Added I2rCS LCD library.

Added parts of additional MIDI ports - not readyyet.

LiquidCrystalPlus_I2C.h

@@ -0,0 +1,88 @@
+/*
+   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 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 <LiquidCrystal_I2C.h> // https://www.arduinolibraries.info/libraries/liquid-crystal-i2-c
+
+#ifndef LIQUIDCRYSTALPLUS_I2C_H_INCLUDED
+#define LIQUIDCRYSTALPLUS_I2C_H_INCLUDED
+
+#define STRING_BUF_SIZE 21
+
+class LiquidCrystalPlus_I2C : public LiquidCrystal_I2C
+{
+  public:
+
+    using LiquidCrystal_I2C::LiquidCrystal_I2C;
+
+    void show(uint8_t y, uint8_t x, uint8_t fs, char *str)
+    {
+      _show(y, x, fs, str, false, false);
+    }
+
+    void show(uint8_t y, uint8_t x, uint8_t fs, long num)
+    {
+      char _buf10[STRING_BUF_SIZE];
+
+      _show(y, x, fs, itoa(num, _buf10, 10), true, true);
+    }
+
+  private:
+    void _show(uint8_t pos_y, uint8_t pos_x, uint8_t field_size, char *str, bool justify_right, bool fill_zero)
+    {
+      {
+        char tmp[STRING_BUF_SIZE];
+        char *s = tmp;
+        uint8_t l = strlen(str);
+
+        memset(tmp, 0, sizeof(tmp));
+        if (fill_zero == true)
+          memset(tmp, '0', field_size);
+        else
+          memset(tmp, 0x20, field_size - 1); // blank
+
+        if (l > field_size)
+          l = field_size;
+
+        if (justify_right == true)
+          s += field_size - l;
+
+        strncpy(s, str, l);
+
+        setCursor(pos_x, pos_y);
+        print(tmp);
+
+#ifdef DEBUG
+        Serial.print(pos_y, DEC);
+        Serial.print(F("/"));
+        Serial.print(pos_x, DEC);
+        Serial.print(F(": ["));
+        Serial.print(tmp);
+        Serial.println(F("]"));
+#endif
+      }
+    }
+};
+
+#endif

MicroMDAPiano.ino

@@ -1,3 +1,28 @@
+/*
+   MicroMDAEPiano
+   
+   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 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 "config.h"
 #include <Audio.h>
 #include <Wire.h>
 #include <SPI.h>
@@ -7,14 +32,16 @@
 #include <limits.h>
 #include "mdaEPiano.h"
 #include "mdaEPianoData.h"
-#include "config.h"
+#if defined(USBCON)
+#include <midi_UsbTransport.h>
+#endif
 #ifdef USE_ONBOARD_USB_HOST
 #include <USBHost_t36.h>
 #endif
 #ifndef MASTER_KEY_MIDI // selecting sounds by encoder, button and display
 #include <Bounce.h>
 #include <Encoder.h>
-#include <LiquidCrystalPlus_I2C.h>
+#include "LiquidCrystalPlus_I2C.h"
 #endif
 
 #ifndef MASTER_KEY_MIDI
@@ -82,6 +109,12 @@ MIDI_CREATE_INSTANCE(HardwareSerial, MIDI_DEVICE, midi_serial);
 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;
@@ -102,8 +135,8 @@ void setup()
   lcd.noAutoscroll();
   lcd.clear();
   lcd.display();
-  lcd.show(0, 0, 20, "MicroDexed");
+  lcd.show(0, 0, 20, "MicroMDAEPiano");
-
+  lcd.show(1, 0, 16, "(c)parasiTstudio");
   enc1.write(INITIAL_ENC1_VALUE);
 #endif
 
@@ -123,11 +156,19 @@ void setup()
   // start up USB host
 #ifdef USE_ONBOARD_USB_HOST
   usb_host.begin();
+  Serial.println(F("USB-MIDI enabled."));
+#endif
+
+  // check for onboard USB-MIDI
+#if defined(USBCON)
+  midi_onboard_usb.begin();
+  Serial.println(F("Onboard USB-MIDI enabled."));
 #endif
 
 #ifdef MIDI_DEVICE
   // Start serial MIDI
   midi_serial.begin(DEFAULT_MIDI_CHANNEL);
+  Serial.println(F("Serial MIDI enabled"));
 #endif
 
   // start audio card

config.h

@@ -44,9 +44,11 @@
 #else
 #define NVOICES 16        // Yes
 #endif
+#define USBCON 1  // enabling onboard MIDI via programing connector
+#define MIDI_MERGE_THRU 1
 
 // Master key handling (comment for disabling)
-#define MASTER_KEY_MIDI MIDI_C7
+//#define MASTER_KEY_MIDI MIDI_C7
 #define MASTER_NUM1 MIDI_C2
 
 // Debug output