Takaaki Numai / mbed-dev

inport from local

Dependents:   Hobbyking_Cheetah_0511

drivers/Ticker.cpp@0:85b3fd62ea1a, 2020-03-16 (annotated)

Committer:
NYX
Date:
Mon Mar 16 06:35:48 2020 +0000
Revision:
0:85b3fd62ea1a
reinport to mbed;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
NYX 0:85b3fd62ea1a 1 /* mbed Microcontroller Library
NYX 0:85b3fd62ea1a 2 * Copyright (c) 2006-2013 ARM Limited
NYX 0:85b3fd62ea1a 3 *
NYX 0:85b3fd62ea1a 4 * Licensed under the Apache License, Version 2.0 (the "License");
NYX 0:85b3fd62ea1a 5 * you may not use this file except in compliance with the License.
NYX 0:85b3fd62ea1a 6 * You may obtain a copy of the License at
NYX 0:85b3fd62ea1a 7 *
NYX 0:85b3fd62ea1a 8 * http://www.apache.org/licenses/LICENSE-2.0
NYX 0:85b3fd62ea1a 9 *
NYX 0:85b3fd62ea1a 10 * Unless required by applicable law or agreed to in writing, software
NYX 0:85b3fd62ea1a 11 * distributed under the License is distributed on an "AS IS" BASIS,
NYX 0:85b3fd62ea1a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
NYX 0:85b3fd62ea1a 13 * See the License for the specific language governing permissions and
NYX 0:85b3fd62ea1a 14 * limitations under the License.
NYX 0:85b3fd62ea1a 15 */
NYX 0:85b3fd62ea1a 16 #include "drivers/Ticker.h"
NYX 0:85b3fd62ea1a 17
NYX 0:85b3fd62ea1a 18 #include "drivers/TimerEvent.h"
NYX 0:85b3fd62ea1a 19 #include "platform/FunctionPointer.h"
NYX 0:85b3fd62ea1a 20 #include "hal/ticker_api.h"
NYX 0:85b3fd62ea1a 21 #include "platform/mbed_critical.h"
NYX 0:85b3fd62ea1a 22
NYX 0:85b3fd62ea1a 23 namespace mbed {
NYX 0:85b3fd62ea1a 24
NYX 0:85b3fd62ea1a 25 void Ticker::detach() {
NYX 0:85b3fd62ea1a 26 core_util_critical_section_enter();
NYX 0:85b3fd62ea1a 27 remove();
NYX 0:85b3fd62ea1a 28 // unlocked only if we were attached (we locked it) and this is not low power ticker
NYX 0:85b3fd62ea1a 29 if(_function && _lock_deepsleep) {
NYX 0:85b3fd62ea1a 30 sleep_manager_unlock_deep_sleep();
NYX 0:85b3fd62ea1a 31 }
NYX 0:85b3fd62ea1a 32
NYX 0:85b3fd62ea1a 33 _function = 0;
NYX 0:85b3fd62ea1a 34 core_util_critical_section_exit();
NYX 0:85b3fd62ea1a 35 }
NYX 0:85b3fd62ea1a 36
NYX 0:85b3fd62ea1a 37 void Ticker::setup(us_timestamp_t t) {
NYX 0:85b3fd62ea1a 38 core_util_critical_section_enter();
NYX 0:85b3fd62ea1a 39 remove();
NYX 0:85b3fd62ea1a 40 _delay = t;
NYX 0:85b3fd62ea1a 41 insert_absolute(_delay + ticker_read_us(_ticker_data));
NYX 0:85b3fd62ea1a 42 core_util_critical_section_exit();
NYX 0:85b3fd62ea1a 43 }
NYX 0:85b3fd62ea1a 44
NYX 0:85b3fd62ea1a 45 void Ticker::handler() {
NYX 0:85b3fd62ea1a 46 insert_absolute(event.timestamp + _delay);
NYX 0:85b3fd62ea1a 47 if (_function) {
NYX 0:85b3fd62ea1a 48 _function();
NYX 0:85b3fd62ea1a 49 }
NYX 0:85b3fd62ea1a 50 }
NYX 0:85b3fd62ea1a 51
NYX 0:85b3fd62ea1a 52 } // namespace mbed