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mbed/platform/Transaction.h@0:d6c9b09b4042, 2020-12-02 (annotated)

Committer:
annieluo2
Date:
Wed Dec 02 18:02:03 2020 +0000
Revision:
0:d6c9b09b4042
boo

Who changed what in which revision?

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annieluo2 0:d6c9b09b4042 1 /* mbed Microcontroller Library
annieluo2 0:d6c9b09b4042 2 * Copyright (c) 2015 ARM Limited
annieluo2 0:d6c9b09b4042 3 *
annieluo2 0:d6c9b09b4042 4 * Licensed under the Apache License, Version 2.0 (the "License");
annieluo2 0:d6c9b09b4042 5 * you may not use this file except in compliance with the License.
annieluo2 0:d6c9b09b4042 6 * You may obtain a copy of the License at
annieluo2 0:d6c9b09b4042 7 *
annieluo2 0:d6c9b09b4042 8 * http://www.apache.org/licenses/LICENSE-2.0
annieluo2 0:d6c9b09b4042 9 *
annieluo2 0:d6c9b09b4042 10 * Unless required by applicable law or agreed to in writing, software
annieluo2 0:d6c9b09b4042 11 * distributed under the License is distributed on an "AS IS" BASIS,
annieluo2 0:d6c9b09b4042 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
annieluo2 0:d6c9b09b4042 13 * See the License for the specific language governing permissions and
annieluo2 0:d6c9b09b4042 14 * limitations under the License.
annieluo2 0:d6c9b09b4042 15 */
annieluo2 0:d6c9b09b4042 16 #ifndef MBED_TRANSACTION_H
annieluo2 0:d6c9b09b4042 17 #define MBED_TRANSACTION_H
annieluo2 0:d6c9b09b4042 18
annieluo2 0:d6c9b09b4042 19 #include "platform/platform.h"
annieluo2 0:d6c9b09b4042 20 #include "platform/FunctionPointer.h"
annieluo2 0:d6c9b09b4042 21
annieluo2 0:d6c9b09b4042 22 namespace mbed {
annieluo2 0:d6c9b09b4042 23 /** \addtogroup platform */
annieluo2 0:d6c9b09b4042 24 /** @{*/
annieluo2 0:d6c9b09b4042 25
annieluo2 0:d6c9b09b4042 26 /** Transaction structure
annieluo2 0:d6c9b09b4042 27 */
annieluo2 0:d6c9b09b4042 28 typedef struct {
annieluo2 0:d6c9b09b4042 29 void *tx_buffer; /**< Tx buffer */
annieluo2 0:d6c9b09b4042 30 size_t tx_length; /**< Length of Tx buffer*/
annieluo2 0:d6c9b09b4042 31 void *rx_buffer; /**< Rx buffer */
annieluo2 0:d6c9b09b4042 32 size_t rx_length; /**< Length of Rx buffer */
annieluo2 0:d6c9b09b4042 33 uint32_t event; /**< Event for a transaction */
annieluo2 0:d6c9b09b4042 34 event_callback_t callback; /**< User's callback */
annieluo2 0:d6c9b09b4042 35 uint8_t width; /**< Buffer's word width (8, 16, 32, 64) */
annieluo2 0:d6c9b09b4042 36 } transaction_t;
annieluo2 0:d6c9b09b4042 37
annieluo2 0:d6c9b09b4042 38 /** Transaction class defines a transaction.
annieluo2 0:d6c9b09b4042 39 *
annieluo2 0:d6c9b09b4042 40 * @Note Synchronization level: Not protected
annieluo2 0:d6c9b09b4042 41 */
annieluo2 0:d6c9b09b4042 42 template<typename Class>
annieluo2 0:d6c9b09b4042 43 class Transaction {
annieluo2 0:d6c9b09b4042 44 public:
annieluo2 0:d6c9b09b4042 45 Transaction(Class *tpointer, const transaction_t& transaction) : _obj(tpointer), _data(transaction) {
annieluo2 0:d6c9b09b4042 46 }
annieluo2 0:d6c9b09b4042 47
annieluo2 0:d6c9b09b4042 48 Transaction() : _obj(), _data() {
annieluo2 0:d6c9b09b4042 49 }
annieluo2 0:d6c9b09b4042 50
annieluo2 0:d6c9b09b4042 51 ~Transaction() {
annieluo2 0:d6c9b09b4042 52 }
annieluo2 0:d6c9b09b4042 53
annieluo2 0:d6c9b09b4042 54 /** Get object's instance for the transaction
annieluo2 0:d6c9b09b4042 55 *
annieluo2 0:d6c9b09b4042 56 * @return The object which was stored
annieluo2 0:d6c9b09b4042 57 */
annieluo2 0:d6c9b09b4042 58 Class* get_object() {
annieluo2 0:d6c9b09b4042 59 return _obj;
annieluo2 0:d6c9b09b4042 60 }
annieluo2 0:d6c9b09b4042 61
annieluo2 0:d6c9b09b4042 62 /** Get the transaction
annieluo2 0:d6c9b09b4042 63 *
annieluo2 0:d6c9b09b4042 64 * @return The transaction which was stored
annieluo2 0:d6c9b09b4042 65 */
annieluo2 0:d6c9b09b4042 66 transaction_t* get_transaction() {
annieluo2 0:d6c9b09b4042 67 return &_data;
annieluo2 0:d6c9b09b4042 68 }
annieluo2 0:d6c9b09b4042 69
annieluo2 0:d6c9b09b4042 70 private:
annieluo2 0:d6c9b09b4042 71 Class* _obj;
annieluo2 0:d6c9b09b4042 72 transaction_t _data;
annieluo2 0:d6c9b09b4042 73 };
annieluo2 0:d6c9b09b4042 74
annieluo2 0:d6c9b09b4042 75 }
annieluo2 0:d6c9b09b4042 76
annieluo2 0:d6c9b09b4042 77 #endif
annieluo2 0:d6c9b09b4042 78
annieluo2 0:d6c9b09b4042 79 /** @}*/