Re: [linux-minidisc] scsi test tool using cdrtools/libscg

[Adrian Glaubitz <glaubitz@physik.fu-berlin.de>]

Hi,

On Mon, May 31, 2010 at 07:58:26AM +0200, Thomas Arp wrote:
> -------- Original-Nachricht --------
> 
> > > To built it you have to build and install cdrtools
> > > from the source first and then link to libschily
> > > and libscg.
> > > The needed libs/headers will be installed in /opt/schily
> > > by "make install" command in cdrtools root directory.
> > 
> > So, building it should be analogous to building the SCG version of
> > himdformat, right?
>  
> Yes.

Already committed to git/master with the appropriate compiling
instructions ;). I also converted your source code from DOS to Unix
linebreaks.

> > > I am in contact with Joerg Schilling (author of cdrtools)
> > > to fix problems when building windows version of cdrtools 
> > > on mingw/msys environment.
> > 
> > This sounds great. You should try to convince Joerg to integrate any
> > possibly necessary patches upstream into cdrecord to avoid a patch
> > avalanche ;).
> 
> Yes, this is what we want to do. Cdrtools should work on any
> platform without the need of patches.
> He told me he is working on version 3.0, but without a working
> mingw port because of too many incompatibillities. 
> But we are working on it and it could take a while.  
> His words (in german): "... dann können wir das auch gleich
> richtig machen":

Great, so you probably will receive credits from Joerg Schilling,
that's something to show off with :D.

> > On the other hand we still have the problem that apparently we cannot
> > send any SCSI commands to non-CD/DVD/BD drives on MacOS X. We will
> > need to patch cdrtools as well, so that it will also work with the
> > HiMD. When connecting a USB cdrom, the drive is detected by "cdrecord
> > -scanbus" so it's not an issue with the bus but rather with the drive
> > type.
> > 
> > Any ideas? Michael was already suggesting that it's a matter of
> > cdrecord using the SCSI driver from MacOS which provides access to the
> > optical drives only.
>  
> Can you check the source code? 
> 
> Take a look at libscg/scsi-mac-iokit.c on line 137ff.
> "LOCAL char *devnames[]"  seems to hold the Services which are
> used by libscg.
> You can try to append "IOSCSIPeripheralDeviceNub" and test
> if this works.

Wow, thanks alot. I will definetely look into that as soon as I find
time to. Either this afternoon or tomorrow.

> Else why not ask Joerg, he should know it.
> If you give him more information i am sure we can find a solution together. 

Sure ;). Who else if not him.


Adrian