SERCOM + yield() ? about arduinocore-samd

[spiderkeys]

@malachib We ran into several issues where the I2C interface can lock up, so I redesigned the I2C part of the SERCOM.h/cpp files and the Wire library. After more testing and refinement, I planned to open an issue+PR. In the mean time, you can look at my changes and try them out for yourself:

https://github.com/OpenROV/openrov-arduino-cores/tree/dev/samd

[malachib]

Nice! Will do. I'm playing with this nifty lib https://github.com/mikaelpatel/Arduino-Scheduler and suddenly people who play nice and yield are very desirable =)

[jakorten]

I will test both ideas. Having some problems in my SAMD21 based system with freeze-ups, so using a scheduler and solutions to reinit would be very desirable.

B.t.w. correct links are now:
https://github.com/OpenROV/openrov-arduino-cores/tree/dev/hardware/openrov/samd
https://github.com/mikaelpatel/Arduino-Scheduler