Hello ,Thanks for reply. en...Good news is that dcan's loopback mode work ! Bad news is still that dcan can't use in nomal mode .I keep consulting the TI engineer. referring to https://e2e.ti.com/support/processors/f/791/p/739907/2731843#2731843
在 2018年10月11日星期四 UTC+8下午7:53:59，[email protected]写道： > > Hi, > Now can you use dcan on bb-x15? > If yes, please advise me how do open it > I see this link > https://e2e.ti.com/support/processors/f/791/p/715990/2645332#pi239031349=1 > but it cannot use > > เมื่อ วันอังคารที่ 14 สิงหาคม ค.ศ. 2018 14 นาฬิกา 27 นาที 31 วินาที UTC+7, > ezio H เขียนว่า: >> >> Link on ti e2e: https://e2e.ti.com/support/arm/sitara_arm/f/791/t/710355 >> . >> bb_x15 's DCAM1 don't work on either >> *ubuntu-16.04.3-minimal-armhf-2017-10-10 >> * or TI's Arogo >> On Arogo,I use: >> >> root@am57xx-evm:~# canconfig can0 bitrate 50000 ctrlmode triple-samplin >> [ 757.361582] omap_hwmod: dcan1: _wait_target_disable failed >> can0 bitrate: 50000, sample-point: 0.875 >> [ 757.376837] omap_hwmod: dcan1: _wait_target_disable failed >> can0 ctrlmode: loopback[OFF], listen-only[OFF], >> tripple-sampling[ON],one-shot[OFF], berr-reporting[OFF] >> root@am57xx-evm:~# ifconfig can0 up >> >> >> And everything about CAN looks good >> >> root@am57xx-evm:~# lsmod | grep can >> can_raw 6589 2 >> can 29904 1 can_raw >> c_can_platform 6638 0 >> c_can 9718 1 c_can_platform >> can_dev 12397 1 c_can >> >> root@am57xx-evm:~# cat /proc/device-tree/ocp/can\@481cc000/status >> okay >> >> >> >> >> Except: omap_hwmod: dcan1: _wait_target_disable failed. >> What should I do with this error messagge >> >> -- 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/69ca0c0e-96e3-4c61-9da8-d665d91fd744%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
