snapshot

libraries/audio-tools/examples/tests/player/test-vector-source/test-vector-source.ino

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+#include "AudioTools.h"
+#include "AudioTools/Disk/AudioSource.h"
+#include "SdFat.h"
+#include "SPI.h"
+
+#define PIN_AUDIO_KIT_SD_CARD_CS 13
+#define PIN_AUDIO_KIT_SD_CARD_MISO 2
+#define PIN_AUDIO_KIT_SD_CARD_MOSI 15
+#define PIN_AUDIO_KIT_SD_CARD_CLK 14
+
+// SDFAT objects
+SdFat sd;
+File32 file;
+const char* path = "/Bob Dylan/Bringing It All Back Home";
+
+// Audio objects
+AudioSourceVector<File32> audioSource;
+NamePrinter namePrinter(audioSource, path);
+File32 audioFile;
+
+// Callback to convert file path to stream for AudioSourceVector
+File32* fileToStream(const char* path, File32& oldFile) {
+  oldFile.close();
+  audioFile.open(path);
+
+  if (!audioFile) {
+    Serial.print("Failed to open: ");
+    Serial.println(path);
+    return nullptr;
+  }
+  return &audioFile;
+}
+
+void setup() {
+  Serial.begin(115200);
+  AudioLogger::instance().begin(Serial, AudioLogger::Info);
+
+  Serial.println("AudioSourceVector with SDFAT Test");
+
+  // Initialize SD card
+  SPI.begin(PIN_AUDIO_KIT_SD_CARD_CLK, PIN_AUDIO_KIT_SD_CARD_MISO, PIN_AUDIO_KIT_SD_CARD_MOSI, PIN_AUDIO_KIT_SD_CARD_CS);
+  if (!sd.begin(PIN_AUDIO_KIT_SD_CARD_CS, SPI_HALF_SPEED)) {
+    Serial.println("SD card initialization failed!");
+    return;
+  }
+  Serial.println("SD card initialized successfully");
+
+  Serial.println("\n--- Collecting audio files from SD card ---");
+
+  // Set up the callback for AudioSourceVector
+  audioSource.setNameToStreamCallback(fileToStream);
+
+  // Use SDFAT's ls method to list files and automatically add them via NamePrinter
+  // This will print each file name, and NamePrinter will capture each line
+  // and call audioSource.addName() for each file
+  auto dir = sd.open(path, FILE_READ);
+  dir.ls(&namePrinter, 0);
+  dir.close();
+
+  Serial.print("\nTotal files collected: ");
+  Serial.println(audioSource.size());
+
+  // Display collected files
+  Serial.println("\n--- Collected Files ---");
+  for (int i = 0; i < audioSource.size(); i++) {
+    Serial.print(i);
+    Serial.print(": ");
+    Serial.println(audioSource.name(i));
+  }
+
+  // Test navigation
+  if (audioSource.size() > 0) {
+    Serial.println("\n--- Testing AudioSource Navigation ---");
+
+    // Start playback simulation
+    audioSource.begin();
+
+    // Select first file
+    File32* stream = audioSource.selectStream(0);
+    if (stream) {
+      Serial.print("Selected file 0: ");
+      Serial.println(audioSource.toStr());
+      stream->close();
+    }
+
+    // Try next file
+    if (audioSource.size() > 1) {
+      stream = audioSource.nextStream(1);
+      if (stream) {
+        Serial.print("Next file: ");
+        Serial.println(audioSource.toStr());
+        stream->close();
+      }
+    }
+
+    // Test selectStream by path
+    if (audioSource.size() > 0) {
+      const char* firstFile = audioSource.name(0);
+      Serial.print("Selecting by path: ");
+      Serial.println(firstFile);
+
+      stream = audioSource.selectStream(firstFile);
+      if (stream) {
+        Serial.println("Successfully selected by path!");
+        stream->close();
+      } else {
+        Serial.println("Failed to select by path");
+      }
+    }
+  }
+
+  Serial.println("\nTest completed!");
+}
+
+void loop() {
+  // Nothing to do in loop for this test
+  delay(1000);
+}