BA
/
BaBoRo_test2
Backup 1
mbed-os/drivers/Ticker.cpp@0:02dd72d1d465, 2018-04-24 (annotated)
- Committer:
- borlanic
- Date:
- Tue Apr 24 11:45:18 2018 +0000
- Revision:
- 0:02dd72d1d465
BaBoRo_test2 - backup 1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
borlanic | 0:02dd72d1d465 | 1 | /* mbed Microcontroller Library |
borlanic | 0:02dd72d1d465 | 2 | * Copyright (c) 2006-2013 ARM Limited |
borlanic | 0:02dd72d1d465 | 3 | * |
borlanic | 0:02dd72d1d465 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
borlanic | 0:02dd72d1d465 | 5 | * you may not use this file except in compliance with the License. |
borlanic | 0:02dd72d1d465 | 6 | * You may obtain a copy of the License at |
borlanic | 0:02dd72d1d465 | 7 | * |
borlanic | 0:02dd72d1d465 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
borlanic | 0:02dd72d1d465 | 9 | * |
borlanic | 0:02dd72d1d465 | 10 | * Unless required by applicable law or agreed to in writing, software |
borlanic | 0:02dd72d1d465 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
borlanic | 0:02dd72d1d465 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
borlanic | 0:02dd72d1d465 | 13 | * See the License for the specific language governing permissions and |
borlanic | 0:02dd72d1d465 | 14 | * limitations under the License. |
borlanic | 0:02dd72d1d465 | 15 | */ |
borlanic | 0:02dd72d1d465 | 16 | #include "drivers/Ticker.h" |
borlanic | 0:02dd72d1d465 | 17 | |
borlanic | 0:02dd72d1d465 | 18 | #include "drivers/TimerEvent.h" |
borlanic | 0:02dd72d1d465 | 19 | #include "platform/FunctionPointer.h" |
borlanic | 0:02dd72d1d465 | 20 | #include "hal/ticker_api.h" |
borlanic | 0:02dd72d1d465 | 21 | #include "platform/mbed_critical.h" |
borlanic | 0:02dd72d1d465 | 22 | |
borlanic | 0:02dd72d1d465 | 23 | namespace mbed { |
borlanic | 0:02dd72d1d465 | 24 | |
borlanic | 0:02dd72d1d465 | 25 | void Ticker::detach() { |
borlanic | 0:02dd72d1d465 | 26 | core_util_critical_section_enter(); |
borlanic | 0:02dd72d1d465 | 27 | remove(); |
borlanic | 0:02dd72d1d465 | 28 | // unlocked only if we were attached (we locked it) and this is not low power ticker |
borlanic | 0:02dd72d1d465 | 29 | if(_function && _lock_deepsleep) { |
borlanic | 0:02dd72d1d465 | 30 | sleep_manager_unlock_deep_sleep(); |
borlanic | 0:02dd72d1d465 | 31 | } |
borlanic | 0:02dd72d1d465 | 32 | |
borlanic | 0:02dd72d1d465 | 33 | _function = 0; |
borlanic | 0:02dd72d1d465 | 34 | core_util_critical_section_exit(); |
borlanic | 0:02dd72d1d465 | 35 | } |
borlanic | 0:02dd72d1d465 | 36 | |
borlanic | 0:02dd72d1d465 | 37 | void Ticker::setup(us_timestamp_t t) { |
borlanic | 0:02dd72d1d465 | 38 | core_util_critical_section_enter(); |
borlanic | 0:02dd72d1d465 | 39 | remove(); |
borlanic | 0:02dd72d1d465 | 40 | _delay = t; |
borlanic | 0:02dd72d1d465 | 41 | insert_absolute(_delay + ticker_read_us(_ticker_data)); |
borlanic | 0:02dd72d1d465 | 42 | core_util_critical_section_exit(); |
borlanic | 0:02dd72d1d465 | 43 | } |
borlanic | 0:02dd72d1d465 | 44 | |
borlanic | 0:02dd72d1d465 | 45 | void Ticker::handler() { |
borlanic | 0:02dd72d1d465 | 46 | insert_absolute(event.timestamp + _delay); |
borlanic | 0:02dd72d1d465 | 47 | if (_function) { |
borlanic | 0:02dd72d1d465 | 48 | _function(); |
borlanic | 0:02dd72d1d465 | 49 | } |
borlanic | 0:02dd72d1d465 | 50 | } |
borlanic | 0:02dd72d1d465 | 51 | |
borlanic | 0:02dd72d1d465 | 52 | } // namespace mbed |