optimize LWIP demo and OPCua demo

APP_Framework/Framework/control/plc/interoperability/opcua/ua_api.h

@@ -0,0 +1,25 @@
+/*
+* Copyright (c) 2021 AIIT XUOS Lab
+* XiUOS is licensed under Mulan PSL v2.
+* You can use this software according to the terms and conditions of the Mulan PSL v2.
+* You may obtain a copy of Mulan PSL v2 at:
+*        http://license.coscl.org.cn/MulanPSL2
+* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+* See the Mulan PSL v2 for more details.
+*/
+#ifndef __UA_API_H__
+#define __UA_API_H__
+
+#include "open62541.h"
+
+#define OPC_SERVER "opc.tcp://192.168.250.5:4840"
+#define ua_print printf
+
+int ua_server_connect(void);
+int ua_get_server_info(UA_Client *client);
+void ua_read_time(UA_Client *client);
+int16 ua_test(void);
+
+#endif

Ubiquitous/XiUOS/board/ok1052-c/third_party_driver/ethernet/enet_ethernetif_kinetis.c

@@ -469,8 +469,6 @@ static err_t enet_send_frame(struct ethernetif *ethernetif, unsigned char *data,
             {
 #ifdef FSL_RTOS_XIUOS
 //                KSemaphoreObtain(ethernetif->enetSemaphore, portMAX_DELAY);
-                lw_trace();
-
 #else
                 xEventGroupWaitBits(ethernetif->enetTransmitAccessEvent, ethernetif->txFlag, pdTRUE, (BaseType_t) false,
                                     portMAX_DELAY);
@@ -478,7 +476,6 @@ static err_t enet_send_frame(struct ethernetif *ethernetif, unsigned char *data,
             }
 
         } while (result == kStatus_ENET_TxFrameBusy);
-        lw_trace();
 
         return ERR_OK;
     }

Ubiquitous/XiUOS/board/ok1052-c/third_party_driver/ethernet/fsl_enet.c

@@ -1563,7 +1563,6 @@ status_t ENET_SendFrame(ENET_Type *base, enet_handle_t *handle, const uint8_t *d
     curBuffDescrip = handle->txBdCurrent[0];
     if (curBuffDescrip->control & ENET_BUFFDESCRIPTOR_TX_READY_MASK)
     {
-        lw_trace();
         return kStatus_ENET_TxFrameBusy;
     }
 #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE
@@ -1616,7 +1615,6 @@ status_t ENET_SendFrame(ENET_Type *base, enet_handle_t *handle, const uint8_t *d
         /* Active the transmit buffer descriptor. */
         ENET_ActiveSend(base, 0);
 
-//    lw_trace();
         return kStatus_Success;
     }
     else
@@ -1624,8 +1622,6 @@ status_t ENET_SendFrame(ENET_Type *base, enet_handle_t *handle, const uint8_t *d
         /* One frame requires more than one transmit buffers. */
         do
         {
-            lw_trace();
-
 #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE
             /* For enable the timestamp. */
             if (isPtpEventMessage)

