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(); } }