Embedded Template Library
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mutex_cmsis_os2.h
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/******************************************************************************
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The MIT License(MIT)
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Embedded Template Library.
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https://github.com/ETLCPP/etl
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https://www.etlcpp.com
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Copyright(c) 2021 John Wellbelove
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions :
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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******************************************************************************/
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#ifndef ETL_MUTEX_CMSIS_RTOS2_INCLUDED
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#define ETL_MUTEX_CMSIS_RTOS2_INCLUDED
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#include "../platform.h"
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#include <cmsis_os2.h>
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namespace
etl
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{
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//***************************************************************************
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//***************************************************************************
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class
mutex
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{
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public
:
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mutex
()
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: id(
NULL
)
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{
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osMutexAttr_t
attr
= {
"ETL"
,
osMutexRecursive
|
osMutexPrioInherit
|
osMutexRobust
, 0, 0 };
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id
=
osMutexNew
(&
attr
);
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}
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~mutex
()
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{
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osMutexDelete
(
id
);
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}
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void
lock()
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{
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osMutexAcquire
(
id
,
osWaitForever
);
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}
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bool
try_lock()
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{
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return
osMutexAcquire
(
id
, 0) ==
osOK
;
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}
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void
unlock()
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{
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osMutexRelease
(
id
);
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}
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private
:
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mutex
(
const
mutex
&) ETL_DELETE;
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mutex
& operator=(
const
mutex
&) ETL_DELETE;
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osMutexId_t
id;
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};
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}
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#endif
etl::mutex
This mutex class is implemented using CMSIS's RTOS2 mutexes.
Definition
mutex_cmsis_os2.h:43
etl
bitset_ext
Definition
absolute.h:38
etl::pair
pair holds two objects of arbitrary type
Definition
utility.h:164
include
etl
mutex
mutex_cmsis_os2.h
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