musiquemeuble
Active member
Hello guys !
I'm building a simple device with buttons that triggers Midi notes.
I want to add an action to my code : when you press 2 buttons simultaneously, an other note is played. Do you know how to do that ?
Thanks guys !
I'm building a simple device with buttons that triggers Midi notes.
I want to add an action to my code : when you press 2 buttons simultaneously, an other note is played. Do you know how to do that ?
Thanks guys !
Code:
/* Buttons to USB MIDI Example
You must select MIDI from the "Tools > USB Type" menu
To view the raw MIDI data on Linux: aseqdump -p "Teensy MIDI"
This example code is in the public domain.
*/
#include <Bounce.h>
// the MIDI channel number to send messages
const int channel1 = 1;
// Create Bounce objects for each button. The Bounce object
// automatically deals with contact chatter or "bounce", and
// it makes detecting changes very simple.
Bounce button0 = Bounce(0, 5);
Bounce button1 = Bounce(1, 5); // 5 = 5 ms debounce time
Bounce button2 = Bounce(2, 5); // which is appropriate for good
Bounce button3 = Bounce(3, 5); // quality mechanical pushbuttons
Bounce button4 = Bounce(4, 5);
Bounce button5 = Bounce(5, 5); // if a button is too "sensitive"
Bounce button6 = Bounce(6, 5); // to rapid touch, you can
Bounce button7 = Bounce(7, 5); // increase this time.
Bounce button8 = Bounce(8, 5);
Bounce button9 = Bounce(9, 5);
Bounce button10 = Bounce(10, 5);
Bounce button11 = Bounce(11, 5);
Bounce button12 = Bounce(12, 5);
Bounce button13 = Bounce(24, 5); // 5 = 5 ms debounce time
Bounce button14 = Bounce(25, 5); // which is appropriate for good
Bounce button15 = Bounce(26, 5); // quality mechanical pushbuttons
Bounce button16 = Bounce(27, 5);
Bounce button17 = Bounce(28, 5); // if a button is too "sensitive"
Bounce button18 = Bounce(29, 5); // to rapid touch, you can
Bounce button19 = Bounce(30, 5); // increase this time.
Bounce button20 = Bounce(31, 5);
Bounce button21 = Bounce(32, 5);
Bounce button22 = Bounce(33, 5);
Bounce button23 = Bounce(34, 5);
Bounce button24 = Bounce(35, 5);
Bounce button25 = Bounce(36, 5); // 5 = 5 ms debounce time
Bounce button26 = Bounce(37, 5); // which is appropriate for good
Bounce button27 = Bounce(38, 5); // quality mechanical pushbuttons
Bounce button28 = Bounce(39, 5);
Bounce button29 = Bounce(22, 5);
Bounce button30 = Bounce(23, 5); // if a button is too "sensitive"
Bounce button31 = Bounce(24, 5); // to rapid touch, you can
Bounce button32 = Bounce(14, 5);
Bounce button33 = Bounce(15, 5);
Bounce button34 = Bounce(16, 5);
Bounce button35 = Bounce(17, 5);
Bounce button36 = Bounce(18, 5);
Bounce button37 = Bounce(19, 5); // 5 = 5 ms debounce time
Bounce button38 = Bounce(20, 5); // which is appropriate for good
Bounce button39 = Bounce(21, 5); // quality mechanical pushbuttons
void setup() {
// Configure the pins for input mode with pullup resistors.
