Как добавить звук в Arduino //0×2

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#define OPTIMIZE_CONTIGUOUS 1 //Оптимизация открытия файлов
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#define DVOLUME 0 //Отключить программную регуляцию громкости
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#define RATE_ERROR_LEVEL 0 //Игнорируем все ошибки. Начхать на все ограничения!
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... #define OPTIMIZE_CONTIGUOUS 1 //Оптимизация открытия файлов ... #define DVOLUME 0 //Отключить программную регуляцию громкости ... #define RATE_ERROR_LEVEL 0 //Игнорируем все ошибки. Начхать на все ограничения! ...

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/*
 * This example plays every .WAV file it finds on the SD card in a loop
 */
#include <WaveHC.h>
#include <WaveUtil.h>
 
SdReader card;    // This object holds the information for the card
FatVolume vol;    // This holds the information for the partition on the card
FatReader root;   // This holds the information for the volumes root directory
WaveHC wave;      // This is the only wave (audio) object, since we will only play one at a time
 
uint8_t dirLevel; // indent level for file/dir names    (for prettyprinting)
dir_t dirBuf;     // buffer for directory reads
 
#define error(msg) error_P(PSTR(msg))
 
void play(FatReader &dir);
 
//////////////////////////////////// SETUP
void setup() {
  Serial.begin(9600);           // set up Serial library at 9600 bps for debugging
 
  putstring_nl("\nWave test!");  // say we woke up!
 
  putstring("Free RAM: ");       // This can help with debugging, running out of RAM is bad
  Serial.println(FreeRam());
 
  //  if (!card.init(true)) { //play with 4 MHz spi if 8MHz isn't working for you
  if (!card.init()) {         //play with 8 MHz spi (default faster!)  
    error("Card init. failed!");  // Something went wrong, lets print out why
  }
 
  // enable optimize read - some cards may timeout. Disable if you're having problems
  card.partialBlockRead(true);
 
  // Now we will look for a FAT partition!
  uint8_t part;
  for (part = 0; part < 5; part++) {   // we have up to 5 slots to look in
    if (vol.init(card, part)) 
      break;                           // we found one, lets bail
  }
  if (part == 5) {                     // if we ended up not finding one  :(
    error("No valid FAT partition!");  // Something went wrong, lets print out why
  }
 
  // Lets tell the user about what we found
  putstring("Using partition ");
  Serial.print(part, DEC);
  putstring(", type is FAT");
  Serial.println(vol.fatType(), DEC);     // FAT16 or FAT32?
 
  // Try to open the root directory
  if (!root.openRoot(vol)) {
    error("Can't open root dir!");      // Something went wrong,
  }
 
  // Whew! We got past the tough parts.
  putstring_nl("Files found (* = fragmented):");
 
  // Print out all of the files in all the directories.
  root.ls(LS_R | LS_FLAG_FRAGMENTED);
}
 
void loop() {
  root.rewind();
  play(root);
}
 
void error_P(const char *str) {
  PgmPrint("Error: ");
  SerialPrint_P(str);
  sdErrorCheck();
  while(1);
}
 
void sdErrorCheck(void) {
  if (!card.errorCode()) return;
  PgmPrint("\r\nSD I/O error: ");
  Serial.print(card.errorCode(), HEX);
  PgmPrint(", ");
  Serial.println(card.errorData(), HEX);
  while(1);
}
 
void play(FatReader &dir) {
  FatReader file;
  while (dir.readDir(dirBuf) > 0) {    // Read every file in the directory one at a time
 
    if (!DIR_IS_SUBDIR(dirBuf)
         && strncmp_P((char *)&dirBuf.name[8], PSTR("WAV"), 3)) {
      continue;
    }
 
    Serial.println();            // clear out a new line
 
    for (uint8_t i = 0; i < dirLevel; i++) {
       Serial.write(' ');       // this is for prettyprinting, put spaces in front
    }
    if (!file.open(vol, dirBuf)) {        // open the file in the directory
      error("file.open failed");          // something went wrong
    }
 
    if (file.isDir()) {                   // check if we opened a new directory
      putstring("Subdir: ");
      printEntryName(dirBuf);
      Serial.println();
      dirLevel += 2;                      // add more spaces
      // play files in subdirectory
      play(file);                         // recursive!
      dirLevel -= 2;    
    }
    else {
      // Aha! we found a file that isnt a directory
      putstring("Playing ");
      printEntryName(dirBuf);              // print it out
      if (!wave.create(file)) {            // Figure out, is it a WAV proper?
        putstring(" Not a valid WAV");     // ok skip it
      } else {
        Serial.println();                  // Hooray it IS a WAV proper!
        wave.play();                       // make some noise!
 