Ubiquitous/XiUOS/resources/ethernet/LwIP/arch/ethernetif.h

@@ -1,86 +0,0 @@
-/**
- ******************************************************************************
-  * File Name          : ethernetif.h
-  * Description        : This file provides initialization code for LWIP
-  *                      middleWare.
-  ******************************************************************************
-  * This notice applies to any and all portions of this file
-  * that are not between comment pairs USER CODE BEGIN and
-  * USER CODE END. Other portions of this file, whether 
-  * inserted by the user or by software development tools
-  * are owned by their respective copyright owners.
-  *
-  * Copyright (c) 2018 STMicroelectronics International N.V. 
-  * 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. Redistribution 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. Neither the name of STMicroelectronics nor the names of other 
-  *    contributors to this software may be used to endorse or promote products 
-  *    derived from this software without specific written permission.
-  * 4. This software, including modifications and/or derivative works of this 
-  *    software, must execute solely and exclusively on microcontroller or
-  *    microprocessor devices manufactured by or for STMicroelectronics.
-  * 5. Redistribution and use of this software other than as permitted under 
-  *    this license is void and will automatically terminate your rights under 
-  *    this license. 
-  *
-  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
-  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
-  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
-  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
-  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
-  * SHALL STMICROELECTRONICS OR CONTRIBUTORS 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.
-  *
-  ******************************************************************************
-  */
-  
-
-#ifndef __ETHERNETIF_H__
-#define __ETHERNETIF_H__
-
-#include "lwip/err.h"
-#include "lwip/netif.h"
-
-/* Within 'USER CODE' section, code will be kept by default at each generation */
-/* USER CODE BEGIN 0 */
-#define NETIF_MTU								      ( 1500 )
-
-#define NETIF_IN_TASK_STACK_SIZE			( 1024 )
-#define NETIF_IN_TASK_PRIORITY			  ( 3 )
-
-#define NETIF_OUT_TASK_STACK_SIZE			( 1024 )
-#define NETIF_OUT_TASK_PRIORITY			  ( 3 )
-
-/* USER CODE END 0 */
-
-
-/* Exported functions ------------------------------------------------------- */
-err_t ethernetif_init(struct netif *netif);
-
-void ethernetif_input( void *argument );
-void ethernetif_output( void *argument );
-void ethernetif_update_config(struct netif *netif);
-void ethernetif_notify_conn_changed(struct netif *netif);
-
-u32_t sys_jiffies(void);
-u32_t sys_now(void);
-
-/* USER CODE BEGIN 1 */
-
-/* USER CODE END 1 */
-#endif
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

Ubiquitous/XiUOS/resources/ethernet/LwIP/arch/lwipopts.h

@@ -212,13 +212,13 @@ The STM32F4x7 allows computing and verifying the IP, UDP, TCP and ICMP checksums
 #define DEFAULT_TCP_RECVMBOX_SIZE       10
 #define DEFAULT_ACCEPTMBOX_SIZE         10
 
-#define DEFAULT_THREAD_PRIO             25
+#define DEFAULT_THREAD_PRIO             20
 #define DEFAULT_THREAD_STACKSIZE        1024
 
 #define TCPIP_THREAD_NAME               "tcp"
-#define TCPIP_THREAD_STACKSIZE          4096
+#define TCPIP_THREAD_STACKSIZE          8192
-#define TCPIP_MBOX_SIZE                 8
+#define TCPIP_MBOX_SIZE                 10
-#define TCPIP_THREAD_PRIO               25
+#define TCPIP_THREAD_PRIO               15
 
 //#define IPERF_SERVER_THREAD_NAME            "iperf_server"
 //#define IPERF_SERVER_THREAD_STACKSIZE        1024
@@ -236,13 +236,24 @@ The STM32F4x7 allows computing and verifying the IP, UDP, TCP and ICMP checksums
 
 #define LWIP_IPV4                       1
 #define LWIP_RAW                        1
+#define LWIP_DNS                        1
+
+#if LWIP_DNS
+#define LWIP_RAND rand
+#endif
+
+#ifndef nfds_t
+typedef unsigned int nfds_t;
+#endif
 
 #define FSL_FEATURE_PHYKSZ8081_USE_RMII50M_MODE
 
 #define MEMP_LIB_MALLOC                 1
 #define MEMP_MEM_MALLOC                 1
 
-#define lw_print KPrintf
+#define lw_print //KPrintf
+#define lw_trace() //KPrintf("lw: [%s][%d] passed!\n", __func__, __LINE__)
+#define lw_error() //KPrintf("lw: [%s][%d] failed!\n", __func__, __LINE__)
 
