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DoorBell Scream 01
// Extra Halloween code Conor O'Neill 2015
// Note there is a debounce error in here where the doorbell has to be pressed twice.
This is an example for the Adafruit VS1053 Codec Breakout
Designed specifically to work with the Adafruit VS1053 Codec Breakout
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>
// Switch
int state = LOW; // the current state of the output pin
int reading; // the current reading from the input pin
int previous = HIGH; // the previous reading from the input pin
long time = 0; // the last time the output pin was toggled
long debounce = 200; // the debounce time, increase if the output flickers
// define the pins used
//#define CLK 13 // SPI Clock, shared with SD card
//#define MISO 12 // Input data, from VS1053/SD card
//#define MOSI 11 // Output data, to VS1053/SD card
// Connect CLK, MISO and MOSI to hardware SPI pins.
// See "Connections"
// 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
#define DREQ 3 // VS1053 Data request, ideally an Interrupt pin
Adafruit_VS1053_FilePlayer musicPlayer =
// create breakout-example object!
// create shield-example object!
void setup() {
Serial.println("Adafruit VS1053 Simple Test");
// Tell BananaPi to go Low and not light LED
pinMode(5, OUTPUT);
digitalWrite(5, LOW);
// Switch
pinMode(2, INPUT_PULLUP);
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"));
SD.begin(CARDCS); // initialise the SD card
// Set volume for left, right channels. lower numbers == louder volume!
// Timer interrupts are not suggested, better to use DREQ interrupt!
//musicPlayer.useInterrupt(VS1053_FILEPLAYER_TIMER0_INT); // timer int
// If DREQ is on an interrupt pin (on uno, #2 or #3) we can do background
// audio playing
musicPlayer.useInterrupt(VS1053_FILEPLAYER_PIN_INT); // DREQ int
void loop() {
reading = digitalRead(2);
if (reading == LOW && previous == HIGH && millis() - time > debounce) {
if (state == LOW){
state = HIGH;
digitalWrite(5, HIGH);
digitalWrite(5, LOW);
} else {
state = LOW;
digitalWrite(5, LOW);
time = millis();
previous = reading;
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