2025-06-08 22:33:35 +02:00

75 lines
2.9 KiB
C

/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* 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: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __ARCH_SYS_ARCH_H__
#define __ARCH_SYS_ARCH_H__
#if RTOS_FREERTOS
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
#include "semphr.h"
#define portQUEUE_OVERHEAD_BYTES 1 // Constant, used for consistency
#endif /* RTOS_FREERTOS */
/* Find the size of the largest required mbox. */
#define MAX1 ((TCPIP_MBOX_SIZE > DEFAULT_RAW_RECVMBOX_SIZE) ? \
TCPIP_MBOX_SIZE : DEFAULT_RAW_RECVMBOX_SIZE)
#define MAX2 ((MAX1 > DEFAULT_UDP_RECVMBOX_SIZE) ? MAX1 : \
DEFAULT_UDP_RECVMBOX_SIZE)
#define MAX3 ((MAX2 > DEFAULT_TCP_RECVMBOX_SIZE) ? MAX2 : \
DEFAULT_TCP_RECVMBOX_SIZE)
#define MBOX_MAX ((MAX3 > DEFAULT_ACCEPTMBOX_SIZE) ? MAX3 : \
DEFAULT_ACCEPTMBOX_SIZE)
///* A structure to hold the variables for a sys_sem_t. */
typedef struct {
QueueHandle_t queue;
signed char buffer[sizeof(void *) + portQUEUE_OVERHEAD_BYTES];
} sem_t;
/* A structure to hold the variables for a sys_mbox_t. */
typedef struct {
QueueHandle_t queue;
signed char buffer[(sizeof(void *) * MBOX_MAX) + portQUEUE_OVERHEAD_BYTES];
} mbox_t;
/* Typedefs for the various port-specific types. */
typedef mbox_t sys_mbox_t;
typedef sem_t sys_sem_t;
typedef TaskHandle_t sys_thread_t;
/* The value for an unallocated mbox. */
#define SYS_MBOX_NULL 0
#endif /* __ARCH_SYS_ARCH_H__ */