Re: Accurate GPIO Clock

2020-03-13 Thread Martin Braun
Your hardware might have some hardware timers and programmable interrupts. Otherwise, what Jean-Michel said... Time to bring out the FPGAs! M On Sun, 1 Mar 2020, 05:10 jean-michel.fri...@femto-st.fr, < jean-michel.fri...@femto-st.fr> wrote: > welcome to the field of real time operating systems.

Re: Accurate GPIO Clock

2020-03-01 Thread jean-michel.fri...@femto-st.fr
welcome to the field of real time operating systems. There are a few thousand pages about the latencies introduced by the scheduler in non-real time OS, the first google hit being https://www.veterobot.org/2012/04/precise-pwms-with-gpio-using-xenomai.html A few microseconds is not too bad actuall