From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: MTP-AV problems (Re: intel8x0 sequencer & MTP-AV) Date: Thu, 13 Feb 2003 16:17:18 +0100 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: <1044258789.30428.61.camel@littlewolf2.littlewolf> <1044273602.2013.6.camel@littlewolf2.littlewolf> <002c01c2d371$47e5e890$161b14ac@boromir> Mime-Version: 1.0 (generated by SEMI 1.14.4 - "Hosorogi") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <002c01c2d371$47e5e890$161b14ac@boromir> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Martijn Sipkema Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org At Thu, 13 Feb 2003 16:05:00 +0100, Martijn Sipkema wrote: > > > recently a technical information about emagic unitor8 was revealed, > > I suppose this doesn't mention AMT? Can I have this information. It > might contain more than what I already have. the info appeared in another thread (running-status bug on mtpav): http://www.math.tu-berlin.de/~sbartels/unitor/unitor8_doc.txt the project itself seems dead now... > > and it includes a small desription about MTP, too. > > there, the initialization sysex is mentionted, so perhaps this may > > influence on the behavior of the device. (also, the smpte sysex is > > described!) > > I think both devices act as a single MIDI device where the 0xf5 message > that is undefined in the MIDI spec is used for cable selection. Thus the > running status is for the MIDI stream and not per cable. I don't think > these devices use running status on transmitting (to the host at least) > themselves. yes, this bug was discussed in another thread. > > > before i start coding, i would like to ask you summarize the existing > > problems of mtpav driver (which most likely i forgot :) > > > > i hope this time the bugs can be fixed, or at least improved... > > Is it possible to open files from the kernel? I'd suggest having support > for devices like the Unitor in user-space to be able to support them on > any serial port if this is not the case. generally i agree that a user-space driver would be flexible for serial devices. but there is already a working mtpav driver and if only a small amount of changes would be needed, why not? the support of usb would be a different thing... Takashi ------------------------------------------------------- This SF.NET email is sponsored by: FREE SSL Guide from Thawte are you planning your Web Server Security? Click here to get a FREE Thawte SSL guide and find the answers to all your SSL security issues. http://ads.sourceforge.net/cgi-bin/redirect.pl?thaw0026en