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=== Godbolt 1 === #define __AVR_ATmega328P__ #include "https://raw.githubusercontent.com/vancegroup-mirrors/avr-libc/master/avr-libc/include/stdlib.h" #include "https://raw.githubusercontent.com/vancegroup-mirrors/avr-libc/master/avr-libc/include/avr/io.h" #include "https://raw.githubusercontent.com/vancegroup-mirrors/avr-libc/master/avr-libc/include/avr/interrupt.h" #define DIRECTION_PORT DDRB int main() {
}
→Godbolt 1
== Code Samples ==
const int DIRECTION_MASK = 0b00001110;
uint8_t direction = 0b00001010;
// https://github.com/gnea/grbl/blob/master/grbl/stepper.c#L324
DIRECTION_PORT = (DIRECTION_PORT & ~DIRECTION_MASK) | (direction & DIRECTION_MASK);
cli();
sei();
return 0;
