rt-thread/components/net/uip/doc/example-mainloop-without-arp.c

#include "uip.h"
#include "uip_arp.h"
#include "network-device.h"
#include "httpd.h"
#include "timer.h"

/*---------------------------------------------------------------------------*/
int
main(void)
{
  int i;
  uip_ipaddr_t ipaddr;
  struct timer periodic_timer;
  
  timer_set(&periodic_timer, CLOCK_SECOND / 2);
  
  network_device_init();
  uip_init();

  uip_ipaddr(ipaddr, 192,168,0,2);
  uip_sethostaddr(ipaddr);

  httpd_init();
  
  while(1) {
    uip_len = network_device_read();
    if(uip_len > 0) {
      uip_input();
      /* 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) {
	network_device_send();
      }
    } 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) {
	  network_device_send();
	}
      }

#if UIP_UDP
      for(i = 0; i < UIP_UDP_CONNS; i++) {
	uip_udp_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) {
	  network_device_send();
	}
      }
#endif /* UIP_UDP */
    }
  }
  return 0;
}
/*---------------------------------------------------------------------------*/