Yes, the DTR line triggers the reset. In the UNO schematic the pin on the (r3) 16u2 is labeled CTS. Could this be the reason?
Cheers, Torsten Am 14.01.2012 um 20:44 schrieb Robert Epprecht: > Erich Waelde <ew.fo...@nassur.net> writes: >> On 01/14/2012 08:12 AM, Robert Epprecht wrote: >>>>> One key difference between the duemilanove and the uno is its >>>>> connection from serial (controller) to the USB plug of the board. >>> >>>> So it seems to me, connecting to the uno will cause it to reset. >>>> Strange concept. >>> >>> As far as I know all arduinos do that on linux and maybe osx. >>> If it does not show up under some conditions (like a given >>> arduino model) i think it might be a timing hazard. >> >> No, this feature has been introduced at some point as >> "Automatic (Software) Reset" it seems. It is definitely absent on >> duemilanove boards. > > Maybe I'm confusing something, but my duemilanove board running an > arduino sketch *does* restart the sketch when connecting to it > through serial (just double tested). So I had the impression that > this was a reset. > > Robert > > ------------------------------------------------------------------------------ > RSA(R) Conference 2012 > Mar 27 - Feb 2 > Save $400 by Jan. 27 > Register now! > http://p.sf.net/sfu/rsa-sfdev2dev2 > _______________________________________________ > Amforth-devel mailing list for http://amforth.sf.net/ > Amforth-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/amforth-devel ------------------------------------------------------------------------------ RSA(R) Conference 2012 Mar 27 - Feb 2 Save $400 by Jan. 27 Register now! http://p.sf.net/sfu/rsa-sfdev2dev2 _______________________________________________ Amforth-devel mailing list for http://amforth.sf.net/ Amforth-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/amforth-devel
