ESP8266 Digital Radio

1#include <Arduino.h>
2
3#ifdef ESP32
4    #include <WiFi.h>
5#else
6    #include <ESP8266WiFi.h>
7#endif
8#include "AudioFileSourceICYStream.h"
9#include  "AudioFileSourceBuffer.h"
10#include "AudioGeneratorMP3.h"
11#include "AudioOutputI2SNoDAC.h"
12
13//  To run, set your ESP8266 build to 160MHz, update the SSID info, and upload.
14
15//  Enter your WiFi setup here:
16const char *SSID = "ssid";
17const char *PASSWORD  = "password";
18
19const char *URL="http://mms.hoerradar.de:8000/rst128k";//Radio  RST(German)
20//const char *URL="http://ndr-edge-206c.fra-lg.cdn.addradio.net/ndr/njoy/live/mp3/128/stream.mp3";//NJOY  (German)
21
22AudioGeneratorMP3 *mp3;
23AudioFileSourceICYStream *file;
24AudioFileSourceBuffer  *buff;
25AudioOutputI2SNoDAC *out;
26
27// Called when a metadata event occurs  (i.e. an ID3 tag, an ICY block, etc.
28void MDCallback(void *cbData, const char  *type, bool isUnicode, const char *string)
29{
30  const char *ptr = reinterpret_cast<const  char *>(cbData);
31  (void) isUnicode; // Punt this ball for now
32  // Note that  the type and string may be in PROGMEM, so copy them to RAM for printf
33  char  s1[32], s2[64];
34  strncpy_P(s1, type, sizeof(s1));
35  s1[sizeof(s1)-1]=0;
36  strncpy_P(s2, string, sizeof(s2));
37  s2[sizeof(s2)-1]=0;
38  Serial.printf("METADATA(%s)  '%s' = '%s'\
39", ptr, s1, s2);
40  Serial.flush();
41}
42
43// Called when  there's a warning or error (like a buffer underflow or decode hiccup)
44void StatusCallback(void  *cbData, int code, const char *string)
45{
46  const char *ptr = reinterpret_cast<const  char *>(cbData);
47  // Note that the string may be in PROGMEM, so copy it to RAM  for printf
48  char s1[64];
49  strncpy_P(s1, string, sizeof(s1));
50  s1[sizeof(s1)-1]=0;
51  Serial.printf("STATUS(%s) '%d' = '%s'\
52", ptr, code, s1);
53  Serial.flush();
54}
55
56
57void  setup()
58{
59  Serial.begin(115200);
60  delay(1000);
61  Serial.println("Connecting  to WiFi");
62
63  WiFi.disconnect();
64  WiFi.softAPdisconnect(true);
65  WiFi.mode(WIFI_STA);
66  
67  WiFi.begin(SSID, PASSWORD);
68
69  // Try forever
70  while (WiFi.status()  != WL_CONNECTED) {
71    Serial.println("...Connecting to WiFi");
72    delay(1000);
73  }
74  Serial.println("Connected");
75
76  audioLogger = &Serial;
77  file  = new AudioFileSourceICYStream(URL);
78  file->RegisterMetadataCB(MDCallback, (void*)"ICY");
79  buff = new AudioFileSourceBuffer(file, 2048);
80  buff->RegisterStatusCB(StatusCallback,  (void*)"buffer");
81  out = new AudioOutputI2SNoDAC();
82  mp3 = new AudioGeneratorMP3();
83  mp3->RegisterStatusCB(StatusCallback, (void*)"mp3");
84  mp3->begin(buff, out);
85}
86
87
88void  loop()
89{
90  static int lastms = 0;
91
92  if (mp3->isRunning()) {
93    if  (millis()-lastms > 1000) {
94      lastms = millis();
95      Serial.printf("Running  for %d ms...\
96", lastms);
97      Serial.flush();
98     }
99    if (!mp3->loop())  mp3->stop();
100  } else {
101    Serial.printf("MP3 done\
102");
103    delay(1000);
104  }
105}
106