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Original question:

AWR1642: One questions about Warm reset

AWR1642: Question about warm-reset feature that use external watch dog ?

Kris Lin
Intellectual 810 points
Part Number: AWR1642

Hi,

I have used the ext. WDT to implement warm-reset.

As far as I know, the warm-reset would be triggered if MSS, DSS or BSS fails.

My question is that if DSS or BSS is crashed, will a warm-reset be triggered?

Thanks.

  • 0
    TI__Guru 69990 points

    Hello Kris,

    Warm reset can be triggered via internal WDT expire and with the specific code also MSS can trigger the warm reset to the device.

    BSS sends CPU/ESM fault async-event to MSS over mailbox based on which MSS application can trigger the warm reset or let WDT expired.

    Same way you can implement for DSS crash as well where if DSS can send a specific crash message over mailbox to MSS to notify about the fault. Or if DSS doesn't send periodic object result within specific interval then MSS can trigger the warm reset/ or let WDT expired.

    Regards,

    Jitendra