#include <Adafruit_ILI9341.h>

#define TFT_CS   10
#define TFT_DC   9
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

#define WIDTH 320
#define HEIGHT 240

#define PIN_TRIG 8
#define PIN_ECHO 2

void setup() {
  tft.begin();
  tft.setRotation(1);
  Serial.begin(115200);
  pinMode(PIN_TRIG, OUTPUT);
  pinMode(PIN_ECHO, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int duration = pulseUltra();
  Serial.print("Distance in CM: ");
  Serial.println(duration / 58);
  Serial.print("Distance in inches: ");
  Serial.println(duration / 148);
  tft.drawPixel(x, y, rgb565);
  delay(1000);
}

int pulseUltra() {
  digitalWrite(PIN_TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(PIN_TRIG, LOW);
  return pulseIn(PIN_ECHO, HIGH);

}