#include <Wire.h>
#include <SPI.h>
#include <Adafruit_BMP280.h>

#define BMP_SCK  (13)
#define BMP_MISO (12)
#define BMP_MOSI (11)
#define BMP_CS   (10)

Adafruit_BMP280 bmp(BMP_CS);

void setup() {
  Serial.begin(9600);
  unsigned status;
  status = bmp.begin();
  
  bmp.setSampling(Adafruit_BMP280::MODE_NORMAL,     
                  Adafruit_BMP280::SAMPLING_X2,     
                  Adafruit_BMP280::SAMPLING_X16,    
                  Adafruit_BMP280::FILTER_X16,      
                  Adafruit_BMP280::STANDBY_MS_500); 
}

void loop() {
    Serial.print(F("Approx altitude = "));
    Serial.print(bmp.readAltitude(1013.25)); 
    Serial.println(" m");

    Serial.print(F("Pressure = "));
    Serial.print(bmp.readPressure());
    Serial.println(" Pa");
    
    Serial.println();
    delay(500);
}