Uses the Adafruit ILI9341 library as the ILI9341_t3 does not compile for me.
Code: Select all
/* Map XPT2046 input to ILI9341 320x240 raster */
#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
#include <XPT2046_Touchscreen.h> /* https://github.com/PaulStoffregen/XPT2046_Touchscreen */
#define TFT_DC 27
#define _sclk 25
#define _mosi 32
#define _miso 39
#define TFT_CS 4
#define TFT_RST 12
#define TFT_BACKLIGHT_PIN 2 /* -via transistor- */
#define TOUCH_CS_PIN 33
#define TOUCH_IRQ_PIN 35
#define TFT_NORMAL 1
#define TFT_UPSIDEDOWN 3
const uint8_t TFT_ORIENTATION = TFT_NORMAL;
Adafruit_ILI9341 tft = Adafruit_ILI9341( TFT_CS, TFT_DC, TFT_RST );
XPT2046_Touchscreen touch( TOUCH_CS_PIN, TOUCH_IRQ_PIN );
void setup() {
Serial.begin( 115200 );
SPI.begin( _sclk, _miso, _mosi );
SPI.setFrequency( 60000000 );
tft.begin( 10000000, SPI );
tft.setRotation( TFT_ORIENTATION );
tft.fillScreen( ILI9341_BLACK );
tft.setTextColor( ILI9341_GREEN, ILI9341_BLACK );
pinMode( TFT_BACKLIGHT_PIN, OUTPUT );
digitalWrite( TFT_BACKLIGHT_PIN, HIGH );
touch.begin();
Serial.println( "Touch screen ready." );
}
TS_Point rawLocation;
void loop() {
while ( touch.touched() )
{
rawLocation = touch.getPoint();
/*
tft.setCursor( 100, 150 );
tft.print( "X = " );
tft.print( rawLocation.x );
tft.setCursor(100, 180);
tft.print( "Y = " );
tft.print( rawLocation.y );
Serial.print("x = ");
Serial.print(rawLocation.x);
Serial.print(", y = ");
Serial.print(rawLocation.y);
Serial.print(", z = ");
Serial.println(rawLocation.z);
*/
if ( TFT_ORIENTATION == TFT_UPSIDEDOWN )
{
tft.drawPixel( map( rawLocation.x, 340, 3900, 0, 320 ),
map( rawLocation.y, 200, 3850, 0, 240 ),
ILI9341_GREEN );
}
if ( TFT_ORIENTATION == TFT_NORMAL )
{
tft.drawPixel( map( rawLocation.x, 340, 3900, 320, 0 ),
map( rawLocation.y, 200, 3850, 240, 0 ),
ILI9341_GREEN );
}
}
//tft.fillScreen(ILI9341_BLACK);
}