        uint8_t n = 0;
        while (wave.isplaying) {// playing occurs in interrupts, so we print dots in realtime
          putstring(".");
          if (Serial.available()>0) {wave.stop(); break;}
          if (!(++n % 32))Serial.println();
          delay(100);
        }    
        Serial.read();   
        sdErrorCheck();                    // everything OK?
        // if (wave.errors)Serial.println(wave.errors);     // wave decoding errors
      }
    }
  }
}

/* * This example plays every .WAV file it finds on the SD card in a loop */ #include <WaveHC.h> #include <WaveUtil.h> SdReader card; // This object holds the information for the card FatVolume vol; // This holds the information for the partition on the card FatReader root; // This holds the information for the volumes root directory WaveHC wave; // This is the only wave (audio) object, since we will only play one at a time uint8_t dirLevel; // indent level for file/dir names (for prettyprinting) dir_t dirBuf; // buffer for directory reads #define error(msg) error_P(PSTR(msg)) void play(FatReader &dir); //////////////////////////////////// SETUP void setup() { Serial.begin(9600); // set up Serial library at 9600 bps for debugging putstring_nl("\nWave test!"); // say we woke up! putstring("Free RAM: "); // This can help with debugging, running out of RAM is bad Serial.println(FreeRam()); // if (!card.init(true)) { //play with 4 MHz spi if 8MHz isn't working for you if (!card.init()) { //play with 8 MHz spi (default faster!) error("Card init. failed!"); // Something went wrong, lets print out why } // enable optimize read - some cards may timeout. Disable if you're having problems card.partialBlockRead(true); // Now we will look for a FAT partition! uint8_t part; for (part = 0; part < 5; part++) { // we have up to 5 slots to look in if (vol.init(card, part)) break; // we found one, lets bail } if (part == 5) { // if we ended up not finding one :( error("No valid FAT partition!"); // Something went wrong, lets print out why } // Lets tell the user about what we found putstring("Using partition "); Serial.print(part, DEC); putstring(", type is FAT"); Serial.println(vol.fatType(), DEC); // FAT16 or FAT32? // Try to open the root directory if (!root.openRoot(vol)) { error("Can't open root dir!"); // Something went wrong, } // Whew! We got past the tough parts. putstring_nl("Files found (* = fragmented):"); // Print out all of the files in all the directories. root.ls(LS_R | LS_FLAG_FRAGMENTED); } void loop() { root.rewind(); play(root); } void error_P(const char *str) { PgmPrint("Error: "); SerialPrint_P(str); sdErrorCheck(); while(1); } void sdErrorCheck(void) { if (!card.errorCode()) return; PgmPrint("\r\nSD I/O error: "); Serial.print(card.errorCode(), HEX); PgmPrint(", "); Serial.println(card.errorData(), HEX); while(1); } void play(FatReader &dir) { FatReader file; while (dir.readDir(dirBuf) > 0) { // Read every file in the directory one at a time if (!DIR_IS_SUBDIR(dirBuf) && strncmp_P((char *)&dirBuf.name[8], PSTR("WAV"), 3)) { continue; } Serial.println(); // clear out a new line for (uint8_t i = 0; i < dirLevel; i++) { Serial.write(' '); // this is for prettyprinting, put spaces in front } if (!file.open(vol, dirBuf)) { // open the file in the directory error("file.open failed"); // something went wrong } if (file.isDir()) { // check if we opened a new directory putstring("Subdir: "); printEntryName(dirBuf); Serial.println(); dirLevel += 2; // add more spaces // play files in subdirectory play(file); // recursive! dirLevel -= 2; } else { // Aha! we found a file that isnt a directory putstring("Playing "); printEntryName(dirBuf); // print it out if (!wave.create(file)) { // Figure out, is it a WAV proper? putstring(" Not a valid WAV"); // ok skip it } else { Serial.println(); // Hooray it IS a WAV proper! wave.play(); // make some noise! uint8_t n = 0; while (wave.isplaying) {// playing occurs in interrupts, so we print dots in realtime putstring("."); if (Serial.available()>0) {wave.stop(); break;} if (!(++n % 32))Serial.println(); delay(100); } Serial.read(); sdErrorCheck(); // everything OK? // if (wave.errors)Serial.println(wave.errors); // wave decoding errors } } } }