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145 lines
3.7 KiB
C++
145 lines
3.7 KiB
C++
/****************************************************************************
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*
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* Copyright (c) 2017, Michael Becker (michael.f.becker@gmail.com)
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*
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* This file is part of the FreeRTOS Add-ons project.
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*
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* Source Code:
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* https://github.com/michaelbecker/freertos-addons
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*
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* Project Page:
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* http://michaelbecker.github.io/freertos-addons/
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*
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* On-line Documentation:
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* http://michaelbecker.github.io/freertos-addons/docs/html/index.html
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so,subject to the
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* following conditions:
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*
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* + The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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* + Credit is appreciated, but not required, if you find this project
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* useful enough to include in your application, product, device, etc.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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***************************************************************************/
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#include "semaphore.hpp"
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using namespace cpp_freertos;
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bool Semaphore::Take(TickType_t xBlockTime)
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{
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BaseType_t success;
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success = xSemaphoreTake(handle, xBlockTime);
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return success == pdTRUE ? true : false;
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}
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bool Semaphore::TakeFromISR(BaseType_t *pxHigherPriorityTaskWoken)
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{
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BaseType_t success;
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success = xSemaphoreTakeFromISR(handle, pxHigherPriorityTaskWoken);
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return success == pdTRUE ? true : false;
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}
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bool Semaphore::Give()
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{
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BaseType_t success;
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success = xSemaphoreGive(handle);
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return success == pdTRUE ? true : false;
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}
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bool Semaphore::GiveFromISR(BaseType_t *pxHigherPriorityTaskWoken)
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{
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BaseType_t success;
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success = xSemaphoreGiveFromISR(handle, pxHigherPriorityTaskWoken);
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return success == pdTRUE ? true : false;
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}
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Semaphore::Semaphore()
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{
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}
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Semaphore::~Semaphore()
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{
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vSemaphoreDelete(handle);
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}
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BinarySemaphore::BinarySemaphore(bool set)
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{
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handle = xSemaphoreCreateBinary();
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if (handle == NULL) {
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#ifndef CPP_FREERTOS_NO_EXCEPTIONS
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throw SemaphoreCreateException();
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#else
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configASSERT(!"BinarySemaphore Constructor Failed");
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#endif
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}
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if (set) {
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xSemaphoreGive(handle);
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}
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}
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CountingSemaphore::CountingSemaphore(UBaseType_t maxCount, UBaseType_t initialCount)
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{
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if (maxCount == 0) {
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#ifndef CPP_FREERTOS_NO_EXCEPTIONS
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throw SemaphoreCreateException("bad maxCount");
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#else
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configASSERT(!"CountingSemaphore Constructor bad maxCount");
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#endif
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}
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if (initialCount > maxCount) {
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#ifndef CPP_FREERTOS_NO_EXCEPTIONS
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throw SemaphoreCreateException("bad initialCount");
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#else
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configASSERT(!"CountingSemaphore Constructor bad initialCount");
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#endif
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}
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handle = xSemaphoreCreateCounting(maxCount, initialCount);
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if (handle == NULL) {
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#ifndef CPP_FREERTOS_NO_EXCEPTIONS
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throw SemaphoreCreateException();
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#else
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configASSERT(!"CountingSemaphore Constructor Failed");
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#endif
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}
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}
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