jsanchez-2g opened a new pull request, #19951:
URL: https://github.com/apache/nuttx/pull/19951
## Summary
Add USB device support and test configurations for the
STMicro Nucleo-G0B1RE board.
This change:
- Adds the board USB pull-up and suspend hooks.
- Selects HSI48 as the USB peripheral clock.
- Adds automatic CDC/ACM registration during board bring-up.
- Adds a `usb-clocks` configuration for validating the USB clock,
interrupt, driver, and board-hook dependencies.
- Adds a `usb-cdc` configuration providing a CDC/ACM serial device
that enumerates automatically at boot.
- Documents the USB configurations and required board connections.
The prerequisite STM32G0 USB device-controller support is already
available in Apache NuttX master.
## Testing
Tested both configurations on current Apache NuttX master:
- `nucleo-g0b1re:usb-clocks`
- GNU build passed.
- Apache NuttX CI container Clang build passed.
- Generated `savedefconfig` matched the checked-in defconfig.
- `nucleo-g0b1re:usb-cdc`
- GNU build passed.
- Apache NuttX CI container Clang build passed.
- Generated `savedefconfig` matched the checked-in defconfig.
Additional validation:
- NuttX `checkpatch.sh` passed.
- Codespell, encoding, and whitespace checks passed.
- The image built, loaded, and executed successfully on a
Nucleo-G0B1RE.
- NSH operated correctly over the ST-Link UART.
- The CDC/ACM device enumerated automatically on the host at boot.
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