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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

platform/Transaction.h@171:3a7713b1edbc, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:45:42 2018 +0000
Revision:
171:3a7713b1edbc
Parent:
170:e95d10626187
Child:
172:65be27845400
mbed library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 156:ff21514d8981 1 /* mbed Microcontroller Library
AnnaBridge 156:ff21514d8981 2 * Copyright (c) 2015 ARM Limited
AnnaBridge 156:ff21514d8981 3 *
AnnaBridge 156:ff21514d8981 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 156:ff21514d8981 5 * you may not use this file except in compliance with the License.
AnnaBridge 156:ff21514d8981 6 * You may obtain a copy of the License at
AnnaBridge 156:ff21514d8981 7 *
AnnaBridge 156:ff21514d8981 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 156:ff21514d8981 9 *
AnnaBridge 156:ff21514d8981 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 156:ff21514d8981 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 156:ff21514d8981 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 156:ff21514d8981 13 * See the License for the specific language governing permissions and
AnnaBridge 156:ff21514d8981 14 * limitations under the License.
AnnaBridge 156:ff21514d8981 15 */
AnnaBridge 156:ff21514d8981 16 #ifndef MBED_TRANSACTION_H
AnnaBridge 156:ff21514d8981 17 #define MBED_TRANSACTION_H
AnnaBridge 156:ff21514d8981 18
AnnaBridge 156:ff21514d8981 19 #include "platform/platform.h"
AnnaBridge 156:ff21514d8981 20 #include "platform/FunctionPointer.h"
AnnaBridge 156:ff21514d8981 21
AnnaBridge 156:ff21514d8981 22 namespace mbed {
AnnaBridge 156:ff21514d8981 23 /** \addtogroup platform */
AnnaBridge 158:1c57384330a6 24 /** @{*/
AnnaBridge 158:1c57384330a6 25 /**
AnnaBridge 158:1c57384330a6 26 * \defgroup platform_Transaction Transaction class
AnnaBridge 158:1c57384330a6 27 * @{
AnnaBridge 158:1c57384330a6 28 */
AnnaBridge 156:ff21514d8981 29
AnnaBridge 156:ff21514d8981 30 /** Transaction structure
AnnaBridge 156:ff21514d8981 31 */
AnnaBridge 156:ff21514d8981 32 typedef struct {
AnnaBridge 156:ff21514d8981 33 void *tx_buffer; /**< Tx buffer */
AnnaBridge 156:ff21514d8981 34 size_t tx_length; /**< Length of Tx buffer*/
AnnaBridge 156:ff21514d8981 35 void *rx_buffer; /**< Rx buffer */
AnnaBridge 156:ff21514d8981 36 size_t rx_length; /**< Length of Rx buffer */
AnnaBridge 156:ff21514d8981 37 uint32_t event; /**< Event for a transaction */
AnnaBridge 156:ff21514d8981 38 event_callback_t callback; /**< User's callback */
AnnaBridge 156:ff21514d8981 39 uint8_t width; /**< Buffer's word width (8, 16, 32, 64) */
AnnaBridge 156:ff21514d8981 40 } transaction_t;
AnnaBridge 156:ff21514d8981 41
AnnaBridge 156:ff21514d8981 42 /** Transaction class defines a transaction.
AnnaBridge 156:ff21514d8981 43 *
AnnaBridge 156:ff21514d8981 44 * @note Synchronization level: Not protected
AnnaBridge 156:ff21514d8981 45 */
AnnaBridge 156:ff21514d8981 46 template<typename Class>
AnnaBridge 156:ff21514d8981 47 class Transaction {
AnnaBridge 156:ff21514d8981 48 public:
AnnaBridge 170:e95d10626187 49 Transaction(Class *tpointer, const transaction_t &transaction) : _obj(tpointer), _data(transaction)
AnnaBridge 170:e95d10626187 50 {
AnnaBridge 156:ff21514d8981 51 }
AnnaBridge 156:ff21514d8981 52
AnnaBridge 170:e95d10626187 53 Transaction() : _obj(), _data()
AnnaBridge 170:e95d10626187 54 {
AnnaBridge 156:ff21514d8981 55 }
AnnaBridge 156:ff21514d8981 56
AnnaBridge 170:e95d10626187 57 ~Transaction()
AnnaBridge 170:e95d10626187 58 {
AnnaBridge 156:ff21514d8981 59 }
AnnaBridge 156:ff21514d8981 60
AnnaBridge 156:ff21514d8981 61 /** Get object's instance for the transaction
AnnaBridge 156:ff21514d8981 62 *
AnnaBridge 156:ff21514d8981 63 * @return The object which was stored
AnnaBridge 156:ff21514d8981 64 */
AnnaBridge 170:e95d10626187 65 Class *get_object()
AnnaBridge 170:e95d10626187 66 {
AnnaBridge 156:ff21514d8981 67 return _obj;
AnnaBridge 156:ff21514d8981 68 }
AnnaBridge 156:ff21514d8981 69
AnnaBridge 156:ff21514d8981 70 /** Get the transaction
AnnaBridge 156:ff21514d8981 71 *
AnnaBridge 156:ff21514d8981 72 * @return The transaction which was stored
AnnaBridge 156:ff21514d8981 73 */
AnnaBridge 170:e95d10626187 74 transaction_t *get_transaction()
AnnaBridge 170:e95d10626187 75 {
AnnaBridge 156:ff21514d8981 76 return &_data;
AnnaBridge 156:ff21514d8981 77 }
AnnaBridge 156:ff21514d8981 78
AnnaBridge 156:ff21514d8981 79 private:
AnnaBridge 170:e95d10626187 80 Class *_obj;
AnnaBridge 156:ff21514d8981 81 transaction_t _data;
AnnaBridge 156:ff21514d8981 82 };
AnnaBridge 158:1c57384330a6 83 /**@}*/
AnnaBridge 156:ff21514d8981 84
AnnaBridge 158:1c57384330a6 85 /**@}*/
AnnaBridge 156:ff21514d8981 86 }
AnnaBridge 156:ff21514d8981 87
AnnaBridge 156:ff21514d8981 88 #endif