// includem libraria SD
#include <SPI.h>
#include <SD.h>

// setam variabilele folosind functiile din libraria SD
Sd2Card card;
SdVolume volume;
SdFile root;

// setam pin-ul ce este folosit pentru cardul SD
const int chipSelect = 10;

void setup() {
  // deschidem comunicarea seriala
  Serial.begin(9600);
  while (!Serial) {
    ; // asteptam pornirea comunicarii seriale
  }


  Serial.print("\nInitializing SD card...");

  // Testam initializarea cardului
  if (!card.init(SPI_HALF_SPEED, chipSelect)) {
    Serial.println("initialization failed. Things to check:");
    Serial.println("* is a card inserted?");
    Serial.println("* is your wiring correct?");
    Serial.println("* did you change the chipSelect pin to match your shield or module?");
    return;
  } else {
    Serial.println("Wiring is correct and a card is present.");
  }

  // afisam numele cardului
  Serial.print("\nCard type: ");
  switch (card.type()) {
    case SD_CARD_TYPE_SD1:
      Serial.println("SD1");
      break;
    case SD_CARD_TYPE_SD2:
      Serial.println("SD2");
      break;
    case SD_CARD_TYPE_SDHC:
      Serial.println("SDHC");
      break;
    default:
      Serial.println("Unknown");
  }

  // Incercam sa deschidem prima partitie
  if (!volume.init(card)) {
    Serial.println("Could not find FAT16/FAT32 partition.\nMake sure you've formatted the card");
    return;
  }


  // Afisam tipul si marimea primei partitii FAT
  uint32_t volumesize;
  Serial.print("\nVolume type is FAT");
  Serial.println(volume.fatType(), DEC);
  Serial.println();

  volumesize = volume.blocksPerCluster();    
  volumesize *= volume.clusterCount();       
  volumesize *= 512;                            
  Serial.print("Volume size (bytes): ");
  Serial.println(volumesize);
  Serial.print("Volume size (Kbytes): ");
  volumesize /= 1024;
  Serial.println(volumesize);
  Serial.print("Volume size (Mbytes): ");
  volumesize /= 1024;
  Serial.println(volumesize);


  Serial.println("\nFiles found on the card (name, date and size in bytes): ");
  root.openRoot(volume);

  // listam toate fisierele de pe card cu data si marimea
  root.ls(LS_R | LS_DATE | LS_SIZE);
}


void loop(void) {

}