#include <SD.h>

#define SPI_SPEED SD_SCK_MHZ(4)
#define CS_PIN 10


File dataFile;
void setup() {
  Serial.begin(115200);
  
 if (!SD.begin(10)) {
    Serial.println("initialization failed!");
    return;
  }



dataFile = SD.open("DRAWings.dst", FILE_READ);
int count = 0;
 if (dataFile) {
    Serial.println("DRAWings.dst:");
    dataFile.seek(512);
    while (dataFile.available() && count < 10 ) {   // the count is just for test
      count++;
      Serial.print("1:");
    	Serial.print(dataFile.read(),HEX);
      Serial.print("\t2:");
      Serial.print(dataFile.read(),HEX);
      Serial.print("\t3:");
      Serial.print(dataFile.read(),HEX);
      Serial.println();
    }
 }
dataFile.close();
}

void loop() {
}