gistfile1.txt

/*************************************************** 
  This is an example for the Adafruit VS1053 Codec Breakout

  Designed specifically to work with the Adafruit VS1053 Codec Breakout 
  ----> https://www.adafruit.com/products/1381

  Adafruit invests time and resources providing this open source code, 
  please support Adafruit and open-source hardware by purchasing 
  products from Adafruit!

  Written by Limor Fried/Ladyada for Adafruit Industries.  
  BSD license, all text above must be included in any redistribution
 ****************************************************/

// include SPI, MP3 and SD libraries
#include <SPI.h>
#include <Adafruit_VS1053.h>
#include <SD.h>
// Inkluderer wire for kommunikasjon mellom 2 Arduinoer
#include <Wire.h>

// These are the pins used for the breakout example
#define BREAKOUT_RESET  9      // VS1053 reset pin (output)
#define BREAKOUT_CS     10     // VS1053 chip select pin (output)
#define BREAKOUT_DCS    8      // VS1053 Data/command select pin (output)
// These are the pins used for the music maker shield
#define SHIELD_RESET  -1      // VS1053 reset pin (unused!)
#define SHIELD_CS     7      // VS1053 chip select pin (output)
#define SHIELD_DCS    6      // VS1053 Data/command select pin (output)

// These are common pins between breakout and shield
#define CARDCS 4     // Card chip select pin
// DREQ should be an Int pin, see http://arduino.cc/en/Reference/attachInterrupt
#define DREQ 3       // VS1053 Data request, ideally an Interrupt pin

Adafruit_VS1053_FilePlayer musicPlayer = 
  // create breakout-example object!
  //Adafruit_VS1053_FilePlayer(BREAKOUT_RESET, BREAKOUT_CS, BREAKOUT_DCS, DREQ, CARDCS);
  // create shield-example object!
  Adafruit_VS1053_FilePlayer(SHIELD_RESET, SHIELD_CS, SHIELD_DCS, DREQ, CARDCS);


////
int sangNR,byttMusikk,touch;
boolean doStuff = false;


void setup() {
  Wire.begin(8);                // join i2c bus with address #8
  Wire.onReceive(receiveEvent); // register event
  Serial.begin(9600);
  Serial.println("Adafruit VS1053 Library Test");

  // initialise the music player
  if (! musicPlayer.begin()) { // initialise the music player
     Serial.println(F("Couldn't find VS1053, do you have the right pins defined?"));
     while (1);
  }
  Serial.println(F("VS1053 found"));

  musicPlayer.sineTest(0x44, 500);    // Make a tone to indicate VS1053 is working
 
  if (!SD.begin(CARDCS)) {
    Serial.println(F("SD failed, or not present"));
    while (1);  // don't do anything more
  }
  Serial.println("SD OK!");
  
  // list files
 // printDirectory(SD.open("/"), 0);
  
  // Set volume for left, right channels. lower numbers == louder volume!
  musicPlayer.setVolume(10,10);

  /***** Two interrupt options! *******/ 
  // This option uses timer0, this means timer1 & t2 are not required
  // (so you can use 'em for Servos, etc) BUT millis() can lose time
  // since we're hitchhiking on top of the millis() tracker
  //musicPlayer.useInterrupt(VS1053_FILEPLAYER_TIMER0_INT);
  
  // This option uses a pin interrupt. No timers required! But DREQ
  // must be on an interrupt pin. For Uno/Duemilanove/Diecimilla
  // that's Digital #2 or #3
  // See http://arduino.cc/en/Reference/attachInterrupt for other pins
  // *** This method is preferred
  if (! musicPlayer.useInterrupt(VS1053_FILEPLAYER_PIN_INT))
    Serial.println(F("DREQ pin is not an interrupt pin"));
}

void loop() {
  if (doStuff){
      musicPlayer.stopPlaying();
      delay(50);
  }
  // Alternately, we can just play an entire file at once
  // This doesn't happen in the background, instead, the entire
  // file is played and the program will continue when it's done!
  //musicPlayer.playFullFile("track001.ogg");
  if (sangNR == 0 && doStuff){
    doStuff = false;
    //bare stoppe musikken
  }
  if (sangNR == 1 && doStuff){
    musicPlayer.startPlayingFile("1.mp3");
    doStuff = false;
  }
    if (sangNR == 2 && doStuff){
    musicPlayer.startPlayingFile("2.mp3");
    doStuff = false;
  }
    if (sangNR == 3 && doStuff){
    musicPlayer.startPlayingFile("3.mp3");
    doStuff = false;
  }
    if (sangNR == 4 && doStuff){
    musicPlayer.startPlayingFile("4.mp3");
    doStuff = false;
  }
    if (sangNR == 5 && doStuff){
    musicPlayer.startPlayingFile("5.mp3");
    doStuff = false;
  }
  if (sangNR == 6 && doStuff){
    musicPlayer.startPlayingFile("6.mp3");
    doStuff = false;
  }
  if (sangNR == 7 && doStuff){
    musicPlayer.startPlayingFile("7.mp3");
    doStuff = false;
  }
/*
  // Start playing a file, then we can do stuff while waiting for it to finish
  if (! musicPlayer.startPlayingFile("t02.mp3")) {
    Serial.println("Could not open file t02.mp3");
    while (1);
  }
  Serial.println(F("Started playing"));
*/
  /*while (musicPlayer.playingMusic) {
    // file is now playing in the 'background' so now's a good time
    // to do something else like handling LEDs or buttons :)

    
   // Serial.print(".");
   // delay(1000);
  }*/
  
  /*if (byttMusikk == 1) {
      musicPlayer.stopPlaying();
      musicPlayer.startPlayingFile("t01.mp3");
    }
  Serial.println("Done playing music");*/
}


/// File listing helper
void printDirectory(File dir, int numTabs) {
   while(true) {
     
     File entry =  dir.openNextFile();
     if (! entry) {
       // no more files
       //Serial.println("**nomorefiles**");
       break;
     }
     for (uint8_t i=0; i<numTabs; i++) {
       Serial.print('\t');
     }
     Serial.print(entry.name());
     if (entry.isDirectory()) {
       Serial.println("/");
       printDirectory(entry, numTabs+1);
     } else {
       // files have sizes, directories do not
       Serial.print("\t\t");
       Serial.println(entry.size(), DEC);
     }
     entry.close();
   }
}

// function that executes whenever data is received from master
// this function is registered as an event, see setup()
void receiveEvent(int howMany) {
  while (1 < Wire.available()) { // loop through all but the last
    char c = Wire.read(); // receive byte as a character
    Serial.print(c);         // print the character
  }
  int x = Wire.read();    // receive byte as an integer
  
  sangNR = (x % 16) / 2;
  byttMusikk = x % 2;
  touch = x / 16;  //brukes ikke til noe
  //Serial.println(x);         // print the integer
  Serial.println("sangNR:");
  Serial.print(sangNR);
  Serial.println("byttMusikk:");
  Serial.print(byttMusikk);
  Serial.print(", ");
   Serial.println(touch);
   doStuff = true;
}