// The pushbuttons connect from each pin to ground. When
// the button is pressed, the pin reads LOW because the button
// shorts it to ground. When released, the pin reads HIGH
// because the pullup resistor connects to +5 volts inside
// the chip. LOW for "on", and HIGH for "off" may seem
// backwards, but using the on-chip pullup resistors is very
// convenient. The scheme is called "active low", and it's
// very commonly used in electronics... so much that the chip
// has built-in pullup resistors!
pinMode(0, INPUT_PULLUP);
pinMode(1, INPUT_PULLUP);
pinMode(2, INPUT_PULLUP);
pinMode(3, INPUT_PULLUP);
pinMode(4, INPUT_PULLUP);
pinMode(5, INPUT_PULLUP);
pinMode(6, INPUT_PULLUP); // Teensy++ 2.0 LED, may need 1k resistor pullup
pinMode(7, INPUT_PULLUP);
pinMode(8, INPUT_PULLUP);
pinMode(9, INPUT_PULLUP);
pinMode(10, INPUT_PULLUP);
pinMode(11, INPUT_PULLUP); // Teensy 2.0 LED, may need 1k resistor pullup
pinMode(12, INPUT_PULLUP);
pinMode(24, INPUT_PULLUP);
pinMode(25, INPUT_PULLUP);
pinMode(26, INPUT_PULLUP);
pinMode(27, INPUT_PULLUP);
pinMode(28, INPUT_PULLUP);
pinMode(29, INPUT_PULLUP); // Teensy++ 2.0 LED, may need 1k resistor pullup
pinMode(30, INPUT_PULLUP);
pinMode(31, INPUT_PULLUP);
pinMode(32, INPUT_PULLUP);
pinMode(33, INPUT_PULLUP);
pinMode(34, INPUT_PULLUP); // Teensy 2.0 LED, may need 1k resistor pullup
pinMode(35, INPUT_PULLUP);
pinMode(36, INPUT_PULLUP);
pinMode(37, INPUT_PULLUP);
pinMode(38, INPUT_PULLUP);
pinMode(39, INPUT_PULLUP);
// pinMode(A21, INPUT_PULLUP);
// pinMode(A22, INPUT_PULLUP); // Teensy++ 2.0 LED, may need 1k resistor pullup
// pinMode(13, INPUT_PULLUP);
pinMode(14, INPUT_PULLUP);
pinMode(15, INPUT_PULLUP);
pinMode(16, INPUT_PULLUP);
pinMode(17, INPUT_PULLUP); // Teensy 2.0 LED, may need 1k resistor pullup
pinMode(18, INPUT_PULLUP);
pinMode(19, INPUT_PULLUP);
pinMode(20, INPUT_PULLUP);
pinMode(21, INPUT_PULLUP);
pinMode(22, INPUT_PULLUP);
pinMode(23, INPUT_PULLUP);
}
void loop() {
// Update all the buttons. There should not be any long
// delays in loop(), so this runs repetitively at a rate
// faster than the buttons could be pressed and released.
button0.update();
button1.update();
button2.update();
button3.update();
button4.update();
button5.update();
button6.update();
button7.update();
button8.update();
button9.update();
button10.update();
button11.update();
button12.update();
button13.update();
button14.update();
button15.update();
button16.update();
button17.update();
button18.update();
button19.update();
button20.update();
button21.update();
button22.update();
button23.update();
button24.update();
button25.update();
button26.update();
button27.update();
button28.update();
button29.update();
button30.update();
button31.update();
button32.update();
button33.update();
button34.update();
button35.update();
button36.update();
button37.update();
button38.update();
button39.update();
// Check each button for "falling" edge.
// Send a MIDI Note On message when each button presses
// Update the Joystick buttons only upon changes.
