teralytic / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed by teralytic

common/Ticker.cpp@148:4802eb17e82b, 2016-10-17 (annotated)

Committer:
rodriguise
Date:
Mon Oct 17 18:47:01 2016 +0000
Revision:
148:4802eb17e82b
Parent:
144:ef7eb2e8f9f7 
backup

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<> 144:ef7eb2e8f9f7 1 /* mbed Microcontroller Library
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2006-2013 ARM Limited
<> 144:ef7eb2e8f9f7 3 *
<> 144:ef7eb2e8f9f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 144:ef7eb2e8f9f7 5 * you may not use this file except in compliance with the License.
<> 144:ef7eb2e8f9f7 6 * You may obtain a copy of the License at
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 * Unless required by applicable law or agreed to in writing, software
<> 144:ef7eb2e8f9f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 144:ef7eb2e8f9f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 144:ef7eb2e8f9f7 13 * See the License for the specific language governing permissions and
<> 144:ef7eb2e8f9f7 14 * limitations under the License.
<> 144:ef7eb2e8f9f7 15 */
<> 144:ef7eb2e8f9f7 16 #include "Ticker.h"
<> 144:ef7eb2e8f9f7 17
<> 144:ef7eb2e8f9f7 18 #include "TimerEvent.h"
<> 144:ef7eb2e8f9f7 19 #include "FunctionPointer.h"
<> 144:ef7eb2e8f9f7 20 #include "ticker_api.h"
<> 144:ef7eb2e8f9f7 21 #include "critical.h"
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23 namespace mbed {
<> 144:ef7eb2e8f9f7 24
<> 144:ef7eb2e8f9f7 25 void Ticker::detach() {
<> 144:ef7eb2e8f9f7 26 core_util_critical_section_enter();
<> 144:ef7eb2e8f9f7 27 remove();
<> 144:ef7eb2e8f9f7 28 _function.attach(0);
<> 144:ef7eb2e8f9f7 29 core_util_critical_section_exit();
<> 144:ef7eb2e8f9f7 30 }
<> 144:ef7eb2e8f9f7 31
<> 144:ef7eb2e8f9f7 32 void Ticker::setup(timestamp_t t) {
<> 144:ef7eb2e8f9f7 33 core_util_critical_section_enter();
<> 144:ef7eb2e8f9f7 34 remove();
<> 144:ef7eb2e8f9f7 35 _delay = t;
<> 144:ef7eb2e8f9f7 36 insert(_delay + ticker_read(_ticker_data));
<> 144:ef7eb2e8f9f7 37 core_util_critical_section_exit();
<> 144:ef7eb2e8f9f7 38 }
<> 144:ef7eb2e8f9f7 39
<> 144:ef7eb2e8f9f7 40 void Ticker::handler() {
<> 144:ef7eb2e8f9f7 41 insert(event.timestamp + _delay);
<> 144:ef7eb2e8f9f7 42 _function.call();
<> 144:ef7eb2e8f9f7 43 }
<> 144:ef7eb2e8f9f7 44
<> 144:ef7eb2e8f9f7 45 } // namespace mbed