module_universal_io/libs/thirdparty/LwIP/system/arch/sys_arch.h

/*
 * 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_RTXC_H__
#define __SYS_RTXC_H__

#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
#include "semphr.h"

//#include "cmsis_os.h"
#if LWIP_SOCKET_SET_ERRNO
#include <errno.h>
#endif

#define SYS_MBOX_NULL					( ( QueueHandle_t ) NULL )
#define SYS_SEM_NULL					( ( SemaphoreHandle_t ) NULL )
#define SYS_DEFAULT_THREAD_STACK_DEPTH	configMINIMAL_STACK_SIZE

typedef SemaphoreHandle_t sys_sem_t;
typedef SemaphoreHandle_t sys_mutex_t;
typedef QueueHandle_t sys_mbox_t;
typedef TaskHandle_t sys_thread_t;

typedef struct _sys_arch_state_t
{
	// Task creation data.
	char cTaskName[configMAX_TASK_NAME_LEN];
	unsigned short nStackDepth;
	unsigned short nTaskCount;
} sys_arch_state_t;



//extern sys_arch_state_t s_sys_arch_state;

//void sys_set_default_state();
//void sys_set_state(signed char *pTaskName, unsigned short nStackSize);

/* Message queue constants. */
#define archMESG_QUEUE_LENGTH	( 6 )
#endif /* __SYS_RTXC_H__ */



#if 0
/*
 * 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 Goldschmidt
 *
 */
#ifndef LWIP_HDR_TEST_SYS_ARCH_H
#define LWIP_HDR_TEST_SYS_ARCH_H
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
#include "semphr.h"

/* 定义与FreeRTOS相结合的数据结构 */
typedef xSemaphoreHandle sys_sem_t;
typedef xQueueHandle sys_mbox_t;
typedef xTaskHandle sys_thread_t;

//typedef int sys_sem_t;
//#define sys_sem_valid(sema) ((sema) != NULL)

typedef int sys_mutex_t;
//#define sys_mutex_valid(mutex) (((mutex) != NULL)

//struct lwip_mbox {
//  void* sem;
//  void** q_mem;
//  unsigned int head, tail;
//  int size;
//  int used;
//};
//typedef struct lwip_mbox sys_mbox_t;
//#define SYS_MBOX_NULL NULL
//#define sys_mbox_valid(mbox) ((mbox != NULL) && ((mbox)->sem != NULL)  && ((mbox)->sem != (void*)-1))
//#define sys_mbox_valid_val(mbox) (((mbox).sem != NULL)  && ((mbox).sem != (void*)-1))

/* DWORD (thread id) is used for sys_thread_t but we won't include windows.h */
//typedef u32_t sys_thread_t;

//#define SYS_ARCH_DECL_PROTECT(lev)
//#define SYS_ARCH_PROTECT(lev)
//#define SYS_ARCH_UNPROTECT(lev)

/* to implement doing something while blocking on an mbox or semaphore:
 * pass a function to test_sys_arch_wait_callback() that returns
 * '0' if waiting again and
 * '1' if now there should be something to do (used for asserting)
 */
typedef int (*test_sys_arch_waiting_fn)(sys_sem_t* wait_sem, sys_mbox_t* wait_mbox);
void test_sys_arch_wait_callback(test_sys_arch_waiting_fn waiting_fn);

/* current time */
extern u32_t lwip_sys_now;

#endif /* LWIP_HDR_TEST_SYS_ARCH_H */
#endif