/*! \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; }