mirror of https://github.com/ARMmbed/mbed-os.git
				
				
				
			
		
			
				
	
	
		
			84 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			84 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
/* mbed Microcontroller Library
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 * Copyright (c) 2015 ARM Limited
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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#ifndef MBED_TRANSACTION_H
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#define MBED_TRANSACTION_H
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#include "platform/platform.h"
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#include "platform/FunctionPointer.h"
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namespace mbed {
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/** \addtogroup platform */
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/** @{*/
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/**
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 * \defgroup platform_Transaction Transaction class
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 * @{
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 */
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/** Transaction structure
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 */
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typedef struct {
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    void *tx_buffer;           /**< Tx buffer */
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    size_t tx_length;          /**< Length of Tx buffer*/
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    void *rx_buffer;           /**< Rx buffer */
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    size_t rx_length;          /**< Length of Rx buffer */
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    uint32_t event;            /**< Event for a transaction */
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    event_callback_t callback; /**< User's callback */
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    uint8_t width;             /**< Buffer's word width (8, 16, 32, 64) */
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} transaction_t;
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/** Transaction class defines a transaction.
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 *
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 * @note Synchronization level: Not protected
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 */
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template<typename Class>
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class Transaction {
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public:
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    Transaction(Class *tpointer, const transaction_t& transaction) : _obj(tpointer), _data(transaction) {
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    }
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    Transaction() : _obj(), _data() {
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    }
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    ~Transaction() {
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    }
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    /** Get object's instance for the transaction
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     *
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     * @return The object which was stored
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     */
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    Class* get_object() {
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        return _obj;
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    }
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    /** Get the transaction
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     *
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     * @return The transaction which was stored
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     */
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    transaction_t* get_transaction() {
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        return &_data;
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    }
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private:
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    Class* _obj;
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    transaction_t _data;
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};
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/**@}*/
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/**@}*/
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}
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#endif
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