[openbeos-midi] Re: mpu401 module
- From: korli@xxxxxxxx
- To: openbeos-midi@xxxxxxxxxxxxx
- Date: Fri, 10 Jan 2003 11:07:44 +0100 (CET)
En réponse à Crain Greg <greg.crain@xxxxxxxxxxx>:
> >Do you ask Jerome Duval some help? AFAIR, he managed to get some MIDI
> support
> >in his emu10k driver project...
>
> He was having a similar problem with the midi freezing the computer. He
> thought it was an interrupt issue. I know he didn't have midi equipment
> to test it. I looked at some of his older code, and it is just like the
> Sonic Vibes. I will have to ask if he made any progress, or at least
> collaborate.
>
My freeze problem was in interrupt code. I had to disable output interrupts
when they were not handled by the module. I didn't test but this is the way the
alsa driver manages midi interrupts.
BTW the mpu module is not much work i think. It seems what it does is
activating UART mode and passing the midi data in and out.
Jerome
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