I am reading this tutorial and I think the file name is missing from first line if someone please let me know what it is.
In the first line below, the filename is missing
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
#ifndef sbi ...
Edit - fixed thread name and mangled text - BT, Moderator
What does the compiler complain about if you try to compile without the
Looking at the original source, the only possibility I can think of, and bear in mind I am not an Arduino expert, is
and that’s only because I see “sleep” mentioned.
Let me know if that works, and I’ll get the page corrected. I’m guessing that in moving from the old forum format, the “<” character caused a problem that went unnoticed.