usbd480-screen

name	usbd480-screen
description	Use when touching the USBD480 driver or debugging device communication.

USBD480 Screen Skill

Use when touching the USBD480 driver or debugging device communication.

Scope

• app/internal/hardware/usbd480_*

Rules

• Query device details rather than hardcoding dimensions.
• Treat the device as a composite USB device with a display interface and optional touchscreen HID.
• Keep control transfer recipient and setup packet details exact; protocol mismatches cause failures.
• Keep hardware protocol logic in the hardware layer.

Verify

• open and enumerate flow
• control transfer constants
• brightness and frame send sequence
• Windows WinUSB behavior