*

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+/**
+ ******************************************************************************
+  * File Name          : LWIP.c
+  * Description        : This file provides initialization code for LWIP
+  *                      middleWare.
+  ******************************************************************************
+  * COPYRIGHT(c) 2016 STMicroelectronics
+  *
+  * 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. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER 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. 
+  ******************************************************************************
+  */
+  
+/* Includes ------------------------------------------------------------------*/
+#include "lwip.h"
+#include "lwip/init.h"
+#include "lwip/netif.h"
+#include "ethernetif.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/* ETH Variables initialization ----------------------------------------------*/
+void Error_Handler(void);
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+/* Semaphore to signal Ethernet Link state update */
+osSemaphoreId Netif_LinkSemaphore = NULL;
+/* Ethernet link thread Argument */
+struct link_str link_arg;
+
+/* Variables Initialization */
+struct netif gnetif;
+ip4_addr_t ipaddr;
+ip4_addr_t netmask;
+ip4_addr_t gw;
+
+/* USER CODE BEGIN 2 */
+
+/* USER CODE END 2 */
+
+/**
+  * LwIP initialization function
+  */
+void MX_LWIP_Init(void)
+{
+  /* Initilialize the LwIP stack with RTOS */
+  tcpip_init( NULL, NULL );
+
+  /* IP addresses initialization with DHCP (IPv4) */
+  ipaddr.addr = 0;
+  netmask.addr = 0;
+  gw.addr = 0;
+
+  /* add the network interface (IPv4/IPv6) with RTOS */
+  netif_add(&gnetif, &ipaddr, &netmask, &gw, NULL, &ethernetif_init, &tcpip_input);
+
+  /* Registers the default network interface */
+  netif_set_default(&gnetif);
+
+  if (netif_is_link_up(&gnetif))
+  {
+    /* When the netif is fully configured this function must be called */
+    netif_set_up(&gnetif);
+  }
+  else
+  {
+    /* When the netif link is down this function must be called */
+    netif_set_down(&gnetif);
+  }
+
+  /* Set the link callback function, this function is called on change of link status*/
+  netif_set_link_callback(&gnetif, ethernetif_update_config);
+
+  /* create a binary semaphore used for informing ethernetif of frame reception */
+  osSemaphoreDef(Netif_SEM);
+  Netif_LinkSemaphore = osSemaphoreCreate(osSemaphore(Netif_SEM) , 1 );
+
+  link_arg.netif = &gnetif;
+  link_arg.semaphore = Netif_LinkSemaphore;
+  /* Create the Ethernet link handler thread */
+  osThreadDef(LinkThr, ethernetif_set_link, osPriorityNormal, 0, configMINIMAL_STACK_SIZE * 2);
+  osThreadCreate (osThread(LinkThr), &link_arg);
+
+  /* Start DHCP negotiation for a network interface (IPv4) */
+  dhcp_start(&gnetif);
+
+/* USER CODE BEGIN 3 */
+
+/* USER CODE END 3 */
+}
+/* USER CODE BEGIN 4 */
+
+/* USER CODE END 4 */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/