 #endif /* __LWIPOPTS_H__ */
 

Ubiquitous/XiUOS/resources/ethernet/LwIP/arch/sys_arch.c

@@ -57,15 +57,16 @@
 #include "lwip/init.h"
 #include "lwip/netif.h"
 #include "lwip/sio.h"
-#include "ethernetif.h"
-
-#if !NO_SYS
-#include "sys_arch.h"
-#endif
 #include <lwip/stats.h>
 #include <lwip/debug.h>
 #include <lwip/sys.h>
 #include "lwip/dhcp.h"
+#include "tcpip_priv.h"
+
+#if !NO_SYS
+#include "sys_arch.h"
+#endif
+
 #include <string.h>
 #include <xs_ktask.h>
 #include <xs_ktick.h>
@@ -74,11 +75,21 @@
 #include <xs_mutex.h>
 #include <xs_ktask.h>
 #include <xs_msg.h>
-#include <ethernetif.h>
+
+#include "board.h"
+#include "ethernet.h"
+#include "enet_ethernetif.h"
+#include <transform.h>
+
+/* MAC address configuration. */
+#define configMAC_ADDR { 0x02, 0x12, 0x13, 0x10, 0x15, 0x11}
+
+char lwip_ipaddr[] = {192, 168, 250, 253};
+char lwip_netmask[] = {255, 255, 255, 0};
+char lwip_gwaddr[] = {192, 168, 250, 252};
 
 int errno;
 
-
 x_ticks_t lwip_sys_now;
 
 struct sys_timeouts {
@@ -87,8 +98,8 @@ struct sys_timeouts {
 
 struct timeoutlist
 {
-	struct sys_timeouts timeouts;
+  struct sys_timeouts timeouts;
-	int32 pid;
+  int32 pid;
 };
 
 #define SYS_THREAD_MAX 4
@@ -114,40 +125,40 @@ sys_now(void)
 void
 sys_init(void)
 {
-	int i;
+  int i;
-	for(i = 0; i < SYS_THREAD_MAX; i++)
+  for(i = 0; i < SYS_THREAD_MAX; i++)
-	{
+  {
-		s_timeoutlist[i].pid = 0;
+    s_timeoutlist[i].pid = 0;
-		s_timeoutlist[i].timeouts.next = NULL;
+    s_timeoutlist[i].timeouts.next = NULL;
-	}
+  }
-	s_nextthread = 0;
+  s_nextthread = 0;
 }
 
 struct sys_timeouts *sys_arch_timeouts(void)
 {
-	int i;
+  int i;
-	int32 pid;
+  int32 pid;
-	struct timeoutlist *tl;
+  struct timeoutlist *tl;
-	pid = (int32)GetKTaskDescriptor()->id.id;
+  pid = (int32)GetKTaskDescriptor()->id.id;
-	for(i = 0; i < s_nextthread; i++)
+  for(i = 0; i < s_nextthread; i++)
-	{
+  {
-		tl = &(s_timeoutlist[i]);
+    tl = &(s_timeoutlist[i]);
-		if(tl->pid == pid)
+    if(tl->pid == pid)
-		{
+    {
-			return &(tl->timeouts);
+      return &(tl->timeouts);
-		}
+    }
-	}
+  }
-	return NULL;
+  return NULL;
 }
 
 sys_prot_t sys_arch_protect(void)
 {
-	return CriticalAreaLock();
+  return CriticalAreaLock();
 }
 
 void sys_arch_unprotect(sys_prot_t pval)
 {
-	CriticalAreaUnLock(pval);
+  CriticalAreaUnLock(pval);
 }
 
 #if !NO_SYS
@@ -158,10 +169,10 @@ sys_sem_new(sys_sem_t *sem, u8_t count)
   *sem = KSemaphoreCreate((uint16)count);
 
 #if SYS_STATS
-	++lwip_stats.sys.sem.used;
+  ++lwip_stats.sys.sem.used;
- 	if (lwip_stats.sys.sem.max < lwip_stats.sys.sem.used) {
+   if (lwip_stats.sys.sem.max < lwip_stats.sys.sem.used) {
-		lwip_stats.sys.sem.max = lwip_stats.sys.sem.used;
+    lwip_stats.sys.sem.max = lwip_stats.sys.sem.used;
-	}
+  }
 #endif /* SYS_STATS */
 
   if(*sem >= 0)
@@ -287,11 +298,15 @@ err_t sys_mbox_new(sys_mbox_t *mbox, int size)
       ++lwip_stats.sys.mbox.used;
       if (lwip_stats.sys.mbox.max < lwip_stats.sys.mbox.used) {
          lwip_stats.sys.mbox.max = lwip_stats.sys.mbox.used;
-	  }
+    }
 #endif /* SYS_STATS */
-	if(*mbox < 0)
+  if(*mbox < 0)
+  {
+    lw_print("lw: [%s] alloc %d mbox %p failed\n", __func__, size, mbox);
     return ERR_MEM;
+  }
 
