110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
/*
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Cubesat Space Protocol - A small network-layer protocol designed for Cubesats
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Copyright (C) 2012 Gomspace ApS (http://www.gomspace.com)
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Copyright (C) 2012 AAUSAT3 Project (http://aausat3.space.aau.dk)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _CSP_SEMAPHORE_H_
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#define _CSP_SEMAPHORE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <csp/csp.h>
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/* POSIX interface */
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#if defined(CSP_POSIX)
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#include <pthread.h>
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#include <semaphore.h>
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#define CSP_SEMAPHORE_OK 1
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#define CSP_SEMAPHORE_ERROR 2
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#define CSP_MUTEX_OK CSP_SEMAPHORE_OK
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#define CSP_MUTEX_ERROR CSP_SEMAPHORE_ERROR
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typedef sem_t csp_bin_sem_handle_t;
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typedef pthread_mutex_t csp_mutex_t;
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#endif // CSP_POSIX
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/* MAC OS X interface */
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#if defined(CSP_MACOSX)
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#include <pthread.h>
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#include "posix/pthread_queue.h"
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#define CSP_SEMAPHORE_OK PTHREAD_QUEUE_OK
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#define CSP_SEMAPHORE_ERROR PTHREAD_QUEUE_EMPTY
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#define CSP_MUTEX_OK CSP_SEMAPHORE_OK
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#define CSP_MUTEX_ERROR CSP_SEMAPHORE_ERROR
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typedef pthread_queue_t * csp_bin_sem_handle_t;
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typedef pthread_queue_t * csp_mutex_t;
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#endif // CSP_MACOSX
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#if defined(CSP_WINDOWS)
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#include <Windows.h>
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#undef interface
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#define CSP_SEMAPHORE_OK 1
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#define CSP_SEMAPHORE_ERROR 2
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#define CSP_MUTEX_OK CSP_SEMAPHORE_OK
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#define CSP_MUTEX_ERROR CSP_SEMAPHORE_ERROR
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typedef HANDLE csp_bin_sem_handle_t;
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typedef HANDLE csp_mutex_t;
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#endif
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/* FreeRTOS interface */
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#if defined(CSP_FREERTOS)
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#include <FreeRTOS.h>
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#include <semphr.h>
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#define CSP_SEMAPHORE_OK pdPASS
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#define CSP_SEMAPHORE_ERROR pdFAIL
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#define CSP_MUTEX_OK CSP_SEMAPHORE_OK
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#define CSP_MUTEX_ERROR CSP_SEMAPHORE_ERROR
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typedef xSemaphoreHandle csp_bin_sem_handle_t;
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typedef xSemaphoreHandle csp_mutex_t;
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#endif // CSP_FREERTOS
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int csp_mutex_create(csp_mutex_t * mutex);
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int csp_mutex_remove(csp_mutex_t * mutex);
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int csp_mutex_lock(csp_mutex_t * mutex, uint32_t timeout);
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int csp_mutex_unlock(csp_mutex_t * mutex);
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int csp_bin_sem_create(csp_bin_sem_handle_t * sem);
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int csp_bin_sem_remove(csp_bin_sem_handle_t * sem);
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int csp_bin_sem_wait(csp_bin_sem_handle_t * sem, uint32_t timeout);
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int csp_bin_sem_post(csp_bin_sem_handle_t * sem);
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int csp_bin_sem_post_isr(csp_bin_sem_handle_t * sem, CSP_BASE_TYPE * task_woken);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif // _CSP_SEMAPHORE_H_
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