Fast read and write

Official Hardware Mega Due
1

Hallo,

I would like to read a signal on D1 and D2.
If D1 and D2 is High -> set D8 high and D9 low

digitalWrite and digitalRead are to slow

Are there faster options?

kind regards
Berga

2

Are there faster options?

Yes. You can read and write directly to the PIO peripheral registers. How fast do you need?
See also digitalWrite() is embarassingly slow on Due... · Issue #4030 · arduino/Arduino · GitHub