VS Arduino - Arduino Debug with Atmel Ice Visual Micro & VS

Jun 16^th, 2026 at 8:10am (UTC)

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Arduino Debug with Atmel Ice Visual Micro & VS (Read 2488 times)

Greybeard Junior Member Offline Posts: 24 Joined: Jul 22^nd, 2020	Arduino Debug with Atmel Ice Visual Micro & VS Jul 22^nd, 2020 at 2:19pm	Print Post
	I am trying to use ATMEL ICE as a hardware debugger under VS2017. Attached are screen shots of the vMicro->Debugger, vMicro->Debugger, the Main toolbar and the error message I get when I click Debug->Start Debugging. The compiler output is also attached. I am testing with the basic digital example "BlinkyWithoutDelay.ino" as imported using vMicro explorer. I know the code downloads the target Arduino Due board because I can change the delay time and observe the change on the board. The problem is I can't start the debugger. I get the same error when I use Debug->Attach To Process. Suggestions??

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Simon@Visual Micro Administrator Offline Posts: 2926 Joined: Feb 13^th, 2019	Re: Arduino Debug with Atmel Ice Visual Micro & VS Reply #1 - Jul 22^nd, 2020 at 2:29pm	Print Post
	It may be worth following the Hardware Debugging Troubleshooter through, as this will direct you to the next layer of logs in the build folder, and other potential issues. There is also a video to accompany this troubleshooter to assist. If you can ensure the Upload > Verbose is enabled, and send over the below it will help us identify the problem more easily: 1) Output from the Output > Micro Build window 2) Output from the Output > Debug 3) The OpenOCD Log from the build folder


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Greybeard Junior Member Offline Posts: 24 Joined: Jul 22^nd, 2020	Re: Arduino Debug with Atmel Ice Visual Micro & VS Reply #2 - Jul 22^nd, 2020 at 4:07pm	Print Post
	I didn't know there was a log The log, as you will see, says it can't connect to a port. Don't know how to change that or even if it can be changed.

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Simon@Visual Micro Administrator Offline Posts: 2926 Joined: Feb 13^th, 2019	Re: Arduino Debug with Atmel Ice Visual Micro & VS Reply #3 - Jul 22^nd, 2020 at 5:13pm	Print Post
	Brilliant thanks. The error about the port means something else is already bound to the port on your machine, most likely an orphaned copy of OpenOCD.exe (or anything else bound to port 6666). If you kill that off in task manager, and try re-attaching the debugger it should work.... If you need the port to be changed (as use 6666 for something else) we can check the options available for that.


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Greybeard Junior Member Offline Posts: 24 Joined: Jul 22^nd, 2020	Re: Arduino Debug with Atmel Ice Visual Micro & VS Reply #4 - Jul 22^nd, 2020 at 6:56pm	Print Post
	Found the errant user of 6666 and eradicated it. I notice differences between the serial debugger and hardware debugger when using conditionals & actions. Any docs for setting up breakpoints??


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Simon@Visual Micro Administrator Offline Posts: 2926 Joined: Feb 13^th, 2019	Re: Arduino Debug with Atmel Ice Visual Micro & VS Reply #5 - Jul 23^rd, 2020 at 9:18am	Print Post
	There are a number of documents reachable from the index, under the Serial Debugging section, and further information in the following GDB Debugging section:- Documentation Index There are also a couple of videos which are useful here: Serial Debugging: Conditional Debugging for Arduino Projects GDB: Fix Common GDB Slowdown Problem On Arduino


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