/*
  Simple "Hello World" for ILI9341 LCD

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


#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 mlist1 "DC ATS SYSTEM"

uint8_t mode = 0;
#define bt1 8
bool valA1 = 1;
bool valB1 = 1;
void setup() { 
   tft.begin();
  pinMode(bt1, INPUT_PULLUP);
}
void loop() {
 valB1 = digitalRead(bt1);
if(mode == 0){
  tft.setRotation(3); 
  tft.setCursor(55, 15);
  tft.setTextColor(0xFFE0);
  tft.setTextSize(3);
  tft.println(mlist1);
  if(valA1 == 1 && valB1 == 0){
    if(valA1 == 0 && valB1 == 1){
      tft.fillScreen(ILI9341_BLACK);
      mode = 1;
     }
  }
  valA1 = valB1;
}
if(mode == 1){
  
  tft.setCursor(20, 70);
  tft.setTextColor(ILI9341_GREEN);
  tft.setTextSize(2);
  tft.println("Volt source 1   12V");
  
  tft.setTextColor(ILI9341_RED);
  tft.setCursor(20, 100);
  tft.println("Volt source 2   15V");

  tft.setCursor(20, 130);
  tft.setTextColor(ILI9341_RED);
  tft.println("Volt Output 1   15V");
  if(valA1 == 1 && valB1 == 0){
    if(valA1 == 0 && valB1 == 1){
      tft.fillScreen(ILI9341_BLACK);
      mode = 0;
    }
  }
  valA1 = valB1;
}

}
  */

#include "SPI.h" // SPI display
#include "Adafruit_GFX.h" // Adafruit graphics
#include "Adafruit_ILI9341.h" // ILI9341 screen controller
float pre_time = 0;
float curr_time = 0;
float secounds = 0.5;

// pin definitions
#define TFT_DC 9
#define TFT_CS 10
Adafruit_ILI9341 tft=Adafruit_ILI9341(TFT_CS, TFT_DC); // hardware SPI
int mode = 0;
#define ledstate 7
void setup(){
tft.begin();
pinMode(ledstate, OUTPUT);
tft.setTextWrap(false); // Don't wrap text to next line
tft.setTextSize(1); // large letters
tft.setRotation(4); // horizontal display
}
void loop(){
  digitalWrite(ledstate,(millis()/300)%2);
  
  curr_time=millis();
  if((curr_time-pre_time) >= 100){
     secounds = secounds-0.5; 
    pre_time=curr_time;
  }
  if(secounds == 0){
    mode++;
    secounds = 0.5;
  }
  if(mode == 3){mode = 0;}
  if(mode == 0){
    tft.setTextColor(ILI9341_GREEN);
    tft.setCursor(50, 50);
    tft.print(">>");
    tft.setTextColor(ILI9341_BLACK);
    tft.setCursor(60, 50);
    tft.print(">>");
    tft.setCursor(70, 50);
    tft.print(">>");
}
  if(mode == 1){
    tft.setTextColor(ILI9341_GREEN);
    tft.setCursor(60, 50);
    tft.print(">>");
    tft.setTextColor(ILI9341_BLACK);
    tft.setCursor(50, 50);  
    tft.print(">>");
    tft.setCursor(70, 50);
    tft.print(">>");
}
  if(mode == 2){
    tft.setTextColor(ILI9341_GREEN);
    tft.setCursor(70, 50);
    tft.print(">>");
    tft.setTextColor(ILI9341_BLACK);
    tft.setCursor(50, 50);  
    tft.print(">>");
    tft.setCursor(60, 50);
    tft.print(">>");
  }
  
}