+  lw_print("lw: [%s] alloc %d mbox %p ok!\n", __func__, size, mbox);
   return ERR_OK;
 }
 
@@ -370,9 +385,6 @@ struct netif gnetif;
 ip4_addr_t ipaddr;
 ip4_addr_t netmask;
 ip4_addr_t gw;
-uint8_t IP_ADDRESS[4];
-uint8_t NETMASK_ADDRESS[4];
-uint8_t GATEWAY_ADDRESS[4];
 
 void TcpIpInit(void)
 {
@@ -397,7 +409,7 @@ void TcpIpInit(void)
   /* USER CODE END 0 */
   /* Initilialize the LwIP stack without RTOS */
   /* add the network interface (IPv4/IPv6) without RTOS */
-  netif_add(&gnetif, &ipaddr, &netmask, &gw, NULL, &ethernetif_init, &tcpip_input);
+  netif_add(&gnetif, &ipaddr, &netmask, &gw, NULL, &ethernetif0_init, &tcpip_input);
 
   /* Registers the default network interface */
   netif_set_default(&gnetif);
@@ -440,3 +452,131 @@ void TcpIpInit(void)
         ((gnetif.ip_addr.addr)&0xff000000)>>24);
 }
 
+// lwip input thread to get network packet
+void lwip_input_thread(void *param)
+{
+  struct netif *net = param;
+
+  while (1)
+  {
+    /* Poll the driver, get any outstanding frames */
+    ethernetif_input(net);
+    sys_check_timeouts(); /* Handle all system timeouts for all core protocols */
+//    DelayKTask(1);
+  }
+}
+
+void lwip_config_input(struct netif *net)
+{
+  pthread_t th_id = 0;
+
+  th_id = sys_thread_new("eth_input", lwip_input_thread, net, 4096, 15);
+
+  if (th_id >= 0) {
+    lw_print("%s %d successfully!\n", __func__, th_id);
+  } else {
+    lw_print("%s failed!\n", __func__);
+  }
+}
+
+static int lwip_init_flag = 0;
+
+void lwip_config_net(char *ip, char *mask, char *gw)
+{
+#if defined(FSL_FEATURE_SOC_LPC_ENET_COUNT) && (FSL_FEATURE_SOC_LPC_ENET_COUNT > 0)
+  mem_range_t non_dma_memory[] = NON_DMA_MEMORY_ARRAY;
+#endif /* FSL_FEATURE_SOC_LPC_ENET_COUNT */
+  ip4_addr_t net_ipaddr, net_netmask, net_gw;
+  ethernetif_config_t cfg = {
+    .phyAddress = BOARD_ENET0_PHY_ADDRESS,
+    .clockName  = kCLOCK_CoreSysClk,
+    .macAddress = configMAC_ADDR,
+#if defined(FSL_FEATURE_SOC_LPC_ENET_COUNT) && (FSL_FEATURE_SOC_LPC_ENET_COUNT > 0)
+    .non_dma_memory = non_dma_memory,
+#endif /* FSL_FEATURE_SOC_LPC_ENET_COUNT */
+  };
+
+  if(lwip_init_flag)
+  {
+    lw_print("lw: [%s] already ...\n", __func__);
+    return;
+  }
+  lwip_init_flag = 1;
+
+  lw_print("lw: [%s] start ...\n", __func__);
+
+  IP4_ADDR(&net_ipaddr, ip[0], ip[1], ip[2], ip[3]);
+  IP4_ADDR(&net_netmask, mask[0], mask[1], mask[2], mask[3]);
+  IP4_ADDR(&net_gw, gw[0], gw[1], gw[2], gw[3]);
+
+  lwip_init();
+
+  netif_add(&gnetif, &net_ipaddr, &net_netmask, &net_gw, &cfg, ethernetif0_init,
+        ethernet_input);
+  netif_set_default(&gnetif);
+  netif_set_up(&gnetif);
+
