mirror of
https://github.com/RIOT-OS/RIOT.git
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132 lines
3.0 KiB
C
132 lines
3.0 KiB
C
/*
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* Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
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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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* @defgroup pkg_lwip_sys Porting layer
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* @ingroup pkg_lwip
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* @brief System abstraction layer
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* @{
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*
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* @file
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* @brief OS abstraction layer
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* @see https://www.nongnu.org/lwip/2_1_x/group__sys__os.html
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*
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* @author Martine Lenders <mlenders@inf.fu-berlin.de>
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*/
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#ifndef ARCH_SYS_ARCH_H
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#define ARCH_SYS_ARCH_H
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#include <stdbool.h>
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#include <stdint.h>
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#include "cib.h"
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#include "sched.h"
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#include "mbox.h"
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#include "mutex.h"
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#include "random.h"
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#include "sema.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief System configuration
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*/
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/* prefer mutexes rather than binary semaphores */
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#define LWIP_COMPAT_MUTEX (0)
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/** @} */
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/**
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* @name Critical sections protection definitions
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* @see https://www.nongnu.org/lwip/2_1_x/group__sys__prot.html
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* @{
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*/
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#define SYS_ARCH_PROTECT(x) mutex_lock(&x)
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#define SYS_ARCH_UNPROTECT(x) mutex_unlock(&x)
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#define SYS_ARCH_DECL_PROTECT(x) mutex_t x = MUTEX_INIT
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/** @} */
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/**
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* @name Semaphores definitions
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* @see https://www.nongnu.org/lwip/2_1_x/group__sys__sem.html
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*/
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typedef sema_t sys_sem_t; /**< Platform specific semaphore type */
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static inline bool sys_sem_valid(sys_sem_t *sem)
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{
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return sem != NULL;
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}
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#define sys_sem_valid(sem) (sys_sem_valid(sem))
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#define sys_sem_set_invalid(sem)
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/** @} */
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/**
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* @name Mutexes definitions
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* @see https://www.nongnu.org/lwip/2_1_x/group__sys__mutex.html
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*/
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typedef mutex_t sys_mutex_t; /**< Platform specific mutex type */
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static inline bool sys_mutex_valid(sys_mutex_t *mutex)
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{
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return mutex != NULL;
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}
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#define sys_mutex_valid(mutex) (sys_mutex_valid(mutex))
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#define sys_mutex_set_invalid(mutex)
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/** @} */
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/**
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* @name Mailboxes OS abstraction layer definitions
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* @see https://www.nongnu.org/lwip/2_1_x/group__sys__mbox.html
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* @{
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*/
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#define SYS_MBOX_SIZE (8)
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/**
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* @brief Platform specific mailbox type
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*/
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typedef struct {
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mbox_t mbox; /**< RIOT mbox */
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msg_t msgs[SYS_MBOX_SIZE]; /**< queue for the mbox */
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} sys_mbox_t;
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static inline bool sys_mbox_valid(sys_mbox_t *mbox)
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{
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return (mbox != NULL) && (mbox->mbox.cib.mask != 0);
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}
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static inline void sys_mbox_set_invalid(sys_mbox_t *mbox)
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{
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if (mbox != NULL) {
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mbox->mbox.cib.mask = 0;
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}
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}
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#define sys_mbox_valid(mbox) (sys_mbox_valid(mbox))
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#define sys_mbox_set_invalid(mbox) (sys_mbox_set_invalid(mbox))
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/** @} */
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typedef kernel_pid_t sys_thread_t; /**< Platform specific thread type */
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#ifdef MODULE_RANDOM
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/**
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* @brief Use `random_uint32()` to generate random numbers, if available
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*/
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#define LWIP_RAND() (random_uint32())
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* ARCH_SYS_ARCH_H */
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/** @} */
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