Search found 2 matches

by virpio
Sat Sep 21, 2024 11:22 pm
Forum: General Discussion
Topic: Flashing through USB, do I need reset and boot buttons?
Replies: 1
Views: 852

Flashing through USB, do I need reset and boot buttons?

I am trying to eliminate the UART interface on my PCB by connecting the USB port to the USB data pins on the ESP32 (C6 in this case, in case it matters). When I try this with a dev board I notice that I do not have to press the boot or reset pins to flash a new firmware. I would like to get some cla...
by virpio
Mon Aug 26, 2024 1:47 am
Forum: General Discussion
Topic: Library for passiv (BMC idle) USB-C power negotiation
Replies: 0
Views: 611

Library for passiv (BMC idle) USB-C power negotiation

Does anybody know of a library that handles the passiv / BMC idle part of the USB-C protocol? The BMC idle version requires observing the CC1 and CC2 pins for its voltage which is easily doable with the ESP32's ADC. As far as I can see in the spec, in case of a change you have up to 60ms to respond ...