This is my first Cleanflight PR that adds a new feature, so please feel free to comment and let me know if I did anything wrong. I have included a unit test, let me know if I should expand it. Thanks.
I have tested this on my OSD board, in combination with my SP Racing F3 Evo running Betaflight 3.1 (today's master) - https://www.youtube.com/watch?v=jtsUIIeRwjQ
If everything checks out, I will try to add other OSD elements as well in separate PRs, if that's OK.
OSD - Add the averageSystemLoadPercent OSD element. Includes a unit t…
@SandroGrzicic looks good.
Thank you, please let me know if you have any comments regarding the PR. I plan to add more OSD elements.