//////////////////////////////////////////////////////////////////////////////
///// Name : Sittinon
///// Proposition : Touch screen ILI9341
//////////////////////////////////////////////////////////////////////////////
#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
#include <Arduino.h>      // this is needed for FT6206
#include <Adafruit_FT6206.h>
#include <U8g2_for_Adafruit_GFX.h>

Adafruit_FT6206 ctp = Adafruit_FT6206();

//------------------------------
// Set the legs of the TFT screen.
#define TFT_DC 15
#define TFT_CS 5
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

#define BOXSIZE 40

//-------------------------------------------------
// Time
unsigned long previousMillis = 0;
unsigned long previousMillis_Thingspeak = 0;
const long interval = 1000;
const long interval_Thingspeak = 20000;
//-------------------------------------------------

int led = 17;
int Count = 0;

//--------------------------------
// LGB bar
const int ledCount = 10;    // the number of LEDs in the bar graph

int ledPins[] = {
  1, 2, 42, 41, 40, 35, 0, 45, 48, 47
};   // an array of pin numbers to which LEDs are attached

//--------------------------------

U8G2_FOR_ADAFRUIT_GFX u8g2_for_adafruit_gfx;

void setup() {

  Serial.begin(115200);

  while (!Serial) {
    ; // wait for serial port to connect. Needed for Leonardo native USB port only
  }
  Serial.println(F("Cap Touch Paint!"));


  pinMode(led, OUTPUT);
  
  // loop over the pin array and set them all to output:
  for (int thisLed = 0; thisLed < ledCount; thisLed++) {
    pinMode(ledPins[thisLed], OUTPUT);
  }

  //Wire.setPins(10, 8);
  tft.begin();

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

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

  tft.setCursor(20, 160);
  tft.setTextColor(ILI9341_GREEN);
  tft.setTextSize(2);
  tft.println("I can has colors?");

  //delay(2000);
  tft.fillScreen(ILI9341_BLACK);

  tft.fillRect(0, 0, BOXSIZE, BOXSIZE, ILI9341_WHITE);
  tft.setCursor(13, 18);
  tft.setTextColor(ILI9341_RED);
  tft.setTextSize(1);
  tft.println("ON!");

  tft.fillRect(BOXSIZE+3, 0, BOXSIZE, BOXSIZE, ILI9341_WHITE);
  tft.setCursor(53, 18);
  tft.setTextColor(ILI9341_RED);
  tft.setTextSize(1);
  tft.println("OFF!");

}

void loop() { 
  
  Touch();
    for (int i = 0; i <= 9; i++){
      digitalWrite(ledPins[i], LOW);
    }
}

void Touch(){

  delay(10);
  // Wait for a touch
  if (! ctp.touched()) {
    return;
  }

  TS_Point p = ctp.getPoint();

  p.x = map(p.x, 0, 240, 240, 0);
  p.y = map(p.y, 0, 320, 320, 0);

  Serial.print("("); Serial.print(p.x);
  Serial.print(", "); Serial.print(p.y);
  Serial.println(")");

  if (p.y < BOXSIZE){
    if (p.x < 40){
      digitalWrite(led, HIGH);
    }
    else if (p.x < 40*2){
      digitalWrite(led, LOW);
    }
    else if (p.x < 40*3 || p.x < 40*4){
      Count++;
      if(Count > 1)
        Count = 0;
    }
  }


}