USB Host Shield Mouse Passthrough Sketch Generator

Generates a sketch for USB Host Shield mouse passthrough with mouse input injection. Configured for Lunar V2, but can be used for other projects.

Paste one captured HID report line per action below. The tool infers button byte, bit masks, dx/dy/wheel offsets and generates a ready-to-flash sketch. Inputs accepted as hex or decimal (e.g. 00 01 FF 00 00 01 or 0x00,0x01,0xFF).

1) Samples (one report per field)

Neutral (no input)

Left Click (press)

Right Click (press)

Scroll Click / Middle (press)

X1 / Back Button (press)

X2 / Forward Button (press)

Scroll Up

Scroll Down

Move Left

Move Right

Move Up

Move Down

Advanced / Manual Overrides (use if inference fails or you want to force values)

Report uses ReportID? (offset base is +1)

Buttons Byte Offset (relative to base offset)

dx Offset (relative)

dy Offset (relative)

wheel Offset (relative)

Button Masks (L,R,M,X1,X2 — hex)

2) Inferred Mapping

Run “Infer Mapping” to see results…

USB Host Shield Mouse Passthrough Sketch Generator

1) Samples (one report per field)

2) Inferred Mapping

3) Generated Sketch