Thomas Lyp / DevLibMemoryController

Initial commit

Dependencies:   FastPWM

mbed-dev-master/drivers/Ticker.cpp@0:bb348c97df44, 2020-09-16 (annotated)

Committer:
lypinator
Date:
Wed Sep 16 01:11:49 2020 +0000
Revision:
0:bb348c97df44
Added PWM

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lypinator 0:bb348c97df44 1 /* mbed Microcontroller Library
lypinator 0:bb348c97df44 2 * Copyright (c) 2006-2013 ARM Limited
lypinator 0:bb348c97df44 3 *
lypinator 0:bb348c97df44 4 * Licensed under the Apache License, Version 2.0 (the "License");
lypinator 0:bb348c97df44 5 * you may not use this file except in compliance with the License.
lypinator 0:bb348c97df44 6 * You may obtain a copy of the License at
lypinator 0:bb348c97df44 7 *
lypinator 0:bb348c97df44 8 * http://www.apache.org/licenses/LICENSE-2.0
lypinator 0:bb348c97df44 9 *
lypinator 0:bb348c97df44 10 * Unless required by applicable law or agreed to in writing, software
lypinator 0:bb348c97df44 11 * distributed under the License is distributed on an "AS IS" BASIS,
lypinator 0:bb348c97df44 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
lypinator 0:bb348c97df44 13 * See the License for the specific language governing permissions and
lypinator 0:bb348c97df44 14 * limitations under the License.
lypinator 0:bb348c97df44 15 */
lypinator 0:bb348c97df44 16 #include "drivers/Ticker.h"
lypinator 0:bb348c97df44 17
lypinator 0:bb348c97df44 18 #include "drivers/TimerEvent.h"
lypinator 0:bb348c97df44 19 #include "platform/FunctionPointer.h"
lypinator 0:bb348c97df44 20 #include "hal/ticker_api.h"
lypinator 0:bb348c97df44 21 #include "platform/mbed_critical.h"
lypinator 0:bb348c97df44 22
lypinator 0:bb348c97df44 23 namespace mbed {
lypinator 0:bb348c97df44 24
lypinator 0:bb348c97df44 25 void Ticker::detach()
lypinator 0:bb348c97df44 26 {
lypinator 0:bb348c97df44 27 core_util_critical_section_enter();
lypinator 0:bb348c97df44 28 remove();
lypinator 0:bb348c97df44 29 // unlocked only if we were attached (we locked it) and this is not low power ticker
lypinator 0:bb348c97df44 30 if (_function && _lock_deepsleep) {
lypinator 0:bb348c97df44 31 sleep_manager_unlock_deep_sleep();
lypinator 0:bb348c97df44 32 }
lypinator 0:bb348c97df44 33
lypinator 0:bb348c97df44 34 _function = 0;
lypinator 0:bb348c97df44 35 core_util_critical_section_exit();
lypinator 0:bb348c97df44 36 }
lypinator 0:bb348c97df44 37
lypinator 0:bb348c97df44 38 void Ticker::setup(us_timestamp_t t)
lypinator 0:bb348c97df44 39 {
lypinator 0:bb348c97df44 40 core_util_critical_section_enter();
lypinator 0:bb348c97df44 41 remove();
lypinator 0:bb348c97df44 42 _delay = t;
lypinator 0:bb348c97df44 43 insert_absolute(_delay + ticker_read_us(_ticker_data));
lypinator 0:bb348c97df44 44 core_util_critical_section_exit();
lypinator 0:bb348c97df44 45 }
lypinator 0:bb348c97df44 46
lypinator 0:bb348c97df44 47 void Ticker::handler()
lypinator 0:bb348c97df44 48 {
lypinator 0:bb348c97df44 49 insert_absolute(event.timestamp + _delay);
lypinator 0:bb348c97df44 50 if (_function) {
lypinator 0:bb348c97df44 51 _function();
lypinator 0:bb348c97df44 52 }
lypinator 0:bb348c97df44 53 }
lypinator 0:bb348c97df44 54
lypinator 0:bb348c97df44 55 } // namespace mbed