Midi bank up and down question

Using Arduino Audio
1

Hi all,

Can anyone recommend a tutorial on midi up and down bank button or similar.

I have searched for the last couple of days but there seams to be very little out there and some of the examples i have don,t work very well.

iIam quite new to this, and i would like to learn the concept. I have recently learn,t how to assign and turn on and off ccs with a button press also change program number and set up a lcd.

what i would like to do is when the bank up button is pressed it moves the current program up by 4 and when the bank down is pressed it moves it down by 4 from its current program.

Thanks

2

Can anyone recommend a tutorial on midi up and down bank button or similar...

....what i would like to do is when the bank up button is pressed it moves the current program up by 4 and when the bank down is pressed it moves it down by 4 from its current program.

I don't know what that means.... But, if you can send MIDI messages what's the problem?

3

Hi

I can send midi messages but, what i want to do is when the bankup button is pressed it moves the program change by 4 so if you are on program 1 and you press the bankup button it moves it to program 5

4

Arduino IDE File -> Examples -> 02.Digital -> State change detection
Is what you want to look at. On each state change add 4 to a program variable and send it as part of the program change MIDI message. You need to look at both your buttons.

5

Thanks Mike

6

Hi,

I can't get this to change at all if i put a + in front of the current program it changes is it by 5 and doesnt go up any further not sure where the +4 goes. i thought i would get one button working first then get the down button working.

#include <MIDI.h>
#include <midi_Defs.h>
#include <midi_Message.h>
#include <midi_Namespace.h>
#include <midi_Settings.h>

/*
 

 The circuit:
 * pushbutton attached to pin 2 from +5V
 * 10K resistor attached to pin 2 from ground
 * LED attached from pin 13 to ground (or use the built-in LED on
   most Arduino boards)

 
 */

// this constant won't change:
const int  buttonPin = 2;    // the pin that the pushbutton is attached to
const int ledPin = 13;       // the pin that the LED is attached to

// Variables will change:
int bankup = 0;   // counter for the number of button presses
int buttonState = 0;         // current state of the button
int lastButtonState = 0;     // previous state of the button
int currentprog = 0;

MIDI_CREATE_DEFAULT_INSTANCE();


void setup() {
  // initialize the button pin as a input:
  pinMode(buttonPin, INPUT);
  // initialize the LED as an output:
  pinMode(ledPin, OUTPUT);
  // initialize serial communication:
  
  MIDI.begin();
 MIDI.setInputChannel(1);
}


void loop() {
  // read the pushbutton input pin:
  buttonState = digitalRead(buttonPin);

  // compare the buttonState to its previous state
  if (buttonState != lastButtonState) {
    // if the state has changed, increment the counter
    if (buttonState == HIGH) {
      // if the current state is HIGH then the button
      // wend from off to on:
      bankup++;
     if(bankup > 127) bankup = 0;
     MIDI.sendProgramChange(currentprog+4, 1);
     
    }
    else {
      digitalWrite(ledPin, LOW);
    }
    // Delay a little bit to avoid bouncing
    delay(20);
  }
  // save the current state as the last state,
  //for next time through the loop
  lastButtonState = buttonState;

 
}
7

Use bankup += 5 not bankup ++

8

Thanks mike for the help.