Clemens Ladisch <[EMAIL PROTECTED]> wrote: > > [EMAIL PROTECTED] wrote: > > Has anyone had succes in getting SysEx data flowing back and forth > > between Roland sound modules and their computer? > > Yes, SC-8820, over USB. > > > I have attached my > > simple test program in case I'm doing something obviously wrong. > > I see nothing obviously wrong. > > It might be time-saving to try the low-tech approach first: > do a "cat /dev/midi42 > somefile", then, on another console, run: > > echo -ne '\xf0\x41\x10\x16\x11\x04\x01\x76\x00\x01\x76\x0e\xf7' > /dev/midi42 >
I'll try this approach tonight. > > > > However, whenever I send a Request Data > > > >message the unit doesn't appear to respond. It definitely receives the > > > >message as the MIDI activity light comes on. But when I try to read from > > > >the MIDI device file my call blocks forever. > > My unit's light is active while the dump is being transmitted (several > seconds, depending on the size of the data). Are you sure your's is > sending anything? > The MIDI activity light flashes *very* briefly, so it could be that nothing's being sent back. > > I have tried using Linux, but gave up when I couldn't get ALSA or > > OSS to recognise my USB MIDI interface, (a Yamaha UX96). Under > > NetBSD it's recognised as soon as I plug it in. > > Any somewhat recent version of ALSA does support the UX96. > I tried RedHat 9.0 and the CCRMA stuff, but I guess I mustn't have setup the modules.conf file properly. I'm used to the monolithic kernel approach, and I found the whole modules.conf thing confusing. I assume I need an entry in there to load the USB MIDI interface driver - could you send me your modules.conf so I can see what sort of entries are required? Chris
