Hey Bruno, regarding your Step 3) Try "ip link set can0 up type can bitrate 125000 listen-only off". After this Step send some CAN Messages to the Controller and enter ifconfig in the console window. Please tell me, if you can see the can0 device. Did the device read any messages (RX entry)
Kind regards, Michael Am Montag, 1. Juni 2015 21:00:50 UTC+2 schrieb Bruno Luiz: > > 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? > -- 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. For more options, visit https://groups.google.com/d/optout.
