pressure.h

/*
 Copyright (C) AC SOFTWARE SP. Z O.O.
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
 
#ifndef SRC_SUPLA_SENSOR_PRESSURE_H_
#define SRC_SUPLA_SENSOR_PRESSURE_H_
 
#include <supla/channel_element.h>
#include <supla/time.h>
 
#define PRESSURE_NOT_AVAILABLE -1.0
 
namespace Supla {
namespace Sensor {
class Pressure : public ChannelElement {
 public:
  Pressure() : lastReadTime(0) {
    channel.setType(SUPLA_CHANNELTYPE_PRESSURESENSOR);
    channel.setDefaultFunction(SUPLA_CHANNELFNC_PRESSURESENSOR);
    channel.setNewValue(PRESSURE_NOT_AVAILABLE);
  }
 
  virtual double getValue() {
    return PRESSURE_NOT_AVAILABLE;
  }
 
  void iterateAlways() {
    if (millis() - lastReadTime > 10000) {
      lastReadTime = millis();
      channel.setNewValue(getValue());
    }
  }
 
 protected:
  uint32_t lastReadTime;
};
 
};  // namespace Sensor
};  // namespace Supla
 
#endif  // SRC_SUPLA_SENSOR_PRESSURE_H_