/*
  Simple "Hello World" for ILI9341 LCD

  https://wokwi.com/arduino/projects/308024602434470466
*/

#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
#include <EEPROM.h>
  
#define PIN_TASTER_2 2
#define TFT_DC 9
#define TFT_CS 10
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
//int interval = 5;  //Counter refresh and save interval

int wh_start, wh_total;
int pulseCount, crontimer;

void setup() {
  tft.begin();

  tft.setCursor(26, 120);
  tft.setTextColor(ILI9341_RED);
  tft.setTextSize(3);
  tft.println("Hello, TFT!");

  tft.setCursor(0, 0);
  tft.setTextColor(ILI9341_GREEN);
  tft.setTextSize(2);
  //tft.println("I can has colors?");
  pinMode(PIN_TASTER_2, INPUT_PULLUP);
  // Meme reference: https://english.stackexchange.com/questions/20356/origin-of-i-can-haz
}
void loop() { 
  int zustandTaster = digitalRead(PIN_TASTER_2);
  if (zustandTaster == LOW) {
    tft.fillScreen(ILI9341_BLACK);
    //crontimer = millis() / 1000;
    wh_total++;
    //save_counter(0, wh_total);
    //pulseCount = 0;

    //tft.print("Start Wh: ");
   // tft.println(wh_start);
   tft.setCursor(26, 0);
    tft.print("Total Wh: ");
    tft.println(wh_total);
    tft.println("================");
    
     delay(1000);
    
  }
}

int read_counter(int address)
{
  long byte_2 = EEPROM.read(address);
  long byte_1 = EEPROM.read(address + 1);
  return ((byte_2 << 0) & 0xFFFFFF) + ((byte_1 << 8) & 0xFFFFFFFF);
}

void save_counter(int address, int value)
{
  byte byte_2 = (value & 0xFF);
  byte byte_1 = ((value >> 8) & 0xFF);
  EEPROM.update(address, byte_2);
  EEPROM.update(address + 1, byte_1);
}

void onPulse()
{
  pulseCount++;
  wh_start++;
}