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Author Topic: Starting on my own control surface...  (Read 17321 times)

admin

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Re: Starting on my own control surface...
« Reply #30 on: October 18, 2015, 04:33:10 PM »

Richard: I totally agree on the T112 control surface.  Most all the higher end A&H stuff really has good channel strip support.  At least for me personally, I would want:

1. Lots of faders with a scribble strip, mutes, solos, and selects.
2. Possibly separate box with channel strip controls.

Note that we sorta-kinda have #2 now by using the BCR.

Decent faders, and that nice screen above it would make for a great bcr replacement!

Bob
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admin

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Re: Starting on my own control surface...
« Reply #31 on: October 18, 2015, 05:07:04 PM »

One more comment: you certainly could make the control surface be a GUI.  That would take a bit of coding, but certainly doable.  Another option would be to make a DLL that hooks into the AMP GUI.

Bob
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kruntz

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Re: Starting on my own control surface...
« Reply #32 on: October 21, 2015, 10:32:44 AM »

The EQ section will have its own 480x320 (half VGA) color display.

Randy,
would you mind to elaborate about the Teensy <-> VGA interface?

Thanks in advance.
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rhyde

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Re: Starting on my own control surface...
« Reply #33 on: November 03, 2015, 07:36:55 PM »

It isn't a VGA display (it's half-VGA insofar as the resolution is 320x480; full-VGA is 640x480).

The Teensy talks directly to the LCD controller chip over a 16-bit interface. I hacked the UTFT (universal TFT display; you can probably Google it if you're interested in the source code) library to speed up performance (better than doubled the speed on all actions, though at the expense of more than tripling the size of the library code (no big deal, the Teensy has 256K available).
Cheers,
Randy Hyde
« Last Edit: November 03, 2015, 07:39:44 PM by rhyde »
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kruntz

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Re: Starting on my own control surface...
« Reply #34 on: November 04, 2015, 11:44:34 AM »

The Teensy talks directly to the LCD controller chip over a 16-bit interface.

Thanks a lot.
I'm going to try a different approach: more (smaller) displays and SPI.

Cheers.
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rhyde

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Re: Starting on my own control surface...
« Reply #35 on: November 04, 2015, 05:10:34 PM »

The Teensy talks directly to the LCD controller chip over a 16-bit interface.

Thanks a lot.
I'm going to try a different approach: more (smaller) displays and SPI.

Cheers.

SPI is a good choice for 320x240 displays (quarter VGA).
Note that the Teensy 3.2 is a great board for controlling video via SPI bus as the Teensy's SPI implementation kicks butt.  Somewhere out there on the net there is a website where some guy talks about how he got real high performance out of a Teensy driving video via SPI.  I would've gone that route if I could have lived with the smaller displays (or found an SPI-based 320x480 display that was reasonably cheap).
Cheers,
Randy Hyde
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admin

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Re: Starting on my own control surface...
« Reply #36 on: November 05, 2015, 10:05:24 AM »

Hey Randy,

So how are you coming?  Any more pics or videos?

I know your approach is modular - how is the fader interface coming?

Bob
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rhyde

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Re: Starting on my own control surface...
« Reply #37 on: November 12, 2015, 12:31:39 PM »

Hey Randy,

So how are you coming?  Any more pics or videos?

I know your approach is modular - how is the fader interface coming?

Bob
I am currently wiring up the fader controller boards (in the middle of wiring up resistors to all the LED/pushbuttons on the board.

Currently in crisis mode at work, so the project will likely pause for a while. Also, I start my big show of the year in a week and a half, so who knows if I'll have any more time for this project until January.
Cheers,
Randy Hyde
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fdew

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Re: Starting on my own control surface...
« Reply #38 on: July 11, 2016, 09:33:31 PM »

Are you accepting orders yet?

Frank
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