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I have a very specific problem: I want to write my own DMX-Software to control our DMX-fixtures. Does anyone know a interface to use? It would be great if there would be any Framework for using it, so that I only have to sent the channel and the value to the interface.
There’s some really good information & code samples (including a working class that I wrote) here: Lighting USB OpenDMX FTD2XX DMXking
Ultimately, you end up setting byte values (between 0 and 255[FF] (brightest) in a byte array.
It’s fairly trivial to implement simple effects such as fades or chases.
You would need to use a USB controller to convert your program’s instructions to the actual hardware.
I suggest using a simple iphone application talking to a webservice which then interacts with the hardware.
Code samples above are in c# though will show you how to interact with a DMX controller