Today Manush Dodunekov wrote: >On Thu, 1 Nov 2001, stef wrote: > >> [EMAIL PROTECTED] wrote: >> >> > I have an emagic AMT 8 midi patch bay. (Similar to Unitor 8). >> >> I have this one, too. Works great with our apple macintosh. >> >> > 1) Is anyone working on a driver for this? >> >> Don't know. But it would be great. >> >> > 2) If not, is there a FAQ on how to approach a manufacturer for >> > documentation on their hardware for purposes of developing a >> > driver for them for free? (I should have to beg?) >> >> Emagic HQ is about 20 kilometers away from our studio at >> Hamburg, Germany. Maybe i should visit them. >> >> > 3) This is a USB to MIDI device. Is there any support in ALSA for >> > USB, or do we roll our own support? >> >> If you manage to get the protocol documentation, it should be no >> problem to use the USB lowlevel kernel drivers. The alsa driver >> would be in fact a usb device driver, which gets loaded by the >> kernel when you plug in the amt8. >> >> As far as i know the AMT8/Unitor devices use hardware timestamping >> at the inputs and hardware queuing for the outputs. >> But usually this is alsa's job. So don't know if it's possible >> to use these hardware features together with alsa. > >Take a look at > > http://www.math.tu-berlin.de/~sbartels/unitor/ > >You'll also find the complete unitor/amt8 documentation there (in german). > >I'm too very interested in a working amt8 driver, serial or USB doesn't >matter to me - as long as it works. > >It would be very interesting to see ALSA implementing device-specific >hardware queuing for multiport MIDI devices - lot's of the "professional" >ones have it nowadays. With different top-secret protocols of course.
something that may also prove helpful is this USB MIDI driver that was recently mentioned on linux-audio-dev: http://member.nifty.ne.jp/Breeze/softwares/unix/usbmidi-e.html tim _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
