Pedro Correia / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by mbed official

drivers/Ticker.cpp@187:fa51feb62426, 2018-10-09 (annotated)

Committer:
pmcorreia
Date:
Tue Oct 09 14:42:37 2018 +0000
Revision:
187:fa51feb62426
Parent:
175:af195413fb11 
Updated version to work with F446RE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1 /* mbed Microcontroller Library
<> 149:156823d33999 2 * Copyright (c) 2006-2013 ARM Limited
<> 149:156823d33999 3 *
<> 149:156823d33999 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 149:156823d33999 5 * you may not use this file except in compliance with the License.
<> 149:156823d33999 6 * You may obtain a copy of the License at
<> 149:156823d33999 7 *
<> 149:156823d33999 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 149:156823d33999 9 *
<> 149:156823d33999 10 * Unless required by applicable law or agreed to in writing, software
<> 149:156823d33999 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 149:156823d33999 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 149:156823d33999 13 * See the License for the specific language governing permissions and
<> 149:156823d33999 14 * limitations under the License.
<> 149:156823d33999 15 */
<> 149:156823d33999 16 #include "drivers/Ticker.h"
<> 149:156823d33999 17
<> 149:156823d33999 18 #include "drivers/TimerEvent.h"
<> 149:156823d33999 19 #include "platform/FunctionPointer.h"
<> 149:156823d33999 20 #include "hal/ticker_api.h"
<> 160:d5399cc887bb 21 #include "platform/mbed_critical.h"
<> 149:156823d33999 22
<> 149:156823d33999 23 namespace mbed {
<> 149:156823d33999 24
<> 149:156823d33999 25 void Ticker::detach() {
<> 149:156823d33999 26 core_util_critical_section_enter();
<> 149:156823d33999 27 remove();
AnnaBridge 175:af195413fb11 28 // unlocked only if we were attached (we locked it) and this is not low power ticker
AnnaBridge 175:af195413fb11 29 if(_function && _lock_deepsleep) {
AnnaBridge 174:b96e65c34a4d 30 sleep_manager_unlock_deep_sleep();
AnnaBridge 174:b96e65c34a4d 31 }
AnnaBridge 175:af195413fb11 32
<> 160:d5399cc887bb 33 _function = 0;
<> 149:156823d33999 34 core_util_critical_section_exit();
<> 149:156823d33999 35 }
<> 149:156823d33999 36
AnnaBridge 167:e84263d55307 37 void Ticker::setup(us_timestamp_t t) {
<> 149:156823d33999 38 core_util_critical_section_enter();
<> 149:156823d33999 39 remove();
<> 149:156823d33999 40 _delay = t;
AnnaBridge 167:e84263d55307 41 insert_absolute(_delay + ticker_read_us(_ticker_data));
<> 149:156823d33999 42 core_util_critical_section_exit();
<> 149:156823d33999 43 }
<> 149:156823d33999 44
<> 149:156823d33999 45 void Ticker::handler() {
AnnaBridge 167:e84263d55307 46 insert_absolute(event.timestamp + _delay);
AnnaBridge 174:b96e65c34a4d 47 if (_function) {
AnnaBridge 174:b96e65c34a4d 48 _function();
AnnaBridge 174:b96e65c34a4d 49 }
<> 149:156823d33999 50 }
<> 149:156823d33999 51
<> 149:156823d33999 52 } // namespace mbed