Re: [libusb] Libusb version on Raspbian

[Ludovic R. <lud...@gm...>]

Le mar. 21 janv. 2020 à 21:53, Jaco <ja...@jd...> a écrit :
>
> Hi all.

Hello,

> I don't understand what is the difference between libusb-1.0  and libusb-dev

libusb-1.0-0 is Debian package for libusb 1.0 library
https://packages.debian.org/buster/libusb-1.0-0

libusb-dev is Debian package for libusb 0.1 (not 1.0) development files
https://packages.debian.org/buster/libusb-dev

> I have a program running using v1.0.22.11312 of libusb-dev on Raspbian Buster and it works fine
>
> I then moved to a Pi that is running Stretch and there the version that installed is
> v1.0.21.11156

Note that version v1.0.21.11156 is older than version v1.0.22.11312.

> The program does not work correctly using v1.0.21.11156. I keep on getting timeouts and corrupt data / half buffers with carriage returns where they should not be.
>
> So my question are?
>
>
>
> 1) Is it the version that is causeing my problems on Stretch?

Possibly.

> 2) How do I install the latest version on Strech (Arm)

Upgrade the system from Stretch to Buster?
Or backport the libusb package from Buster to Stretch.

> 3) what is the differerance between libusb 1 and libusb dev

See above.
libusb-dev is for the olf API version 0.1 not 1.0.

Bye

-- 
 Dr. Ludovic Rousseau