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TWAI ISR Interrupt on RX (IDFGH-14074) #14888

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s54b32julian opened this issue Nov 14, 2024 · 2 comments
Open
3 tasks done

TWAI ISR Interrupt on RX (IDFGH-14074) #14888

s54b32julian opened this issue Nov 14, 2024 · 2 comments
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@s54b32julian
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Answers checklist.

  • I have read the documentation ESP-IDF Programming Guide and the issue is not addressed there.
  • I have updated my IDF branch (master or release) to the latest version and checked that the issue is present there.
  • I have searched the issue tracker for a similar issue and not found a similar issue.

General issue report

In Automotive CAN bus it's mandatory often to respond/react to a received message within a specific or strict time frame.
So the User should be able to interact with the interrupt if a TWAI message is received. I see in most external can controllers there is a HW interrupt available. I see this request/issue also from other users that want to use TWAI and change because of this to a external can controller with HW interrupt. But I'm tied to the internal TWAI of esp and have to use it.

I have read the documentation and try to find online a solution, but I couldn't solve this issue.
So how can the user/I interact with the ISR? Best would be a user friendly setup but I would also happy if there is a workaround how I can access/set up this?

@espressif-bot espressif-bot added the Status: Opened Issue is new label Nov 14, 2024
@github-actions github-actions bot changed the title TWAI ISR Interrupt on RX TWAI ISR Interrupt on RX (IDFGH-14074) Nov 14, 2024
@igrr
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igrr commented Nov 14, 2024

Linking the previous discussion: #9152 (comment)

@s54b32julian
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Linking the previous discussion: #9152 (comment)

Was not my comment/discussion, but thanks for linking the need is the same from this person in the linked comment.

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