[chbot] MIDI over USB for nanoKONTROL2 control surface

[Paul Davey]

Hi Mark,

I do not believe MIDI has any messages that could be used for such
purposes, at least none that are standard, you would have to find out if
your particular device has any system exclusive messages for interrogating
the controls.

Paul


On Mon, Apr 1, 2013 at 2:39 PM, Mark Atherton <markaren1 at xtra.co.nz> wrote:

> Hi All,
>
> Hopefully someone here can save me some work digging around for a solution
> to this question:
>
> I am building a small wireless interface for a KORG nanoKONTROL2
> MIDI-over-USB control surface. The system is based on a Microchip dsPIC
> device with USB host port, so far so good; everything works as expected in
> terms of controlling LEDs on the control surface, and reading back sliders,
> knobs etc. as Control Change messages.
>
> As an example, after moving a slider, a message is received like 0x0B,
> 0xB0, 0x02, 0x78 -- Cable 0, Control Change, Address 2, Data 0x78, etc.
>
> I need to be able to read the whole control surface at power up, so for
> example I need to know how to interrogate slider 2, to find it's current
> position without moving it.
>
> Any ideas how I go about doing this will be appreciated, or a more
> appropriate forum.
>
> Thanks,
>
> Mark
>
>
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