Search found 5 matches

by norwegian
Thu Dec 01, 2022 7:30 pm
Forum: Hardware
Topic: ESP32-S3 DFU/Programming
Replies: 14
Views: 4716

Re: ESP32-S3 DFU/Programming

This problem is now resolved!
Turns out the tvs diodes on the usb data lines was the problem! After removing them everything works like a charm ;)
Thanks for all the help !
by norwegian
Mon Nov 28, 2022 3:33 pm
Forum: Hardware
Topic: ESP32-S3 DFU/Programming
Replies: 14
Views: 4716

Re: ESP32-S3 DFU/Programming

Hello,
I have not made any progress here.. unfortunately i dont have any Logic Analyzer to investigate the USB problems...

The device is still not recognized, i have tried several usb cables..
I have also attemted to disconnect the cable shielding of the usb cable.
esp.PNG
esp.PNG (1.33 MiB) Viewed 1329 times
by norwegian
Mon Nov 21, 2022 11:51 am
Forum: Hardware
Topic: ESP32-S3 DFU/Programming
Replies: 14
Views: 4716

Re: ESP32-S3 DFU/Programming

When i connect to linux, i only see the messages that i posted earlier, the device wont recognize. do you have any knowledge about needing pullup resistors on the usb data lines for the host computer to recognize it?
by norwegian
Sun Nov 20, 2022 7:31 pm
Forum: Hardware
Topic: ESP32-S3 DFU/Programming
Replies: 14
Views: 4716

Re: ESP32-S3 DFU/Programming

When not in download mode i get: invalid header: 0xa5ff005a While in download mode i get ESP-ROM:esp32s3-20210327 Build:Mar 27 2021 rst:0x1 (POWERON),boot:0x1 (DOWNLOAD(USB/UART0)) waiting for download Still nothing happening on the USB port... when i try to connect to it. I dont have any way to deb...
by norwegian
Mon Nov 14, 2022 9:30 pm
Forum: Hardware
Topic: ESP32-S3 DFU/Programming
Replies: 14
Views: 4716

ESP32-S3 DFU/Programming

Hello ! I'm having some difficulties trying to get the ESP32-S3-WROOM-1-N16R2 to connect to usb, on a custom made board I have read the following guide: https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/api-guides/dfu.html# When i connect the esp via usb cable the device just connects an...