Amit Gandhi / mbed-dev

test

Fork of mbed-dev by mbed official

drivers/Ticker.cpp@175:b96e65c34a4d, 2017-10-02 (annotated)

Committer:
AnnaBridge
Date:
Mon Oct 02 15:33:19 2017 +0100
Revision:
175:b96e65c34a4d
Parent:
168:e84263d55307
Child:
176:af195413fb11
This updates the lib to the mbed lib v 152

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:b96e65c34a4d 28 // unlocked only if we were attached (we locked it)
AnnaBridge 175:b96e65c34a4d 29 if (_function) {
AnnaBridge 175:b96e65c34a4d 30 sleep_manager_unlock_deep_sleep();
AnnaBridge 175:b96e65c34a4d 31 }
<> 160:d5399cc887bb 32 _function = 0;
<> 149:156823d33999 33 core_util_critical_section_exit();
<> 149:156823d33999 34 }
<> 149:156823d33999 35
AnnaBridge 168:e84263d55307 36 void Ticker::setup(us_timestamp_t t) {
<> 149:156823d33999 37 core_util_critical_section_enter();
<> 149:156823d33999 38 remove();
<> 149:156823d33999 39 _delay = t;
AnnaBridge 168:e84263d55307 40 insert_absolute(_delay + ticker_read_us(_ticker_data));
<> 149:156823d33999 41 core_util_critical_section_exit();
<> 149:156823d33999 42 }
<> 149:156823d33999 43
<> 149:156823d33999 44 void Ticker::handler() {
AnnaBridge 168:e84263d55307 45 insert_absolute(event.timestamp + _delay);
AnnaBridge 175:b96e65c34a4d 46 if (_function) {
AnnaBridge 175:b96e65c34a4d 47 _function();
AnnaBridge 175:b96e65c34a4d 48 }
<> 149:156823d33999 49 }
<> 149:156823d33999 50
<> 149:156823d33999 51 } // namespace mbed