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Diff: Transaction.h
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- 0:e1a608bb55e8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Transaction.h Thu Apr 07 18:33:58 2016 +0100 @@ -0,0 +1,73 @@ +/* mbed Microcontroller Library + * Copyright (c) 2015 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef MBED_TRANSACTION_H +#define MBED_TRANSACTION_H + +#include "platform.h" +#include "FunctionPointer.h" + +namespace mbed { + +/** Transaction structure + */ +typedef struct { + void *tx_buffer; /**< Tx buffer */ + size_t tx_length; /**< Length of Tx buffer*/ + void *rx_buffer; /**< Rx buffer */ + size_t rx_length; /**< Length of Rx buffer */ + uint32_t event; /**< Event for a transaction */ + event_callback_t callback; /**< User's callback */ + uint8_t width; /**< Buffer's word width (8, 16, 32, 64) */ +} transaction_t; + +/** Transaction class defines a transaction. + */ +template<typename Class> +class Transaction { +public: + Transaction(Class *tpointer, const transaction_t& transaction) : _obj(tpointer), _data(transaction) { + } + + Transaction() : _obj(), _data() { + } + + ~Transaction() { + } + + /** Get object's instance for the transaction + * + * @return The object which was stored + */ + Class* get_object() { + return _obj; + } + + /** Get the transaction + * + * @return The transaction which was stored + */ + transaction_t* get_transaction() { + return &_data; + } + +private: + Class* _obj; + transaction_t _data; +}; + +} + +#endif