/** * @file mp3-SynchronizedRingBuffer.ino * @author Phil Schatzmann * @brief Performance test for mp3 decoding form SD on core 1 * @version 0.1 * @date 2022-12-06 * * @copyright Copyright (c) 2022 * */ #include "AudioTools.h" #include "AudioTools/Disk/AudioSourceSDFAT.h" #include "AudioTools/AudioCodecs/CodecMP3Helix.h" #include "AudioTools/AudioLibs/AudioBoardStream.h" const char *startFilePath="/"; const char* ext="mp3"; AudioSourceSDFAT source(startFilePath, ext, PIN_AUDIO_KIT_SD_CARD_CS); MP3DecoderHelix decoder; MeasuringStream out; AudioPlayer player(source, out, decoder); int count=0; void setup() { Serial.begin(115200); AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning); // sd_active is setting up SPI with the right SD pins by calling 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); // setup player player.setDelayIfOutputFull(0); player.setVolume(0.1); player.begin(); } void loop() { player.copy(); count++; if (count==100){ Serial.println(out.bytesPerSecond()/32); count = 0; } }