hid device info interface_number - part-cw/lambdanative GitHub Wiki
(hid-device-info->interface_number ptr)
Returns the interface number of the specified HID device enumeration.
| Parameter | Description |
|---|---|
| ptr | Enumeration pointer |
Example
> (define e (hid-enumerate 0 0))
> (hid-device-info->interface_number e)
-1