Thanks for your answer! I think I can send data between with each other, but I am puzzled by the realization,
where can I find the txtsnd source codes? Does packet txtsnd sent is through RF based on GNRC protocol, not the serial right? Thanks, Haoyang > On Oct 23, 2015, at 15:34, Martine Lenders <authmille...@gmail.com> wrote: > > Hi Haoyang, > > > 2015-10-23 20:08 GMT+02:00 Haoyang Yu <haoyang...@rutgers.edu > <mailto:haoyang...@rutgers.edu>>: > txtsnd: I cannot set the interface, if I use tap0, which will echo: error: > invalid interface given. > You need to use the interface on the node, not the TAP. The TAP is the > endpoint on the host system for the "cable" you draw between host and native > node. Use `ifconfig` to see what interface to use (as documented in the > default example's README [1]). > I found the tutorial that said using addr, but I do not have the addr command > when I use the R21 board. > Can you point us to this tutorial? The addr command was dropped for the last > release. Everything can be done with `ifconfig` now (there is already an > address configured though). > And what is the mean for interface for txtsnd to use, if I have > /dev/tty.usbmodem* MCU device > I don't know what you mean by that? If you mean it in the same way as you > said you used `tap0` on the native node, see above, if you want to send > actual packets over the serial line, have a look at SLIP [2] (or the > gnrc_border_router example about how to use it). > > [1] https://github.com/RIOT-OS/RIOT/tree/2015.09/examples/default#networking > <https://github.com/RIOT-OS/RIOT/tree/2015.09/examples/default#networking> > [2] http://doc.riot-os.org/group__net__gnrc__slip.html > <http://doc.riot-os.org/group__net__gnrc__slip.html>_______________________________________________ > devel mailing list > devel@riot-os.org > https://lists.riot-os.org/mailman/listinfo/devel
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