//-----------------------------------------------------------------
QList<QFileInfo> Utils::findFiles(const QDir initialDir,
const QStringList extensions,
bool with_subdirectories,
const std::function<bool (const QFileInfo &)> &condition)
{
QList<QFileInfo> otherFilesFound, mp3FilesFound;
auto startingDir = initialDir;
startingDir.setFilter(QDir::Files | QDir::Dirs | QDir::NoDot | QDir::NoDotDot);
startingDir.setNameFilters(extensions);
auto flag = (with_subdirectories ? QDirIterator::Subdirectories : QDirIterator::NoIteratorFlags);
QDirIterator it(startingDir, flag);
while (it.hasNext())
{
it.next();
auto info = it.fileInfo();
if(!condition(info)) continue;
auto extension = info.absoluteFilePath().split('.').last().toLower();
if (isMP3File(info))
{
mp3FilesFound << info;
}
else
{
otherFilesFound << info;
}
}
return mp3FilesFound + otherFilesFound;
}
boolean Adafruit_VS1053_FilePlayer::startPlayingFile(const char *trackname) {
// reset playback
sciWrite(VS1053_REG_MODE, VS1053_MODE_SM_LINE1 | VS1053_MODE_SM_SDINEW);
// resync
sciWrite(VS1053_REG_WRAMADDR, 0x1e29);
sciWrite(VS1053_REG_WRAM, 0);
currentTrack = SD.open(trackname);
if (!currentTrack) {
return false;
}
// We know we have a valid file. Check if .mp3
// If so, check for ID3 tag and jump it if present.
if (isMP3File(trackname)) {
currentTrack.seek(mp3_ID3Jumper(currentTrack));
}
// don't let the IRQ get triggered by accident here
noInterrupts();
// As explained in datasheet, set twice 0 in REG_DECODETIME to set time back to 0
sciWrite(VS1053_REG_DECODETIME, 0x00);
sciWrite(VS1053_REG_DECODETIME, 0x00);
playingMusic = true;
// wait till its ready for data
while (! readyForData() ) {
#if defined(ESP8266)
yield();
#endif
}
// fill it up!
while (playingMusic && readyForData()) {
feedBuffer();
}
// ok going forward, we can use the IRQ
interrupts();
return true;
}
