不韋 呂 / F746_SD_Player_Demo

Demo program for library named SD_PlayerSkeleton of SD card player skeleton. SD カードプレーヤのための骨組みとして使うためのライブラリ SD_PlayerSkeleton の使用例．このプログラムについては，CQ出版社インターフェース誌 2018年7月号で解説している．

Dependencies:   F746_GUI F746_SAI_IO SD_PlayerSkeleton

mbed_src_STM32F7/api/Transaction.h@19:3c3833ec00d2, 2017-04-09 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Apr 09 12:44:17 2017 +0000
Revision:
19:3c3833ec00d2
Parent:
2:cf42e62a97dc 
20

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 2:cf42e62a97dc 1 /* mbed Microcontroller Library
MikamiUitOpen 2:cf42e62a97dc 2 * Copyright (c) 2015 ARM Limited
MikamiUitOpen 2:cf42e62a97dc 3 *
MikamiUitOpen 2:cf42e62a97dc 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 2:cf42e62a97dc 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 2:cf42e62a97dc 6 * You may obtain a copy of the License at
MikamiUitOpen 2:cf42e62a97dc 7 *
MikamiUitOpen 2:cf42e62a97dc 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 2:cf42e62a97dc 9 *
MikamiUitOpen 2:cf42e62a97dc 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 2:cf42e62a97dc 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 2:cf42e62a97dc 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 2:cf42e62a97dc 13 * See the License for the specific language governing permissions and
MikamiUitOpen 2:cf42e62a97dc 14 * limitations under the License.
MikamiUitOpen 2:cf42e62a97dc 15 */
MikamiUitOpen 2:cf42e62a97dc 16 #ifndef MBED_TRANSACTION_H
MikamiUitOpen 2:cf42e62a97dc 17 #define MBED_TRANSACTION_H
MikamiUitOpen 2:cf42e62a97dc 18
MikamiUitOpen 2:cf42e62a97dc 19 #include "platform.h"
MikamiUitOpen 2:cf42e62a97dc 20 #include "FunctionPointer.h"
MikamiUitOpen 2:cf42e62a97dc 21
MikamiUitOpen 2:cf42e62a97dc 22 namespace mbed {
MikamiUitOpen 2:cf42e62a97dc 23
MikamiUitOpen 2:cf42e62a97dc 24 /** Transaction structure
MikamiUitOpen 2:cf42e62a97dc 25 */
MikamiUitOpen 2:cf42e62a97dc 26 typedef struct {
MikamiUitOpen 2:cf42e62a97dc 27 void *tx_buffer; /**< Tx buffer */
MikamiUitOpen 2:cf42e62a97dc 28 size_t tx_length; /**< Length of Tx buffer*/
MikamiUitOpen 2:cf42e62a97dc 29 void *rx_buffer; /**< Rx buffer */
MikamiUitOpen 2:cf42e62a97dc 30 size_t rx_length; /**< Length of Rx buffer */
MikamiUitOpen 2:cf42e62a97dc 31 uint32_t event; /**< Event for a transaction */
MikamiUitOpen 2:cf42e62a97dc 32 event_callback_t callback; /**< User's callback */
MikamiUitOpen 2:cf42e62a97dc 33 uint8_t width; /**< Buffer's word width (8, 16, 32, 64) */
MikamiUitOpen 2:cf42e62a97dc 34 } transaction_t;
MikamiUitOpen 2:cf42e62a97dc 35
MikamiUitOpen 2:cf42e62a97dc 36 /** Transaction class defines a transaction.
MikamiUitOpen 2:cf42e62a97dc 37 */
MikamiUitOpen 2:cf42e62a97dc 38 template<typename Class>
MikamiUitOpen 2:cf42e62a97dc 39 class Transaction {
MikamiUitOpen 2:cf42e62a97dc 40 public:
MikamiUitOpen 2:cf42e62a97dc 41 Transaction(Class *tpointer, const transaction_t& transaction) : _obj(tpointer), _data(transaction) {
MikamiUitOpen 2:cf42e62a97dc 42 }
MikamiUitOpen 2:cf42e62a97dc 43
MikamiUitOpen 2:cf42e62a97dc 44 Transaction() : _obj(), _data() {
MikamiUitOpen 2:cf42e62a97dc 45 }
MikamiUitOpen 2:cf42e62a97dc 46
MikamiUitOpen 2:cf42e62a97dc 47 ~Transaction() {
MikamiUitOpen 2:cf42e62a97dc 48 }
MikamiUitOpen 2:cf42e62a97dc 49
MikamiUitOpen 2:cf42e62a97dc 50 /** Get object's instance for the transaction
MikamiUitOpen 2:cf42e62a97dc 51 *
MikamiUitOpen 2:cf42e62a97dc 52 * @return The object which was stored
MikamiUitOpen 2:cf42e62a97dc 53 */
MikamiUitOpen 2:cf42e62a97dc 54 Class* get_object() {
MikamiUitOpen 2:cf42e62a97dc 55 return _obj;
MikamiUitOpen 2:cf42e62a97dc 56 }
MikamiUitOpen 2:cf42e62a97dc 57
MikamiUitOpen 2:cf42e62a97dc 58 /** Get the transaction
MikamiUitOpen 2:cf42e62a97dc 59 *
MikamiUitOpen 2:cf42e62a97dc 60 * @return The transaction which was stored
MikamiUitOpen 2:cf42e62a97dc 61 */
MikamiUitOpen 2:cf42e62a97dc 62 transaction_t* get_transaction() {
MikamiUitOpen 2:cf42e62a97dc 63 return &_data;
MikamiUitOpen 2:cf42e62a97dc 64 }
MikamiUitOpen 2:cf42e62a97dc 65
MikamiUitOpen 2:cf42e62a97dc 66 private:
MikamiUitOpen 2:cf42e62a97dc 67 Class* _obj;
MikamiUitOpen 2:cf42e62a97dc 68 transaction_t _data;
MikamiUitOpen 2:cf42e62a97dc 69 };
MikamiUitOpen 2:cf42e62a97dc 70
MikamiUitOpen 2:cf42e62a97dc 71 }
MikamiUitOpen 2:cf42e62a97dc 72
MikamiUitOpen 2:cf42e62a97dc 73 #endif