*/ 
#include <Adafruit_GFX.h>         
#include <Adafruit_TFTLCD.h>   
#include <TouchScreen.h> 
#if defined(__SAM3X8E__) 
#undef __FlashStringHelper::F(string_literal) 
#define F(string_literal) string_literal 
#endif 
#define YP A3   
#define XM A2   
#define YM 9    
#define XP 8    
#define TS_MINX 150 
#define TS_MINY 120 
#define TS_MAXX 920 
#define TS_MAXY 940 
TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300); 
#define LCD_CS A3 
#define LCD_CD A2 
#define LCD_WR A1 
#define LCD_RD A0 
#define LCD_RESET A4 
#define  BLACK   0x0000 
#define BLUE    0x001F 
#define RED     0xF800 
Lab # 11 Graphical LCD interfacing with Arduino 
#define GREEN   0x07E0 
#define CYAN    0x07FF 
#define MAGENTA 0xF81F 
#define YELLOW  0xFFE0 
#define WHITE   0xFFFF 
Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET); 
#define BOXSIZE 40 
#define PENRADIUS 3 
int oldcolor, currentcolor; 
void setup(void) { 
Serial.begin(9600); 
Serial.println(F("Paint!")); 
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 == 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 { 
Serial.print(F("Unknown LCD driver chip: ")); 
Serial.println(identifier, HEX); 
Serial.println(F("If using the Adafruit 2.4\" TFT Arduino shield, the line:")); 
Serial.println(F("  #define USE_ADAFRUIT_SHIELD_PINOUT")); 
Serial.println(F("should appear in the library header (Adafruit_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.")); 
return; 
} 
tft.begin(identifier); 
tft.fillScreen(BLACK); 
tft.fillRect(70, 64, 100, 50, GREEN); 
tft.fillRect(30, 230, 170, 60, BLUE); 
currentcolor = RED; 
pinMode(13, OUTPUT); 
Serial.print(tft.width());Serial.print(" , "); 
Serial.println(tft.height()); 
} 
#define MINPRESSURE 10 
#define MAXPRESSURE 1000 
unsigned int counter=0; 
void loop() 
{ 
digitalWrite(13, HIGH); 
TSPoint p = ts.getPoint(); 
digitalWrite(13, LOW); 
pinMode(XM, OUTPUT); 
pinMode(YP, OUTPUT); 
if (p.z > MINPRESSURE && p.z < MAXPRESSURE) { 
p.x = map(p.x, TS_MINX, TS_MAXX, tft.width(), 0); 
p.y = map(p.y, TS_MINY, TS_MAXY, tft.height(), 0); 
Serial.print("X : ");Serial.print(p.x);Serial.print(" Y : ");Serial.println(p.y); 
tft.setTextColor(YELLOW); 
tft.setCursor(50, 250); 
tft.setTextSize(3); 
tft.println("PRESS Me"); 
if(p.y>230&&p.y<230+60 && p.x>30&&p.x<30+170)//tft.fillRect(30, 230, 170, 60, BLUE); 
{ 
tft.fillRect(70, 64, 100, 50, GREEN); 
Serial.println("Touched"); 
tft.setTextColor(RED); 
tft.setCursor(80, 75); 
tft.setTextSize(4); 
counter++; 
String nv=""; 
nv=nv+counter; 
Serial.println(nv); 
tft.println(nv); 
check_debounce(); 
} 
delay(100); 
} 
}  
void check_debounce() 
{ 
keep_going: 
TSPoint p = ts.getPoint(); 
if (p.z > MINPRESSURE && p.z < MAXPRESSURE) { 
p.x = map(p.x, TS_MINX, TS_MAXX, tft.width(), 0); 
p.y = map(p.y, TS_MINY, TS_MAXY, tft.height(), 0); 
Serial.print("X : ");Serial.print(p.x);Serial.print(" Y : ");Serial.println(p.y);  
delay(10); 
goto keep_going; 
} 
delay(100); 
}