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/* 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
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