iio_temperature_sensor.h

// Copyright 2019 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THERMALD_IIO_TEMPERATURE_SENSOR_H_
#define THERMALD_IIO_TEMPERATURE_SENSOR_H_

#include <memory>
#include <string>

#include "base/files/file_path.h"
#include "base/macros.h"

#include "thermald/temperature_sensor_common.h"

using std::string;

namespace thermald {

// Class to read the temperature from a sensor exposed as IIO sensor.
class IioTemperatureSensor : public TemperatureSensorCommon {
 public:
  explicit IioTemperatureSensor(const string &name,
                                const base::FilePath &iio_dev_path,
                                const string &iio_sensor_name);
  bool ReadTemperature(int *value);

  static std::unique_ptr<IioTemperatureSensor>
  Get(const string &name, const string &iio_device_name,
      const string &iio_sensor_name);

private:
  const base::FilePath sysfs_attr_input_;

  DISALLOW_COPY_AND_ASSIGN(IioTemperatureSensor);
};

}  // namespace thermald

#endif  // THERMALD_IIO_TEMPERATURE_SENSOR_H_