Question
uIP question
Posted on December 24, 2012 at 17:41
uint32_t uIPMain(
void
)
{
uint32_t i;
uip_ipaddr_t ipaddr;
struct
timer periodic_timer, arp_timer;
// Sys timer init 1/100 sec tick
clock_init(2);
timer_set(&periodic_timer, CLOCK_SECOND / 2);
timer_set(&arp_timer, CLOCK_SECOND * 10);
// Initialize the ethernet device driver
// Init MAC
// Phy network negotiation
tapdev_init();
// uIP web server
// Initialize the uIP TCP/IP stack.
uip_init();
// Init WEB server
uip_ipaddr(ipaddr, 192,168,1,100);
//printf(''IP Address: 0.100\n\r'');
uip_sethostaddr(ipaddr);
uip_ipaddr(ipaddr, 192,168,1,3);
uip_setdraddr(ipaddr);
uip_ipaddr(ipaddr, 255,255,255,0);
uip_setnetmask(ipaddr);
// Initialize the HTTP server.
httpd_init();
// Run WEB server and wait any key for exit
while
(1)
{
uip_len = tapdev_read(uip_buf);
if
(uip_len > 0)
{
if
(BUF->type == htons(UIP_ETHTYPE_IP))
{
uip_process(1);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if
(uip_len > 0)
{
uip_arp_out();
tapdev_send(uip_buf,uip_len);
}
}
else
if
(BUF->type == htons(UIP_ETHTYPE_ARP))
{
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if
(uip_len > 0)
{
tapdev_send(uip_buf,uip_len);
}
}
}
else
if
(timer_expired(&periodic_timer))
{
timer_reset(&periodic_timer);
for
(i = 0; i < UIP_CONNS; i++)
{
uip_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if
(uip_len > 0)
{
uip_arp_out();
tapdev_send(uip_buf,uip_len);
}
}
/* Call the ARP timer function every 10 seconds. */
if
(timer_expired(&arp_timer))
{
timer_reset(&arp_timer);
uip_arp_timer();
}
}
}
return
(1);
} 