static void PingStart(void)

来源：互联网发布：黑客篡改时时彩数据编辑：程序博客网时间：2024/06/15 22:34

static void PingStart(void)
{
#if defined(CONFIG_NET_MULTI)
   printf ("Using %s device\n", eth_get_name());
#endif   /* CONFIG_NET_MULTI */
   NetSetTimeout (10 * CFG_HZ, PingTimeout);        //(10*1562500，PingTimeout)
   NetSetHandler (PingHandler);

   PingSend();

}

NetSetTimeout(ulong iv, thand_f * f)
{
   if (iv == 0) {
       timeHandler = (thand_f *)0;
   } else {
       timeHandler = f;                      //函数句柄=PingTimeout
       timeStart = get_timer(0);         //获取当时时间
       timeDelta = iv;                         //超时限制时间
   }
}

PingTimeout (void)
{
eth_halt();
NetState = NETLOOP_FAIL; /* we did not get the reply */
}

NetSetHandler(rxhand_f * f)
{
packetHandler = f; //函数句柄=PingHandler
}

PingHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
{
   IPaddr_t tmp;
   volatile IP_t *ip = (volatile IP_t *)pkt;

   tmp = NetReadIP((void *)&ip->ip_src);
   if (tmp != NetPingIP)
       return;

   NetState = NETLOOP_SUCCESS;
}