Re: Testing CAN on Allwinner A20 / Banana Pi

[Patrick Menschel <menschel.p@posteo.de>]

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Hi,

the CAN4Linux Setup was made according to this walkthrough:
http://www.lemaker.org/thread-209-2-1-2.html
http://can-bus.996267.n3.nabble.com/can4linux-for-the-BananaPi-td4110.html

Transceiver is a Texas Instruments SN65HVD230DR 3,3V.

I have no application running with the CAN4Linux but I ran a few test
programs, such as a CAN dump.
I have an EDC17 that's flooding the CAN Bus with 11bit messages <1ms.
The BPi is capable to keep up with it.
An RPi with MCP2515 and socketcan instantly gives up.
I haven't tried it on the new RPi2 though.

Regards,
Patrick

Am 12.09.2015 um 11:13 schrieb Marc Kleine-Budde:
> On 09/12/2015 10:51 AM, Patrick Menschel wrote:
> 
>> I'm new to socketcan and like to test the recent driver for the
>> Allwinner A20 on a BPi.
>>
>> I've got a BPi running CAN4Linux and like to setup a second BPi running
>> socketcan.
> 
> Is your CAN4Linux setup working? It's good to have a working CAN station
> to talk to.
> 
>> I have some basic questions prior to get started with the project:
>>
>> 1.
>> Which kernel version is necessary for the current socketcan?
>> I use the standard linux-sunxi kernel from the repos as this worked well
>> with CAN4Linux.
>> https://github.com/linux-sunxi/linux-sunxi.git
> 
> I'm using mainline linux on my Bpi. Works quite well. I don't use the
> graphics, though.
> 

>> 2.
>> I haven't been able to locate the recent driver on the repos.
>> https://git.kernel.org/cgit/linux/kernel/git/mkl/linux-can-next.git/
>> https://git.kernel.org/cgit/linux/kernel/git/mkl/linux-can.git/
>>
>> Did I miss something, because none of the related commits I see in the
>> mailing list are present in the repo?
> 
> The driver by Gerhard Bertelsmann is still under review, you have to
> apply the patches:
> 
> http://article.gmane.org/gmane.linux.can/8511/raw
> http://article.gmane.org/gmane.linux.can/8512/raw
> 
> to your kernel manually. You have to switch on the CAN driver in you dts
> as documented in patch 8511. Note: When using the patch from the gmane
> archive you have to replace the " <at> " by a "@" sign.
> 
> Marc
> 


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