/*
  Simple "Hello World" for ILI9341 LCD

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


ESP32     display
  3v3         VCC
  GND         GND
  5           TFT_CS
  25          TFT_RESET
  2           TFT_DC
  23          MOSI
  18          SCK
  3v3         LED
  19          MISO

  ESP32         Encoder
  32            select button 1
  GND           select button 2
  27            encoder direction 1
  33            encoder direction 2
  GND           encoder dir ground

// For the Adafruit shield, these are the default.
#define TFT_RST 8
#define TFT_DC 9
#define TFT_CS 10
 
// Use hardware SPI (on Uno, #13, #12, #11) and the above for CS/DC
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_RST);
// If using the breakout, change pins as desired
//Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST, TFT_MISO);


*/

#include "Adafruit_GFX.h"
#include <SPI.h>
#include "Adafruit_ILI9341.h"
#include <Arduino.h>      // this is needed for FT6206
#include "Adafruit_FT6206.h"

// ----------- Dokunmatik touchpad  tanımlama
// The FT6206 uses hardware I2C (SCL/SDA)
Adafruit_FT6206 ctp = Adafruit_FT6206(); 

// The display also uses hardware SPI, plus #9 & #10
#define TFT_CS 5
#define TFT_DC 2
#define TFT_MOSI 23
#define TFT_SCLK 18
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);


#define cy tft.height()/2
#define cx tft.width()/2


void setup() {

  Serial.begin(115200);
  Serial.println(F("Cap Touch Paint!"));
  
  Wire.setPins(21,22); // SDA:10 SCL:8 redefine first I2C port to be on pins 10/8
  Wire.begin();
  tft.begin();


  if (! ctp.begin(40)) {  // pass in 'sensitivity' coefficient
    Serial.println("Couldn't start FT6206 touchscreen controller");
    while (1);
  }


  Serial.println("Capacitive touchscreen started");
  
 //Ekrana beyaz tabanda hello yazdırma
  tft.fillScreen(0xFFFF); 
  tft.setCursor(45,cy);
  tft.setTextColor(ILI9341_GREEN);
  tft.setTextSize(4);
  tft.println("HELLO");
  delay(3000);
  tft.fillScreen(0x0000); 

}


void loop(){

HOME(); if (! ctp.touched()) {  return;  } 
MENU(); if (! ctp.touched()) {  return;  } 
BUTTONS(); if (! ctp.touched()) {  return;  } 
DISP(); if (! ctp.touched()) {  return;  } 

// delay(10);             //10 bekle
  // Wait for a touch
  if (! ctp.touched()) {   // Ekrana basıldığında alt satırları işle
    return;
  }


// Retrieve a point         Dokunmatikten değer okuma ve seri port ile yazdırma
  TS_Point p = ctp.getPoint();
  
  // Print out raw data from screen touch controller
  Serial.print("X = "); Serial.print(p.x);
  Serial.print("\tY = "); Serial.print(p.y);
  Serial.print(" -> ");

  // flip it around to match the screen.
  p.x = map(p.x, 0, 240, 240, 0);
  p.y = map(p.y, 0, 320, 320, 0);

  // Print out the remapped (rotated) coordinates
  Serial.print("("); Serial.print(p.x);
  Serial.print(", "); Serial.print(p.y);
  Serial.println(")");



}


void HOME(){

  int16_t cxb = tft.width()/2 + 10;  //offset x 
  int16_t cyb = tft.height()/2; // offset y
  tft.setCursor(cxb - 48,10);
  tft.setTextColor(ILI9341_RED);
  tft.setTextSize(3);
  tft.println("HOME"); //18 x 96?

  tft.fillRect(10,(cyb+8),128,25,ILI9341_YELLOW); 
  tft.setCursor(24,(cyb+10));
  tft.setTextColor(ILI9341_BLACK);
  //@param  s  Desired text size. 1 is default 6x8, 2 is 12x16, 3 is 18x24, etc
  tft.setTextSize(2);
  tft.println("1.Display");

  tft.fillRect(10,(cyb+38),128,25,ILI9341_YELLOW); 
  tft.setCursor(20,(cyb+40));
  tft.setTextColor(ILI9341_BLACK);
  tft.setTextSize(3);
  tft.println("2.Menu");

  tft.fillRect(10,(cyb+68),128,25,ILI9341_YELLOW); 
  tft.setCursor(20,(cyb+70));
  tft.setTextColor(ILI9341_BLACK);
  tft.setTextSize(3);
  tft.println("3.Info");

  //SELECTION BOXES
  tft.drawRect(10,(cyb+8),128,25,ILI9341_WHITE); 
  tft.drawRect(10,(cyb+38),128,25,ILI9341_WHITE); 
  tft.drawRect(10,(cyb+68),128,25,ILI9341_WHITE); 
}

void DISP(){
  
  tft.setCursor(10,10);
  tft.setTextColor(ILI9341_RED);
  tft.setTextSize(3);
  tft.println("Live Display");

  tft.setCursor(10,(cy-100));
  tft.setTextColor(ILI9341_BLUE);
  tft.setTextSize(6);
  tft.println("273.5k");

  tft.fillRect(10,(cy+8),128,25,ILI9341_YELLOW); 
  tft.setCursor(20,(cy+10));
  tft.setTextColor(ILI9341_BLACK);
  //@param  s  Desired text size. 1 is default 6x8, 2 is 12x16, 3 is 18x24, etc
  tft.setTextSize(3);
  tft.println("1.TEMP");

  tft.fillRect(10,(cy+38),128,25,ILI9341_YELLOW); 
  tft.setCursor(20,(cy+40));
  tft.setTextColor(ILI9341_BLACK);
  tft.setTextSize(3);
  tft.println("2.VOLT");
  
}

void MENU(){

  int16_t cxb = tft.width()/2 + 10;  //offset x 
  int16_t cyb = tft.height()/2; // offset y
  tft.fillRect(10,(cyb+8),128,25,ILI9341_YELLOW); 
  tft.setCursor(20,(cyb+10));
  tft.setTextColor(ILI9341_BLACK);
  //@param  s  Desired text size. 1 is default 6x8, 2 is 12x16, 3 is 18x24, etc
  tft.setTextSize(2);
  tft.println("1.CH1");

  tft.fillRect(10,(cyb+38),128,25,ILI9341_YELLOW); 
  tft.setCursor(20,(cyb+40));
  tft.setTextColor(ILI9341_BLACK);
  tft.setTextSize(3);
  tft.println("2.CH2");
}
void BUTTONS(){

  int16_t cxb = tft.width()/2 + 10;  //offset x 
  int16_t cyb = tft.height()/2; // offset y
  tft.fillRoundRect((cxb+50),(cyb+40),30,30,5,ILI9341_GREEN);
  //height = 23
  tft.fillTriangle((cxb+50),(cyb+38),(cxb+80),(cyb+38),(cxb+65),(cyb+15),ILI9341_GREEN);//top
  tft.fillTriangle((cxb+50),(cyb+72),(cxb+80),(cyb+72),(cxb+65),(cyb+95),ILI9341_GREEN);//bot
  tft.fillTriangle((cxb+48),(cyb+40),(cxb+25),(cyb+55),(cxb+48),(cyb+70),ILI9341_GREEN);//left
  tft.fillTriangle((cxb+82),(cyb+40),(cxb+105),(cyb+55),(cxb+82),(cyb+70),ILI9341_GREEN);//right
}