my guess is that the heavy maths was moved out of the timer function
NFC:
``…`
Durandal,,*,*,0,0,0,0,0
Hitec-Airspeed,*,,,,,,,
KakuteH7-bdshot,,*,*,*,*,*,*,*
MatekF405,,*,*,*,*,*,*,*
Pixhawk1-1M-bdshot,,*,,0,0,0,0,0
f103-QiotekPeriph,*,,,,,,,
f303-Universal,*,,,,,,,
```