zhang boie / mbed-dev-f30333

drivers/TimerEvent.cpp@0:bdf663c61a82, 2022-06-14 (annotated)

Committer:
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4
Date:
Tue Jun 14 09:21:18 2022 +0000
Revision:
0:bdf663c61a82
lib

Who changed what in which revision?

UserRevisionLine numberNew contents of line
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 1 /* mbed Microcontroller Library
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 2 * Copyright (c) 2006-2013 ARM Limited
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 3 *
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 4 * Licensed under the Apache License, Version 2.0 (the "License");
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 5 * you may not use this file except in compliance with the License.
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 6 * You may obtain a copy of the License at
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 7 *
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 8 * http://www.apache.org/licenses/LICENSE-2.0
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 9 *
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 10 * Unless required by applicable law or agreed to in writing, software
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 11 * distributed under the License is distributed on an "AS IS" BASIS,
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 13 * See the License for the specific language governing permissions and
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 14 * limitations under the License.
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 15 */
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 16 #include "drivers/TimerEvent.h"
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 17 #include "cmsis.h"
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 18
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 19 #include <stddef.h>
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 20 #include "hal/ticker_api.h"
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 21 #include "hal/us_ticker_api.h"
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 22
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 23 namespace mbed {
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 24
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 25 TimerEvent::TimerEvent() : event(), _ticker_data(get_us_ticker_data()) {
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 26 ticker_set_handler(_ticker_data, (&TimerEvent::irq));
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 27 }
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 28
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 29 TimerEvent::TimerEvent(const ticker_data_t *data) : event(), _ticker_data(data) {
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 30 ticker_set_handler(_ticker_data, (&TimerEvent::irq));
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 31 }
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 32
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 33 void TimerEvent::irq(uint32_t id) {
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 34 TimerEvent *timer_event = (TimerEvent*)id;
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 35 timer_event->handler();
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 36 }
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 37
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 38 TimerEvent::~TimerEvent() {
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 39 remove();
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 40 }
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 41
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 42 // insert in to linked list
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 43 void TimerEvent::insert(timestamp_t timestamp) {
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 44 ticker_insert_event(_ticker_data, &event, timestamp, (uint32_t)this);
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 45 }
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 46
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 47 void TimerEvent::insert_absolute(us_timestamp_t timestamp) {
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 48 ticker_insert_event_us(_ticker_data, &event, timestamp, (uint32_t)this);
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 49 }
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 50
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 51 void TimerEvent::remove() {
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 52 ticker_remove_event(_ticker_data, &event);
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 53 }
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 54
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 55 } // namespace mbed
abe5b02d-a2d4-4fe9-818e-c4e57c809ea4 0:bdf663c61a82 56