Simon:
Yes,your comment is reasonable ! Here is the stats print after udp_send:
My stand-alone lwip 's version seems too old 0.7.1 ,download from Altera
NIos forum:
http://forum.niosforum.com/forum/index.php?showtopic=949 (I haven't found
any newly than it )
This version even do not have stats_diplay ,i modified lwip/stats.c and
stats.h depend on lwip-1.1.0.luckily,it display well :)
----------------------------------------------------------
LINK
xmit: 1
rexmit: 0
recv: 0
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
IP_FRAG
xmit: 0
rexmit: 0
recv: 0
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
IP
xmit: 1
rexmit: 0
recv: 0
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
ICMP
xmit: 0
rexmit: 0
recv: 0
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
UDP
xmit: 1
rexmit: 0
recv: 0
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
TCP
xmit: 0
rexmit: 0
recv: 0
fw: 0
drop: 0
chkerr: 0
lenerr: 0
memerr: 0
rterr: 0
proterr: 0
opterr: 0
err: 0
cachehit: 0
PBUF
avail: 32
used: 0
max: 0
err: 0
alloc_locked: 0
refresh_locked: 0
MEM HEAP
avail: 65536
used: 100
max: 188
err: 0
MEM PBUF
avail: 32
used: 0
max: 0
err: 0
MEM RAW_PCB
avail: 4
used: 0
max: 0
err: 0
MEM UDP_PCB
avail: 4
used: 1
max: 1
err: 0
MEM TCP_PCB
avail: 5
used: 0
max: 0
err: 0
MEM TCP_PCB_LISTEN
avail: 8
used: 0
max: 0
err: 0
MEM TCP_SEG
avail: 16
used: 0
max: 0
err: 0
MEM NETBUF
avail: 0
used: 0
max: 0
err: 0
MEM NETCONN
avail: 0
used: 0
max: 0
err: 0
MEM API_MSG
avail: 0
used: 0
max: 0
err: 0
MEM TCP_MSG
avail: 0
used: 0
max: 0
err: 0
MEM TIMEOUT
avail: 0
used: 0
max: 0
err: 0
--
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