, void fillpatch(int32_t p, char *name, float p0, float p1, float p2, float p3, float p4,
float p5, float p6, float p7, float p8, float p9, float p10, float p11); float p5, float p6, float p7, float p8, float p9, float p10, float p11);
mdaEPianoProgram* programs; mdaEPianoProgram* programs;
float Fs, iFs; float Fs, iFs;
#define EVENTBUFFER 120
#define EVENTS_DONE 99999999
int32_t notes[EVENTBUFFER + 8]; //list of delta|note|velocity for current block
///global internal variables ///global internal variables
KGRP kgrp[34]; KGRP kgrp[34];
VOICE voice[NVOICES]; VOICE voice[NVOICES];

4
mdaEPianoData.h
Unescape View File

@ -19,6 +19,9 @@
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#ifndef MDAEPIANODATA_H_INCLUDED
#define MDAEPIANODATA_H_INCLUDED
#ifndef USE_XFADE_DATA #ifndef USE_XFADE_DATA
#include <Arduino.h> #include <Arduino.h>
@ -21146,3 +21149,4 @@ const int16_t epianoData[] PROGMEM = {
-4377,-2810,-829,1280,3190,4588,5216,4960,3821,0,1,1,0,-1,0,0,0,0 -4377,-2810,-829,1280,3190,4588,5216,4960,3821,0,1,1,0,-1,0,0,0,0
}; };
#endif #endif
#endif

4
mdaEPianoDataXfade.h
Unescape View File

@ -21,6 +21,9 @@
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#ifndef MDAEPIANODATA_H_INCLUDED
#define MDAEPIANODATA_H_INCLUDED
#ifdef USE_XFADE_DATA #ifdef USE_XFADE_DATA
#include <Arduino.h> #include <Arduino.h>
@ -21148,3 +21151,4 @@ const int16_t epianoDataXfade[] PROGMEM = {
-4377,-2810,-829,1280,3190,4588,5216,4960,3821,0,1,1,0,-1,0,0,0,0, -4377,-2810,-829,1280,3190,4588,5216,4960,3821,0,1,1,0,-1,0,0,0,0,
}; };
#endif #endif
#endif

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