snapshot

libraries/audio-tools/examples/tests/codecs/test-mp3_parser/test-mp3_parser.ino

@@ -0,0 +1,41 @@
+
+#include "AudioTools.h"
+#include "AudioTools/Disk/AudioSourceSD.h" // or AudioSourceIdxSD.h
+#include "AudioTools/AudioLibs/AudioBoardStream.h" // for SD pins
+
+AudioSourceSD source("/", "", PIN_AUDIO_KIT_SD_CARD_CS);
+HeaderParserMP3 mp3;
+
+void setup() {
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);  
+
+  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);
+  while (!SD.begin(PIN_AUDIO_KIT_SD_CARD_CS)) {
+       Serial.println("SD.begin failed");
+       delay(1000);
+  }
+
+  source.begin();
+
+}
+
+void loop() {
+
+  File* p_file = (File*) source.nextStream();
+  if (p_file==nullptr) stop();
+  File& file = *p_file;  
+
+  uint8_t tmp[1024];
+  int len = file.readBytes((char*)tmp, 1024);
+
+  // check if mp3 file
+  bool is_mp3 = mp3.isValid(tmp, len);
+
+  // print result
+  Serial.print(" ==> ");
+  Serial.print(file.name());
+  Serial.println(is_mp3 ? " +":" -");
+  file.close();
+
+}