I don't know... I use the capemgr and it is loading the cape (or, at least,
is what the dmesg log is showing). This dtb is already on the BBB images or
I have to use some tool to generate it?

On Wed, Jun 3, 2015 at 2:48 PM, Aaron Clarke <[email protected]> wrote:

> Do you have a line dtb=am335x-boneblack-can1.dtb in uEnv.txt?
> That was a problem for me, I am working on a project with almost the same
> setup.
>
> Aaron
>
> On Monday, June 1, 2015 at 3:00:50 PM UTC-4, Bruno Luiz wrote:
>>
>> I am working with a BeagleBone Black rev C for a project using CAN. I am
>> using the CBB-Serial-r02 cape because we need the UART features too. The
>> problem is that CAN is not working. I did a lot of things to test it on a
>> 3.8-rt kernel from RobertCNelson (which is only PREEMPT), but it didn't
>> worked at all. Some things that I did:
>>
>> 0) Installed the latest Debian Image
>> 1) Always modprobe the can modules (can, can-dev, can-raw)
>> 2) Compiled and installed canutils, always using the "cangen can0" to
>> test the can output
>> 3) Always run "ip link set can0 up type can bitrate 125000; ifconfig can0
>> up" to activate can0
>> 4) Installed the CBB-Serial-r02 dtbs from the official repository, even
>> that the debian image that I used already includes it
>> 5) Test the output with an osciloscope. I did the same test with an EzDSP
>> 28335 and it worked, so it is not a problem with this part of the method
>> 6) I tried to do a candump can0 with the DSP generating random data, but
>> the candump didn't show any data
>>
>> I recompiled 3.14 kernel using the dtb-rebuilder (instructions on this
>> tutorial:
>> https://groups.google.com/d/msg/beagleboard/_9u1B6ZkgCU/K2ARgwfC490J)
>> and enabling the DCAN1 (because DCAN0 disables the I2C used for capemgr)
>> and it didn't worked too.
>>
>> Well, I ran out of options here. Some one is having problems with the rev
>> C and CAN too or that is some problem with my method?
>>
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-- 
Bruno Luiz da Silva - *http://brunoluiz.net <http://brunoluiz.net>*
Desenvolvedor de software @ *CES/CERTI
<http://www.certi.org.br/pt/ces-servicos>*
Co-fundador @ NeoViz (*http://neoviz.com.br* <http://neoviz.com.br/>)
Desenvolvedor Web freelance
Celular: (48) 9621-1021 | Skype: brnluiz

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