/*
 * Copyright 2018 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include "mgos.h"
#include "mgos_barometer.h"

#ifdef __cplusplus
extern "C" {
#endif

// Barometer
typedef bool (*mgos_barometer_mag_detect_fn)(struct mgos_barometer *dev);
typedef bool (*mgos_barometer_mag_create_fn)(struct mgos_barometer *dev);
typedef bool (*mgos_barometer_mag_destroy_fn)(struct mgos_barometer *dev);
typedef bool (*mgos_barometer_mag_read_fn)(struct mgos_barometer *dev);

#define MGOS_BAROMETER_CAP_BAROMETER   (0x01)
#define MGOS_BAROMETER_CAP_THERMOMETER (0x02)
#define MGOS_BAROMETER_CAP_HYGROMETER  (0x04)

struct mgos_barometer {
  struct mgos_i2c *      i2c;
  uint8_t                i2caddr;
  uint16_t          cache_ttl_ms;
  enum mgos_barometer_type type;

  uint8_t capabilities;

  mgos_barometer_mag_detect_fn detect;
  mgos_barometer_mag_create_fn  create;
  mgos_barometer_mag_destroy_fn  destroy;
  mgos_barometer_mag_read_fn   read;

  void *user_data;

  float pressure; // in Pascals
  float temperature; // in Celcius

  struct mgos_barometer_stats stats;
};

#ifdef __cplusplus
}
#endif