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add uip
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1125 bbd45198-f89e-11dd-88c7-29a3b14d5316
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86
components/net/uip/doc/example-mainloop-with-arp.c
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86
components/net/uip/doc/example-mainloop-with-arp.c
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#include "uip.h"
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#include "uip_arp.h"
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#include "network-device.h"
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#include "httpd.h"
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#include "timer.h"
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#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
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/*---------------------------------------------------------------------------*/
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int
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main(void)
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{
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int i;
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uip_ipaddr_t ipaddr;
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struct timer periodic_timer, arp_timer;
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timer_set(&periodic_timer, CLOCK_SECOND / 2);
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timer_set(&arp_timer, CLOCK_SECOND * 10);
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network_device_init();
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uip_init();
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uip_ipaddr(ipaddr, 192,168,0,2);
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uip_sethostaddr(ipaddr);
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httpd_init();
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while(1) {
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uip_len = network_device_read();
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if(uip_len > 0) {
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if(BUF->type == htons(UIP_ETHTYPE_IP)) {
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uip_arp_ipin();
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uip_input();
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/* If the above function invocation resulted in data that
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should be sent out on the network, the global variable
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uip_len is set to a value > 0. */
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if(uip_len > 0) {
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uip_arp_out();
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network_device_send();
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}
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} else if(BUF->type == htons(UIP_ETHTYPE_ARP)) {
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uip_arp_arpin();
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/* If the above function invocation resulted in data that
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should be sent out on the network, the global variable
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uip_len is set to a value > 0. */
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if(uip_len > 0) {
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network_device_send();
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}
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}
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} else if(timer_expired(&periodic_timer)) {
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timer_reset(&periodic_timer);
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for(i = 0; i < UIP_CONNS; i++) {
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uip_periodic(i);
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/* If the above function invocation resulted in data that
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should be sent out on the network, the global variable
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uip_len is set to a value > 0. */
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if(uip_len > 0) {
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uip_arp_out();
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network_device_send();
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}
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}
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#if UIP_UDP
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for(i = 0; i < UIP_UDP_CONNS; i++) {
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uip_udp_periodic(i);
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/* If the above function invocation resulted in data that
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should be sent out on the network, the global variable
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uip_len is set to a value > 0. */
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if(uip_len > 0) {
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uip_arp_out();
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network_device_send();
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}
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}
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#endif /* UIP_UDP */
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/* Call the ARP timer function every 10 seconds. */
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if(timer_expired(&arp_timer)) {
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timer_reset(&arp_timer);
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uip_arp_timer();
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}
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}
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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