timeout while uploading sketch to APM2

Hi everybody,

I am trying to upload the ArduCopter 2.7.1 to my APM but the Arduino gives me errors:
avrdude: stk500_2_ReceiveMessage(): timeout
avrdude: stk500_2_ReceiveMessage(): timeout
avrdude: stk500_2_ReceiveMessage(): timeout
avrdude: stk500_2_ReceiveMessage(): timeout

I have the 250 board and I tried it with the relax patch the latest arduino version. Nothing works. I uploaded a code 2 weeks ago and it worked fine, but now it doesn't. Why?

Do you have any suggestions?

I am getting crazy with this issue...

Thanks!

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Permalink Reply by Andre S on August 2, 2012 at 2:40am

Hi,

had similar problems with a different Arduino board some months back. Google the error message and you'll find that there is a large number of causes and potential fixes. The way I got it finally solved was (I have no clue why this worked) with a different (actually older arduino version), after which uploading again worked with the newer one. Sorry, can't give an explanation and yeah it sounds odd.

Good luck,

Andre

Permalink Reply by Michael Naumov on August 2, 2012 at 3:15am

Andre, flyer,

Here is the solution:
Solved in arduino-1.0.1 to use   arduino\hardware\tools\avr\bin\avrdude.exe and arduino\hardware\tools\avr\etc\avrdude.conf  files from arduino-0022-relaxpatch. That works for me.

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