// falling = high (not pressed - voltage from pullup resistor)
// to low (pressed - button connects pin to ground)
if (button0.fallingEdge()) {
usbMIDI.sendNoteOn(48, 127, channel1); // C2
}
if (button1.fallingEdge()) {
usbMIDI.sendNoteOn(49, 127, channel1); // C#2
}
if (button2.fallingEdge()) {
usbMIDI.sendNoteOn(50, 127, channel1); // D2
}
if (button3.fallingEdge()) {
usbMIDI.sendNoteOn(51, 127, channel1); // D#2
}
if (button4.fallingEdge()) {
usbMIDI.sendNoteOn(52, 127, channel1); // E2
}
if (button5.fallingEdge()) {
usbMIDI.sendNoteOn(53, 127, channel1); // F2
}
if (button6.fallingEdge()) {
usbMIDI.sendNoteOn(54, 127, channel1); // F#2
}
if (button7.fallingEdge()) {
usbMIDI.sendNoteOn(55, 127, channel1); // G2
}
if (button8.fallingEdge()) {
usbMIDI.sendNoteOn(56, 127, channel1); // G#2
}
if (button9.fallingEdge()) {
usbMIDI.sendNoteOn(57, 127, channel1); // A2
}
if (button10.fallingEdge()) {
usbMIDI.sendNoteOn(58, 127, channel1); // A#2
}
if (button11.fallingEdge()) {
usbMIDI.sendNoteOn(59, 127, channel1); // B2
}
if (button12.fallingEdge()) {
usbMIDI.sendNoteOn(60, 127, channel1); // C3
}
if (button13.fallingEdge()) {
usbMIDI.sendNoteOn(61, 127, channel1); // C#3
}
if (button14.fallingEdge()) {
usbMIDI.sendNoteOn(62, 127, channel1); // D3
}
if (button15.fallingEdge()) {
usbMIDI.sendNoteOn(63, 127, channel1); // D#3
}
if (button16.fallingEdge()) {
usbMIDI.sendNoteOn(64, 127, channel1); // E3
}
if (button17.fallingEdge()) {
usbMIDI.sendNoteOn(65, 127, channel1); // F3
}
if (button18.fallingEdge()) {
usbMIDI.sendNoteOn(66, 127, channel1); // F#3
}
if (button19.fallingEdge()) {
usbMIDI.sendNoteOn(67, 127, channel1); // G3
}
if (button20.fallingEdge()) {
usbMIDI.sendNoteOn(68, 127, channel1); // G#3
}
if (button21.fallingEdge()) {
usbMIDI.sendNoteOn(69, 127, channel1); // A3
}
if (button22.fallingEdge()) {
usbMIDI.sendNoteOn(70, 127, channel1); // A#3
}
if (button23.fallingEdge()) {
usbMIDI.sendNoteOn(71, 127, channel1); // B3
}
if (button24.fallingEdge()) {
usbMIDI.sendNoteOn(72, 127, channel1); // C4
}
if (button25.fallingEdge()) {
usbMIDI.sendNoteOn(73, 127, channel1); // C#4
}
if (button26.fallingEdge()) {
usbMIDI.sendNoteOn(74, 127, channel1); // D4
}
if (button27.fallingEdge()) {
usbMIDI.sendNoteOn(75, 127, channel1); // D#4
}
if (button28.fallingEdge()) {
usbMIDI.sendNoteOn(76, 127, channel1); // E4
}
if (button39.fallingEdge()) {
usbMIDI.sendNoteOn(77, 127, channel1); // D#5
}
if (button29.fallingEdge()) {
usbMIDI.sendNoteOn(78, 127, channel1); // E5
}
if (button30.fallingEdge()) {
usbMIDI.sendNoteOn(79, 127, channel1); // F5
}
if (button32.fallingEdge()) {
usbMIDI.sendNoteOn(80, 127, channel1); // G#4
}
if (button33.fallingEdge()) {
usbMIDI.sendNoteOn(81, 127, channel1); // A4
}
if (button34.fallingEdge()) {
usbMIDI.sendNoteOn(82, 127, channel1); // A#5
}
if (button35.fallingEdge()) {
usbMIDI.sendNoteOn(83, 127, channel1); // B5
}
if (button36.fallingEdge()) {
usbMIDI.sendNoteOn(84, 127, channel1); // C5
}
if (button37.fallingEdge()) {
usbMIDI.sendNoteOn(85, 127, channel1); // C#5
}
if (button38.fallingEdge()) {
usbMIDI.sendNoteOn(86, 127, channel1); // D5
}
// Check each button for "rising" edge
// Send a MIDI Note Off message when each button releases
// For many types of projects, you only care when the button
// is pressed and the release isn't needed.
