Tamura Mizuki / STM32F746_FFT

fft

Dependencies:   BSP_DISCO_F746NG SDFileSystem_Warning_Fixed

mbed_src_STM32F7/hal/ticker_api.h@3:6f7e05dd8d15, 2020-03-06 (annotated)

Committer:
aria19970520
Date:
Fri Mar 06 06:52:14 2020 +0000
Revision:
3:6f7e05dd8d15
Parent:
0:3e46577dc273 
fft

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:3e46577dc273 1 /* mbed Microcontroller Library
MikamiUitOpen 0:3e46577dc273 2 * Copyright (c) 2015 ARM Limited
MikamiUitOpen 0:3e46577dc273 3 *
MikamiUitOpen 0:3e46577dc273 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:3e46577dc273 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:3e46577dc273 6 * You may obtain a copy of the License at
MikamiUitOpen 0:3e46577dc273 7 *
MikamiUitOpen 0:3e46577dc273 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:3e46577dc273 9 *
MikamiUitOpen 0:3e46577dc273 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:3e46577dc273 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:3e46577dc273 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:3e46577dc273 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:3e46577dc273 14 * limitations under the License.
MikamiUitOpen 0:3e46577dc273 15 */
MikamiUitOpen 0:3e46577dc273 16 #ifndef MBED_TICKER_API_H
MikamiUitOpen 0:3e46577dc273 17 #define MBED_TICKER_API_H
MikamiUitOpen 0:3e46577dc273 18
MikamiUitOpen 0:3e46577dc273 19 #include "device.h"
MikamiUitOpen 0:3e46577dc273 20
MikamiUitOpen 0:3e46577dc273 21 typedef uint32_t timestamp_t;
MikamiUitOpen 0:3e46577dc273 22
MikamiUitOpen 0:3e46577dc273 23 /** Ticker's event structure
MikamiUitOpen 0:3e46577dc273 24 */
MikamiUitOpen 0:3e46577dc273 25 typedef struct ticker_event_s {
MikamiUitOpen 0:3e46577dc273 26 timestamp_t timestamp; /**< Event's timestamp */
MikamiUitOpen 0:3e46577dc273 27 uint32_t id; /**< TimerEvent object */
MikamiUitOpen 0:3e46577dc273 28 struct ticker_event_s *next; /**< Next event in the queue */
MikamiUitOpen 0:3e46577dc273 29 } ticker_event_t;
MikamiUitOpen 0:3e46577dc273 30
MikamiUitOpen 0:3e46577dc273 31 typedef void (*ticker_event_handler)(uint32_t id);
MikamiUitOpen 0:3e46577dc273 32
MikamiUitOpen 0:3e46577dc273 33 /** Ticker's interface structure - required API for a ticker
MikamiUitOpen 0:3e46577dc273 34 */
MikamiUitOpen 0:3e46577dc273 35 typedef struct {
MikamiUitOpen 0:3e46577dc273 36 void (*init)(void); /**< Init function */
MikamiUitOpen 0:3e46577dc273 37 uint32_t (*read)(void); /**< Read function */
MikamiUitOpen 0:3e46577dc273 38 void (*disable_interrupt)(void); /**< Disable interrupt function */
MikamiUitOpen 0:3e46577dc273 39 void (*clear_interrupt)(void); /**< Clear interrupt function */
MikamiUitOpen 0:3e46577dc273 40 void (*set_interrupt)(timestamp_t timestamp); /**< Set interrupt function */
MikamiUitOpen 0:3e46577dc273 41 } ticker_interface_t;
MikamiUitOpen 0:3e46577dc273 42
MikamiUitOpen 0:3e46577dc273 43 /** Tickers events queue structure
MikamiUitOpen 0:3e46577dc273 44 */
MikamiUitOpen 0:3e46577dc273 45 typedef struct {
MikamiUitOpen 0:3e46577dc273 46 ticker_event_handler event_handler; /**< Event handler */
MikamiUitOpen 0:3e46577dc273 47 ticker_event_t *head; /**< A pointer to head */
MikamiUitOpen 0:3e46577dc273 48 } ticker_event_queue_t;
MikamiUitOpen 0:3e46577dc273 49
MikamiUitOpen 0:3e46577dc273 50 /** Tickers data structure
MikamiUitOpen 0:3e46577dc273 51 */
