Solvline PB2xxxUG - Manual (Page 88)

printf ("Dest %s(%d) failed accepting socket\n",
SYS.dest_ip, SYS.dest_port);
exit(0);
}
while (1)
{
ret = U_accept (LFD, 2, 0); // wait for 2 seconds
if (ret == 0) printf ("Try to connect...\n");
if (ret == -1)
{
printf ("failed accepting... \n");
exit (0);
}
if (ret > 0)
{
printf ("Connected\n");
LFD = ret;
break;
}
}
while (1)
{
/*----------< Check on received TCP socket data >----------*/
switch (ret = U_read_lan (LFD, WORK, 1024))
{
/*------< No data >------*/
case 0 : break;
/*-------< Socket failed >-------*/
case -1 :
printf ("Socket Disconnet ...\n");
exit(0);
/*--------< Got some data >--------*/
default :
U_send_port (SFD, WORK, ret);
printf ("LAN->Serial %3d bytes sending ...\n", ret);
break;
}
/*----------< Check on received serial data >----------*/
switch (ret = U_read_port(SFD, WORK, 1024, 1))
{
case 0 : break;
default :
write (LFD, WORK, ret);
printf ("Serial->LAN %3d bytes sending ...\n", ret);
break;
}
}
}
4. Compile
This file should be same directory with the offered sample codes.
(The cross-compiler also should be “/usr/local” path on user’s computer.)
88