FreeBSD hidraw backend to replace libusb backend #543

New issue

Open

opened 2023-05-11 03:39:18 -05:00 by mcuee · 3 comments

mcuee commented

2023-05-11 03:39:18 -05:00

(Migrated from github.com)

https://github.com/libusb/hidapi/issues/274#issuecomment-1543512022

It would be good we have a FreeBSD specific backend using hidraw for HIDAPI so that FreeBSD HIDAPI users no longer need to use the libusb backend.

Reference:
https://reviews.freebsd.org/D27992

This driver provides raw access to HID devices through uhid(4)-compatible interface and is based on pre-8.x uhid(4) code.

Unlike uhid(4) it does not take devices in to monopoly ownership and allows parallel access from other drivers.
hidraw supports Linux's hidraw-compatible interface as well.

* https://github.com/libusb/hidapi/issues/274#issuecomment-1543512022 It would be good we have a FreeBSD specific backend using hidraw for HIDAPI so that FreeBSD HIDAPI users no longer need to use the libusb backend. Reference: https://reviews.freebsd.org/D27992 > This driver provides raw access to HID devices through uhid(4)-compatible interface and is based on pre-8.x uhid(4) code. > > Unlike uhid(4) it does not take devices in to monopoly ownership and allows parallel access from other drivers. hidraw supports Linux's hidraw-compatible interface as well.

👍 1

mcuee commented

2023-05-11 04:29:28 -05:00

(Migrated from github.com)

From @wulf7

https://github.com/libusb/hidapi/issues/274#issuecomment-1543639126

I already added hidraw enumeration support to https://github.com/wulf7/libudev-devd/
So, most probably, addition of linux hidapi backend to build is only thing left.

From @wulf7 * https://github.com/libusb/hidapi/issues/274#issuecomment-1543639126 > I already added hidraw enumeration support to https://github.com/wulf7/libudev-devd/ > So, most probably, addition of linux hidapi backend to build is only thing left.

mcuee commented

2023-05-11 04:31:20 -05:00

(Migrated from github.com)

@wulf7

Please help to review the current hidraw backend for Linux and see what would be needed to change to make it working under FreeBSD hidraw. PR will be more than welcome.

https://github.com/libusb/hidapi/blob/master/linux/hid.c

@wulf7 Please help to review the current hidraw backend for Linux and see what would be needed to change to make it working under FreeBSD hidraw. PR will be more than welcome. * https://github.com/libusb/hidapi/blob/master/linux/hid.c

mcuee commented

2025-03-27 20:54:46 -05:00

(Migrated from github.com)