Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

drivers/Ticker.cpp@0:f269e3021894, 2016-10-23 (annotated)

Committer:
elessair
Date:
Sun Oct 23 15:10:02 2016 +0000
Revision:
0:f269e3021894
Initial commit

Who changed what in which revision?

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elessair 0:f269e3021894 1 /* mbed Microcontroller Library
elessair 0:f269e3021894 2 * Copyright (c) 2006-2013 ARM Limited
elessair 0:f269e3021894 3 *
elessair 0:f269e3021894 4 * Licensed under the Apache License, Version 2.0 (the "License");
elessair 0:f269e3021894 5 * you may not use this file except in compliance with the License.
elessair 0:f269e3021894 6 * You may obtain a copy of the License at
elessair 0:f269e3021894 7 *
elessair 0:f269e3021894 8 * http://www.apache.org/licenses/LICENSE-2.0
elessair 0:f269e3021894 9 *
elessair 0:f269e3021894 10 * Unless required by applicable law or agreed to in writing, software
elessair 0:f269e3021894 11 * distributed under the License is distributed on an "AS IS" BASIS,
elessair 0:f269e3021894 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:f269e3021894 13 * See the License for the specific language governing permissions and
elessair 0:f269e3021894 14 * limitations under the License.
elessair 0:f269e3021894 15 */
elessair 0:f269e3021894 16 #include "drivers/Ticker.h"
elessair 0:f269e3021894 17
elessair 0:f269e3021894 18 #include "drivers/TimerEvent.h"
elessair 0:f269e3021894 19 #include "platform/FunctionPointer.h"
elessair 0:f269e3021894 20 #include "hal/ticker_api.h"
elessair 0:f269e3021894 21 #include "platform/critical.h"
elessair 0:f269e3021894 22
elessair 0:f269e3021894 23 namespace mbed {
elessair 0:f269e3021894 24
elessair 0:f269e3021894 25 void Ticker::detach() {
elessair 0:f269e3021894 26 core_util_critical_section_enter();
elessair 0:f269e3021894 27 remove();
elessair 0:f269e3021894 28 _function.attach(0);
elessair 0:f269e3021894 29 core_util_critical_section_exit();
elessair 0:f269e3021894 30 }
elessair 0:f269e3021894 31
elessair 0:f269e3021894 32 void Ticker::setup(timestamp_t t) {
elessair 0:f269e3021894 33 core_util_critical_section_enter();
elessair 0:f269e3021894 34 remove();
elessair 0:f269e3021894 35 _delay = t;
elessair 0:f269e3021894 36 insert(_delay + ticker_read(_ticker_data));
elessair 0:f269e3021894 37 core_util_critical_section_exit();
elessair 0:f269e3021894 38 }
elessair 0:f269e3021894 39
elessair 0:f269e3021894 40 void Ticker::handler() {
elessair 0:f269e3021894 41 insert(event.timestamp + _delay);
elessair 0:f269e3021894 42 _function.call();
elessair 0:f269e3021894 43 }
elessair 0:f269e3021894 44
elessair 0:f269e3021894 45 } // namespace mbed