/*
RailControl - Model Railway Control Software

Copyright (c) 2017-2025 by Teddy / Dominik Mahrer - www.railcontrol.org

RailControl 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 3, or (at your option) any
later version.

RailControl 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 RailControl; see the file LICENCE. If not see
<http://www.gnu.org/licenses/>.
*/

#pragma once

namespace Hardware
{
	namespace Protocols
	{
		class Z21FeedbackCache
		{
			public:
				Z21FeedbackCache(const Z21FeedbackCache&) = delete;
				Z21FeedbackCache& operator=(const Z21FeedbackCache&) = delete;

				inline Z21FeedbackCache()
				{
					for (unsigned char module = 0; module < MaxModules; ++module)
					{
						cache[module] = 0;
					}
				}

				inline void Set(const unsigned char module, const unsigned char data)
				{
					if (module >= MaxModules)
					{
						return;
					}
					cache[module] = data;
				}

				inline unsigned char Get(unsigned char module)
				{
					if (module >= MaxModules)
					{
						return 0;
					}
					return cache[module];
				}

			private:
				static const unsigned char MaxModules = 20;
				unsigned char cache[MaxModules];
		};
	} // namespace
} // namespace

