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/hal/ticker_api.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_TICKER_API_H
MikamiUitOpen 2:cf42e62a97dc 17 #define MBED_TICKER_API_H
MikamiUitOpen 2:cf42e62a97dc 18
MikamiUitOpen 2:cf42e62a97dc 19 #include "device.h"
MikamiUitOpen 2:cf42e62a97dc 20
MikamiUitOpen 2:cf42e62a97dc 21 typedef uint32_t timestamp_t;
MikamiUitOpen 2:cf42e62a97dc 22
MikamiUitOpen 2:cf42e62a97dc 23 /** Ticker's event structure
MikamiUitOpen 2:cf42e62a97dc 24 */
MikamiUitOpen 2:cf42e62a97dc 25 typedef struct ticker_event_s {
MikamiUitOpen 2:cf42e62a97dc 26 timestamp_t timestamp; /**< Event's timestamp */
MikamiUitOpen 2:cf42e62a97dc 27 uint32_t id; /**< TimerEvent object */
MikamiUitOpen 2:cf42e62a97dc 28 struct ticker_event_s *next; /**< Next event in the queue */
MikamiUitOpen 2:cf42e62a97dc 29 } ticker_event_t;
MikamiUitOpen 2:cf42e62a97dc 30
MikamiUitOpen 2:cf42e62a97dc 31 typedef void (*ticker_event_handler)(uint32_t id);
MikamiUitOpen 2:cf42e62a97dc 32
MikamiUitOpen 2:cf42e62a97dc 33 /** Ticker's interface structure - required API for a ticker
MikamiUitOpen 2:cf42e62a97dc 34 */
MikamiUitOpen 2:cf42e62a97dc 35 typedef struct {
MikamiUitOpen 2:cf42e62a97dc 36 void (*init)(void); /**< Init function */
MikamiUitOpen 2:cf42e62a97dc 37 uint32_t (*read)(void); /**< Read function */
MikamiUitOpen 2:cf42e62a97dc 38 void (*disable_interrupt)(void); /**< Disable interrupt function */
MikamiUitOpen 2:cf42e62a97dc 39 void (*clear_interrupt)(void); /**< Clear interrupt function */
MikamiUitOpen 2:cf42e62a97dc 40 void (*set_interrupt)(timestamp_t timestamp); /**< Set interrupt function */
MikamiUitOpen 2:cf42e62a97dc 41 } ticker_interface_t;
MikamiUitOpen 2:cf42e62a97dc 42
MikamiUitOpen 2:cf42e62a97dc 43 /** Tickers events queue structure
MikamiUitOpen 2:cf42e62a97dc 44 */
MikamiUitOpen 2:cf42e62a97dc 45 typedef struct {
MikamiUitOpen 2:cf42e62a97dc 46 ticker_event_handler event_handler; /**< Event handler */
MikamiUitOpen 2:cf42e62a97dc 47 ticker_event_t *head; /**< A pointer to head */
MikamiUitOpen 2:cf42e62a97dc 48 } ticker_event_queue_t;
MikamiUitOpen 2:cf42e62a97dc 49
MikamiUitOpen 2:cf42e62a97dc 50 /** Tickers data structure
MikamiUitOpen 2:cf42e62a97dc 51 */
MikamiUitOpen 2:cf42e62a97dc 52 typedef struct {
MikamiUitOpen 2:cf42e62a97dc 53 const ticker_interface_t *interface; /**< Ticker's interface */
MikamiUitOpen 2:cf42e62a97dc 54 ticker_event_queue_t *queue; /**< Ticker's events queue */
MikamiUitOpen 2:cf42e62a97dc 55 } ticker_data_t;
MikamiUitOpen 2:cf42e62a97dc 56
MikamiUitOpen 2:cf42e62a97dc 57 #ifdef __cplusplus
MikamiUitOpen 2:cf42e62a97dc 58 extern "C" {
MikamiUitOpen 2:cf42e62a97dc 59 #endif
MikamiUitOpen 2:cf42e62a97dc 60
MikamiUitOpen 2:cf42e62a97dc 61 /** Initialize a ticker and sets the event handler
MikamiUitOpen 2:cf42e62a97dc 62 *
MikamiUitOpen 2:cf42e62a97dc 63 * @param data The ticker's data
MikamiUitOpen 2:cf42e62a97dc 64 * @param handler A handler to be set
MikamiUitOpen 2:cf42e62a97dc 65 */
MikamiUitOpen 2:cf42e62a97dc 66 void ticker_set_handler(const ticker_data_t *const data, ticker_event_handler handler);
MikamiUitOpen 2:cf42e62a97dc 67
MikamiUitOpen 2:cf42e62a97dc 68 /** Irq handler which goes through the events to trigger events in the past.
