mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

drivers/Ticker.cpp@187:0387e8f68319, 2018-09-06 (annotated)

Committer:
AnnaBridge
Date:
Thu Sep 06 13:40:20 2018 +0100
Revision:
187:0387e8f68319
Parent:
175:af195413fb11
Child:
189:f392fc9709a3
mbed-dev library. Release version 163

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
AnnaBridge 187:0387e8f68319 25 void Ticker::detach()
AnnaBridge 187:0387e8f68319 26 {
<> 149:156823d33999 27 core_util_critical_section_enter();
<> 149:156823d33999 28 remove();
AnnaBridge 175:af195413fb11 29 // unlocked only if we were attached (we locked it) and this is not low power ticker
AnnaBridge 187:0387e8f68319 30 if (_function && _lock_deepsleep) {
AnnaBridge 174:b96e65c34a4d 31 sleep_manager_unlock_deep_sleep();
AnnaBridge 174:b96e65c34a4d 32 }
AnnaBridge 175:af195413fb11 33
<> 160:d5399cc887bb 34 _function = 0;
<> 149:156823d33999 35 core_util_critical_section_exit();
<> 149:156823d33999 36 }
<> 149:156823d33999 37
AnnaBridge 187:0387e8f68319 38 void Ticker::setup(us_timestamp_t t)
AnnaBridge 187:0387e8f68319 39 {
<> 149:156823d33999 40 core_util_critical_section_enter();
<> 149:156823d33999 41 remove();
<> 149:156823d33999 42 _delay = t;
AnnaBridge 167:e84263d55307 43 insert_absolute(_delay + ticker_read_us(_ticker_data));
<> 149:156823d33999 44 core_util_critical_section_exit();
<> 149:156823d33999 45 }
<> 149:156823d33999 46
AnnaBridge 187:0387e8f68319 47 void Ticker::handler()
AnnaBridge 187:0387e8f68319 48 {
AnnaBridge 167:e84263d55307 49 insert_absolute(event.timestamp + _delay);
AnnaBridge 174:b96e65c34a4d 50 if (_function) {
AnnaBridge 174:b96e65c34a4d 51 _function();
AnnaBridge 174:b96e65c34a4d 52 }
<> 149:156823d33999 53 }
<> 149:156823d33999 54
<> 149:156823d33999 55 } // namespace mbed