To use this method you need a Debug Port Interface.
Plug the DPI interface on the debug port and run on your PC a terminal emulator like minicom (Linux) or putty (Windows), select the serial port allocated for the DPI interface and configure it as 115200,8,N,1 then type [Enter].
You could see the Linux prompt:
Now type this command:
debarm~# ifconfig eth0 eth0 Link encap:Ethernet HWaddr 00:04:25:ac:00:46 inet addr:192.168.1.29 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::204:25ff:feac:46/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:2857 errors:33 dropped:0 overruns:0 frame:29 TX packets:270 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:175887 (171.7 KiB) TX bytes:12757 (12.4 KiB) Interrupt:21 Base address:0x4000
The IP address assigned is indicated as inet addr. In this case it is equal to 192.168.1.29. If no address is listed your DHCP is probably not working well or the netcable is detached.
If you have access to the administrator panel of the DHCP on your LAN this is probably the easiest way to discover the IP address assigned to the Acme board. You can identify the IP easily by searching for hostname netusg20 or ariag25 or MAC address that starts with 00:04:25:..:..:...
Another way to discover your IP address is by using the free utility Angry IP scanner available on this link http://www.angryip.org/w/Download).
This utility is available for Windows, Linux and MAC and can scan all the hosts wired on your LAN getting its hostname as shown below
A method (although not very fast) to discover your Acme board IP address is using this simple script:
#!/bin/sh echo "Usage: $0
" i=1 while [ "$i" -lt 254 ] do ping -c 1 -W 1 "$1.$i" > /dev/null if [ "$?" -ne 1 ] then echo "$1.$i SUCCESS !" else echo "$1.$i fail" fi i=$(( $i + 1 )) done
Save it in a file (for example scanip.sh) and enable as executable file with chmod +x scanip.sh then execute providing the base address of your LAN. For example:
It will ping all the addresses from 1 to 254 on your LAN in that way:
192.168.1.1 SUCCESS ! 192.168.1.2 SUCCESS ! 192.168.1.3 fail 192.168.1.4 fail 192.168.1.5 fail 192.168.1.6 fail ...
The timeout on fail condition is 1 second so the test needs max 254 second to scan a C class network.
DPI is an USB-to-serial interface to link the Acme boards debug port to a PC USB host port and have access at the Linux system console using a terminal emulator program like minicom, putty, hyperterminal, etc.
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