#include <Adafruit_NeoPixel.h>

#define PIXEL_PIN D2
#define PIXEL_COUNT 22
#define PIXEL_TYPE NEO_GRB + NEO_KHZ800

Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

#include <Arduino_LPS22HB.h>

void setup() {
  Serial.begin(9600);
  while (!Serial);

  if (!BARO.begin()) {
    Serial.println("Failed to initialize pressure sensor!");
    while (1);
  }

  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
}

void loop() {
  Serial.println("START LOOP");
  // read the sensor value
  float pressure = BARO.readPressure();

  float temperature = BARO.readTemperature();
  // print the sensor value
  Serial.print("Temperature1 = ");
  Serial.print(temperature);
  Serial.println(" C");

  // wait 1 second to print again
  delay(10000);
  float prev_temp = temperature;
  pressure = BARO.readPressure();
  temperature = BARO.readTemperature();

  Serial.print("Temperature2 = ");
  Serial.print(temperature);
  Serial.println(" C");

  float difference = prev_temp - temperature;
  Serial.print("difference = ");
  Serial.print(difference);
  Serial.println(" C");
  Serial.println("END LOOP");

  if (difference < 0.05) {
    for(int i=0; i< strip.numPixels(); i++) {
      strip.setPixelColor(i, 0, 255, 0 );
      strip.show();
      delay(100);
    }
  }
  else if (0.05 <= difference && difference < 0.10) {
    for(int i=0; i< strip.numPixels(); i++) {
      strip.setPixelColor(i, 255, 255, 0 );
      strip.show();
      delay(300);
    }
  }
  else if (difference >= 0.10) {
    for(int i=0; i< strip.numPixels(); i++) {
      strip.setPixelColor(i, 255, 0, 0 );
      strip.show();
      delay(500);
    }
  }
}