Adatum
Янв
27
2016

Подключение музыкального модуля с SD-flash картой WTV020M01 к Arduino

wtv020sd
Обращаю ваше внимание что данный модуль не работает картами более 2 Gb и только с файловой системой FAT. Воспроизводит файлы в формате Wav и ad4.

Библиотека Wtv020sd16p

Пример из библиотеки

/*
 Example: Control a WTV020-SD-16P module to play voices from an Arduino board.
 Created by Diego J. Arevalo, August 6th, 2012.
 Released into the public domain.
 */

#include <Wtv020sd16p.h>

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.

/*
Create an instance of the Wtv020sd16p class.
 1st parameter: Reset pin number.
 2nd parameter: Clock pin number.
 3rd parameter: Data pin number.
 4th parameter: Busy pin number.
 */
Wtv020sd16p wtv020sd16p(resetPin,clockPin,dataPin,busyPin);

void setup() {
  //Initializes the module.
  wtv020sd16p.reset();
}

void loop() {
  //Plays synchronously an audio file. Busy pin is used for this method.
  wtv020sd16p.playVoice(0);
  //Plays asynchronously an audio file.
  wtv020sd16p.asyncPlayVoice(1);
  //Plays audio file number 1 during 2 seconds.
  delay(5000);
  //Pauses audio file number 1 during 2 seconds.  
  wtv020sd16p.pauseVoice();
  delay(5000);
  //Resumes audio file number 1 during 2 seconds.
  wtv020sd16p.pauseVoice();
  delay(5000);  
  //Stops current audio file playing.
  wtv020sd16p.stopVoice();
  //Plays synchronously an audio file. Busy pin is used for this method.  
  wtv020sd16p.asyncPlayVoice(2);
  delay(2000);   
  //Mutes audio file number 2 during 2 seconds.
  wtv020sd16p.mute();
  delay(2000);
  //Unmutes audio file number 2 during 2 seconds.
  wtv020sd16p.unmute();
  delay(2000);    
  //Stops current audio file playing.
  wtv020sd16p.stopVoice();
}

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*

  • а как регулировать громкость в данном случае?