Модуль mp3

Описание

Служит для воспроизведения mp3, wav файлов с SD карты.

Пример Кода:

//SELECTOR BTN = pin 6

//TRIGGER = pin 7

//RESET = PIN 2

//CLOCK = PIN 3

//DATA = PIN 4

//BUSY = PIN 5

#include 

int resetPin = 2; // The pin number of the reset pin.

int clockPin = 3; // The pin number of the clock pin.

int dataPin = 4; // The pin number of the data pin.

int busyPin = 5; // The pin number of the busy pin.

const int buttonPin = 6; // the pin that the SELECTOR pushbutton is attached to

const int triggerPin = 7; // the pin that the TRIGGER is attached to

// Variables will change:

int buttonPushCounter = 0; // counter for the number of SELECTOR button presses

int buttonState = 0;             // current state of the SELECTOR button

int lastButtonState = 0;         // previous state of the button

int triggerState = 0;            // current state of the Trigger

int lastTriggerState = 0;        // previous state of the Triger

long time = 0;           // the last time the output pin was toggled

long debounce = 200; // the debounce time, increase if the output flickers

Wtv020sd16p wtv020sd16p(resetPin,clockPin,dataPin,busyPin);

void setup() {

//Initializes the module.

wtv020sd16p.reset();

// initialize the SELECTOR and Trigger button pins as a inputs:

pinMode(buttonPin, INPUT);

pinMode(triggerPin, INPUT);

Serial.begin(9600); //Start serial interface (for debugging)

wtv020sd16p.asyncPlayVoice(0);

}

void loop() {

// read the pushbutton input pin:

buttonState = digitalRead(buttonPin);

triggerState = digitalRead(triggerPin);

// compare the buttonState to its previous state

if (buttonState != lastButtonState && millis() - time > debounce) {

// if the state has changed, increment the counter

if (buttonState == HIGH) {

// if the current state is HIGH then the button

// went from off to on:

time = millis();

Serial.println("Selector Button Pushed");

// plays words

wtv020sd16p.asyncPlayVoice(5);

if (buttonPushCounter < 3)

{

buttonPushCounter++;

Serial.print("Selector Button State: ");

Serial.println(buttonPushCounter);

}

else buttonPushCounter = 1;

}

else {

}

}

// compare the triggerState to its previous state

if (triggerState != lastTriggerState) {

// if the state has changed, do something

if (triggerState == HIGH) {

         Serial.println("Trigger Pushed");

         Serial.print("Selector Button State: ");

         Serial.println(buttonPushCounter);

         SelectorPosition();

}

else {

}

}

// save the current state as the last state,

//for next time through the loop

lastButtonState = buttonState;

lastTriggerState = triggerState;

}

void SelectorPosition(){

switch (buttonPushCounter) {

case 1:

         Serial.println("song1");

         wtv020sd16p.asyncPlayVoice(0);

         wtv020sd16p.stopVoice();

         break;

case 2: