/**
  ESP32s3 adaptation by Tyeth Gundry of Arduino version of
  First demo for FT6206 Capactive Touch Screen on Wokwi. Enjoy!

  https://wokwi.com/arduino/projects/311598148845830720
 */

/***************************************************
  This is our touchscreen painting example for the Adafruit ILI9341
  captouch shield
  ----> http://www.adafruit.com/products/1947

  Check out the links above for our tutorials and wiring diagrams

  Adafruit invests time and resources providing this open source code,
  please support Adafruit and open-source hardware by purchasing
  products from Adafruit!

  Written by Limor Fried/Ladyada for Adafruit Industries.
  MIT license, all text above must be included in any redistribution
 ****************************************************/


#include <Adafruit_GFX.h>    // Core graphics library
#include <SPI.h>       // this is needed for display
#include <Adafruit_ILI9341.h>
#include <Arduino.h>      // this is needed for FT6206
#include <Adafruit_FT6206.h>


// The FT6206 uses hardware I2C (SCL/SDA)
Adafruit_FT6206 ctp = Adafruit_FT6206();

// // The display also uses hardware SPI, plus #9 & #10
// #define TFT_CS 10
// #define TFT_DC 9
#define TFT_DC 2
#define TFT_CS 15
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);


int meas;
int PIN1;
int ygscale=58;
int ylong=290;

void setup(void) {
  
  PIN1=20;
  Serial.begin(9600);
  //_______________Acquisition____________________________________
  
  pinMode(PIN1, INPUT);


  //______________________Affichage__________________________________
  //while (!Serial);     // used for leonardo debugging

  //Serial.begin(115200);
  
  Wire.setPins(10, 8); // redefine first I2C port to be on pins 10/8
  tft.begin();
  

  // if (! ctp.begin(40)) {  // pass in 'sensitivity' coefficient
  //   Serial.println("Couldn't start FT6206 touchscreen controller");
  //   while (1);
  // }
  
  //COULEUR fond d'écran: ILI9341_WHITE /RED/YELLOW/GREEN/CYAN/BLUE/MAGENTA/WHITE
  tft.fillScreen(ILI9341_BLACK);
  
  //Tracer rectangle plein
  //tft.fillRect(0, 0, BOXSIZE, BOXSIZE, ILI9341_RED);
 
  //Tracer rectangle vide
  //tft.drawRect(0, 0, BOXSIZE, BOXSIZE, ILI9341_WHITE);

  //Tracer ligne
  //tft.drawLine(20, 20, 20, 300, ILI9341_WHITE);
  
  //_______________________________________________________

  //Graphique
  //x
  //grille
  for (int i=0; i<221; i+=55){
    tft.drawLine(10+i, 20, 10+i, 310, ILI9341_RED);
  }
  //abscice
  tft.drawLine(119, 19, 119, 310, ILI9341_WHITE);
  tft.drawLine(120, 20, 120, 310, ILI9341_WHITE);
  tft.drawLine(121, 20, 121, 310, ILI9341_WHITE);



  //y
  //grille
  for (int i=0; i<ylong; i+=ygscale){
    tft.drawLine(10, 20+i, 230, 20+i, ILI9341_RED);
  }
  //Ordonnée
  tft.drawLine(10, 19, 230, 19, ILI9341_WHITE);
  tft.drawLine(10, 20, 230, 20, ILI9341_WHITE);
  tft.drawLine(10, 21, 230, 21, ILI9341_WHITE);

  //Légende V &t
  tft.setRotation(3);
  tft.setCursor(290, 130);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.println("t");

  tft.setCursor(30, 20);
  //tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.println("V");


}

int lmeas[300];
int i=0;
int k=0;
int j=1;
int h;
int dpt=5;
int inc=2;
char  color=ILI9341_CYAN;
char  colorf=ILI9341_BLACK;

void loop() {
 //delay(500);
  //________________Acquisition________________________
  meas=analogRead(PIN1);
  meas=map(meas,0,8191,10,230);


  //Serial.println(meas);


  i=i+inc;
  if (i==280){
    h=ylong-i;
    tft.fillCircle(h+inc, lmeas[j], dpt, colorf);
    i=0;
  }

  k=k+1;
  if (k==2){
    k=0;
  } 


  j=j-1; 
  if (j==-1){
    j=1;
  }  

  lmeas[k]=meas;  

  tft.fillCircle(ylong-i, lmeas[k], dpt, color);
  tft.fillCircle(ylong-i+inc, lmeas[j], dpt, colorf);
  
// /  int ygscale=58;
//   int ylong=290;
  int a=ylong-i+inc; 
  Serial.println(a);

  if(a==20+58){
    tft.fillCircle(ylong-i+inc, lmeas[j], 1, ILI9341_RED);
    
  }
    

  //__________________affichage_____________________________
  // Wait for a touch
  // if (! ctp.touched()) {
  //   return;
  // }

  // Retrieve a point  (récupérer coordonnées appui tactile)
  //TS_Point p = ctp.getPoint();
  

 

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

}





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