lwip/contrib/ports/freertos/include/arch/sys_arch.h
Dirk Ziegelmeier ac46e42aa2 Import lwIP contrib rep
... from http://git.savannah.gnu.org/cgit/lwip/lwip-contrib.git/ into contrib/ subdir, STABLE-2_1_0_RELEASE tag
lwIP contrib is now officially frozen
TODO: Fix build
2018-10-02 12:19:13 +02:00

96 lines
3.5 KiB
C

/*
* Copyright (c) 2017 Simon Goldschmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Simon Goldschmdit <goldsimon@gmx.de>
*
*/
#ifndef LWIP_ARCH_SYS_ARCH_H
#define LWIP_ARCH_SYS_ARCH_H
#include "lwip/opt.h"
#include "lwip/arch.h"
/** This is returned by _fromisr() sys functions to tell the outermost function
* that a higher priority task was woken and the scheduler needs to be invoked.
*/
#define ERR_NEED_SCHED 123
/* This port includes FreeRTOS headers in sys_arch.c only.
* FreeRTOS uses pointers as object types. We use wrapper structs instead of
* void pointers directly to get a tiny bit of type safety.
*/
void sys_arch_msleep(u32_t delay_ms);
#define sys_msleep(ms) sys_arch_msleep(ms)
#if SYS_LIGHTWEIGHT_PROT
typedef u32_t sys_prot_t;
#endif /* SYS_LIGHTWEIGHT_PROT */
#if !LWIP_COMPAT_MUTEX
struct _sys_mut {
void *mut;
};
typedef struct _sys_mut sys_mutex_t;
#define sys_mutex_valid_val(mutex) ((mutex).mut != NULL)
#define sys_mutex_valid(mutex) (((mutex) != NULL) && sys_mutex_valid_val(*(mutex)))
#define sys_mutex_set_invalid(mutex) ((mutex)->mut = NULL)
#endif /* !LWIP_COMPAT_MUTEX */
struct _sys_sem {
void *sem;
};
typedef struct _sys_sem sys_sem_t;
#define sys_sem_valid_val(sema) ((sema).sem != NULL)
#define sys_sem_valid(sema) (((sema) != NULL) && sys_sem_valid_val(*(sema)))
#define sys_sem_set_invalid(sema) ((sema)->sem = NULL)
struct _sys_mbox {
void *mbx;
};
typedef struct _sys_mbox sys_mbox_t;
#define sys_mbox_valid_val(mbox) ((mbox).mbx != NULL)
#define sys_mbox_valid(mbox) (((mbox) != NULL) && sys_mbox_valid_val(*(mbox)))
#define sys_mbox_set_invalid(mbox) ((mbox)->mbx = NULL)
struct _sys_thread {
void *thread_handle;
};
typedef struct _sys_thread sys_thread_t;
#if LWIP_NETCONN_SEM_PER_THREAD
sys_sem_t* sys_arch_netconn_sem_get(void);
void sys_arch_netconn_sem_alloc(void);
void sys_arch_netconn_sem_free(void);
#define LWIP_NETCONN_THREAD_SEM_GET() sys_arch_netconn_sem_get()
#define LWIP_NETCONN_THREAD_SEM_ALLOC() sys_arch_netconn_sem_alloc()
#define LWIP_NETCONN_THREAD_SEM_FREE() sys_arch_netconn_sem_free()
#endif /* LWIP_NETCONN_SEM_PER_THREAD */
#endif /* LWIP_ARCH_SYS_ARCH_H */