//In the Arduino sketch following libraries need to be essentially included.
#include “Adafruit_GFX.h”#include “MCUFRIEND_kbv.h”

//The following libraries can be included depending upon their requirement in the application.
//#include “TouchScreen.h” // only when you want to use touch screen
//#include “bitmap_mono.h” // when you want to display a bitmap image from library
//#include “bitmap_RGB.h” // when you want to display a bitmap image from library
#include “Fonts/FreeSans9pt7b.h”    // when you want other fonts
#include “Fonts/FreeSans12pt7b.h” // when you want other fonts
#include “Fonts/FreeSerif12pt7b.h” // when you want other fonts
#include “FreeDefaultFonts.h” // when you want other fonts
#include “SPI.h”  // using sdcard for display bitmap image
//#include “SD.h”


//First of all, an object of the MCUFRIEND_kbv class needs to be instantiated to provide SPI communication between LCD and Arduino.
MCUFRIEND_kbv tft;

//To start the TFT LCD, its ID needs to be read and supplied to begin() method.
uint16_t ID = tft.readID();
tft.begin(ID);

//The resolution of the TFT screen can be determined using the following code.
screen_width = tft.width(); //int16_t width(void);
Serial.print(“TFT LCD Screen Width: “);
Serial.println(screen_width); screen_height = tft.height(); //int16_t height(void);
Serial.print(“TFT LCD Screen Height: “);
Serial.println(screen_height);

//The color of the screen can be set using the following method.
tft.fillScreen(t); //fillScreen(uint16_t t);

//This method can be passed any of the following arguments.
#define BLACK 0x0000
#define NAVY 0x000F
#define DARKGREEN 0x03E0
#define DARKCYAN 0x03EF
#define MAROON 0x7800
#define PURPLE 0x780F
#define OLIVE 0x7BE0
#define LIGHTGREY 0xC618
#define DARKGREY 0x7BEF
#define BLUE 0x001F
#define GREEN 0x07E0
#define CYAN 0x07FF
#define RED 0xF800
#define MAGENTA 0xF81F
#define YELLOW 0xFFE0
#define WHITE 0xFFFF
#define ORANGE 0xFD20
#define GREENYELLOW 0xAFE5
#define PINK 0xF81F

//The following method is used to set the cursor position on TFT LCD.
tft.setCursor(x,y); //setCursor(int16_t x, int16_t y)

//The following methods are used for setting text color.
tft.setTextColor(t); //setTextColor(uint16_t t)
tft.setTextColor(t,b); //setTextColor(uint16_t t, uint16_t b)

//The following method is used to set text size.
tft.setTextSize(s); //setTextSize(uint8_t s)

//The following methods are used to display text on the TFT LCD.
tft.write(c); //write(uint8_t c)
tft.println(“www.Electropeak.com”);
tft.print(“www.Electropeak.com”);

//The drawPixel function fills a pixel in x and y location by t color. The readPixel function read the color of a pixel in x and y location.
tft.drawPixel(x,y,t); //drawPixel(int16_t x, int16_t y, uint16_t t)
tft.readPixel(x,y); //uint16_t readPixel(int16_t x, int16_t y)

//The drawFastVLine function draws a vertical line that starts in x, y location, and its length is h pixel and its color is t. The drawFastHLine function draws a horizontal line that starts in x and y location, and the length is w pixel, and the color is t. The drawLine function draws a line that starts in xi and yi locationends is in xj and yj, and the color is t. These methods draw lines with 5-pixel thickness.
tft.drawFastVLine(x,y,h,t);
//drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t t)tft.drawFastHLine(x,y,w,t);
//drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t t)tft.drawLine(xi,yi,xj,yj,t);
//drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t t)

//The fillRect function draws a filled rectangle in x and y locations. w is width, h is height, and t is the color of the rectangle. The drawRect function draws a rectangle in x and y location with w width and h height and t color. The fillRoundRect function draws a filled Rectangle with r radius round corners in x and y location and w width and h height and t color. The drawRoundRect function draws a Rectangle with r radius round corners in x and y location and w width and h height and t color.
tft.fillRect(x,y,w,h,t);
//fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t t)tft.drawRect(x,y,w,h,t);
//drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t t)tft.fillRoundRect(x,y,w,h,r,t);
//fillRoundRect (int16_t x, int16_t y, int16_t w, int16_t h, uint8_t R , uint16_t t)tft.drawRoundRect(x,y,w,h,r,t);
//drawRoundRect(int16_t x, int16_t y, int16_t w, int16_t h, uint8_t R , uint16_t t)

//to drawCircle function draws a circle in x and y location and r radius and t color. The fillCircle function draws a filled circle in x and y location and r radius and t color.
tft.drawCircle(x,y,r,t);
//drawCircle(int16_t x, int16_t y, int16_t r, uint16_t t)tft.fillCircle(x,y,r,t);
//fillCircle(int16_t x, int16_t y, int16_t r, uint16_t t)

//The drawTriangle function draws a triangle with three corner location x, y and z, and t color. The fillTriangle function draws a filled triangle with three corner location x, y and z, and t color.
tft.drawTriangle(x1,y1,x2,y2,x3,y3,t);
//drawTriangle(int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t x3, int16_t y3,// uint16_t t)tft.fillTriangle(x1,y1,x2,y2,x3,y3,t);
//fillTriangle(int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t x3, int16_t y3,// uint16_t t)

//The following function rotates the screen by given angle.
tft.setRotation(r); //setRotation(uint8_t r)

//The following function inverts the colors of the screen.
tft.invertDisplay(i); //invertDisplay(boolean i)

//The following function give RGB code and get UTFT color code.
tft.color565(r,g,b); //uint16_t color565(uint8_t r, uint8_t g, uint8_t b)

//The following function scroll the screen. The Maxroll is the maximum height of your scrolling.
for (uint16_t i = 0; i < maxscroll; i++) {
tft.vertScroll(0, maxscroll, i);
delay(10);}

//The following function resets the screen.
tft.reset();