} else if(cardType == CARD_SD){

Serial.println("SDSC");

} else if(cardType == CARD_SDHC){

Serial.println("SDHC");

} else {

Serial.println("UNKNOWN");

}

uint64_t cardSize = SD_MMC.cardSize() / (1024 * 1024);

Serial.printf("SD_MMC Card Size: %lluMB\n", cardSize);

//Print filelist

listDir(SD_MMC, "/", 0);

//Create a folder named mydir in the root

createDir(SD_MMC, "/mydir");

//Print file list and the folder mydir is available

listDir(SD_MMC, "/", 0);

//Delete the folder mydir

removeDir(SD_MMC, "/mydir");

//Print file list and the folder mydir be cleared away

listDir(SD_MMC, "/", 2);

//Create a file hello.txt and white Hello into the file

writeFile(SD_MMC, "/hello.txt", "Hello ");

//Append World!\r to the end of Hello in the hello.txt

appendFile(SD_MMC, "/hello.txt", "World!\n");

//Read hello.txt and its content "Hello World!" will be printed to the Se

rial Port

readFile(SD_MMC, "/hello.txt");

//Delete foo.txt in the SD card

deleteFile(SD_MMC, "/foo.txt");

//Rename hello.txt as foo.txt

renameFile(SD_MMC, "/hello.txt", "/foo.txt");

//Read foo.txtand its contentHello World! will be printed to the Serial P

ort

readFile(SD_MMC, "/foo.txt");

//Test Read&White speed in SD card