Service_USB 33 - USB host controller driver Hub status change
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Service_USB 33 - USB host controller driver Hub status change

Service_USB 33 - USB host controller driver Hub status change — Broadcast by an USB host controller driver to inform other applications about events inside USB host controller driver Hubs.

On Entry

R033 (reason code)
R1&80C00 (USB Service call)

On Exit

R0preserved
R1preserved to pass on (do not claim)
R2, R3, R4preserved

Use

Warning

Do not use.

Service is not implemented. Use USB messaging system for this functionality.

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Service_USB 32 - HUB state changed Home Appendix C. Commands