#include <Arduino.h>

#include <LittleFS.h>

#define AkkuLeer 0x80

void ErrorBegin(){
    if (!LittleFS.begin()) {
    Serial.println("LittleFS mount failed");
    delay(5000);
    return;
  }
}


void datenSave(int wert){
  File k = LittleFS.open("/error.dat", "w");
  if(!k){
    Serial.println("file open failed");
  }
  k.write(wert);
  k.close();
}

int readDaten()
{
  int Error;
  File k = LittleFS.open("/error.dat", "r");
  if(!k){
    Serial.println("file open failed");
    Error = 255;
  }else{
    Error = k.read();  
    k.close();
  }
  return Error;
}