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Thread: MacOS 10.15 Catalina

  1. #1
    Senior Member PaulStoffregen's Avatar
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    MacOS 10.15 Catalina

    Is anyone using MacOS 10.15 Catalina yet?

    Looks like Apple has finally disallowed the method we've been using to modify a copy of Arduino. We may soon have to provide a complete copy of the IDE for Mac users.

    If you have Catalina & Teensy, please reply here or just subscribe to this thread. I'm going to need feedback from anyone with Catalina as I work on solving these problems.

  2. #2
    Senior Member+ Theremingenieur's Avatar
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    I have it running here (Catalina and Arduino 1.8.10 and Teensyduino 1.48) . Install was some days ago. I remember that there was an additional hurdle, but I got over it. Don’t remember details, so will uninstall everything and start over with documentation. Stay tuned.

  3. #3
    Senior Member+ Theremingenieur's Avatar
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    OK, re-did everything. The struggle is twice in a similar way, once for Arduino, and once for Teensyduino.
    After unpacking the downloaded Arduino.zip and moving the App into the Applications folder, you make a first attempt to start Arduino which seems to fail already:
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    Click "Show in Finder" and then right-click the Arduino app:
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    In the now open context menu CONTROL+Click "Open" (!important!), then you see a different dialog:
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    The middle button "Open" allows you to launch Arduino. This is a one time action. From now on, Arduino can be started in the usual way.

    For the now following Teensyduino installation, see next post.
    Last edited by Theremingenieur; Today at 02:30 PM.

  4. #4
    Senior Member+ Theremingenieur's Avatar
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    Open the freshly downloaded Teensyduino.dmg with a double click:
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    It seems that it can't be installed. But it can. Click "OK". Make a right click on it:
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    Again, as before with Arduino, in the now open context menu CONTROL+Click "Open" (!important!), then you see a different dialog:
    Click image for larger version. 

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    Now, still as before with Arduino, click the middle "Open" button to start the installation, which then goes without struggle and hassle:
    Click image for larger version. 

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    Start Arduino again and enjoy the integrated Teensyduino:
    Click image for larger version. 

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  5. #5
    Senior Member+ Theremingenieur's Avatar
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    That workaround (right click the app, control+click "open") at the first launch does actually apply to almost all apps which aren't distributed through the Apple app store. It's the same with other popular non-app store apps like Gimp, Inkscape, Eclipse, and so on.
    Bundling Teensyduino with the Arduino app will reduce the number of extra clicks (and would considerably shorten my tutorial above), but would not solve any problem at its roots. The logical steps were that Arduino deploys its IDE through the App store, first, and then in a second step, that Teensyduino would also be deployed there.

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