/*
  Simple "Hello World" for ILI9341 LCD

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

#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
int potpin = 0;  // analog pin used to connect the potentiometer
int t;    // variable to read the value from the analog pin


#define TFT_DC 9
#define TFT_CS 10
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
#define COLOR(r, g, b) ((((r) & 0x1F) << 11) | (((g) & 0x3F) << 5) | ((b) & 0x1F))

void setup() {
  Serial.begin(115200);
    tft.begin();
    Serial.println("готов");


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

/*int color = tft.color565(map(val,0,1023,0,255),255,10);
  tft.setCursor(0,0);
  tft.fillRect(0,0,240,50,color);
  tft.drawRect(0,0,240,50,0xFFFF);*/



  // Meme reference: https://english.stackexchange.com/questions/20356/origin-of-i-can-haz
}

void loop() {
    //t = map(analogRead(potpin),0,1023,-40,40); 
         if (Serial.available() > 0) {
    String buf = Serial.readString();
 t = buf.toInt();
         }
  //  int16_t color = tft.color565(map(val,-40,40,0,255),map(val,-40,40,0,7),map(val,-40,40,255,159));
  tft.setCursor(0,0);
  //tft.fillScreen(ColorFromTemp(val));
  //tft.drawRect(0,0,240,50,0xFFFF);
  //tft.fillScreen(tft.color565(255,0,val));
  Serial.println(t);
  if (t < -10)
{tft.fillScreen(ILI9341_BLUE);}
else if (t < 0)
{tft.fillScreen(0x035F);}
else if (t < 10)
{tft.fillScreen(ILI9341_WHITE);}
else if (t < 18)
{tft.fillScreen(0x07FA);}
else if (t < 27)
{tft.fillScreen(ILI9341_GREEN);}
else if (t < 32)
{tft.fillScreen(ILI9341_YELLOW);}
else if ( t < 36)
{tft.fillScreen(ILI9341_ORANGE);}
else if (t > 35)
{tft.fillScreen(ILI9341_RED);}
  delay(10);
 }
/* uint16_t ColorFromTemp(int temp)
{
  if(temp < -10)
   temp = -10;
  else if(temp > 22)
    temp = 22;
  temp += 10;
  int r = temp;
  int g = 0;//20-temp;
  int b = 31 - temp;
  
  Serial.print("r= ");Serial.println(r);
  Serial.print("g= ");Serial.println(g);
  Serial.print("b= ");Serial.println(b);
  return COLOR(r, g, b);
}*/