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Events/2020/AVR: Difference between revisions
→Godbolt 1
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== Code Samples == | == Code Samples == | ||
#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() | |||
{ | |||
const int DIRECTION_MASK = 0b00001110; | const int DIRECTION_MASK = 0b00001110; | ||
uint8_t direction = 0b00001010; | uint8_t direction = 0b00001010; | ||
// https://github.com/gnea/grbl/blob/master/grbl/stepper.c#L324 | // https://github.com/gnea/grbl/blob/master/grbl/stepper.c#L324 | ||
DIRECTION_PORT = (DIRECTION_PORT & ~DIRECTION_MASK) | (direction & DIRECTION_MASK); | DIRECTION_PORT = (DIRECTION_PORT & ~DIRECTION_MASK) | (direction & DIRECTION_MASK); | ||
cli(); | |||
sei(); | |||
return 0; | return 0; | ||
} | |||