Search found 2 matches

by dimoesp
Sat Jun 16, 2018 11:40 am
Forum: Hardware
Topic: ESP32-PICO-D4 boot loop
Replies: 12
Views: 20044

Re: ESP32-PICO-D4 boot loop

It's already set to verbose but nothing gets printed so I'm just wondering how can this be.
The only thing that is different from other ESP chipsets is that SPIWP is set to 0xee. and configsip is not 0x00.
BootloaderVerbose.png
BootloaderVerbose.png (4.69 KiB) Viewed 15432 times

issue.png
issue.png (59.36 KiB) Viewed 15432 times
by dimoesp
Fri Jun 15, 2018 9:47 pm
Forum: Hardware
Topic: ESP32-PICO-D4 boot loop
Replies: 12
Views: 20044

ESP32-PICO-D4 boot loop

I have a custom board with the ESP32-PICO-D4 , I can program it but it gets stuck into a boot loop. I tried changing all the modes and changing the SPI bus speed. Still the same issue. The board is based on the PICO-D4 reference design. I have left out the pull-up on IO12 to enable 3V3 operation. I ...