Flashing is slow for us too, how do you get the speed? 2015-01-12 11:13 GMT+01:00 Lucas Jenß <li...@x3ro.de>:
> Hi Thomas, > > verification was much faster as 0.4KiB/s, I think around 10 or so for me. > I checked out OpenOCD on the 9th. I’m also running Linux inside VMware > though, so maybe it’s just caused by the virtualization. I’ll see how fast > it is on the host. > > Cheers, > Lucas > > A couple of days ago. > > On 12 Jan 2015, at 11:00, Thomas Eichinger <thomas.eichin...@fu-berlin.de> > wrote: > > > Hi Lucas, > > > > I was playing with the openocd configuration a bit, mainly > > `adapter_speed`, back when support for this was added without > > any significant outcome. > > Problem is, the EDBG chip, on the bottom of the board, handling > > communication with the MCU is specified to run on 1MHz and the > > openocd docs mention, for CMSIS-DAP, it is not advised to let > > signal frequency exceed half of the operating frequency. > > (I’d guess Nyquist-Shannon applies) > > > > That said, 0.481KiB/s still seems slow for this. I’m at least > > reaching 1.787KiB/s for flashing and 11.190KiB/s for verification. > > When did you check out the OpenOCD code? > > > > Best, Thomas > > > >> On 10 Jan 2015, at 14:25, Lucas Jenß <li...@x3ro.de> wrote: > >> > >> Hey everyone, > >> > >> I’ve been playing around with the Samr21 xpro and flashing > >> the device is _really_ slow, i.e. 0.481 KiB/s. Is this expected > >> or is there a way to improve it? I’m using the current OpenOCD > >> Git HEAD because the 0.8.0 release does not seem to contain the > >> configs for the board yet. I tried to flash the hello-world > >> example. > >> > >> Cheers, > >> Lucas > >> _______________________________________________ > >> devel mailing list > >> devel@riot-os.org > >> http://lists.riot-os.org/mailman/listinfo/devel > > > > _______________________________________________ > > devel mailing list > > devel@riot-os.org > > http://lists.riot-os.org/mailman/listinfo/devel > > > > _______________________________________________ > devel mailing list > devel@riot-os.org > http://lists.riot-os.org/mailman/listinfo/devel > -- *Clenet BaptisteFR: +33 6 29 73 05 39* *Élève-Ingénieur ESEO Angers, dernière année, spécialisation: Architecte système temps réél embarqué* *Bidiplôme Master Robotics à l'Université de Plymouth en 2013-2014*
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