Small fixes and debug output.

MicroDexed.ino

@@ -83,7 +83,7 @@ void setup()
   AudioMemoryUsageMaxReset();
 #endif
 
-  load_sysex("ROM1A.SYX", 10);
+  load_sysex("ROM1A.SYX", 17);
 #ifdef DEBUG
   show_patch();
 #endif
@@ -134,13 +134,13 @@ void loop()
     {
       Serial.println(F("audio_buffer allocation problems!"));
     }
-
     while (usbMIDI.read())
     {
       break_for_calculation = dexed->processMidiMessage(usbMIDI.getType(), usbMIDI.getData1(), usbMIDI.getData2());
       if (break_for_calculation == true)
         break;
     }
+
     if (!break_for_calculation)
     {
       while (MIDI.read())
@@ -157,7 +157,10 @@ void loop()
 #if defined(SHOW_DEXED_TIMING) || defined(SHOW_XRUN)
     elapsedMicros t1;
 #endif
+    Serial.println("1");
     dexed->getSamples(AUDIO_BLOCK_SAMPLES, audio_buffer);
+    Serial.println("2");
+
 #ifdef SHOW_XRUN
     uint32_t t2 = t1;
     if (t2 > 2900) // everything greater 2.9ms is a buffer underrun!
@@ -216,6 +219,14 @@ void note_off(void)
 
 bool queue_midi_event(uint8_t type, uint8_t data1, uint8_t data2)
 {
+#ifdef SHOW_MIDI_EVENT
+  Serial.print("MIDI event type: ");
+  Serial.print(type, DEC);
+  Serial.print(" data1: ");
+  Serial.print(data1, DEC);
+  Serial.print(" data2: ");
+  Serial.println(data2, DEC);
+#endif
   return (dexed->processMidiMessage(type, data1, data2));
 }
 

config.h

@@ -16,6 +16,7 @@
 #define SAMPLE_RATE 44100
 #define DEXED_ENGINE DEXED_ENGINE_MODERN
 //#define SHOW_DEXED_TIMING 1
+#define SHOW_MIDI_EVENT 1
 #define SHOW_XRUN 1
 #define SHOW_CPU_LOAD_MSEC 5000
 #define MAX_NOTES 16

dexed.cpp

@@ -1,26 +1,26 @@
 /*
- * 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
- * 
- * (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
- *
- */
+   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
+
+   (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 "synth.h"
 #include "dexed.h"
@@ -155,6 +155,14 @@ void Dexed::getSamples(uint16_t n_samples, int16_t* buffer)
 
 bool Dexed::processMidiMessage(uint8_t type, uint8_t data1, uint8_t data2)
 {
+#ifdef SHOW_MIDI_EVENT
+  Serial.print("MIDI event type: ");
+  Serial.print(type, DEC);
+  Serial.print(" data1: ");
+  Serial.print(data1, DEC);
+  Serial.print(" data2: ");
+  Serial.println(data2, DEC);
+#endif
   switch (type & 0xf0) {
     case 0x80 :
       keyup(data1);