mbed rtos - modified for the final project of the course "Advanced Operating Systems"
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Diff: rtos/Semaphore.cpp
- Revision:
- 8:88a1a9c26ae3
- Parent:
- 6:350b53afb889
--- a/rtos/Semaphore.cpp Fri Nov 23 10:16:38 2012 +0000 +++ b/rtos/Semaphore.cpp Tue Nov 27 16:55:38 2012 +0000 @@ -1,28 +1,49 @@ -#include "Semaphore.h" - -#include <string.h> -#include "error.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); -} - -} +/* 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 "Semaphore.h" + +#include <string.h> +#include "error.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); +} + +}