USB Host: integrate class API [1: types] #94504
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added 5 commits
August 13, 2025 15:13
Make the struct name match the device naming for ease of use, although slightly longer name. Propagate the change to the subsystem, includes, tests and samples. Signed-off-by: Josuah Demangeon <josuah.demangeon@nordicsemi.no>
Allocate extra room at the end of the USB descriptor buffer to ensure that the device ends with `desc->bLength == 0`. For now, validating `desc->bLength` from the device to ensure no access past the buffer is still not done. Signed-off-by: Josuah Demangeon <josuah.demangeon@nordicsemi.no>
Add a "struct usbh_status" that contains a bitmask of flags to keep track of the global state of the host context, like done for the device_next implementation. Add helpers to check the status. Signed-off-by: Josuah Demangeon <josuah.demangeon@nordicsemi.no>
Hide the mutex lock details inside a wrapper call, like done for the device stack API. This is not used for the per-device lock of the host stack which use a different mutex lock. Signed-off-by: Josuah Demangeon <josuah.demangeon@nordicsemi.no>
Update the USB shell sample to the new syntax. This is based on tests done with native_sim, along with the virtual.conf, virtual.overlay and device_and_host_prj.conf extra config files. Signed-off-by: Josuah Demangeon <josuah.demangeon@nordicsemi.no>
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Downstream:
This is a very small, incremental change to help downstream pull requests use a shared base.
I was thinking of doing several such small pull requests with just a few commits, to progressively integrate the code of other pull requests:
Here is how I tested it:
Then in another terminal, connect to the console, such as using
picocom /dev/pts/0.