SE3 PSE Binome2023-7
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Programmation AVR
Allumage de LEDS
Code 1
#include<avr/io.h> #include<stdio.h> #include<stdlib.h> void config(unsigned int bit, unsigned char port, unsigned int io) { if (io == 1) { if (port == 'B') DDRB |= (io<<bit); if (port == 'C') DDRC |= (io<<bit); if (port == 'D') DDRD |= (io<<bit); } else if (io == 0) { if (port == 'B') DDRB &= ~(1<<bit); if (port == 'C') DDRC &= ~(1<<bit); if (port == 'D') DDRD &= ~(1<<bit); } } void put_bit(unsigned int bit, unsigned char port, unsigned int io) { if (io == 1) { if (port == 'B') PORTB |= (io<<bit); if (port == 'C') PORTC |= (io<<bit); if (port == 'D') PORTD |= (io<<bit); } else if (io == 0) { if (port == 'B') PORTB &= ~(1<<bit); if (port == 'C') PORTC &= ~(1<<bit); if (port == 'D') PORTD &= ~(1<<bit); } } int get_bit(unsigned int bit, unsigned char port) { if (port == 'B') return 1 & (PINB>>bit); if (port == 'C') return 1 & (PINC>>bit); if (port == 'D') return 1 & (PIND>>bit); return -1; } int main(void) { //Setup config(2,'C',1); config(4,'C',1); put_bit(2,'C',1); put_bit(4,'C',1); while (1); return 0; }