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libraries/audio-tools/examples/examples-communication/http-client/player-url-i2s/player-url-i2s.ino

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+/**
+ * @file player-url-i2s.ino
+ * @brief see https://github.com/pschatzmann/arduino-audio-tools/blob/main/examples/examples-player/player-url-i2s/README.md
+ * 
+ * @author Phil Schatzmann
+ * @copyright GPLv3
+ */
+
+
+#include "AudioTools.h"
+#include "AudioTools/AudioCodecs/CodecMP3Helix.h"
+#include "AudioTools/Disk/AudioSourceURL.h"
+#include "AudioTools/Communication/AudioHttp.h"
+
+
+const char *urls[] = {
+  "http://stream.srg-ssr.ch/m/rsj/mp3_128",
+  "http://stream.srg-ssr.ch/m/drs3/mp3_128",
+  "http://stream.srg-ssr.ch/m/rr/mp3_128",
+  "http://sunshineradio.ice.infomaniak.ch/sunshineradio-128.mp3",
+  "http://streaming.swisstxt.ch/m/drsvirus/mp3_128"
+};
+const char *wifi = "wifi";
+const char *password = "password";
+
+URLStream urlStream(wifi, password);
+AudioSourceURL source(urlStream, urls, "audio/mp3");
+I2SStream i2s;
+MP3DecoderHelix decoder;
+AudioPlayer player(source, i2s, decoder);
+
+// additional controls
+const int volumePin = A0;
+Debouncer nextButtonDebouncer(2000);
+const int nextButtonPin = 13;
+
+void setup() {
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  // setup output
+  auto cfg = i2s.defaultConfig(TX_MODE);
+  i2s.begin(cfg);
+
+  // setup player
+  player.begin();
+}
+
+// Sets the volume control from a linear potentiometer input
+void updateVolume() {
+  // Reading potentiometer value (range is 0 - 4095)
+  float vol = static_cast<float>(analogRead(volumePin));
+  // min in 0 - max is 1.0
+  player.setVolume(vol/4095.0);
+}
+
+
+// Moves to the next url when we touch the pin
+void updatePosition() {
+   if (digitalRead(nextButtonPin)) {
+      Serial.println("Moving to next url");
+      if (nextButtonDebouncer.debounce()){
+        player.next();
+      }
+  }
+}
+
+
+void loop() {
+  //updateVolume(); // remove comments to activate volume control
+  //updatePosition();  // remove comments to activate position control
+  player.copy();
+}