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@2:cf42e62a97dc, 2016-10-02 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Sun Oct 02 03:29:34 2016 +0000
- Revision:
- 2:cf42e62a97dc
3
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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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 |