Making Controller LED lighting up according to nber of Tracks

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Hi everyone,

Thanks for having me.

I recently bought a 2nd hand Novation Zero SL MKII.

The associated “Automap” software doesn’t seem to work anymore, or at least, not on my computer, so I bought CSS to make my own remote script.

I watched most of the tutorial series, and I managed to make some basics navigation script, navigating through tracks, selected track’s devices, and so on
So far so good.

I’d like to take it much further and to really make my controller react to Ableton and vice versa, I assume that’s what “reaction” is ?

My idea would be to light up as much as LED on my controller as there are tracks on my session and delete a track would turn off the corresponding LED.
And also to have the name of the tracks written on the Display of my Controller.

I know it’s a lot but I can learn and I’m very persistent.

Thanks a lot !

Glenn Verhaeghe Answered question February 26, 2025
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Regarding changing the text on the LCD display, you can use the “Send Raw MIDI” Action of a Reaction to send SysEx messages (= an older, more versatile form of MIDI messages) to your controller. You can use the official Programmer’s Guide for the SL MKII to figure out how the messages are constructed. The part about the LCD display starts around page 20.

This spreadsheet might help you with constructing Reactions. The red tabs contain all the different options related to Reactions (Listeners, Loops, Conditions, Actions). You can use the search or column filter features of Google Spreadsheets to find what you’re looking for.

I might help you figure things out in the future, if still necessary, but currently I’m focusing on other stuff. Feel free to post about your progress and what you’ve tried; I like to read posts and comments on the forum from time to time.

Glenn Verhaeghe Answered question February 26, 2025
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That’s great, thanks for the ressources !

I’ll keep searching and posting anyway, I got things I’d like to try meanwhile.

Paul Régnier Answered question February 26, 2025
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Allright, I’m reading the document you linked to me “Programmer’s Guide for the SL MKII” –

It’s to understand which Midi Data are used by the Automap Protocol regarding the Novation Controllers, meaning the device should be in Automap Mode in order to used the Midi Datas that are shown in the document ?

I have the feeling I should get that right before continuing, otherwise I might keep using the wrong Midi Data.

In the meantime, I will test stuff with my Novation Launchap, which seems to be more straightforward, then I’m sure I’ll be able to convert the scripts once I figure out this Automap stuff.

Thanks a lot

PS : Do you think contacting Novation directly can be of help ?

Paul Régnier Edited answer February 26, 2025
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I don’t own the device, so I can’t give a reasonable answer. You could always try to send a Raw MIDI message to the controller and see if it does something. Automap might just be one way of sending SysEx to the controller while other software could do the same? (I’m guessing here)

Contacting Novation might be a good start. Others might’ve documented their experiences on other forums, seeing as this is a legacy product. Here’s a thread on automap templates, don’t know if it will help but sometimes threads like these can contain a clue of where to look next.

Glenn Verhaeghe Answered question February 26, 2025