/* | |
* 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/arch.h" | |
#include "lwip/opt.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 */ |