// rising = low (pressed - button connects pin to ground)
// to high (not pressed - voltage from pullup resistor)
if (button0.risingEdge()) {
usbMIDI.sendNoteOff(48, 0, channel1);
}
if (button1.risingEdge()) {
usbMIDI.sendNoteOff(49, 0, channel1);
}
if (button2.risingEdge()) {
usbMIDI.sendNoteOff(50, 0, channel1);
}
if (button3.risingEdge()) {
usbMIDI.sendNoteOff(51, 0, channel1);
}
if (button4.risingEdge()) {
usbMIDI.sendNoteOff(52, 0, channel1);
}
if (button5.risingEdge()) {
usbMIDI.sendNoteOff(53, 0, channel1);
}
if (button6.risingEdge()) {
usbMIDI.sendNoteOff(54, 0, channel1);
}
if (button7.risingEdge()) {
usbMIDI.sendNoteOff(55, 0, channel1);
}
if (button8.risingEdge()) {
usbMIDI.sendNoteOff(56, 0, channel1);
}
if (button9.risingEdge()) {
usbMIDI.sendNoteOff(57, 0, channel1);
}
if (button10.risingEdge()) {
usbMIDI.sendNoteOff(58, 0, channel1);
}
if (button11.risingEdge()) {
usbMIDI.sendNoteOff(59, 0, channel1);
}
if (button12.risingEdge()) {
usbMIDI.sendNoteOff(60, 0, channel1);
}
if (button13.risingEdge()) {
usbMIDI.sendNoteOff(61, 0, channel1);
}
if (button14.risingEdge()) {
usbMIDI.sendNoteOff(62, 0, channel1);
}
if (button15.risingEdge()) {
usbMIDI.sendNoteOff(63, 0, channel1);
}
if (button16.risingEdge()) {
usbMIDI.sendNoteOff(64, 0, channel1);
}
if (button17.risingEdge()) {
usbMIDI.sendNoteOff(65, 0, channel1);
}
if (button18.risingEdge()) {
usbMIDI.sendNoteOff(66, 0, channel1);
}
if (button19.risingEdge()) {
usbMIDI.sendNoteOff(67, 0, channel1);
}
if (button20.risingEdge()) {
usbMIDI.sendNoteOff(68, 0, channel1);
}
if (button21.risingEdge()) {
usbMIDI.sendNoteOff(69, 0, channel1);
}
if (button22.risingEdge()) {
usbMIDI.sendNoteOff(70, 0, channel1);
}
if (button23.risingEdge()) {
usbMIDI.sendNoteOff(71, 0, channel1);
}
if (button24.risingEdge()) {
usbMIDI.sendNoteOff(72, 0, channel1);
}
if (button25.risingEdge()) {
usbMIDI.sendNoteOff(73, 0, channel1);
}
if (button26.risingEdge()) {
usbMIDI.sendNoteOff(74, 0, channel1);
}
if (button27.risingEdge()) {
usbMIDI.sendNoteOff(75, 0, channel1);
}
if (button28.risingEdge()) {
usbMIDI.sendNoteOff(76, 0, channel1);
}
if (button39.risingEdge()) {
usbMIDI.sendNoteOff(77, 0, channel1);
}
if (button29.risingEdge()) {
usbMIDI.sendNoteOff(78, 0, channel1);
}
if (button30.risingEdge()) {
usbMIDI.sendNoteOff(79, 0, channel1);
}
if (button32.risingEdge()) {
usbMIDI.sendNoteOff(80, 0, channel1);
}
if (button33.risingEdge()) {
usbMIDI.sendNoteOff(81, 0, channel1);
}
if (button34.risingEdge()) {
usbMIDI.sendNoteOff(82, 0, channel1);
}
if (button35.risingEdge()) {
usbMIDI.sendNoteOff(83, 0, channel1);
}
if (button36.risingEdge()) {
usbMIDI.sendNoteOff(84, 0, channel1);
}
if (button37.risingEdge()) {
usbMIDI.sendNoteOff(85, 0, channel1);
}
if (button38.risingEdge()) {
usbMIDI.sendNoteOff(86, 0, channel1);
}
}