void SD_ListFiles(void)
{
Serial.begin(9600);
while (!Serial) {}
delay(1000);
Serial.println();
while (file.openNext(sdf.vwd(), O_READ)) {
file.printFileSize(&Serial);
Serial.write(' ');
file.printModifyDateTime(&Serial);
Serial.write(' ');
file.printName(&Serial);
if (file.isDir()) {
// Indicate a directory.
Serial.write('/');
}
Serial.println();
file.close();
}
}
