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Diffstat (limited to 'include/distortos/StaticRawMessageQueue.hpp')
-rw-r--r-- | include/distortos/StaticRawMessageQueue.hpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/include/distortos/StaticRawMessageQueue.hpp b/include/distortos/StaticRawMessageQueue.hpp new file mode 100644 index 0000000..8120d17 --- /dev/null +++ b/include/distortos/StaticRawMessageQueue.hpp @@ -0,0 +1,71 @@ +/** + * \file + * \brief StaticRawMessageQueue class header + * + * \author Copyright (C) 2015 Kamil Szczygiel http://www.distortec.com http://www.freddiechopin.info + * + * \par License + * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not + * distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#ifndef INCLUDE_DISTORTOS_STATICRAWMESSAGEQUEUE_HPP_ +#define INCLUDE_DISTORTOS_STATICRAWMESSAGEQUEUE_HPP_ + +#include "distortos/RawMessageQueue.hpp" + +#include "distortos/internal/memory/dummyDeleter.hpp" + +namespace distortos +{ + +/** + * \brief StaticRawMessageQueue class is a variant of RawMessageQueue that has automatic storage for queue's contents. + * + * \tparam T is the type of data in queue + * \tparam QueueSize is the maximum number of elements in queue + * + * \ingroup queues + */ + +template<typename T, size_t QueueSize> +class StaticRawMessageQueue : public RawMessageQueue +{ +public: + + /** + * \brief StaticRawMessageQueue's constructor + */ + + explicit StaticRawMessageQueue() : + RawMessageQueue{{entryStorage_.data(), internal::dummyDeleter<EntryStorage>}, + {valueStorage_.data(), internal::dummyDeleter<ValueStorage<T>>}, sizeof(*valueStorage_.data()), + valueStorage_.size()} + { + + } + +private: + + /// storage for queue's entries + std::array<EntryStorage, QueueSize> entryStorage_; + + /// storage for queue's contents + std::array<ValueStorage<T>, QueueSize> valueStorage_; +}; + +/** + * \brief StaticRawMessageQueueFromSize type alias is a variant of StaticRawMessageQueue which uses size of element + * (instead of type) as template argument. + * + * \tparam ElementSize is the size of single queue element, bytes + * \tparam QueueSize is the maximum number of elements in queue + */ + +template<size_t ElementSize, size_t QueueSize> +using StaticRawMessageQueueFromSize = + StaticRawMessageQueue<typename std::aligned_storage<ElementSize, ElementSize>::type, QueueSize>; + +} // namespace distortos + +#endif // INCLUDE_DISTORTOS_STATICRAWMESSAGEQUEUE_HPP_ |