Well, I'm not reading a guide, but I'll share a few links that helped me get started. I have a Qt application and I use the SocketCAN to read/write CAN messages. This will work with J1939 as well.
https://www.kernel.org/doc/Documentation/networking/can.txt http://en.wikipedia.org/wiki/SocketCAN http://www.can-cia.org/fileadmin/cia/files/icc/13/kleine-budde.pdf On Thursday, September 11, 2014 7:44:50 PM UTC-4, William Hermans wrote: > > Brent, what guide are you reading for CAN ? I've never used CAN > personally, and am curious . . . > > On Thu, Sep 11, 2014 at 2:25 PM, Brent Sink <[email protected] > <javascript:>> wrote: > >> Adding restart-ms did the trick! Thanks so much, I never knew that was >> even there. >> >> On Wed, Sep 10, 2014 at 8:37 PM, Devan Lai <[email protected] >> <javascript:>> wrote: >> >>> You can configure the controller to automatically recover from bus-off >>> conditions by setting the "restart-ms" option. >>> >>> The python-can documentation has some useful notes on socket-can and >>> bus-off conditions: >>> >>> http://python-can.readthedocs.org/en/latest/socketcan.html#can-errors >>> >>> >>> On Wednesday, September 10, 2014 9:39:21 AM UTC-7, Brent wrote: >>>> >>>> I have noticed that if I short CAN_H and CAN_L together, or if there is >>>> noise on the bus, the BeagleBone will stop sending and receiving CAN >>>> messages. When this happens, if I execute "ifconfig can0 down" and >>>> "ifconfig can0 up", things start working again. Is there a way to detect >>>> this automatically and recover? I'm using SocketCAN, but haven't found >>>> anything that would tell me when I get a bus off or bus heavy. >>>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to a topic in the >>> Google Groups "BeagleBoard" group. >>> To unsubscribe from this topic, visit >>> https://groups.google.com/d/topic/beagleboard/SdvoxYkgagc/unsubscribe. >>> To unsubscribe from this group and all its topics, send an email to >>> [email protected] <javascript:>. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> >> -- >> -brent >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
