Re: capacity sensor to virtual midi
Re: capacity sensor to virtual midi
- Subject: Re: capacity sensor to virtual midi
- From: michael markert <email@hidden>
- Date: Wed, 9 Nov 2005 18:18:07 +0100
Hi Matthias,
I have some links for you:
1. PYMIDI: a framework I found quite useful (if you're going to use
COCOA):
http://pete.yandell.com/software/
It's a lot easier than dealing directly with the CoreMIDI-framework.
It's quite simple setting up virtual ports but I've no clue though
how to communicate with a serial device...
2. There is a MIDI-Xtra for Director.
It's called XMidi from Marc Coniglio (http://www.troikatronix.com)
It's a bit cheaper than MIDIio (http://www.audiomulch.com/midiio/),
which is not available for OSX (I think)
I worked with XMidi and SerialXtra to communicate with a serial
sensor device.
3. but maybe you don't need MIDI at all, because there might be a way
communicating directly with QuartzComposings via Quicktime (published
inputs?) – maybe that's a question for the QuartzComposer-List
I have no experiences in reading a serial device on osx (natively)...
I tried for sometime, but since I'm only working with MIDI-capable
devices now, there's no more need for that –
But I've been able to communicate with a serial device and convert
data to MIDI within director.
If you are interested in sharing resources/thougts you can contact me
off-list (I'm a musician using sensoric devices to make music and
studying arts);
;)
Best regards
Michael
Am 09.11.2005 um 17:35 schrieb Matthias Oostrik:
Hi there
I'm a visual artist and I'm working with quartz coposer a lot. A
couple of weeks ago, in a stroke of luck I got a experimental
sensor-interface from the technical university Delft in the
Netherlands. This capacity sensor is able to sense the position of my
naked hand in space (x,y,z) with a range of 100 steps in every
direction. It works with a rs232 interface, so I bought the keyspan
rs232 to usb converter and now I'm able to communicate with it using
macromedia director. I found out it works very stable and precize.
The only problem is I use quartz composer and other programs to create
my visuals and not Director. So i'd like to make a little program that
communicates with the sensor and converts it's data to a virtual
midi-port. I'm a newbie programmer and I believe it's possible to
create such a program using developer tools, but I got no clue where
to start. Because Midi is part of core audio I decided to pose this
question over here in the hope you could send me in the right
direction to start my programming journey.
In short: I need to find out how to communicate with the device using
developer tools and how to create a virtual midi port in order for my
programs to get the data.
with regards,
Matthias Oostrik
Amsterdam, the Netherlands
www.magdatt.nl
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