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

#define TFT_DC 9
#define TFT_CS 10
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

#define TFT_DC1 4
#define TFT_CS1 5
Adafruit_ILI9341 tft1 = Adafruit_ILI9341(TFT_CS1, TFT_DC1);

int BtStartStop = 6;
int BtReset = 7;
bool EtatBtStartStop;
bool EtatBtReset;
int EtatBoutonAppuyer;
int EtatChronoOnOFF;
int TempsEcoule;
int Milliseconde;
int Seconde;
int Minute;
int Heure;
unsigned long currentTime = 0;
unsigned long previousTime = 0;


void setup() {
  pinMode(BtStartStop, INPUT_PULLUP);
  pinMode(BtReset, INPUT_PULLUP);
    
  tft.begin();
  tft.fillScreen(ILI9341_BLACK);
  tft.setCursor(21, 10);
  tft.setTextColor(ILI9341_YELLOW,ILI9341_BLACK);
  tft.setTextSize(3);
  tft.println("CHRONOMETER");

  tft1.begin();
  tft1.fillScreen(ILI9341_BLACK);
  tft1.setCursor(21, 10);
  tft1.setTextColor(ILI9341_YELLOW,ILI9341_BLACK);
  tft1.setTextSize(3);
  tft1.println("BACKUP");
    
  tft.setCursor(21, 46);
  tft.setTextColor(ILI9341_WHITE,ILI9341_BLACK);
  tft.setTextSize(2);
  tft.println("test");
}

void loop() 
{
  EtatBtStartStop = digitalRead(BtStartStop);
  EtatBtReset = digitalRead(BtReset);
  if (EtatBtStartStop == LOW && EtatBoutonAppuyer == 0) {
    EtatBoutonAppuyer = 1;
    EtatChronoOnOFF = !EtatChronoOnOFF;
  }
  if (EtatBtReset == LOW && EtatChronoOnOFF == 0 && EtatBoutonAppuyer == 0) {
    EtatBoutonAppuyer = 1;
    Milliseconde = 0;
    Seconde = 0;
    Minute = 0;
    Heure = 0;
  }
  if (EtatBtStartStop == HIGH && EtatBtReset == HIGH) {
    EtatBoutonAppuyer = 0;
  }
  currentTime = millis();
  TempsEcoule = currentTime - previousTime;
  previousTime = millis();

  if (EtatChronoOnOFF == 1) {
    Milliseconde = Milliseconde + TempsEcoule;
    if (Milliseconde > 999) {
      Milliseconde = Milliseconde - 1000;
      Seconde++;
    }
    if (Seconde > 59) {
      Seconde = 0;
      Minute++;
    }
  }

  if (Milliseconde > 99) {
    tft.setCursor(72, 72);
    tft.println(Milliseconde);
  }
  else if (Milliseconde > 9 && Milliseconde < 100) {
    tft.setCursor(72, 72);
    tft.println("0");
    tft.setCursor(84, 72);
    tft.println(Milliseconde);
  }
  else if (Milliseconde > 0 && Milliseconde < 10) {
    tft.setCursor(84, 72);
    tft.println("00");
    tft.setCursor(96, 72);
    tft.println(Milliseconde);
  }
  else {
    tft.setCursor(60, 72);
    tft.println(":000");
  }

  tft.setCursor(24, 72);
  tft.println(":");
 
  if (Seconde < 10) {
    tft.setCursor(36, 72);
    tft.println("0");
    tft.setCursor(48, 72);
    tft.println(Seconde);
  }
  else {
    tft.setCursor(36, 72);
    tft.println(Seconde);
  }

  if (Minute < 10) {
    tft.setCursor(0, 72);
    tft.println("0");
    tft.setCursor(12, 72);
    tft.println(Minute);
  }
  else {
    tft.setCursor(0, 72);
    tft.println(Minute);
  }

tft1.setCursor(0, 72);
tft1.println(millis());

}