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42 lines
888 B
C
42 lines
888 B
C
/*
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* Copyright (C) 2020 Inria
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup pkg_mynewt_core
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* @{
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*
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* @file
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* @brief Decawave Porting Layer semaphore RIOT wrapper
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*
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* @author Francisco Molina <francois-xavier.molina@inria.fr>
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* @}
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*/
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#include <stdio.h>
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#include "irq.h"
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#include "os/os_sem.h"
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os_error_t os_sem_init(struct os_sem *sem, uint16_t tokens)
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{
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sema_create(&sem->sema, tokens);
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return OS_OK;
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}
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os_error_t os_sem_release(struct os_sem *sem)
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{
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int ret = sema_post(&sem->sema);
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return (ret) ? OS_ERROR : OS_OK;
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}
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os_error_t os_sem_pend(struct os_sem *sem, os_time_t timeout)
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{
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int ret = sema_wait_timed_ztimer(&sem->sema, ZTIMER_MSEC, timeout);
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return (ret) ? OS_ERROR : OS_OK;
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}
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