The following reply was made to PR usb/149283; it has been noted by GNATS.

From: Marcin Cieslak <sa...@saper.info>
To: Joerg Wunsch <joerg_wun...@uriah.heep.sax.de>
Cc: freebsd-gnats-sub...@freebsd.org, freebsd-usb@freebsd.org
Subject: Re: usb/149283: avrdude unable to talk to Arduino board (via
 uftdi)
Date: Wed, 4 Aug 2010 20:21:32 +0000

 On Wed, 4 Aug 2010, Joerg Wunsch wrote:
 
 > As Marcin Cieslak wrote:
 >
 >> Checked with the same hardware (dual-boot) and Microsoft
 >> Vista (with arduino-0018 IDE) and the board can be
 >> contacted and programmed without any problems.
 >
 > Your check on Windows has been using a stock AVRDUDE (e.g., a WinAVR
 > compilation), too?  Or another tool?
 
 On Windows I have used arduino Java IDE. Arduino IDE distribution
 actually includes a whole WinAVR stack including avrdude.exe,
 but I didn't pay attention what is actually used.
 I will reboot to Windows now and check the commandline invocation.
 
 On FreeBSD arduino the Java IDE tries to use avrdude and fails the same
 was as from commandline.
 
 > IIRC, the Arduino bootloader requires some special tricks in order to
 > talk to it.  I think AVRDUDE v5.10 still lacks that feature.  Could
 > you try the SVN version of AVRDUDE?
 
 AVRDUDE is mentioned for example here 
http://www.arduino.cc/playground/FreeBSD/CLI
 as the tool to use.
 
 I have tried "-c arduino" or "-c stk500v1" with trunk and I get still
 the same affect as with 5.10 (Programmer timeout).
 
 What maybe important: TX/RX LED on the board don't react at all
 when trying to use avrdude (there is only a single blink
 on firmware LED - which means bootloader start).
 
 With Windows - TX/RX indicated clearly some activity.
 
 > (I don't see a GNATS ID in the subject.  Has this been actually filed
 > via send-pr?)
 
 Hm, yes, sorry... You were copied on the original send-pr.
 
 --Marcin
 
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