ESP32-S2 USB OTG - USB Hub support?

atoktoto
Posts: 1
Joined: Wed Jan 26, 2022 6:54 pm

ESP32-S2 USB OTG - USB Hub support?

Postby atoktoto » Wed Jan 26, 2022 7:03 pm

The documentation mentions that the current version of ESP-IDF supports only single device connected to the ESP32 host: https://docs.espressif.com/projects/esp ... imitations

Does a USB hub counts as a device? Will a single device thought a usb hub work?
ESP32 -> usb HUB -> HID device

Given that one day multiple devices will be supported I want to future-proof my hardware and put a usb hub on-board.

ESP_Sprite
Posts: 8921
Joined: Thu Nov 26, 2015 4:08 am

Re: ESP32-S2 USB OTG - USB Hub support?

Postby ESP_Sprite » Thu Jan 27, 2022 7:32 am

No. If you connect a hub to the S2 OTG port, the hub is the only thing that the S2 can talk to, not to any devices behind it.

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