I have checked the archives and it seems like this is not an unknown bug.
Pete, can you please tell me the status of issue #2431?
http://lists.apple.com/archives/coreaudio-api/2004/Feb/msg00348.htmlhttp://lists.apple.com/archives/coreaudio-api/2004/Mar/msg00063.html
BTW: My controller messages at startup did not work.
Peter
Ursprungligt meddelande
> Dear list!
>
> I'm having trouble with my MIDISport 4x4 and sysex.
>
> I have just found out that if I send a dump request message from my app:
>
> - Kurt Revis MIDI Monitor says that 6 bytes has been sent to port A, and
> it's the complete request message.
>
> - MIDISPORT 4x4 is not receiving sysex (no red lamp is blinking) and my
> synthesizer is not responding.
>
> This happens only after my app is just started. If I send the same sysex
> request again, everything works and willl continue working. Until the next
> time I start my app.
>
> I made a change in my app so it now sends out some controller messages
> after startup, this seems to solve the problem (not 100% sure). So it
seems
> that the MIDISport driver is having trouble with some sysex status flag or
> something. Can this be a driver problem in the MIDISport 4x4? The driver
> version I'm using is 3.1 with latest OS X panther version.
>
> Peter
>
> _______________________________________________
> Do not post admin requests to the list. They will be ignored.
> Coreaudio-api mailing list (email@hidden)
> Help/Unsubscribe/Update your Subscription:
> http://lists.apple.com/mailman/options/coreaudio-api/email@hidden
>
> This email sent to email@hidden
>
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Coreaudio-api mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/coreaudio-api/email@hidden
This email sent to email@hidden
