channel_map.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_SUPLET_CHANNEL_MAP_H_
#define SRC_SUPLA_SUPLET_CHANNEL_MAP_H_
 
#include <stdint.h>
#include <supla-common/proto.h>
 
#ifndef SUPLA_SUPLET_MAX_CHANNELS_PER_INSTANCE
#define SUPLA_SUPLET_MAX_CHANNELS_PER_INSTANCE 32
#endif
 
namespace Supla {
namespace Suplet {
 
constexpr int kInvalidChannelNumber = -1;
constexpr uint8_t kInvalidChannelId = 0;
 
struct ChannelMapping {
  uint8_t channelId = kInvalidChannelId;
  int16_t channelNumber = kInvalidChannelNumber;
};
 
class ChannelMap {
 public:
  uint8_t getCount() const;
  void clear();
 
  bool add(uint8_t channelId, int channelNumber);
  bool containsId(uint8_t channelId) const;
  int getChannelNumber(uint8_t channelId) const;
  const ChannelMapping *getMapping(uint8_t index) const;
 
 private:
  ChannelMapping mappings[SUPLA_SUPLET_MAX_CHANNELS_PER_INSTANCE] = {};
  uint8_t count = 0;
};
 
}  // namespace Suplet
}  // namespace Supla
 
#endif  // SRC_SUPLA_SUPLET_CHANNEL_MAP_H_