+  lw_print("\r\n************************************************\r\n");
+  lw_print(" Network Configuration\r\n");
+  lw_print("************************************************\r\n");
+  lw_print(" IPv4 Address   : %u.%u.%u.%u\r\n", ((u8_t *)&net_ipaddr)[0], ((u8_t *)&net_ipaddr)[1],
+       ((u8_t *)&net_ipaddr)[2], ((u8_t *)&net_ipaddr)[3]);
+  lw_print(" IPv4 Subnet mask : %u.%u.%u.%u\r\n", ((u8_t *)&net_netmask)[0], ((u8_t *)&net_netmask)[1],
+       ((u8_t *)&net_netmask)[2], ((u8_t *)&net_netmask)[3]);
+  lw_print(" IPv4 Gateway   : %u.%u.%u.%u\r\n", ((u8_t *)&net_gw)[0], ((u8_t *)&net_gw)[1],
+       ((u8_t *)&net_gw)[2], ((u8_t *)&net_gw)[3]);
+  lw_print("************************************************\r\n");
+
+  lwip_config_input(&gnetif);
+}
+
+void lwip_config_tcp(char *ip, char *mask, char *gw)
+{
+#if defined(FSL_FEATURE_SOC_LPC_ENET_COUNT) && (FSL_FEATURE_SOC_LPC_ENET_COUNT > 0)
+  mem_range_t non_dma_memory[] = NON_DMA_MEMORY_ARRAY;
+#endif /* FSL_FEATURE_SOC_LPC_ENET_COUNT */
+  ip4_addr_t net_ipaddr, net_netmask, net_gw;
+  ethernetif_config_t cfg = {
+    .phyAddress = BOARD_ENET0_PHY_ADDRESS,
+    .clockName  = kCLOCK_CoreSysClk,
+    .macAddress = configMAC_ADDR,
+#if defined(FSL_FEATURE_SOC_LPC_ENET_COUNT) && (FSL_FEATURE_SOC_LPC_ENET_COUNT > 0)
+    .non_dma_memory = non_dma_memory,
+#endif /* FSL_FEATURE_SOC_LPC_ENET_COUNT */
+  };
+
+  if(lwip_init_flag)
+  {
+    lw_print("lw: [%s] already ...\n", __func__);
+    return;
+  }
+  lwip_init_flag = 1;
+
+  tcpip_init(NULL, NULL);
+
+  lw_print("lw: [%s] start ...\n", __func__);
+
+  IP4_ADDR(&net_ipaddr, ip[0], ip[1], ip[2], ip[3]);
+  IP4_ADDR(&net_netmask, mask[0], mask[1], mask[2], mask[3]);
+  IP4_ADDR(&net_gw, gw[0], gw[1], gw[2], gw[3]);
+
+  netif_add(&gnetif, &net_ipaddr, &net_netmask, &net_gw, &cfg, ethernetif0_init,
+        tcpip_input);
+
+  netif_set_default(&gnetif);
+  netif_set_up(&gnetif);
+
+  lw_print("\r\n************************************************\r\n");
+  lw_print(" Network Configuration\r\n");
+  lw_print("************************************************\r\n");
+  lw_print(" IPv4 Address   : %u.%u.%u.%u\r\n", ((u8_t *)&net_ipaddr)[0], ((u8_t *)&net_ipaddr)[1],
+       ((u8_t *)&net_ipaddr)[2], ((u8_t *)&net_ipaddr)[3]);
+  lw_print(" IPv4 Subnet mask : %u.%u.%u.%u\r\n", ((u8_t *)&net_netmask)[0], ((u8_t *)&net_netmask)[1],
+       ((u8_t *)&net_netmask)[2], ((u8_t *)&net_netmask)[3]);
+  lw_print(" IPv4 Gateway   : %u.%u.%u.%u\r\n", ((u8_t *)&net_gw)[0], ((u8_t *)&net_gw)[1],
+       ((u8_t *)&net_gw)[2], ((u8_t *)&net_gw)[3]);
+  lw_print("************************************************\r\n");
+
+  lwip_config_input(&gnetif);
+}
+

