2415050_en-US

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[RTD701] Example FRDM-A-S32K344 EMAC lwIP IPv6 Baremetal/FreeRTOS S32DS 3.6 RTD 7.0.1

This example is based on AN13458: Implement IPv6 + IPv4 Communication on One ENET Port based on LWIP.

/*
 * Copyright 2017-2026 NXP
 *
 * NXP Confidential and Proprietary. This software is owned or controlled by NXP
 * and may only be used strictly in accordance with the applicable license terms.
 * By expressly accepting such terms or by downloading, installing, activating
 * and/or otherwise using the software, you are agreeing that you have read,
 * and that you agree to comply with and are bound by, such license terms.
 * If you do not agree to be bound by the applicable license terms,
 * then you may not retain, install, activate or otherwise use the software.
 *********************************************************************************
*   File              main.c
*   Owner             Julián Aragón
*   Version           1.0
*   Date              21-09-2026
*   Classification    General Business Information
*********************************************************************************
* Detailed Description:
* Updated the example lwip_baremetal_s32k344 to enable simultaneous IPv4 and
* IPv6 pinging of the lwIP stack from the command window, based on AN13458.
*
*  ping -4 192.168.0.200
*
*  Pinging 192.168.0.200 with 32 bytes of data:
*  Reply from 192.168.0.200: bytes=32 time<1ms TTL=255
*  Reply from 192.168.0.200: bytes=32 time=1ms TTL=255
*  Reply from 192.168.0.200: bytes=32 time<1ms TTL=255
*  Reply from 192.168.0.200: bytes=32 time<1ms TTL=255
*
*  Ping statistics for 192.168.0.200:
*      Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
*  Approximate round trip times in milli-seconds:
*      Minimum = 0ms, Maximum = 1ms, Average = 0ms
*
*  ping -6 FE80::3DD7:9303:126c:0df0%23
*
*  Pinging fe80::3dd7:9303:126c:df0%23 with 32 bytes of data:
*  Reply from fe80::3dd7:9303:126c:df0%23: time<1ms
*  Reply from fe80::3dd7:9303:126c:df0%23: time<1ms
*  Reply from fe80::3dd7:9303:126c:df0%23: time<1ms
*  Reply from fe80::3dd7:9303:126c:df0%23: time<1ms
*
*  Ping statistics for fe80::3dd7:9303:126c:df0%23:
*      Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
*  Approximate round trip times in milli-seconds:
*      Minimum = 0ms, Maximum = 0ms, Average = 0ms
*
*	EVB:
*		- All jumpers in default positions
*
*	Configuration:
*		- Updated pin configuration
*		- Updated clock configuration
*		- IPv4 address: 192.168.0.200
*		- IPv6 address: FE80::3DD7:9303:126c:0df0 (static link-local)
*		- Enabled LWIP_IPV6 in lwipopts.h
*		- Enabled LWIP_RAW in lwipopts.h
*		- Set has_IPv6 = 1 in netifcfg.c
*
* 	main.c
* 		- Updated header only
* 	device.c
* 		- No changes
* 	test.c
* 		- Added IPv6 static address assignment in interface_init()
* 	  	(IP6_ADDR + netif_add_ip6_address + netif_ip6_addr_set_state)
* 		- Added icmp_led_init() call in apps_init()
* 		- Added icmp_led_callback(): raw PCB for IPv4 ICMP (protocol 1)
* 	  	flashes GREEN LED on ping receive
* 		- Added icmp_led_callback(): raw PCB for IPv6 ICMPv6 (protocol 58)
* 	  	flashes BLUE LED on ping receive
* 		- Commented out TCP/IP stack shutdown timeout
*
*   -----------------------------------------------------------------------------
*   Test HW:        FRDM-A-S32K344 SCH-94921 PDF: SPF-94921 Rev. C
*   MCU:            S32K344
*   Debugger:       On Board
*   Target:         internal_FLASH
*   EVB connection: EMAC <-> USB-to-Ethernet adapter <-> Laptop DELL, Windows 11
*********************************************************************************
*   Revision History:
*   Ver  Date         Author            Description of Changes
*   1.0  Sep-21-2026  Julián Aragón 	Initial version
**********************************************************************************/

Note: In order to ping with IPv6 from Windows 11 Command Prompt, you must specify Ethernet port Idx being used:

ping -6 FE80::3DD7:9303:126c:0df0%

You can find your numeric index with the following command: netsh interface ipv6 show interfaces.