Hacking AirClick USB for Windows/PC

(updated below)

In the aftermath of changing to my new Cherry MX switched keyboard I have found myself missing the handy media buttons on the old membrane keyboard.

So I had a little google about (using google) and found the Griffin Technology AirClick USB. A handy little Human Interface Device, it has five buttons and a number of plugins that allow you to control various applications. Primarily I was interested in Winamp control, playing, pausing and changing tracks. I had a deeper look into it and one of the available plugins in Sean Wilson’s new version 2 software is a winamp plugin. Cool, so I bought one.

Works great. Until I went to change volume that is, it’s just too slow for my purposes.

In the release notes there is the following addition to the latest version mentioned:

Easier creation of additional Plugins using any .Net supporting language

Well fantastic, I can do that, perhaps I can write my own winamp plugin. Plenty of searching around their site later and there’s no help or info on doing any such thing. I emailed support and got back a plugin that used sendkeys to just send configurable keys to Windows. Not a lot of use if you happen to be typing at the time!

I found the developer of the Mac software and his blog. He’s posted ways to hack the Mac version, no go for PC though.

I then noticed that the .acp plugin files in AirClick’s plugin folder were just renamed .net 2.0 IL dlls so I emailed support again asking if there was any supporting source code for writing your own plugins.

While I was waiting for a response I had a quick fiddle with Lutz Roeder’s Reflector and Denis Bauer’s FileDisassembler plugin and generated a C# project from the winamp.acp plugin. It compiled with no trouble, so I renamed the .dll to .acp, dropped it in the pugins folder, restarted AirClick and everything worked. Fantastic. Now I can get on with hacking it.

A little bit of coding later and I’ve now got a volume control that smoothly accelerates from small changes to larger the longer you hold down a button.

Then the reply came back from support:

Unfortunately we do not have source code for the AirClick. This is info that doesn’t leave the doors of research and development.

Oh dear, really, well I’m screwed then.

*GRINS*

So top marks to Mr.Wilson and his code, but the usual non-technical nounce of the average support department proves to be a barrier yet again. Great product on the other hand.

Updated Information

I decided it was worth trying to contact Griffin again, so I penned a very similar email to the last one. This time I got a direct response from Sean Wilson, the creator of the PC AirClick software.

I have not written a formal SDK or Visual Studio template for writing

AirClick plugins yet, but I do have a txt file I wrote up real quick

to send to people who are interested in writing their own. I will

attach it with this email.  – Sean Wilson

Great stuff! So here’s a copy of that file for all you plugin makers.

Making Plugins

And here’s my modified Winamp plugin.

55 thoughts on “Hacking AirClick USB for Windows/PC”

  1. Hey, my fav program is media player classic, do you know how can i make a plug in for that?
    or how can i get it?
    Thanks a lot !!

  2. can anyone help me to make works AirClick under Win7 64x? Griffins soft seems to be unusable. i try Intelliremote but 4 some reasons it’s not usable.

  3. I want to set up a little project to develop a driver for the Griffing Airclick. I will sell it between 3 and 5$ depending on the interest. I would like to know if enough people would be interested in buying it if I develop it ? please send me an email.
    Thanks
    Claude

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