Using alternative for USBMIDI.

Using Arduino Audio
1

How does one establish an alternative default serial interface for either of pieterp’s midi controllers, Control-Surface or MIDI Controller. I am using a teensy 3.2 and a VS1053 breakout for a MIDI device. The VS1053 works with SoftwareSerial transmitting on digital pin2. The line of code in the test program for the VS1053 instantiates the interface with:

SoftwareSerial VS1053_MIDI(0, 2);

Below is the code from Control-Surface for CCPotentiometer. How might I replace line 16," USBMIDI_Interface midi; " so that I can send serial MIDI and print to the serial monitor to see what’s going on.

   * @brief   This is an example of the `CCPotentiometer` class of the 
   *          Control_Surface library.
   * 
   * Connect a potentiometer to analog pin A0. This will be the MIDI channel volume of channel 1.  
   * Map it in your DAW or DJ software.
   * 
   * Written by Pieter P, 28-08-2018  
   * https://github.com/tttapa/Control-Surface
   */
  
  // Include the Control Surface library
  #include <Control_Surface.h>
  
  // Instantiate a MIDI over USB interface.
  USBMIDI_Interface midi; 
  
  // Create a new instance of the class `CCPotentiometer`, called `potentiometer`,
  // on pin A0, that sends MIDI messages with controller 7 (channel volume)
  // on channel 1.
  CCPotentiometer potentiometer(A0, {MIDI_CC::Channel_Volume, CHANNEL_1});
  
  void setup() {
      // Initialize everything
      Control_Surface.begin();
  }
  
  void loop() {
      // Update the Control Surface (check whether the potentiometer's
      // input has changed since last time, if so, send the new value over MIDI).
      Control_Surface.loop();
  }
2

I am using a teensy 3.2

Use Serial.print for your debugging.
As the teensy looks like a USB MIDI device it can also look like a normal serial port. You might have to set a menu option in the IDE to say you want it to look like a serial port as well as a MIDI device.

3

Use SoftwareSerialMIDI_Interface and USBDebugMIDI_Interface instead.

List of all MIDI interfaces.

Try to avoid using SoftwareSerial. The Teensy has plenty of hardware serial ports, so SoftwareSerial is just wasting resources.

Pieter

4

Many thanks to Grumpy and pieterp, I'll get to trying those suggestions. I am sure to be back with more questions.

Iko

5

Here's an example that uses the debugging interface: