Matlab asks me to install Arduino package at every session (Linux)
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Every time I start Matlab and try to use the Arduino package I get the following message:
>> a = arduino('/dev/ttyUSB0', 'Uno')
You need the MATLAB Arduino support package before you can use this feature. Open Support Package Installer to install support for additional MATLAB hardware.
I install it and everything goes fine, no errors. If I restart Matlab and try to use the Arduino package again I get the above message again. Is there anyway to keep the Arduino package installed?
I'm on Ubuntu 14.04 64 bit and Matlab R2015b.
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Sudhanshu Bhatt
le 7 Jan 2016
Hi Joan,
I understand that every time MATLAB is restarted the Audrino Support package gets removed.
Some of the possible reasons this behavior could happen:
1) If the support package folders are being installed in a temporary folder.
2) If you are executing the RESTOREDEFAULTPATH command this could remove the support packages from the MATLAB Path.
To fix this issue, you can try the following solutions:
1) You can try installing the support package in another folder.
2) Also, after installing the support package you can check the installation directory to see if the files are present.
Hope this helps.
Thanks
Sudhanshu Bhatt
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Walter Roberson
le 7 Jan 2016
Installation of the support packages also changes something in prefdir
Note: for some of the versions before R2015b, some MS Windows users find that they need to Run as Administrator in order to install support packages permanently. I think I read that it was fixed, but I am not certain. This has to do with whether the support package is to be installed for the one user or for everyone on the machine, which is a tension that exists on Linux as well -- installing only for the user does not require writing to protected directories but installing for everyone does require writing to protected directories.
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