Hello everybody,
I try to bring up a wireless connection between two identical boards,
both equiped with the at86rf233 module.
At first everything seems to be good - the source was compiled without
failure, the process list shows all the threads needed for a working
interface, but when I try to get a contact from one board to the other
nothing happens.
Is there anyone who can give some hints about the best way to bring up a
wireless connection with RIOT?
Here is what I have done:
First I flash the gnrc_networking example on both boards. The command
showed exactly the same on both boards:
> ifconfig
Iface 7 HWaddr: 30:02 Channel: 26 Page: 0 NID: 0x23
Long HWaddr: 88:77:66:55:44:33:22:12
TX-Power: 0dBm State: IDLE max. Retrans.: 3 CSMA Retries: 4
AUTOACK CSMA MTU:1280 HL:64 6LO RTR IPHC
Source address length: 8
Link type: wireless
inet6 addr: ff02::1/128 scope: local [multicast]
inet6 addr: fe80::8a77:6655:4433:2212/64 scope: local
inet6 addr: ff02::1:ff33:2212/128 scope: local [multicast]
so far so good. Then I altered the ip-addresses on one board to:
> ifconfig
Iface 7 HWaddr: 30:02 Channel: 26 Page: 0 NID: 0x23
Long HWaddr: 88:77:66:55:44:33:22:12
TX-Power: 0dBm State: IDLE max. Retrans.: 3 CSMA Retries: 4
AUTOACK CSMA MTU:1280 HL:64 6LO RTR IPHC
Source address length: 8
Link type: wireless
inet6 addr: ff02::1/128 scope: local [multicast]
inet6 addr: fe80::8a77:6655:4433:2214/64 scope: local
inet6 addr: ff02::1:ff33:2214/128 scope: local [multicast]
then I tried to ping from one board to the other:
> ping6 fe80::8a77:6655:4433:2214
result: no output - the shell output stucks and I have to reboot....
A ping to the own address delivers this output, but then the shell
stucks again:
> ping6 fe80::8a77:6655:4433:2212
12 bytes from fe80::8a77:6655:4433:2212: id=83 seq=1 hop limit=64 time =
4.892 ms
Is this the normal behaviour of RIOT that the command don't come back to
the shell?
When the board stucks and I stop it with the debugger it seems the it
cycles through the Idle-State.
Can anyone give me some hints what I'm doing wrong? How could it be
found out that there is some traffic in the air?
Thanks a lot and best regards,
Bernhard
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