so now i have tried with both, and still without success
about signaltap, i can't use it because a problem of licence
here is what the console displays me :
nios2-terminal: connected to hardware target using JTAG UART on cable
nios2-terminal: "USB-Blaster [USB-0]", device 1, instance 0
nios2-terminal: (Use the IDE stop button or Ctrl-C to terminate)
=============== Software License Reminder ================
This software project uses an unlicensed version of the NicheStack TCP/IP
Network Stack - Nios II Edition. If you want to ship resulting object
code in your product, you must purchase a license for this software from
Altera. For information go to: "
http://www.altera.com/nichestack"
=====================================================
InterNiche Portable TCP/IP, v3.1
Copyright 1996-2008 by InterNiche Technologies. All rights reserved.
prep_tse_mac 0
Your Ethernet MAC address is 00:07:ed:ff:3b:14
prepped 1 interface, initializing...
[tse_mac_init]
INFO : TSE MAC 0 found at address 0x10022800
INFO : PHY Marvell 88E1111 found at PHY address 0x12 of MAC Group[0]
INFO : PHY[0.0] - Automatically mapped to tse_mac_device[0]
INFO : PHY[0.0] - Restart Auto-Negotiation, checking PHY link...
INFO : PHY[0.0] - Auto-Negotiation PASSED
INFO : PHY[0.0] - Checking link...
INFO : PHY[0.0] - Link established
INFO : PHY[0.0] - Speed = 1000, Duplex = Full
OK, x=0, CMD_CONFIG=0x00000000
MAC post-initialization: CMD_CONFIG=0x0400020b
[tse_sgdma_read_init] RX descriptor chain desc (1 depth) created
mctest init called
IP address of et1 : 192.168.1.234
Created "Inet main" task (Prio: 2)
Created "clock tick" task (Prio: 3)
DHCP timed out, going back to default IP address(es)
Simple Socket Server starting up
[sss_task] Simple Socket Server listening on port 30
Created "simple socket server" task (Prio: 4)
then i tried a ping to 192.168.1.234 : unsuccessfull
or telnet 192.168.1.234 30 : unsuccessfull
any idea is welcome
thanks for your help