topic Re: i.mx8qm MEK FLEXCAN issue in i.MX Processors

i.mx8qm MEK FLEXCAN issue

aksh9354 — Fri, 05 Mar 2021 05:10:53 GMT

hello,

I am using the i.mx8qm MEK board,

facing the issue while the board sends the first message on can bus, the bus is going in off state but if another node or host pc sends the first message on the can bus there is no any issue the communication is fine

bus-off issue

imx_to_hostpc.png

Re: i.mx8qm MEK FLEXCAN issue

aksh9354 — Fri, 05 Mar 2021 05:12:11 GMT

error showing

root@imx8qmmek:~# ip -details link show can0
2: can0: <NOARP,UP,LOWER_UP,ECHO> mtu 16 qdisc pfifo_fast state UNKNOWN mode DEFAULT group default qlen 10
link/can promiscuity 0
can state ERROR-ACTIVE (berr-counter tx 0 rx 0) restart-ms 0
bitrate 500000 sample-point 0.875
tq 50 prop-seg 17 phase-seg1 17 phase-seg2 5 sjw 1
flexcan: tseg1 2..64 tseg2 1..32 sjw 1..32 brp 1..1024 brp-inc 1
flexcan: dtseg1 1..39 dtseg2 1..8 dsjw 1..8 dbrp 1..1024 dbrp-inc 1
clock 40000000numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535

Re: i.mx8qm MEK FLEXCAN issue

Rita_Wang — Wed, 17 Mar 2021 05:12:30 GMT

Are you using the base board?

Re: i.mx8qm MEK FLEXCAN issue

aksh9354 — Fri, 19 Mar 2021 05:15:19 GMT

i am using i.mx8qm mek board for adas project.....

Re: i.mx8qm MEK FLEXCAN issue

Rita_Wang — Mon, 12 Apr 2021 06:48:08 GMT

Have you using the base board with the i.mx8qm MEK board?https://www.nxp.com/part/MCIMX8-8X-BB#/

As there are 2 can support on the base board.

Re: i.mx8qm MEK FLEXCAN issue

aksh9354 — Mon, 12 Apr 2021 06:55:06 GMT

yes i am using the base board

Re: i.mx8qm MEK FLEXCAN issue

Rita_Wang — Mon, 12 Apr 2021 07:00:00 GMT

You can refer to this https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/Simple-CAN-FD-test-on-i-MX8QXP-s-MEK-board/ta-p/1110169

Re: i.mx8qm MEK FLEXCAN issue

aksh9354 — Mon, 12 Apr 2021 10:10:55 GMT

the article is not available on this link

Re: i.mx8qm MEK FLEXCAN issue

Rita_Wang — Tue, 13 Apr 2021 02:02:28 GMT

You can not open it https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/Simple-CAN-FD-test-on-i-MX8QXP-s-MEK-board/ta-p/1110169, you can to try it again, and log in community first. It works well on my side, if it still not work contact me.

Re: i.mx8qm MEK FLEXCAN issue

aksh9354 — Tue, 13 Apr 2021 04:53:33 GMT

I tried it but still it not opening showing below error

An invalid set of parameters has been specified in the url.