// IDE : Arduino
// Ressource "Le système de fichiers d'un ESP8266"
// https://arduino-esp8266.readthedocs.io/en/latest/filesystem.html
#include <FS.h>
#include <LittleFS.h>

void setup() {
  FSInfo fs_info;

  Serial.begin(115200);
  delay(500);

  if (!LittleFS.begin()) {
    Serial.println("Une erreur est apparue lors du montage de LittleFS");
  }
  else {
    //LittleFS.format(); // RAZ zone SPI
    LittleFS.info(fs_info);
    Serial.println();
    Serial.print("Total (octets):                      ");
    Serial.println(fs_info.totalBytes);

    Serial.print("Libre(octets):                       ");
    Serial.println(fs_info.totalBytes - fs_info.usedBytes);

    Serial.print("Taille de bloc(octets):              ");
    Serial.println(fs_info.blockSize);

    Serial.print("Taille de page(octets):              ");
    Serial.println(fs_info.pageSize);

    Serial.print("Fichiers ouverts simultanément max:  ");
    Serial.println(fs_info.maxOpenFiles);

    Serial.print("Nb caractères max fich:              ");
    Serial.println(fs_info.maxPathLength);
  }

  Serial.println("Racine:");
  Dir dir = LittleFS.openDir("/");
  while (dir.next()) {
    Serial.print(dir.fileName());
    Serial.print("\t\t");
    Serial.println(dir.fileSize());
  }
}

void loop() {
  delay(100);
}