weatherstation/firmware/libraries/WiFi/extras/wifiHD/src/lwip_setup.c

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2022-09-16 09:20:19 +02:00
/*! \page License
* Copyright (C) 2009, H&D Wireless AB 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. 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. The name of H&D Wireless AB may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY H&D WIRELESS AB ``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 EXPRESSLY AND
* SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
*/
/*!
* \file lwIP setup code
*
* \brief Collects the lwIP setup code that an application has to
* execute in a standalone environment.
*
* \author H&D Wireless AB \n
*
*/
#include <lwip/init.h>
#include <lwip/dhcp.h>
#include <lwip/tcp.h>
#include <ipv4/lwip/ip_frag.h>
#include <netif/etharp.h>
#include <netif/wlif.h>
#include <timer.h>
#include "lwip_setup.h"
#include "lwip/dns.h"
/**
*
*/
static void
tcp_tmr_cb(void *ctx)
{
tcp_tmr();
}
/**
*
*/
static void
ip_tmr_cb(void *ctx)
{
ip_reass_tmr();
}
/**
*
*/
static void
dns_tmr_cb(void *ctx)
{
dns_tmr();
}
/**
*
*/
static void
etharp_tmr_cb(void *ctx)
{
etharp_tmr();
}
/**
*
*/
static void
dhcp_fine_tmr_cb(void *ctx)
{
dhcp_fine_tmr();
}
/**
*
*/
static void
dhcp_coarse_tmr_cb(void *ctx)
{
dhcp_coarse_tmr();
}
int start_ip_stack(struct net_cfg *cfg,
struct ip_addr ipaddr,
struct ip_addr netmask,
struct ip_addr gw) {
if (cfg->dhcp_enabled) {
IP4_ADDR(&gw, 0,0,0,0);
IP4_ADDR(&ipaddr, 0,0,0,0);
IP4_ADDR(&netmask, 0,0,0,0);
}
/* add wl to lwip interface list and set as default */
cfg->netif = netif_add(cfg->netif,
&ipaddr,
&netmask,
&gw,
NULL,
wlif_init, /* init */
ethernet_input /* handles ARP and IP packets */);
if (cfg->netif == NULL)
return -1;
netif_set_default(cfg->netif);
/* register lwip timer callbacks for tcp, arp and dhcp protocols */
timer_sched_timeout_cb(5000, TIMEOUT_PERIODIC,
etharp_tmr_cb, NULL);
timer_sched_timeout_cb(TCP_TMR_INTERVAL, TIMEOUT_PERIODIC,
tcp_tmr_cb, NULL);
timer_sched_timeout_cb(DHCP_FINE_TIMER_MSECS, TIMEOUT_PERIODIC,
dhcp_fine_tmr_cb, NULL);
timer_sched_timeout_cb(DHCP_COARSE_TIMER_MSECS, TIMEOUT_PERIODIC,
dhcp_coarse_tmr_cb, NULL);
timer_sched_timeout_cb(IP_TMR_INTERVAL, TIMEOUT_PERIODIC,
ip_tmr_cb, NULL);
timer_sched_timeout_cb(DNS_TMR_INTERVAL, TIMEOUT_PERIODIC,
dns_tmr_cb, NULL);
return 1;
}