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mbed-dev/drivers/Ticker.cpp@1:d0dfbce63a89, 2017-02-24 (annotated)

Committer:
elmot
Date:
Fri Feb 24 21:13:56 2017 +0000
Revision:
1:d0dfbce63a89
Ready-to-copy

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elmot 1:d0dfbce63a89 1 /* mbed Microcontroller Library
elmot 1:d0dfbce63a89 2 * Copyright (c) 2006-2013 ARM Limited
elmot 1:d0dfbce63a89 3 *
elmot 1:d0dfbce63a89 4 * Licensed under the Apache License, Version 2.0 (the "License");
elmot 1:d0dfbce63a89 5 * you may not use this file except in compliance with the License.
elmot 1:d0dfbce63a89 6 * You may obtain a copy of the License at
elmot 1:d0dfbce63a89 7 *
elmot 1:d0dfbce63a89 8 * http://www.apache.org/licenses/LICENSE-2.0
elmot 1:d0dfbce63a89 9 *
elmot 1:d0dfbce63a89 10 * Unless required by applicable law or agreed to in writing, software
elmot 1:d0dfbce63a89 11 * distributed under the License is distributed on an "AS IS" BASIS,
elmot 1:d0dfbce63a89 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elmot 1:d0dfbce63a89 13 * See the License for the specific language governing permissions and
elmot 1:d0dfbce63a89 14 * limitations under the License.
elmot 1:d0dfbce63a89 15 */
elmot 1:d0dfbce63a89 16 #include "drivers/Ticker.h"
elmot 1:d0dfbce63a89 17
elmot 1:d0dfbce63a89 18 #include "drivers/TimerEvent.h"
elmot 1:d0dfbce63a89 19 #include "platform/FunctionPointer.h"
elmot 1:d0dfbce63a89 20 #include "hal/ticker_api.h"
elmot 1:d0dfbce63a89 21 #include "platform/critical.h"
elmot 1:d0dfbce63a89 22
elmot 1:d0dfbce63a89 23 namespace mbed {
elmot 1:d0dfbce63a89 24
elmot 1:d0dfbce63a89 25 void Ticker::detach() {
elmot 1:d0dfbce63a89 26 core_util_critical_section_enter();
elmot 1:d0dfbce63a89 27 remove();
elmot 1:d0dfbce63a89 28 _function.attach(0);
elmot 1:d0dfbce63a89 29 core_util_critical_section_exit();
elmot 1:d0dfbce63a89 30 }
elmot 1:d0dfbce63a89 31
elmot 1:d0dfbce63a89 32 void Ticker::setup(timestamp_t t) {
elmot 1:d0dfbce63a89 33 core_util_critical_section_enter();
elmot 1:d0dfbce63a89 34 remove();
elmot 1:d0dfbce63a89 35 _delay = t;
elmot 1:d0dfbce63a89 36 insert(_delay + ticker_read(_ticker_data));
elmot 1:d0dfbce63a89 37 core_util_critical_section_exit();
elmot 1:d0dfbce63a89 38 }
elmot 1:d0dfbce63a89 39
elmot 1:d0dfbce63a89 40 void Ticker::handler() {
elmot 1:d0dfbce63a89 41 insert(event.timestamp + _delay);
elmot 1:d0dfbce63a89 42 _function.call();
elmot 1:d0dfbce63a89 43 }
elmot 1:d0dfbce63a89 44
elmot 1:d0dfbce63a89 45 } // namespace mbed