Re: [libusb] How to use USB SCSI Pass Through Interface in libusb?

[Tao W. <twa...@gm...>]

Thank you Nathan, I will have a look at libscg.

Best Regards,
Tao Wang

On 18 January 2016 at 01:54, Nathan Hjelm <hj...@me...> wrote:

> Take a look at libscg. It is a cross-platform SCSI library that supports
> OS X. It is used by cdrtools.
>
> -Nathan
>
> > On Jan 17, 2016, at 1:34 AM, Tao Wang <twa...@gm...> wrote:
> >
> > Hi, Alan Stern,
> >
> > Thanks for your reply. I checked sg3_utils project, OS X is not
> supported, which is the main reason why I'm looking for another
> cross-platform solution.
> >
> > If the libusb is not the way to go, I don't know what should I do next,
> other than writing a SCSI Pass-through kernel driver for OS X, which might
> be too much for me.
> >
> > Anyway, thanks for your help, I will keep looking.
> >
> > Best Regards,
> > Tao Wang
> >
> > On 17 January 2016 at 03:49, Alan Stern <st...@ro...>
> wrote:
> > On Sat, 16 Jan 2016, Tao Wang wrote:
> >
> > > Hi, everyone,
> > >
> > > I'm thinking about a cross platform solution to communicate with Pentax
> > > camera, which using USB (Mass Storage) SCSI Pass-Through Interface,
> with
> > > 'F0' vendor specific SCSI commands.
> >
> > SCSI Pass-Through has nothing to do with USB.  You can use it with any
> > SCSI device that supports it, USB or not.
> >
> > > The current solution is via '/sys/class/scsi_generic' with `ioctl(fd,
> > > SG_IO, xxx)`, but it's not a portable solution.
> >
> > Check out the sg3_utils package.  It has programs for both Linux and
> > Windows, maybe other operating systems as well.
> >
> > > I didn't find any example of how to use SPTI via libusb. Can anyone
> give me
> > > some help about how to do it? Thanks.
> >
> > There is no good way to do it using libusb.  Libusb simply isn't the
> > appropriate tool for this purpose.
> >
> > Alan Stern
> >
> >
> >
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