/*
 * 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 __SYS_ARCH_H__
#define __SYS_ARCH_H__

#include "lwip/opt.h"

#if (NO_SYS != 0)
#error "NO_SYS need to be set to 0 to use threaded API"
#endif

#include "cmsis_os.h"

#ifdef  __cplusplus
extern "C" {
#endif

#if (osCMSIS < 0x20000U)

#define SYS_MBOX_NULL (osMessageQId)0
#define SYS_SEM_NULL  (osSemaphoreId)0

typedef osSemaphoreId sys_sem_t;
typedef osSemaphoreId sys_mutex_t;
typedef osMessageQId  sys_mbox_t;
typedef osThreadId    sys_thread_t;
#else

#define SYS_MBOX_NULL (osMessageQueueId_t)0
#define SYS_SEM_NULL  (osSemaphoreId_t)0

typedef osSemaphoreId_t     sys_sem_t;
typedef osSemaphoreId_t     sys_mutex_t;
typedef osMessageQueueId_t  sys_mbox_t;
typedef osThreadId_t        sys_thread_t;
#endif

#ifdef  __cplusplus
}
#endif

#endif /* __SYS_ARCH_H__ */

