268
edits
Changes
→Godbolt 1
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);
return 0;
}