LWIP

Collaboration diagram for LWIP:

Modules
	ETHERNETIF

Functions
static void	ethernet_link_status_updated (struct netif *netif)
	Notify the User about the network interface config status. More...
static void	Ethernet_Link_Periodic_Handle (struct netif *netif)
	Ethernet Link periodic check. More...
void	Error_Handler (void)
	This function is executed in case of error occurrence. More...
void	MX_LWIP_Init (void)
	LwIP initialization function. More...
void	MX_LWIP_Process (void)
	Read a received packet from the Ethernet buffers. More...

Variables
uint32_t	DHCPfineTimer = 0
uint32_t	DHCPcoarseTimer = 0
uint32_t	EthernetLinkTimer
struct netif	gnetif
ip4_addr_t	ipaddr
ip4_addr_t	netmask
ip4_addr_t	gw
ETH_HandleTypeDef	heth

Detailed Description

Function Documentation

Error_Handler()

void Error_Handler

(

void

)

This function is executed in case of error occurrence.

Return values

None

Ethernet_Link_Periodic_Handle()

static void Ethernet_Link_Periodic_Handle ( struct netif *  netif )

static

Ethernet Link periodic check.

Parameters

netif

Return values

None

References ethernet_link_check_state(), and EthernetLinkTimer.

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ethernet_link_status_updated()

static void ethernet_link_status_updated ( struct netif *  netif )

static

Notify the User about the network interface config status.

Parameters

netif

the network interface

Return values

None

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MX_LWIP_Init()

void MX_LWIP_Init

(

void

)

LwIP initialization function.

---

References ethernet_link_status_updated(), ethernetif_init(), gnetif, gw, ipaddr, and netmask.

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MX_LWIP_Process()

void MX_LWIP_Process

(

void

)

• Read a received packet from the Ethernet buffers.

• Send it to the lwIP stack for handling.
• Handle timeouts if LWIP_TIMERS is set and without RTOS.
• Handle the llink status if LWIP_NETIF_LINK_CALLBACK is set and without RTOS

---

References Ethernet_Link_Periodic_Handle(), ethernetif_input(), and gnetif.

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Variable Documentation

DHCPcoarseTimer

uint32_t DHCPcoarseTimer = 0

DHCPfineTimer

uint32_t DHCPfineTimer = 0

EthernetLinkTimer

uint32_t EthernetLinkTimer

gnetif

struct netif gnetif

gw

ip4_addr_t gw

heth

ETH_HandleTypeDef heth

< IAR Compiler

ipaddr

ip4_addr_t ipaddr

netmask

ip4_addr_t netmask