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Thread: Trigger DMA on ECAT PDI event

  1. #1
    Beginner Beginner marcus is on a distinguished road
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    Trigger DMA on ECAT PDI event

    Hello,

    I would like to trigger a DMA on an ECAT PDI event.
    SYNC_0 seems to be an available source to trigger a DMA.
    but I could not find a way to do the same for a PDI event.

    Did I miss something, or does the XMC4800 not support this?

  2. #2
    Beginner Beginner marcus is on a distinguished road
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    Surprisingly it seems like neither ECAT PDI nor ECAT SYNC_0 are capable of triggering a DMA...
    Last edited by marcus; Apr 12th, 2018 at 08:08 AM.

  3. #3

    Infineon Employee
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    jferreira will become famous soon enough
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    Hi,

    ECAT_SYNCx can be used as a trigger for the DMA channel if routed first through a CCU4x or CCU8x input multiplexer (ECAT_SYNCx->ERUx->CCU[48]x->DMA).
    Otherwise you can trigger the DMA by software in the application code APPL_Application() function.

    Regards,
    Jesus
    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

  4. #4
    Beginner Beginner marcus is on a distinguished road
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    Seems like I was not creative enough to figure this out...

    Thanks for sharing this information!

  5. #5
    Beginner Beginner marcus is on a distinguished road
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    Just in case I overlooked something:
    Is there any way to trigger a DMA for the ECAT PDI-Interrputs (AL Event Request) similar to this SYNC0 solution ?

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