#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ST7789.h>
// SPI ESP32 (domyślne): SCK=18, MOSI=23, MISO=19 (MISO nieużywany przez ST7789)
#define TFT_CS   5
#define TFT_DC   2
#define TFT_RST  4
#define TFT_BL  15
#define SDA_pin 21
#define SCL_pin 22

#define SEA_LEVEL_PRESSURE (1013.25) // Standard sea level pressure

Adafruit_ST7789 tft(TFT_CS, TFT_DC, TFT_RST);
Adafruit_BME280 environmentSensor; // Using I2C for communication
//Adafruit_BME280 environmentSensor(SPI_CS); // Use for hardware SPI
//Adafruit_BME280 environmentSensor(SPI_CS, SPI_MOSI, SPI_MISO, SPI_CLK); // Use for software SPI

unsigned long refreshInterval;

void setup() {
  Serial.begin(9600);
  Wire.begin(21, 22);          // to co w diagramie!
  delay(50);

  // Skan – zobaczysz realny adres widziany przez szkic
  for (uint8_t a = 1; a < 127; a++) {
    Wire.beginTransmission(a);
    if (Wire.endTransmission() == 0) {
      Serial.print("I2C: 0x");
      Serial.println(a, HEX);
    }
  }

  Serial.println("Init BME...");
  if (!environmentSensor.begin(0x76, &Wire)) {          // jawnie ta sama Wire
    Serial.println("BME nie startuje na 0x76, próbuję 0x77...");
    if (!environmentSensor.begin(0x77, &Wire)) {
      Serial.println("Sensor initialization failed...");
      while (1);
    }
  }
  Serial.println("BME OK");
}


void loop() {
  displaySensorData();
  delay(refreshInterval);
}

void scanI2C() {
  for (uint8_t addr = 1; addr < 127; addr++) {
    Wire.beginTransmission(addr);
    if (Wire.endTransmission() == 0) {
      Serial.print("Znaleziono urządzenie pod adresem: 0x");
      Serial.println(addr, HEX);
    }
  }
}

void displaySensorData() {
  Serial.print("Temperature: ");
  Serial.print(environmentSensor.readTemperature());
  Serial.println(" °C");
  // Optional: Uncomment for Fahrenheit conversion
  Serial.print("Temperature: ");
  Serial.print(1.8 * environmentSensor.readTemperature() + 32);
  Serial.println(" °F");

  Serial.print("Pressure: ");
  Serial.print(environmentSensor.readPressure() / 100.0F);
  Serial.println(" hPa");

  Serial.print("Estimated Altitude: ");
  Serial.print(environmentSensor.readAltitude(SEA_LEVEL_PRESSURE));
  Serial.println(" meters");

  Serial.print("Humidity: ");
  Serial.print(environmentSensor.readHumidity());
  Serial.println(" %");

  Serial.println();
}