sixlowapp Ping not working in SAM R21

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1

Hi Lucas,

Thank you. I will apply the patch and update you the progress.

Thanks again. Abdul

Hi Abdul,

The ping issue should be fixed by applying https://github.com/RIOT-OS/RIOT/pull/2727. The next problem you might run into with the sixlowapp is that the stacksize settings for the SAM R21 board are currently a little conservative, which causes it to run out of memory when trying to send a UDP packet with the nc command of the sixlowapp. This can be “fixed” by increasing the KERNEL_CONF_STACKSIZE_DEFAULT in RIOT/cpu/samd21/include/cpu-conf.h - I’ve got it to work by increasing it to 1536, but you might have to play around a little.

Cheers, Lucas

2

Hi,

Thank you. This worked for me. I increased the KERNEL_CONF_STACKSIZE_DEFAULT to 2K to make things works for my application.

I see that we have problems in making rpl_udp application working in SAM R21 due to the RAM limitation. Is there anyway, we can make this work in the platform?

Thanks Abdul

3

Yeah you could remove the beacon function. It would properly free 4k of bad

4

Hi Abdul,

Have you already tried decreasing RPL_MAX_ROUTING_ENTRIES, if that’s possible for your network size?

Cheers, Lotte