Hello, very thank you
I've never used RTC in T4 before, and not used in my project, what extra hardward/software or library setup is needed?
Do you have an example such as blink working with minimal hardware, or using systick like snooze used...
I have no idea how ARM C7 works or why 😂😂 ,
Just accidentally found the solution somewhere in another DMA library.
So glad I can keep my DMASPI as it is much faster.
My code probably would work fine in my previous 3.6 and LC hardward, just...
referring to "https://forum.pjrc.com/index.php?threads/bug-in-arm_dcache_delete.68100/"
not sure what bug but removing "DMAMEM" in "DMAMEM byte address[DMASIZE];"
fixes the problem.... and makes the LED updates
will report later if all else works