Marco Zecchini
/
Example_RTOS
Rtos API example
Diff: mbed-os/drivers/Ticker.cpp
- Revision:
- 0:9fca2b23d0ba
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os/drivers/Ticker.cpp Sat Feb 23 12:13:36 2019 +0000 @@ -0,0 +1,52 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "drivers/Ticker.h" + +#include "drivers/TimerEvent.h" +#include "platform/FunctionPointer.h" +#include "hal/ticker_api.h" +#include "platform/mbed_critical.h" + +namespace mbed { + +void Ticker::detach() { + core_util_critical_section_enter(); + remove(); + // unlocked only if we were attached (we locked it) and this is not low power ticker + if(_function && _lock_deepsleep) { + sleep_manager_unlock_deep_sleep(); + } + + _function = 0; + core_util_critical_section_exit(); +} + +void Ticker::setup(us_timestamp_t t) { + core_util_critical_section_enter(); + remove(); + _delay = t; + insert_absolute(_delay + ticker_read_us(_ticker_data)); + core_util_critical_section_exit(); +} + +void Ticker::handler() { + insert_absolute(event.timestamp + _delay); + if (_function) { + _function(); + } +} + +} // namespace mbed