#include "SPI.h"
// #include "Adafruit_GFX.h"
// #include "Adafruit_ILI9341.h"

#include <SdFat.h>
// #include <Adafruit_SPIFlash.h>    // SPI / QSPI flash library
// #include <Adafruit_ImageReader.h> // Image-reading functions

#define TFT_DC 2
#define TFT_CS 15
// Adafruit_ILI9341 tft = Adafruit_ILI9341( TFT_CS, TFT_DC );

#define SPI_SPEED SD_SCK_MHZ( 4 )
#define CS_PIN 5
SdFat sd;
// Adafruit_ImageReader reader( sd );

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");


  if ( !sd.begin( CS_PIN, SPI_SPEED ) )
  {
    if ( auto code = sd.card()->errorCode() )
    {
      Serial.println( "SD initialization failed." );
      Serial.println( ( int )code );
    }
    else if ( sd.vol()->fatType() == 0 )
    {
      Serial.println( "Can't find a valid FAT16/FAT32 partition." );
    }
    else
    {
      Serial.println( "Can't determine error type" );
    }
    return;
  }

  Serial.println( "Files on card:" );
  Serial.println( "   Size    Name" );

  sd.ls( LS_R | LS_SIZE );
  Serial.println( "end of LS" );
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}