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by WiFive
Thu Nov 28, 2019 1:43 am
Forum: ESP32 IDF
Topic: SHA-256 for running partition all zero?
Replies: 12
Views: 1000

Re: SHA-256 for running partition all zero?

Thanks for the analysis and all the details. It does look like this was broken in master during the process of adding ESP32-S2 support . Will fix ASAP. Should the freshly calculated hash be returned when available instead of always returning the recorded hash? Either way it should be done from insi...
by WiFive
Tue Nov 26, 2019 11:23 pm
Forum: Hardware
Topic: External RAM failed memory test
Replies: 3
Views: 365

Re: External RAM failed memory test

Which wrover? idf version? sdkconfig?
by WiFive
Tue Nov 26, 2019 11:10 pm
Forum: ESP32 IDF
Topic: SHA-256 for running partition all zero?
Replies: 12
Views: 1000

Re: SHA-256 for running partition all zero?

Your analysis looks correct, neither verify_secure_boot_signature nor verify_simple_hash sets the metadata hash.
by WiFive
Tue Nov 26, 2019 3:34 am
Forum: Hardware
Topic: reflow process and soldering issues with esp32 pico d4
Replies: 1
Views: 161

Re: reflow process and soldering issues with esp32 pico d4

Too much paste on center pad?
by WiFive
Mon Nov 25, 2019 2:59 am
Forum: General Discussion
Topic: External Flash(s25fl127s) SPI Interface with wroom ESP32
Replies: 5
Views: 506

Re: External Flash(s25fl127s) SPI Interface with wroom ESP32

You can either use the external flash on a different spi bus or use it on the same bus by disabling the internal flash chip. There are some posts about it.
by WiFive
Sun Nov 24, 2019 11:53 pm
Forum: Hardware
Topic: What happens when RMT receive overflows?
Replies: 3
Views: 580

Re: What happens when RMT receive overflows?

Yes it should have been designed for continuous receive with threshold just like tx, not sure if they fixed this in S2 design. However you can assign more memory blocks to a channel if you are not using them all.

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