NodeMCU ESP8266 สัปดาห์ที่ 13

 

ESP8266 วิทยุดิจิตอล

Digital Radio ทำจาก ESP8266 และลำโพง

#include <Arduino.h>

#ifdef ESP32

    #include <WiFi.h>

#else

    #include <ESP8266WiFi.h>

#endif

#include "AudioFileSourceICYStream.h"

#include "AudioFileSourceBuffer.h"

#include "AudioGeneratorMP3.h"

#include "AudioOutputI2SNoDAC.h"

// To run, set your ESP8266 build to 160MHz, update the SSID info, and upload.

// Enter your WiFi setup here:

const char *SSID = "ssid";

const char *PASSWORD = "password";

const char *URL="http://mms.hoerradar.de:8000/rst128k";//Radio RST(German)

//const char *URL="http://ndr-edge-206c.fra-lg.cdn.addradio.net/ndr/njoy/live/mp3/128/stream.mp3";//NJOY (German)

AudioGeneratorMP3 *mp3;

AudioFileSourceICYStream *file;

AudioFileSourceBuffer *buff;

AudioOutputI2SNoDAC *out;

// 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)

{

  const char *ptr = reinterpret_cast<const char *>(cbData);

  (void) isUnicode; // Punt this ball for now

  // Note that the type and string may be in PROGMEM, so copy them to RAM for printf

  char s1[32], s2[64];

  strncpy_P(s1, type, sizeof(s1));

  s1[sizeof(s1)-1]=0;

  strncpy_P(s2, string, sizeof(s2));

  s2[sizeof(s2)-1]=0;

  Serial.printf("METADATA(%s) '%s' = '%s'\n", ptr, s1, s2);

  Serial.flush();

}

// Called when there's a warning or error (like a buffer underflow or decode hiccup)

void StatusCallback(void *cbData, int code, const char *string)

{

  const char *ptr = reinterpret_cast<const char *>(cbData);

  // Note that the string may be in PROGMEM, so copy it to RAM for printf

  char s1[64];

  strncpy_P(s1, string, sizeof(s1));

  s1[sizeof(s1)-1]=0;

  Serial.printf("STATUS(%s) '%d' = '%s'\n", ptr, code, s1);

  Serial.flush();

}

void setup()

{

  Serial.begin(115200);

  delay(1000);

  Serial.println("Connecting to WiFi");

  WiFi.disconnect();

  WiFi.softAPdisconnect(true);

  WiFi.mode(WIFI_STA);

  

  WiFi.begin(SSID, PASSWORD);

  // Try forever

  while (WiFi.status() != WL_CONNECTED) {

    Serial.println("...Connecting to WiFi");

    delay(1000);

  }

  Serial.println("Connected");

  audioLogger = &Serial;

  file = new AudioFileSourceICYStream(URL);

  file->RegisterMetadataCB(MDCallback, (void*)"ICY");

  buff = new AudioFileSourceBuffer(file, 2048);

  buff->RegisterStatusCB(StatusCallback, (void*)"buffer");

  out = new AudioOutputI2SNoDAC();

  mp3 = new AudioGeneratorMP3();

  mp3->RegisterStatusCB(StatusCallback, (void*)"mp3");

  mp3->begin(buff, out);

}

void loop()

{

  static int lastms = 0;

  if (mp3->isRunning()) {

    if (millis()-lastms > 1000) {

      lastms = millis();

      Serial.printf("Running for %d ms...\n", lastms);

      Serial.flush();

     }

    if (!mp3->loop()) mp3->stop();

  } else {

    Serial.printf("MP3 done\n");

    delay(1000);

  }

}

เว็บ https://www.hackster.io/earlephilhower/esp8266-digital-radio-ee747f