#ifndef ENV
  #define ENV
  #include <Arduino.h>
  #include "driver/rtc_io.h"

  #include <BLEDevice.h>
  #include <BLEUtils.h>
  #include <BLEScan.h>
  #include <BLEAdvertisedDevice.h>

  #include <Adafruit_NAU7802.h>
  #include <Adafruit_GFX.h>
  #include <Fonts/FreeSans9pt7b.h>

  /********************* General ****************************/
  #define BUTTON_PIN_BITMASK(GPIO) (1ULL << GPIO)
  #define WAKEUP_GPIO              GPIO_NUM_1
  #define SLEEP_GPIO               1

  /********************* NAU7802 ****************************/

  #define LDO NAU7802_3V3
  #define GAIN NAU7802_GAIN_128
  #define SPS NAU7802_RATE_20SPS

  /****************************** DISPLAY *******************/

  // any pins can be used
  #define SHARP_SCK 7
  #define SHARP_MOSI 9
  #define SHARP_SS 44
  #define DISPLAY_HEIGHT 144
  #define DISPLAY_WIDTH 168
  
  #define BLACK 0
  #define WHITE 1

  #define FONT_SIZE 2
  #define FONT &FreeSans9pt7b

  /********************* BLE ********************************/

  #define BLE false
  #if BLE
    #define SERVICE_UUID "9f0dfdb2-e978-494c-8f15-68dbe8d28672"
    #define MILLIS_UUID "abb92561-a809-453c-8c7c-71d3fff5b86e"
    #define WEIGHT_UUID "123e4567-e89b-12d3-a456-426614174000"
  #endif

  #if GAIN == NAU7802_GAIN_1
    #define CALIBRATION_FACTOR 100.0 / 424.47

  #elif GAIN == NAU7802_GAIN_2
    #define CALIBRATION_FACTOR 100.0 / 2457.96

  #elif GAIN == NAU7802_GAIN_4
    #define CALIBRATION_FACTOR 100.0 / 3622.82

  #elif GAIN == NAU7802_GAIN_8
    #define CALIBRATION_FACTOR 100.0 / 6630.74

  #elif GAIN == NAU7802_GAIN_16
    #define CALIBRATION_FACTOR 100.0 / 13179.24

  #elif GAIN == NAU7802_GAIN_32
    #define CALIBRATION_FACTOR 100.0 / 25955.84

  #elif GAIN == NAU7802_GAIN_64
    #define CALIBRATION_FACTOR 100.0 / 52865.63

  #elif GAIN == NAU7802_GAIN_128
    #define CALIBRATION_FACTOR 100.0 / 104167.17
  #endif

#endif