Arduino.ru

#include <SPI.h>
#include <SD.h>

File root;

void setup()
{
  Serial.begin(9600);

  Serial.print("Initializing SD card...");

  if (!SD.begin(10)) {
    Serial.println("initialization failed!");
    return;
  }
  Serial.println("initialization done.");

  root = SD.open("/");

  printDirectory(root, 0);

  Serial.println("done!");
}

void loop()
{
 
}

void printDirectory(File dir, int numTabs) {
   while(true) {
     
     File entry =  dir.openNextFile();
     if (! entry) {
       break;
     }
     for (uint8_t i=0; i<numTabs; i++) {
       Serial.print('\t');
     }
     Serial.print(entry.name());
     if (entry.isDirectory()) {
       Serial.println("/");
       printDirectory(entry, numTabs+1);
     } else {
       Serial.print("\t\t");
       Serial.println(entry.size(), DEC);
     }
     entry.close();
   }
}