[PD] Another arduino weirdness

Martin Peach martin.peach at sympatico.ca
Fri Jun 17 19:06:25 CEST 2011

On 2011-06-17 12:04, Matteo Sisti Sette wrote:
> On 06/17/2011 05:29 PM, Martin Peach wrote:
>>> Ohhhhhhhh, it may be relevant (though I don't directly see how) that
>>> when I test on Windows I do it through a virtual machine (on a linux
>>> host which is the one on which i test it in Linux).
>> Yes I think that is relevant. I just tried it on WinXP and at least that
>> part works properly.
>> (arduino duemilanove / firmata2.2 / Pduino-0.5beta8)
> Well I've tried again with a _real_ windows (I mean no virtual machine),
> and the following happens:
> - with a Dumelilanove, the arduino resets every time I open the
> connection from Pd ("open" message to [arduino])
> - with a UNO, it doesn't.
> I guess the difference is due to the difference in drivers rather than
> in hardware, as in Linux both boards behave the same way (they both
> reset when you open the connection).

 From the arduino hardware description http://arduino.cc/en/Main/Boards:
"[The Uno] is similar to the Duemilanove, but has a different 
USB-to-serial chip the ATMega8U2"
"The '8U2 firmware uses the standard USB COM drivers, and no external 
driver is needed. However, on Windows, a .inf file is required."

I don't have a Uno so I can't test it.


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