Oh forgot to mention. You'd need to use socketCAN. Perhaps this guy will give you some ideas. https://fabiobaltieri.com/2013/07/23/hacking-into-a-vehicle-can-bus-toyothack-and-socketcan/
On Wed, May 20, 2020 at 1:40 PM William Hermans <yyrk...@gmail.com> wrote: > For the record, you do not have to wait for kernel 5.4 to do J1939. I > wrote software using kernel 3.8.x that read a hybrid NIMEA 2000 protocol, > which uses the same high level protocol as J1939. All you have to do is > understand J1939, and bit wrangle . . . > > On Wed, May 20, 2020 at 7:33 AM Robert Nelson <robertcnel...@gmail.com> > wrote: > >> >> >> On Wed, May 20, 2020 at 2:54 AM Gwen Stouthuysen < >> gwen.stouthuy...@gmail.com> wrote: >> >>> I have the impression that your network is set up for J1939 or CANOpen >>> (CAN 2.0B) >>> >>> when you send a message to a short address (CAN 2.0A) it doesn't get >>> acknowledged, and this might crash your bus, as the BB will try to send it >>> till the message is acknowledged.. >>> Try to send a message to a 29bit address, or add a second can interface >>> that will acknowledge your messages. (CAN1 on the BB). >>> >>> I'm a bit stuck on moving over to J1939, as that requires at least >>> kernel 5.4, which results in boot issues due the overlay approach as >>> applied in the Beaglebone OS >>> >> >> The issue with 5.4 should now have been resolved... If you have free >> time, please re-test and let me know. >> >> Regards, >> >> >> -- >> Robert Nelson >> https://rcn-ee.com/ >> >> -- >> 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 beagleboard+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/beagleboard/CAOCHtYjJ4TpHSSmA9R0uL7YRYO3j8KPwv%3Dk74UB%3DCBJs8CTiJA%40mail.gmail.com >> <https://groups.google.com/d/msgid/beagleboard/CAOCHtYjJ4TpHSSmA9R0uL7YRYO3j8KPwv%3Dk74UB%3DCBJs8CTiJA%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CALHSORqfP_sZEa3UBRDfr_Cya1ja_DRSwtPgAn9b8J2zDdjhbA%40mail.gmail.com.
