Re: Midish "If" functions

Hi,

First of all, thank you for your fast response.

The SysEx message I need to send is F0 42 3g 7A 4E 00 02 F7, when a certain
MSB, LSB, PC combination is seen. How could I make this with a filter?

Regards!

2018-02-05 17:37 GMT+01:00 Alexandre Ratchov <alex@caoua.org>:

> On Mon, Feb 05, 2018 at 04:08:21PM +0100, Daniel Resino wrote:
> > Hi!
> >
> > I really appreciate if you could advise me if Midish can do what I need.
> >
> > I have a stage piano and a synth working together in live performances.
> I would
> > like to set up both instruments with only one touch. Stage piano only
> can be
> > programmed to send to the synth MSB, LSB and PC numbers, but the synth
> needs to
> > receive a certain SysEx message to switch between diferent modes.
> So, from the
> > stage piano, I can change synth´s sounds but not the mode.
> >
> > I was thinking on using a RaspberryPi with Pisound card to route ALL
> signals
> > from the piano to the synth and viceversa, but be able of sending a
> certain
> > SysEx message when a specific MSB message will appear at the input.
> >
> > I can send a package of MSB, LSB and PC messages from the Stage piano,
> but
> > Synth only responds to PC changing, so maybe I could use MSB or LSB to
> make
> > Midish send the SysEx that synth needs to change between modes (and of
> course
> > PC).
> >
> > In my mind, it implies the usage of "if" functions (or similar), but I
> cannot
> > find nothing familiar within the manual. Could you give me an advise?
> >
>
> Hi,
>
> Midish doesn't allow triggering interpreter code by MIDI events.
>
> However, if the sysex messages are short, you could define a custom
> event using the evpat function. Then, define a filter that for each
> incoming pc event generates a outgoing sysex.
>
> Could you show an example sysex event?
>
> > Is PiSound card compatible with this software running on Raspbian?
> >
>
> I don't know, but as the board is linux-centric I guess there's a
> Linux driver for it. If not, any standard USB-MIDI interface would
> probably work out of the box.
>