Clone of mbed rtos 2 for easy accessibility.
Fork of mbed-rtos by
rtos/Semaphore.cpp
- Committer:
- c1728p9
- Date:
- 2016-11-14
- Revision:
- 123:58563e6cba1e
- Parent:
- 40:bd07334df5b1
File content as of revision 123:58563e6cba1e:
/* mbed Microcontroller Library * Copyright (c) 2006-2012 ARM Limited * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "rtos/Semaphore.h" #include <string.h> namespace rtos { Semaphore::Semaphore(int32_t count) { #ifdef CMSIS_OS_RTX memset(_semaphore_data, 0, sizeof(_semaphore_data)); _osSemaphoreDef.semaphore = _semaphore_data; #endif _osSemaphoreId = osSemaphoreCreate(&_osSemaphoreDef, count); } int32_t Semaphore::wait(uint32_t millisec) { return osSemaphoreWait(_osSemaphoreId, millisec); } osStatus Semaphore::release(void) { return osSemaphoreRelease(_osSemaphoreId); } Semaphore::~Semaphore() { osSemaphoreDelete(_osSemaphoreId); } }