MikamiUitOpen 0:3e46577dc273 52 typedef struct {
MikamiUitOpen 0:3e46577dc273 53 const ticker_interface_t *interface; /**< Ticker's interface */
MikamiUitOpen 0:3e46577dc273 54 ticker_event_queue_t *queue; /**< Ticker's events queue */
MikamiUitOpen 0:3e46577dc273 55 } ticker_data_t;
MikamiUitOpen 0:3e46577dc273 56
MikamiUitOpen 0:3e46577dc273 57 #ifdef __cplusplus
MikamiUitOpen 0:3e46577dc273 58 extern "C" {
MikamiUitOpen 0:3e46577dc273 59 #endif
MikamiUitOpen 0:3e46577dc273 60
MikamiUitOpen 0:3e46577dc273 61 /** Initialize a ticker and sets the event handler
MikamiUitOpen 0:3e46577dc273 62 *
MikamiUitOpen 0:3e46577dc273 63 * @param data The ticker's data
MikamiUitOpen 0:3e46577dc273 64 * @param handler A handler to be set
MikamiUitOpen 0:3e46577dc273 65 */
MikamiUitOpen 0:3e46577dc273 66 void ticker_set_handler(const ticker_data_t *const data, ticker_event_handler handler);
MikamiUitOpen 0:3e46577dc273 67
MikamiUitOpen 0:3e46577dc273 68 /** Irq handler which goes through the events to trigger events in the past.
MikamiUitOpen 0:3e46577dc273 69 *
MikamiUitOpen 0:3e46577dc273 70 * @param data The ticker's data
MikamiUitOpen 0:3e46577dc273 71 */
MikamiUitOpen 0:3e46577dc273 72 void ticker_irq_handler(const ticker_data_t *const data);
MikamiUitOpen 0:3e46577dc273 73
MikamiUitOpen 0:3e46577dc273 74 /** Remove an event from the queue
MikamiUitOpen 0:3e46577dc273 75 *
MikamiUitOpen 0:3e46577dc273 76 * @param data The ticker's data
MikamiUitOpen 0:3e46577dc273 77 * @param obj The event's queue to be removed
MikamiUitOpen 0:3e46577dc273 78 */
MikamiUitOpen 0:3e46577dc273 79 void ticker_remove_event(const ticker_data_t *const data, ticker_event_t *obj);
MikamiUitOpen 0:3e46577dc273 80
MikamiUitOpen 0:3e46577dc273 81 /** Insert an event from the queue
MikamiUitOpen 0:3e46577dc273 82 *
MikamiUitOpen 0:3e46577dc273 83 * @param data The ticker's data
MikamiUitOpen 0:3e46577dc273 84 * @param obj The event's queue to be removed
MikamiUitOpen 0:3e46577dc273 85 * @param timestamp The event's timestamp
MikamiUitOpen 0:3e46577dc273 86 * @param id The event object
MikamiUitOpen 0:3e46577dc273 87 */
MikamiUitOpen 0:3e46577dc273 88 void ticker_insert_event(const ticker_data_t *const data, ticker_event_t *obj, timestamp_t timestamp, uint32_t id);
MikamiUitOpen 0:3e46577dc273 89
MikamiUitOpen 0:3e46577dc273 90 /** Read the current ticker's timestamp
MikamiUitOpen 0:3e46577dc273 91 *
MikamiUitOpen 0:3e46577dc273 92 * @param data The ticker's data
MikamiUitOpen 0:3e46577dc273 93 * @return The current timestamp
MikamiUitOpen 0:3e46577dc273 94 */
MikamiUitOpen 0:3e46577dc273 95 timestamp_t ticker_read(const ticker_data_t *const data);
MikamiUitOpen 0:3e46577dc273 96
MikamiUitOpen 0:3e46577dc273 97 /** Read the next event's timestamp
MikamiUitOpen 0:3e46577dc273 98 *
MikamiUitOpen 0:3e46577dc273 99 * @param data The ticker's data
MikamiUitOpen 0:3e46577dc273 100 * @return 1 if timestamp is pending event, 0 if there's no event pending
MikamiUitOpen 0:3e46577dc273 101 */
MikamiUitOpen 0:3e46577dc273 102 int ticker_get_next_timestamp(const ticker_data_t *const data, timestamp_t *timestamp);
MikamiUitOpen 0:3e46577dc273 103
MikamiUitOpen 0:3e46577dc273 104 #ifdef __cplusplus
MikamiUitOpen 0:3e46577dc273 105 }
MikamiUitOpen 0:3e46577dc273 106 #endif
MikamiUitOpen 0:3e46577dc273 107
MikamiUitOpen 0:3e46577dc273 108 #endif