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
#include #ifndef cbi #define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit)) #endif #ifndef sbi ... . . .
Edit - fixed thread name and mangled text - BT, Moderator