PHung Tung / DISCO-F746_WAV_PLAYER

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Dependencies:   F746_GUI SD_PlayerSkeleton F746_SAI_IO

SRC_STM32F7/api/Transaction.h@0:8ede47d38d10, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 21:37:21 2019 +0000
Revision:
0:8ede47d38d10
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phungductung 0:8ede47d38d10 1 /* mbed Microcontroller Library
phungductung 0:8ede47d38d10 2 * Copyright (c) 2015 ARM Limited
phungductung 0:8ede47d38d10 3 *
phungductung 0:8ede47d38d10 4 * Licensed under the Apache License, Version 2.0 (the "License");
phungductung 0:8ede47d38d10 5 * you may not use this file except in compliance with the License.
phungductung 0:8ede47d38d10 6 * You may obtain a copy of the License at
phungductung 0:8ede47d38d10 7 *
phungductung 0:8ede47d38d10 8 * http://www.apache.org/licenses/LICENSE-2.0
phungductung 0:8ede47d38d10 9 *
phungductung 0:8ede47d38d10 10 * Unless required by applicable law or agreed to in writing, software
phungductung 0:8ede47d38d10 11 * distributed under the License is distributed on an "AS IS" BASIS,
phungductung 0:8ede47d38d10 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
phungductung 0:8ede47d38d10 13 * See the License for the specific language governing permissions and
phungductung 0:8ede47d38d10 14 * limitations under the License.
phungductung 0:8ede47d38d10 15 */
phungductung 0:8ede47d38d10 16 #ifndef MBED_TRANSACTION_H
phungductung 0:8ede47d38d10 17 #define MBED_TRANSACTION_H
phungductung 0:8ede47d38d10 18
phungductung 0:8ede47d38d10 19 #include "platform.h"
phungductung 0:8ede47d38d10 20 #include "FunctionPointer.h"
phungductung 0:8ede47d38d10 21
phungductung 0:8ede47d38d10 22 namespace mbed {
phungductung 0:8ede47d38d10 23
phungductung 0:8ede47d38d10 24 /** Transaction structure
phungductung 0:8ede47d38d10 25 */
phungductung 0:8ede47d38d10 26 typedef struct {
phungductung 0:8ede47d38d10 27 void *tx_buffer; /**< Tx buffer */
phungductung 0:8ede47d38d10 28 size_t tx_length; /**< Length of Tx buffer*/
phungductung 0:8ede47d38d10 29 void *rx_buffer; /**< Rx buffer */
phungductung 0:8ede47d38d10 30 size_t rx_length; /**< Length of Rx buffer */
phungductung 0:8ede47d38d10 31 uint32_t event; /**< Event for a transaction */
phungductung 0:8ede47d38d10 32 event_callback_t callback; /**< User's callback */
phungductung 0:8ede47d38d10 33 uint8_t width; /**< Buffer's word width (8, 16, 32, 64) */
phungductung 0:8ede47d38d10 34 } transaction_t;
phungductung 0:8ede47d38d10 35
phungductung 0:8ede47d38d10 36 /** Transaction class defines a transaction.
phungductung 0:8ede47d38d10 37 */
phungductung 0:8ede47d38d10 38 template<typename Class>
phungductung 0:8ede47d38d10 39 class Transaction {
phungductung 0:8ede47d38d10 40 public:
phungductung 0:8ede47d38d10 41 Transaction(Class *tpointer, const transaction_t& transaction) : _obj(tpointer), _data(transaction) {
phungductung 0:8ede47d38d10 42 }
phungductung 0:8ede47d38d10 43
phungductung 0:8ede47d38d10 44 Transaction() : _obj(), _data() {
phungductung 0:8ede47d38d10 45 }
phungductung 0:8ede47d38d10 46
phungductung 0:8ede47d38d10 47 ~Transaction() {
phungductung 0:8ede47d38d10 48 }
phungductung 0:8ede47d38d10 49
phungductung 0:8ede47d38d10 50 /** Get object's instance for the transaction
phungductung 0:8ede47d38d10 51 *
phungductung 0:8ede47d38d10 52 * @return The object which was stored
phungductung 0:8ede47d38d10 53 */
phungductung 0:8ede47d38d10 54 Class* get_object() {
phungductung 0:8ede47d38d10 55 return _obj;
phungductung 0:8ede47d38d10 56 }
phungductung 0:8ede47d38d10 57
phungductung 0:8ede47d38d10 58 /** Get the transaction
phungductung 0:8ede47d38d10 59 *
phungductung 0:8ede47d38d10 60 * @return The transaction which was stored
phungductung 0:8ede47d38d10 61 */
phungductung 0:8ede47d38d10 62 transaction_t* get_transaction() {
phungductung 0:8ede47d38d10 63 return &_data;
phungductung 0:8ede47d38d10 64 }
phungductung 0:8ede47d38d10 65
phungductung 0:8ede47d38d10 66 private:
phungductung 0:8ede47d38d10 67 Class* _obj;
phungductung 0:8ede47d38d10 68 transaction_t _data;
phungductung 0:8ede47d38d10 69 };
phungductung 0:8ede47d38d10 70
phungductung 0:8ede47d38d10 71 }
phungductung 0:8ede47d38d10 72
phungductung 0:8ede47d38d10 73 #endif