#include <stdint.h>
#include "TouchScreen.h"
#include <Adafruit_TFTLCD.h>
#define LCD_CS A3 // Chip Select goes to Analog 3
#define LCD_CD A2 // Command/Data goes to Analog 2
#define LCD_WR A1 // LCD Write goes to Analog 1
#define LCD_RD A0 // LCD Read goes to Analog 0
#define LCD_RESET A4 // Can alternately just connect to Arduino's reset pin
#define YP A2  // must be an analog pin, use "An" notation!
#define XM A3  // must be an analog pin, use "An" notation!
#define YM 8   // can be a digital pin
#define XP 9   // can be a digital pin
#define TS_MINX 129 // X Min Value (Raw)
#define TS_MAXX 954 // X Max Value (Raw)
#define TS_MINY 104 // Y Min Value (Raw)
#define TS_MAXY 954 // Y Max Value (Raw)
Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);
TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);
void setup(void) {
  Serial.begin(115200);
}
void loop(void) {
  TSPoint p = ts.getPoint();
  if (p.z > ts.pressureThreshhold) {
     Serial.print("("); 
     Serial.print(adjust_x(p.x)); 
     Serial.print(','); 
     Serial.print(adjust_y(p.y)); 
     Serial.print(")");
     Serial.print("\tX = "); Serial.print(p.x);
     Serial.print("\tY = "); Serial.print(p.y);
     Serial.print("\tPressure = "); Serial.println(p.z);
  }
  delay(100);
}
int adjust_x(int x) {
  int TFT_MAX = tft.width() - 1;
  return constrain(map(x, TS_MINX, TS_MAXX, 0, TFT_MAX), 0, TFT_MAX);
}
int adjust_y(int y) {
  int TFT_MAX = tft.height() - 1;
  return constrain(map(y, TS_MINY, TS_MAXY, 0, TFT_MAX), 0, TFT_MAX);
}