#include "lwip.h"
#include "lwip/init.h"
#include "lwip/netif.h"
#include "dbg.h"

Functions
void	Error_Handler (void)
	This function is executed in case of error occurrence. More...

void	netif_link_callback (struct netif *eth)

void	MX_LWIP_Init (void)

Variables
struct netif	eth0

ip4_addr_t	ipaddr

ip4_addr_t	netmask

ip4_addr_t	gw

Function Documentation

◆ Error_Handler()

void Error_Handler ( void )

This function is executed in case of error occurrence.

File Name : LWIP.c 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.

Redistribution and use in source and binary forms, with or without modification, are permitted, provided that the following conditions are met:

Redistribution of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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.
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.
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.
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.

Return values

None

                          {
     /* USER CODE BEGIN Error_Handler_Debug */
     /* User can add his own implementation to report the HAL error return state */
     app_error();
     /* USER CODE END Error_Handler_Debug */
 }

◆ netif_link_callback()

void netif_link_callback ( struct netif * eth )

                                             {
     ethernetif_update_config(eth);
  
     if (netif_is_link_up(eth)) {
         netif_set_up(eth);
         dhcp_start(eth);
     } else {
         netif_set_down(eth);
     }
 }

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◆ MX_LWIP_Init()

void MX_LWIP_Init ( void )

LwIP initialization function

                         {
     /* 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(&eth0, &ipaddr, &netmask, &gw, NULL, &ethernetif_init, &tcpip_input);
  
     /* Registers the default network interface */
     netif_set_default(&eth0);
  
     if (netif_is_link_up(&eth0)) {
         /* When the netif is fully configured this function must be called */
         netif_set_up(&eth0);
         /* Start DHCP negotiation for a network interface (IPv4) */
         dhcp_start(&eth0);
     } else {
         /* When the netif link is down this function must be called */
         netif_set_down(&eth0);
     }
  
     /* USER CODE BEGIN 3 */
     netif_set_link_callback(&eth0, netif_link_callback);
     /* USER CODE END 3 */
 }

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Variable Documentation

◆ eth0

struct netif eth0

File Name : LWIP.h Description : This file provides code for the configuration of the LWIP.

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.

Redistribution and use in source and binary forms, with or without modification, are permitted, provided that the following conditions are met:

Redistribution of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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.
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.
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.
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.

◆ ipaddr

ip4_addr_t ipaddr

◆ netmask

ip4_addr_t netmask

◆ gw

ip4_addr_t gw

Functions

Variables