vs1053 midi-file

Author: pschatzmann

examples/examples-vs1053/basic-a2dp-vs1053/basic-a2dp-vs1053.ino

@@ -0,0 +1,68 @@
+/**
+ * @file basic-a2dp-audiovs1053.ino
+ * @brief A2DP Sink with output to vs1053. The vs1053 expects encoded data so we encode the stream
+ * to a WAV file
+ *
+ * @author Phil Schatzmann
+ * @copyright GPLv3
+ */
+
+// install https://github.com/pschatzmann/arduino-vs1053.git
+
+#include "AudioTools.h"
+#include "AudioLibs/VS1053Stream.h"
+#include "BluetoothA2DPSink.h"
+
+BluetoothA2DPSink a2dp_sink;
+VS1053Stream out; // final output
+bool active = false;
+// Write data to SPDIF in callback
+void read_data_stream(const uint8_t *data, uint32_t length) {
+  if (active) out.write(data, length);
+}
+
+// for esp_a2d_audio_state_t see https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/bluetooth/esp_a2dp.html#_CPPv421esp_a2d_audio_state_t
+void audio_state_changed(esp_a2d_audio_state_t state, void *ptr){
+  Serial.println(a2dp_sink.to_str(state));
+    switch(state){
+      case ESP_A2D_AUDIO_STATE_STARTED:
+        out.begin();
+        active = true;
+        break;
+      case ESP_A2D_AUDIO_STATE_STOPPED:
+      case ESP_A2D_AUDIO_STATE_REMOTE_SUSPEND:
+        active = false;
+        out.end();
+        break;
+    }
+}
+
+
+void setup() {
+  Serial.begin(115200);
+  AudioLogger::instance().begin(Serial, AudioLogger::Info);
+
+  // register callbacks
+  a2dp_sink.set_stream_reader(read_data_stream, false);
+  a2dp_sink.set_on_audio_state_changed(audio_state_changed);
+
+  // Start Bluetooth Audio Receiver
+  a2dp_sink.set_auto_reconnect(false);
+  a2dp_sink.start("a2dp-vs1053");
+
+  // setup VS1053
+  auto cfg = out.defaultConfig();
+  cfg.sample_rate = a2dp_sink.sample_rate();
+  cfg.channels = 2;
+  cfg.bits_per_sample = 16;
+  // Use your custom pins or define in AudioCodnfig.h
+  //cfg.cs_pin = VS1053_CS; 
+  //cfg.dcs_pin = VS1053_DCS;
+  //cfg.dreq_pin = VS1053_DREQ;
+  //cfg.reset_pin = VS1053_RESET;
+
+  out.begin(cfg);
+  out.end();
+}
+
+void loop() { delay(1000); }