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  VS Arduino › › › Can't upload to DUE native USB port
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Normal Topic Can't upload to DUE native USB port (Read 7146 times)
Dave Leddon
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Can't upload to DUE native USB port
Jun 16th, 2014 at 3:37am
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I thought I would attempt to use the second USB port on the DUE for uploading and debugging, saving the programming port for another purpose.  The code uploads just fine on the programming port but when I switch to the other port I get this rather ambiguous error message:
Couldn’t find Leonardo on the selected port. Check that you have the correct port selected.  If it is correct, try pressing the board's reset button after initiating the upload.
  
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Marius
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Re: Can't upload to DUE native USB port
Reply #1 - Jun 16th, 2014 at 6:46am
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I think that the other port is meant to be a devices port. Things  like keyboard or mouse or whatever is on the list of what the port can cater for. The programming port is programmed to provide the due identity and I would think that you are best off to stay with the programming through that port. I might be wrong but I did not think that you could program the device through the system port. The boot loader is configured to run on the programming port only.
  
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Tim@Visual Micro
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Re: Can't upload to DUE native USB port
Reply #2 - Jun 16th, 2014 at 2:02pm
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Did you see that there are two entries in the boards list for the Arduino Due? 

You have to use the correct one for the port you are using.
  
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Dave Leddon
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Re: Can't upload to DUE native USB port
Reply #3 - Jun 16th, 2014 at 2:05pm
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Now I'm confused.  I can upload to the DUE native port using the Arduino Ide and it is an option on your board list so one assumes that this should work.
  
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Tim@Visual Micro
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Re: Can't upload to DUE native USB port
Reply #4 - Jun 16th, 2014 at 4:37pm
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Hi,

The entire build and upload process is defined by the arduino config files that Visual Micro reads and uses. There is no possibility for us to do anything different than what is defined.

So I am confused too  Smiley
  
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Marius
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Re: Can't upload to DUE native USB port
Reply #5 - Jun 16th, 2014 at 6:26pm
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Guys
The Arduino documentation says that it can be done with some special conditions to be met but they recommend that you use the programming port. That is what it is intended for. Programming the unit via the system port is not trivial and they warn against corrupted flash that could occur.
  
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Tim@Visual Micro
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Re: Can't upload to DUE native USB port
Reply #6 - Jun 16th, 2014 at 6:33pm
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I just found that the debugger fails with the native port because is uses a different Serial object in the Arduino code.

You will need to switch the debugger off "tools>options>visual micro>automatic debugging" if you have it enabled.

Sorry, fix in next release. 

Thanks Marius for the warning, it makes sense for users to not use the native port if they can help it
  
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Tim@Visual Micro
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Re: Can't upload to DUE native USB port
Reply #7 - Jun 17th, 2014 at 12:31am
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v1406.16 is here https://visualmicro.codeplex.com/releases/view/106554
  
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