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samd: timeout when connecting to samc21 #1663

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opened 2023年10月30日 16:50:38 +01:00 by koendv · 3 comments
koendv commented 2023年10月30日 16:50:38 +01:00 (Migrated from github.com)
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Attached the bmda output when connecting to an atsamc21.
blackmagic -tv 5 was run twice.
The first time there is a 2 second delay; the second time response is instantaneous.
log.txt

Attached the bmda output when connecting to an atsamc21. ```blackmagic -tv 5``` was run twice. The first time there is a 2 second delay; the second time response is instantaneous. [log.txt](https://github.com/blackmagic-debug/blackmagic/files/13207132/log.txt)

Interesting.. both succeeded, despite the warning about failing to halt the CPU.

Our bad though that we said -v 5 and should have asked for -v 29 so we get the full ADIv5 conversation - could you recapture the two traces at this higher verbosity level please?

Interesting.. both succeeded, despite the warning about failing to halt the CPU. Our bad though that we said `-v 5` and should have asked for `-v 29` so we get the full ADIv5 conversation - could you recapture the two traces at this higher verbosity level please?
koendv commented 2023年10月30日 18:21:33 +01:00 (Migrated from github.com)
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OK. blackmagic -tv 29, run twice. Log attached.
log2.txt

samd.c has some routines that look like workarounds for errata.. e.g. "Only required for SAM D20 Revision B Silicon". samc21 errata are here.

OK. ```blackmagic -tv 29```, run twice. Log attached. [log2.txt](https://github.com/blackmagic-debug/blackmagic/files/13207918/log2.txt) samd.c has some routines that look like workarounds for errata.. e.g. "Only required for SAM D20 _Revision B_ Silicon". samc21 errata are [here](https://ww1.microchip.com/downloads/en/DeviceDoc/80000740D.pdf).

Been experimenting with SAMC21 parts recently and having no problems at all - so we think this is solved. If it turns out not to be then please let us know on this issue or open a new issue. Closing as fixed.

Been experimenting with SAMC21 parts recently and having no problems at all - so we think this is solved. If it turns out not to be then please let us know on this issue or open a new issue. Closing as fixed.
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