Search found 4 matches

by suraj02
Thu Jan 18, 2024 10:48 am
Forum: ESP-IDF
Topic: error in esp serial flasher: Cannot connect to target. Error: 2
Replies: 3
Views: 1342

Re: error in esp serial flasher: Cannot connect to target. Error: 2

@ESP_Sprite Thanks for your reply.
Can you tell me what are the possible solutions for this?

And this problem is with uart can i do this with SPI?
I also tried by giving 5v supply to slave ESP32 instead of USB data cable. But this not works.
by suraj02
Thu Jan 18, 2024 5:10 am
Forum: ESP-IDF
Topic: error in esp serial flasher: Cannot connect to target. Error: 2
Replies: 3
Views: 1342

error in esp serial flasher: Cannot connect to target. Error: 2

I am trying to flashing this example :https://github.com/espressif/esp-serial-flasher/tree/master/examples/esp32_example but getting same error after many trials. Error: Cannot connect to target. Error: 2 Hardware used: slave: ESP32 WROOM 32E master:ESP32 WROOM 32E SOLUTIONS TRIED I tried with diffe...
by suraj02
Wed Jan 10, 2024 6:46 am
Forum: ESP-IDF
Topic: OTA firmware update in second stage bootloader with custom bootloader
Replies: 2
Views: 36106

OTA firmware update in second stage bootloader with custom bootloader

Hi there, I would like to write custom bootloader code to perform an OTA firmware upgrade over wifi in the second bootloader step. My code to initialize wifi during the bootloader stage was unsuccessful due to several issues. The cause for my error was found here: https://esp32.com/viewtopic.php?t=2...