4 ms·
Memory mapped IO is never cached as far as I know, so at least that's not a concern.
by kadoban 5y ago
Memory mapped IO is never cached as far as I know, so at least that's not a concern.
- AlotOfReading 5y agoYou'd still have to tell the compiler it's volatile if you were writing into the DMA buffer directly for some reason. GP just used the wrong words to say what they meant.