PianoDuino (Arduino + Processing + SoundCipher)

PianoDuino é um experimento simples que integra Arduino, Processing e uma biblioteca para manipular sons, a SoundCipher. A idéia serviu para experimentar o Multiplexador / Demultiplexador 4051.

PianoDuino (Arduino + Processing + SoundCipher) from Bruno Soares on Vimeo.

Arduino:

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/**
 * PianoDuino
 *
 * @author   Bruno Soares
 * @link     http://www.bsoares.com.br
 * @language Arduino / C++
 */

#define PIN_SELECTOR0 2
#define PIN_SELECTOR1 3
#define PIN_SELECTOR2 4

int value;
int count;

// Selectors
byte s0;
byte s1;
byte s2;

void setup()
{
  Serial.begin(9600);
 
  pinMode(PIN_SELECTOR0, OUTPUT);
  pinMode(PIN_SELECTOR1, OUTPUT);
  pinMode(PIN_SELECTOR2, OUTPUT);
}

void loop()
{
  for (count = 0; count < 8; count++)
  {
    // Extract active bits
    s0 =  count       & 0x1;
    s1 = (count >> 1) & 0x1;
    s2 = (count >> 2) & 0x1;
   
    // Select input
    digitalWrite(2, s0);
    digitalWrite(3, s1);
    digitalWrite(4, s2);
   
    // Read input selected
    value = analogRead(0);
    if (value > 5)
    {
      Serial.print(count);
      while(analogRead(0) > 5);
    }
  }
}

Processing:

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/**
 * PianoDuino
 *
 * @author   Bruno Soares
 * @link     http://www.bsoares.com.br
 * @language Processing
 */

import arb.soundcipher.*;
import processing.serial.*;

SoundCipher[] sc = new SoundCipher[8];
Serial port;
int portValue = 0;

void setup()
{
  for (int i = 0; i < sc.length; i++)
  {
    sc[i] = new SoundCipher(this);
  }
 
  println(Serial.list());
  port = new Serial(this, Serial.list()[1], 14400);
}

void draw()
{
  while (port.available() > 0) {
    portValue = int(port.readString().substring(0, 1));
    print(portValue);
    sc[portValue].playNote(80 - (portValue * 7), 100, 2.5);
  }
}

Baixe o código fonte completo aqui.

 


 

Conteúdo relacionado:
Fotos no Flickr
Arduino
Processing
SoundCipher
Analog multiplexer / demultiplexer 4051


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This entry was posted on sábado, maio 30th, 2009 at 15:17 and is filed under Arduino, C++, Electronics, Processing. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

  1. leigo disse:
    09/08/2009 às 08:16

    Será que tem como disponibilizar o esquema de ligações?
    valeu pelo projecto,,, esta muito bom mesmo.

    Responder
  2. Bruno Soares disse:
    09/08/2009 às 20:15

    Pô vai dar um trampinho fazer este esquema, mas faz assim, se você entender como funciona o Mux/Demux 4051 (http://www.arduino.cc/playground/Learning/4051) você mata a solução do esquema.

    Boa sote, é facinho ;)

    Responder
  3. gamesh_ disse:
    27/11/2009 às 19:44

    gostei muito dos projetos principalmento com arduino pretendo testar.

    Responder
  4. AmeliA disse:
    07/03/2010 às 01:04

    Hi Bruno Soares, thanks for sharing this, I hope you understand my English, I used google translate to read you blog. I’m a student trying to implement part of this to my project.

    I’ve been trying out your example, after I survive the wiring, installation of program, I had problem testing the switches. I’m using usb serial port (com3), then run the arduino program and uploaded the program, and when i run processing, only a note is played. I press the button on arduino itself, the note play again but when I press the switches (on breadboard) no sound. I was hoping you could give a hint or guide as to what the problem might be :)

    Responder
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