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I could not get to send/receive FDCAN frame (with BRS enabled) #22

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Antoine31400 opened this issue Sep 14, 2022 · 1 comment
Open

I could not get to send/receive FDCAN frame (with BRS enabled) #22

Antoine31400 opened this issue Sep 14, 2022 · 1 comment

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@Antoine31400
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Hi !

We are currently trying to use your crate to send/receive FDCAN frame, with bitrate_switch enabled, using a NUCLEO-H7A3ZI-Q board (it is a STM32H7A3ZI on it).

The standard CAN and the FDCAN (with no BRS) seem to work well, but we could not get to make BRS working.
We do not know where the issue come from, neither if the issue come from the crate.

Did someone try and succeed to send/receive FDCAN (BRS enabled) frame ?

Thanks !
@richardeoin
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I made an example of CAN-FD with BRS working on a development board. However I only tested it in loopback mode with a logic analyser, not with another real device. You can find it here

sigrok-can-fd-with-brs

It would be interesting to know if this example works for you. Maybe there are still bugs, and the differences in your tests might show what these are.

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@richardeoin @Antoine31400