[C.CC USERS] Arduino problem - sync error

Christian Jacobsen cljacobsen at gmail.com
Sun Oct 10 11:39:00 BST 2010

Hi Donald,

The arduino uno uses a new USB/serial interface which means that a few changes are required to upload code to it. I am in the process of making those changes and building a new distribution. 

Since it is now apparent that somebody other than myself needs to use our stuff with the arduino uno I will try to expedite that process!

I will try to get it done by later today and will reply when it is done. 


On 10 Oct 2010, at 11:03, Donald Simmonds <don at don-simmonds.co.uk> wrote:

> Using Windows 7 32bit
> Concurrency latest Windows version 20100721.0637 (dev)
> Java Version 6 Update 21
> Arduino Uno
> The very first test was to simply blink an LED. It didn't work and so I changed the LED connections from source to sink (which is more natural for me) That didn't work either.
> I set the editor blank com port dropdown to COM10 (without colon) the USB serial port provided by the Arduino when plugged in, compiled and uploaded. (I would have expected the list to have shown some ports for selection.)
> The Arduino Tx Rx LEDs flickered indicating transmission. The LEDs went off an then back on permanently.
> I also out of interest tried COM9 and it flashed the Tx Rx LEDs also??
> I could not find anywhere to alter the baud rate to test that.
> I then noticed that the message I got from the plugin on upload was...
>   avrdude.exe: stk500_getsync(): not in sync: resp 0xa0
>   avrdude.exe done. Thank you.
> Not having used avrdude (consciously) I am now unaware as to whether that means the transmission got screwed or not and what to do about it if it did.
> The normal communication to Arduino has been working fine under the normal Arduino IDE.
> Can anybody please assist?
> Thanks
> Donald
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