Ubiquitous/XiUOS/resources/ethernet/LwIP/arch/sys_arch.h

@@ -1,8 +1,8 @@
 /*
  * Copyright (c) 2017 Simon Goldschmidt
- * All rights reserved. 
+ * All rights reserved.
- * 
+ *
- * Redistribution and use in source and binary forms, with or without modification, 
+ * 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,
@@ -49,8 +49,13 @@
 * @date 2021-05-29
 */
 
+#ifndef __SYS_ARCH__
+#define __SYS_ATCH__
+
 #include <lwip/opt.h>
 #include <lwip/arch.h>
+#include <lwip/netif.h>
+
 #include "tcpip.h"
 
 #include <xs_base.h>
@@ -58,19 +63,19 @@
 /* USER CODE BEGIN 0 */
 // #define SET_AS_SERVER 1 /* define this terminal is udp server or not*/
 
-#define LOCAL_PORT_SERVER                 5001
+#define LOCAL_PORT_SERVER           4840
-#define TARGET_PORT_CLIENT                LOCAL_PORT_SERVER
+#define TARGET_PORT_CLIENT          LOCAL_PORT_SERVER
 
 /*Static IP ADDRESS: IP_ADDR0.IP_ADDR1.IP_ADDR2.IP_ADDR3 */
-#define IP_ADDR0_SERVER                    192
+#define IP_ADDR0_SERVER             192
-#define IP_ADDR1_SERVER                    168
+#define IP_ADDR1_SERVER             168
-#define IP_ADDR2_SERVER                      0
+#define IP_ADDR2_SERVER             250
-#define IP_ADDR3_SERVER                    166
+#define IP_ADDR3_SERVER             252
 
-#define IP_ADDR0_ClIENT                    192
+#define IP_ADDR0_ClIENT             192
-#define IP_ADDR1_ClIENT                    168
+#define IP_ADDR1_ClIENT             168
-#define IP_ADDR2_ClIENT                    250
+#define IP_ADDR2_ClIENT             250
-#define IP_ADDR3_ClIENT                    253
+#define IP_ADDR3_ClIENT             253
 
 /*NETMASK*/
 #define NETMASK_ADDR0               255
@@ -82,7 +87,7 @@
 #define GW_ADDR0                    192
 #define GW_ADDR1                    168
 #define GW_ADDR2                    250
-#define GW_ADDR3                    252
+#define GW_ADDR3                    5
 /* USER CODE END 0 */
 
 #define SYS_MBOX_NULL  0
@@ -98,5 +103,12 @@ typedef x_base sys_prot_t;
 
 #define MS_PER_SYSTICK_F407 1000/TICK_PER_SECOND
 
-void TcpIpInit(void);
+extern char lwip_ipaddr[];
+extern char lwip_netmask[];
+extern char lwip_gwaddr[];
 
+void TcpIpInit(void);
+void lwip_config_net(char *ip, char *mask, char *gw);
+void lwip_config_tcp(char *ip, char *mask, char *gw);
+
+#endif

Ubiquitous/XiUOS/resources/ethernet/LwIP/include/lwip/arch.h

@@ -90,7 +90,7 @@
  * systems, this should be defined to something less resource-consuming.
  */
 #ifndef LWIP_PLATFORM_ASSERT
-#define LWIP_PLATFORM_ASSERT(x) do {printf("Assertion \"%s\" failed at line %d in %s\n", \
+#define LWIP_PLATFORM_ASSERT(x) do {KPrintf("Assertion \"%s\" failed at line %d in %s\n", \
                                      x, __LINE__, __FILE__); fflush(NULL); abort();} while(0)
 #include <stdio.h>
 #include <stdlib.h>