[openbeos] AW: Re: Haiku and MidiOxygen44

  • From: "Thomas Mansfeld" <tmansfeld@xxxxxx>
  • To: <openbeos@xxxxxxxxxxxxx>
  • Date: Thu, 12 Jun 2008 23:06:04 +0200

Thanks for your answer Michael

>> The only problem I have is distorted sound out of the AC 97 sound 
>> chip. The
>> R5 driver from BeBits works ok under BeOS R5.
>
>I suppose Jerome would be the one you should ask about that. It would 
>probably be easiest to file a bug report at http://dev.haiku-os.org/ as 
>I think he is intending to hunt down invalid register access anyway.

I will do this.

>> I also wanted to see if I can get my MidiOxygen44 running. I tried 
>> the R5
>> driver with no success.
>
>What kind of driver is that? Most BeOS drivers should work under Haiku, 
>but without more details it is difficult to assist here.

This driver is the "mo" file in the BeOS R5 distribution I think.
I copied it and made the symlink like in BeOS. But it was not working.

>> It goes to KDL at boot time  when the usb_rawgw driver is installed.

>I saw the application listing on BeBits states that it uses a modified 
>version of the original usb_raw driver. If this is indeed the case and 
>the developer did not remove the undocumented hacks to read USB device 
>names (prominently marked with "WARNING -- this structure is used to 
>expose private data belonging to the USB Bus Manager. DO NOT MODIFY 
>CONTENTS.  This is a BAD HACK and will go away.") I see no real chance 
>of this not crashing. While the USB API has stayed the same, so that 
>USB drivers written for the R5 (v2) or even Dano (v3) USB stack will 
>work, the inner workings of the bus_manager, including those private 
>fields, have obviously changed. Sadly I see that there are no sources 
>available to check that or adapt it to Haiku, so this is likely not 
>going to work under Haiku, or under R5 using the Haiku USB stack.

>> Does anybody know if the R5 will work or a completely new driver has 
>> to be
>> written?

>If that usb_rawgw driver is necessary for that and the sources aren't 
>available I am afraid that a new driver would have to be written. If 
>the sources are or become available, it should be pretty easy to adapt 
>them for Haiku and get it working.

Maybe I can contact the developer and he could provide the sources or the
usb specs of the MidiOxygen44?


Regards

Thomas



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  • » [openbeos] AW: Re: Haiku and MidiOxygen44