src/audio_task.cpp - master - Yurask67/ESP32C3_AUDIO

src/audio_task.cpp
115 строк3 KB
Yurask67
переда gain перенесена в очередь
11 дек 2025, 14:30
11 дек 2025, 14:30e0825c9

#include "conf.h"
/*-------------task--------------------*/
TaskHandle_t audio; // хендл задачи
#define STACK_SIZE 8192
void vAUDIOTask(void *pvParameters);
void startAUDIOTask(void)
{
  xTaskCreate(vAUDIOTask, "audio", STACK_SIZE, NULL, 10, &audio);
}
/*---------------------------------*/

#define I2S_DOUT 8
#define I2S_BCLK 9
#define I2S_LRC 4

const char sound1[] = "/dog1.mp3";
const char sound2[] = "/svist1.mp3";
const char sound3[] = "/dog2.mp3";
const char soundMotion1[] = "";
const char soundMotion2[] = "";
const char soundMotion3[] = "";

AudioFileSourceLittleFS *file;
AudioFileSourceID3 *id3;
AudioOutputI2S *out;
AudioGeneratorMP3 *mp3;
File dir, root;
String fileName = "";
structSound_t structSound; // для очереди

// Called when a metadata event occurs (i.e. an ID3 tag, an ICY block, etc.
void MDCallback(void *cbData, const char *type, bool isUnicode, const char *string)
{
  (void)cbData;
  Serial.printf("ID3 callback for: %s = '", type);
  if (isUnicode)
  {
    string += 2;
  }
  while (*string)
  {
    char a = *(string++);
    if (isUnicode)
    {
      string++;
    }
    Serial.printf("%c", a);
  }
  Serial.printf("'\n");
  Serial.flush();
}

void playFile(void)
{
  static structSound_t _Sound; // локальная для приема из очереди
  if (_Sound.count > 0)
  {
    _Sound.count--;
    file->open(_Sound.Track);
    fileName = _Sound.Track;

    if (fileName.length() > 0)
    {
      id3 = new AudioFileSourceID3(file);
      id3->RegisterMetadataCB(MDCallback, (void *)"ID3TAG");
      mp3->begin(id3, out);
      Serial.printf("Playback of '%s' begins...\n", fileName.c_str());
    }
    else
    {
      Serial.println("Can't find .mp3 file in LITTLEFS");
    }
  }
  else
  {
    xQueueReceive(QueueSound, &_Sound, portMAX_DELAY);
    out->SetGain((float)_Sound.gain / 10); // громкость 
  }
}

/**********сетап задачи**************/
void setupAUDIOTask(void)
{
  Serial.printf("Sample MP3 playback begins...\n");
  audioLogger = &Serial;
  file = new AudioFileSourceLittleFS();
  id3 = NULL;
  out = new AudioOutputI2S();
  out->SetPinout(I2S_BCLK, I2S_LRC, I2S_DOUT);
  // out->SetGain(0.3); // Горомкость
  mp3 = new AudioGeneratorMP3();
  root = LittleFS.open("/");
}

void vAUDIOTask(void *pvParameters)
{
  (void)pvParameters;
  setupAUDIOTask();
  while (1)
  {
    if (mp3->isRunning())
    {
      if (!mp3->loop())
      {
        mp3->stop();
      }
    }
    else
    {
      playFile();
      Serial.println("MP3 done");
      vTaskDelay(20);
    }
  }
}