snapshot

libraries/audio-tools/examples/examples-communication/a2dp/player-sd_a2dp-audiokit/player-sd_a2dp-audiokit.ino

@@ -0,0 +1,87 @@
+/**
+ * @file player-sdfat_a2dp-audiokit.ino
+ * @author Phil Schatzmann
+ * @brief Swithcing between Player and A2DP
+ * @version 0.1
+ * @date 2022-04-21
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+
+// install https://github.com/greiman/SdFat.git
+
+#include "AudioTools.h"
+#include "AudioTools/Communication/A2DPStream.h"
+#include "AudioTools/AudioLibs/AudioBoardStream.h"
+#include "AudioTools/Disk/AudioSourceSDFAT.h"
+#include "AudioTools/AudioCodecs/CodecMP3Helix.h"
+
+const char *startFilePath="/";
+const char* ext="mp3";
+AudioBoardStream kit(AudioKitEs8388V1);
+SdSpiConfig sdcfg(PIN_AUDIO_KIT_SD_CARD_CS, DEDICATED_SPI, SD_SCK_MHZ(10) , &SPI);
+AudioSourceSDFAT source(startFilePath, ext, sdcfg);
+MP3DecoderHelix decoder;
+AudioPlayer player(source, kit, decoder);
+BluetoothA2DPSink a2dp_sink;
+bool player_active = true;
+
+// Write data to AudioKit in callback
+void read_data_stream(const uint8_t *data, uint32_t length) {
+    kit.write(data, length);
+}
+
+// switch between a2dp and sd player
+void mode(bool, int, void*) {
+  player_active = !player_active;
+  if (player_active){
+      Serial.println("Stopping A2DP");          
+      a2dp_sink.end();        
+      // setup player
+      player.setVolume(0.7);
+      player.begin();
+      Serial.println("Player started");     
+  } else {
+      Serial.println("Stopping player..");     
+      player.end();
+      // start sink
+      a2dp_sink.start("AudioKit"); 
+      // update sample rate
+      auto cfg = kit.defaultConfig();
+      cfg.sample_rate = a2dp_sink.sample_rate();
+      kit.setAudioInfo(cfg);
+      Serial.println("A2DP started");     
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  // provide a2dp data
+  a2dp_sink.set_stream_reader(read_data_stream, false);
+
+  // setup output
+  auto cfg = kit.defaultConfig(TX_MODE);
+  kit.setVolume(40);
+  kit.begin(cfg);
+
+ // setup additional buttons 
+  kit.addDefaultActions();
+  kit.addAction(kit.getKey(4), mode);
+
+  // setup player
+  player.setVolume(0.7);
+  player.begin();
+}
+
+void loop() {
+  if (player) {
+    player.copy();
+  } else {
+    // feed watchdog
+    delay(10);
+  }
+  kit.processActions();
+}