Arduino uses C++.  I guess it could be a .c file, though.

On Jul 17, 2012 12:14 PM, "hiro" <23hiro@gmail.com> wrote:
why does this have a .cpp file?

On 7/17/12, Eli Cohen <echoline@gmail.com> wrote:
> https://github.com/echoline/NinePea too (it needs work)
> On Jul 17, 2012 11:52 AM, "erik quanstrom" <quanstro@quanstro.net> wrote:
>
>> On Tue Jul 17 14:44:28 EDT 2012, a@9srv.net wrote:
>>
>> > > you don't want plan 9 on an 8 bit machine.
>> >
>> > Which, of course, doesn't say anything about wanting styx/9p
>> > on such a machine. Every time we get to this point in this
>> > (recurring) conversation, I'm compelled to make sure everyone
>> > has seen the excellent Styx on a Brick paper, describing work
>> > to export the sensors and motors connected to a Lego
>> > Mindstorm controller over styx.
>> >
>> >       http://inferno-os.googlecode.com/svn/trunk/doc/lego.pdf
>>
>> don't forget jeff's pic controllers.
>>
>> - erik
>>
>>
>