USB between esp32 slave and the MCU (AEGHB-814)

[maaamcube]

Answers checklist.

• I have read the documentation ESP-IDF Programming Guide and the issue is not addressed there.
• I have updated my IDF branch (master or release) to the latest version and checked that the issue is present there.
• I have searched the issue tracker for a similar issue and not found a similar issue.

General issue report

Hello everyone,
I want to know in the example usb_wireless_bridge, can i use a usb between the esp32 slave and the MCU like between PC and esp32 host?
Thanks.

[lijunru-hub]

The slave connection to the esp32 can only be made through the uart serial port, the USB connection is not supported.

[maaamcube]

@lijunru-hub so what is the solution to connect my stm32 usb device to send through wifi ?

[lijunru-hub]

use UART

[maaamcube]

@lijunru-hub for the moment, i want to use USB, so i think i have to look for another solution.

[lijunru-hub]

It is also possible to connect via USB. You will need to use the usb_host_cdc_acm library. However, you will need to port the relevant code yourself by modifying the UART host program into a USB host program.

https://components.espressif.com/components/espressif/usb_host_cdc_acm/versions/2.0.6