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by WiFive
Thu Oct 15, 2020 10:18 pm
Forum: General Discussion
Topic: ESP32 Receive RSSI Issue
Replies: 2
Views: 333

Re: ESP32 Receive RSSI Issue

Notice on real devkitc there is clear space around antenna
by WiFive
Fri Oct 09, 2020 10:34 pm
Forum: General Discussion
Topic: Unable to sign with different Secure Boot and Flash Encryption keys !
Replies: 4
Views: 581

Re: Unable to sign with different Secure Boot and Flash Encryption keys !

If you are manually encrypting the bootloader then you have to flash it to 0x1000 and also create the secure boot digest and flash it to 0x0.
by WiFive
Wed Oct 07, 2020 12:22 am
Forum: ESP-IDF
Topic: Flash Encyption and Secure Boot through OTA
Replies: 2
Views: 264

Re: Flash Encyption and Secure Boot through OTA

Not supported, risk of bricking devices, but technically possible. There are other posts in the forum about updating the partition table and bootloader via ota which would be required.
by WiFive
Mon Sep 28, 2020 8:24 pm
Forum: Hardware
Topic: MCPWM understanding
Replies: 2
Views: 549

Re: MCPWM understanding

Apb clock is basically fixed to 80mhz. In the example the prescaler is set to 0 so each tick is 12.5ns.
by WiFive
Sat Sep 26, 2020 4:38 pm
Forum: ESP-IDF
Topic: ESP32 reboots, SPI flash issues and console baudrates...
Replies: 4
Views: 566

Re: ESP32 reboots, SPI flash issues and console baudrates...

It thinks the 2nd stage bootloader is 4mb so it takes too long to try and load it causing a wdt reset. This could be a bit error in flash read which when considering the baud rate issue may be due to unstable xtal clock or bad register value. If a hard reset fixes it then it implies something corrup...
by WiFive
Thu Sep 24, 2020 2:08 am
Forum: General Discussion
Topic: Issue after enabling secure boot and flash encryption togeather [IDFGH-3857]
Replies: 14
Views: 2308

Re: Issue after enabling secure boot and flash encryption togeather [IDFGH-3857]

You also have to burn and save a copy of the efuse secure boot key if you want to reflash signed and encrypted bootloader.
by WiFive
Mon Sep 21, 2020 8:25 pm
Forum: ESP-IDF
Topic: connecting internal GPIOs to create a pipe
Replies: 4
Views: 642

Re: connecting internal GPIOs to create a pipe

Yes reconfigure mux
by WiFive
Mon Sep 21, 2020 8:22 pm
Forum: General Discussion
Topic: GPIO34-39 pullup workaround?
Replies: 3
Views: 401

Re: GPIO34-39 pullup workaround?

No workaround for 34-39

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