LCDscreen

// Facial expression animations on ELEGOO TFT LCD screen for Minibot

#include <Elegoo_GFX.h>    // Core graphics library
#include <Elegoo_TFTLCD.h> // Hardware-specific library
#include <TouchScreen.h>

//--------------------- define ----------------------------
#if defined(__SAM3X8E__)
    #undef __FlashStringHelper::F(string_literal)
    #define F(string_literal) string_literal
#endif

#define YP A3  // must be an analog pin, use "An" notation!
#define XM A2  // must be an analog pin, use "An" notation!
#define YM 9   // can be a digital pin
#define XP 8   // can be a digital pin

#define TS_MINX 120
#define TS_MAXX 900

#define TS_MINY 70
#define TS_MAXY 920

// For better pressure precision, we need to know the resistance
// between X+ and X- Use any multimeter to read it
// For the one we're using, its 300 ohms across the X plate
TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);

#define LCD_CS A3
#define LCD_CD A2
#define LCD_WR A1
#define LCD_RD A0
// optional
#define LCD_RESET A4

// Assign human-readable names to some common 16-bit color values:
#define  BLACK   0x0000
#define BLUE    0x001F
#define RED     0xF800
#define GREEN   0x07E0
#define CYAN    0x07FF
#define MAGENTA 0xF81F
#define YELLOW  0xFFE0
#define WHITE   0xFFFF


Elegoo_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);

#define BOXSIZE 40

//------------------- define functions -----------------------
void Angry(){
  tft.fillRect(100, 120, BOXSIZE, BOXSIZE, RED);
  tft.fillRect(100, 240, BOXSIZE, BOXSIZE, RED);
  
  delay(1000);

  tft.fillRect(100, 120, BOXSIZE, BOXSIZE, YELLOW);
  tft.fillRect(100, 240, BOXSIZE, BOXSIZE, YELLOW);
}
void Blink(){
   tft.fillRect(110, 120, BOXSIZE, BOXSIZE, BLACK);
   tft.fillRect(110, 240, BOXSIZE, BOXSIZE, BLACK);

   delay(1000);

   tft.fillRect(100, 120, BOXSIZE, BOXSIZE, YELLOW);
   tft.fillRect(100, 240, BOXSIZE, BOXSIZE, YELLOW);
}
void Cry(){
  tft.fillRect(100, 120, 10, BOXSIZE, BLUE);
  tft.fillRect(100, 240, 10, BOXSIZE, BLUE);
  delay(500);
  tft.fillRect(80, 120, 20, 10, BLUE);
  tft.fillRect(80, 270, 20, 10, BLUE);
  delay(500);
  tft.fillRect(60, 120, 20, 10, BLUE);
  tft.fillRect(60, 270, 20, 10, BLUE);
  delay(500);
  tft.fillRect(40, 120, 20, 10, BLUE);
  tft.fillRect(40, 270, 20, 10, BLUE);
  delay(500);
  tft.fillRect(20, 120, 20, 10, BLUE);
  tft.fillRect(20, 270, 20, 10, BLUE);
  delay(500);
  tft.fillRect(00, 120, 20, 10, BLUE);
  tft.fillRect(00, 270, 20, 10, BLUE);
}

void Correct(){
   tft.fillRect(90, 110, 60, 60, GREEN);
   tft.fillRect(90, 230, 60, 60, GREEN);

   delay(1000);

   tft.fillRect(90, 110, 60, 60, BLACK);
   tft.fillRect(90, 230, 60, 60, BLACK);
   tft.fillRect(100, 120, BOXSIZE, BOXSIZE, YELLOW);
   tft.fillRect(100, 240, BOXSIZE, BOXSIZE, YELLOW);
}

void Sketchy(){
   tft.fillRect(90, 110, 60, 60, BLACK);
   tft.fillRect(90, 230, 60, 60, BLACK);
   tft.fillRect(110, 120, 20, BOXSIZE, YELLOW);
   tft.fillRect(110, 240, 20, BOXSIZE, YELLOW);
   delay(1000);
   tft.fillRect(110, 140, 20, 20, BLACK);
   tft.fillRect(110, 260, 20, 20, BLACK);
   delay(500);
   tft.fillRect(110, 120, 20, BOXSIZE, YELLOW);
   tft.fillRect(110, 240, 20, BOXSIZE, YELLOW);
   tft.fillRect(110, 120, 20, 20, BLACK);
   tft.fillRect(110, 240, 20, 20, BLACK);
   delay(1000);
   tft.fillRect(110, 120, 20, BOXSIZE, YELLOW);
   tft.fillRect(110, 240, 20, BOXSIZE, YELLOW);
}

//-------------- code from tutorial/manual -------------------
void setup(void) {
  Serial.begin(9600);
  Serial.println(F("Pet me"));
  
  tft.reset();
  
  uint16_t identifier = tft.readID();
  if(identifier == 0x9325) {
    Serial.println(F("Found ILI9325 LCD driver"));
  } else if(identifier == 0x9328) {
    Serial.println(F("Found ILI9328 LCD driver"));
  } else if(identifier == 0x4535) {
    Serial.println(F("Found LGDP4535 LCD driver"));
  }else if(identifier == 0x7575) {
    Serial.println(F("Found HX8347G LCD driver"));
  } else if(identifier == 0x9341) {
    Serial.println(F("Found ILI9341 LCD driver"));
  } else if(identifier == 0x8357) {
    Serial.println(F("Found HX8357D LCD driver"));
  } else if(identifier==0x0101)
  {     
      identifier=0x9341;
       Serial.println(F("Found 0x9341 LCD driver"));
  }else {
    Serial.print(F("Unknown LCD driver chip: "));
    Serial.println(identifier, HEX);
    Serial.println(F("If using the Elegoo 2.8\" TFT Arduino shield, the line:"));
    Serial.println(F("  #define USE_Elegoo_SHIELD_PINOUT"));
    Serial.println(F("should appear in the library header (Elegoo_TFT.h)."));
    Serial.println(F("If using the breakout board, it should NOT be #defined!"));
    Serial.println(F("Also if using the breakout, double-check that all wiring"));
    Serial.println(F("matches the tutorial."));
    identifier=0x9341;
   
  }

//--------------------- setup screen -------------------------
  tft.begin(identifier);
  tft.setRotation(2);

  tft.fillScreen(BLACK);

  tft.fillRect(100, 120, BOXSIZE, BOXSIZE, YELLOW);
  tft.fillRect(100, 240, BOXSIZE, BOXSIZE, YELLOW);

  delay(1000);
  pinMode(13, OUTPUT);
}

 //--------------------- touchscreen -------------------------
#define MINPRESSURE 10
#define MAXPRESSURE 1000
#define MEDPRESSURE 500
int counter = 0;

void loop()
{
  digitalWrite(13, HIGH);
  TSPoint p = ts.getPoint();
  digitalWrite(13, LOW);

  //pinMode(XP, OUTPUT);
  pinMode(XM, OUTPUT);
  pinMode(YP, OUTPUT);
  //pinMode(YM, OUTPUT);

  if (p.z > MINPRESSURE && p.z < MAXPRESSURE) {
      
      counter++;
      if (counter == 5){
        Angry();
        counter = 0;
      }
      Blink();
  }
}