Ego Sys, Miditerminal 4140 Driver

[list@phasorlab.de (Matthias König)]

Hello alsa-devel,

I own a Miditerminal 4140 by ESI, which is a 4 In 4 Out Midi interface
with SMPTE timecode generation for the parallel port. Since I want
this device to work under Linux, I've been working on a driver for
ALSA.
It seems that I have some success now. At least I can receive and
transmit Midi bytes on all 4 In/Out ports. Maybe someone with more
experience in driver development could take a look at the driver?
A preliminary version is available from 
www.phasorlab.de/alsa/mts64.tar.bz2
Any comments and critics would be highly appreciated.

There is still some work to do, the SMPTE timecode generation will
need some kind of control for start/stop of timecode generation and
setting the time (timecode generation is done by hardware). I'm not
yet sure how to do this; can this be done by ALSA control elements
or do I have to create a hwdep device, which would use ioctl?
Again, suggestions would be welcome.

Regards,
Matthias


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