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We have worked with a company to design a custom board based on the Arduino Zero and have also had them do some programming for us.

In doing so, they have had to modify the following Arduino core libraries: variant.cpp, variant.h and wiring_analog.c.

Unfortunately, this causes problems with other projects using Arduino.

Is there a way to keep these libraries local to specific projects without modifying the original files?

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  • you want to use the Arduino SAMD core with your board? create a board package which references the SAMD core Commented Jun 27, 2019 at 12:36
  • I'm wondering why they didn't define a new board type and use conditional compiling in the first place so that you could just use the new/modified files for everything. Commented Jun 27, 2019 at 12:36
  • for a mass sold board create a boards package for Boards Manager installation. For a customized board or a small series put the files in the hardware folder arduino.stackexchange.com/questions/54484/… Commented Jun 27, 2019 at 12:43
  • @Juraj - Yes, we are using the Arduino SAMD core (Arduino Zero Native USB). I will check out the link you provided. Thank you. Commented Jun 27, 2019 at 12:49
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    @Juraj - I am not sure what changes were made. I have sent an email to the Software Engineer to inquire. I'll report back when I know. Commented Jun 27, 2019 at 13:47

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