MikamiUitOpen 2:cf42e62a97dc 69 *
MikamiUitOpen 2:cf42e62a97dc 70 * @param data The ticker's data
MikamiUitOpen 2:cf42e62a97dc 71 */
MikamiUitOpen 2:cf42e62a97dc 72 void ticker_irq_handler(const ticker_data_t *const data);
MikamiUitOpen 2:cf42e62a97dc 73
MikamiUitOpen 2:cf42e62a97dc 74 /** Remove an event from the queue
MikamiUitOpen 2:cf42e62a97dc 75 *
MikamiUitOpen 2:cf42e62a97dc 76 * @param data The ticker's data
MikamiUitOpen 2:cf42e62a97dc 77 * @param obj The event's queue to be removed
MikamiUitOpen 2:cf42e62a97dc 78 */
MikamiUitOpen 2:cf42e62a97dc 79 void ticker_remove_event(const ticker_data_t *const data, ticker_event_t *obj);
MikamiUitOpen 2:cf42e62a97dc 80
MikamiUitOpen 2:cf42e62a97dc 81 /** Insert an event from the queue
MikamiUitOpen 2:cf42e62a97dc 82 *
MikamiUitOpen 2:cf42e62a97dc 83 * @param data The ticker's data
MikamiUitOpen 2:cf42e62a97dc 84 * @param obj The event's queue to be removed
MikamiUitOpen 2:cf42e62a97dc 85 * @param timestamp The event's timestamp
MikamiUitOpen 2:cf42e62a97dc 86 * @param id The event object
MikamiUitOpen 2:cf42e62a97dc 87 */
MikamiUitOpen 2:cf42e62a97dc 88 void ticker_insert_event(const ticker_data_t *const data, ticker_event_t *obj, timestamp_t timestamp, uint32_t id);
MikamiUitOpen 2:cf42e62a97dc 89
MikamiUitOpen 2:cf42e62a97dc 90 /** Read the current ticker's timestamp
MikamiUitOpen 2:cf42e62a97dc 91 *
MikamiUitOpen 2:cf42e62a97dc 92 * @param data The ticker's data
MikamiUitOpen 2:cf42e62a97dc 93 * @return The current timestamp
MikamiUitOpen 2:cf42e62a97dc 94 */
MikamiUitOpen 2:cf42e62a97dc 95 timestamp_t ticker_read(const ticker_data_t *const data);
MikamiUitOpen 2:cf42e62a97dc 96
MikamiUitOpen 2:cf42e62a97dc 97 /** Read the next event's timestamp
MikamiUitOpen 2:cf42e62a97dc 98 *
MikamiUitOpen 2:cf42e62a97dc 99 * @param data The ticker's data
MikamiUitOpen 2:cf42e62a97dc 100 * @return 1 if timestamp is pending event, 0 if there's no event pending
MikamiUitOpen 2:cf42e62a97dc 101 */
MikamiUitOpen 2:cf42e62a97dc 102 int ticker_get_next_timestamp(const ticker_data_t *const data, timestamp_t *timestamp);
MikamiUitOpen 2:cf42e62a97dc 103
MikamiUitOpen 2:cf42e62a97dc 104 #ifdef __cplusplus
MikamiUitOpen 2:cf42e62a97dc 105 }
MikamiUitOpen 2:cf42e62a97dc 106 #endif
MikamiUitOpen 2:cf42e62a97dc 107
MikamiUitOpen 2:cf42e62a97dc 108 #endif