SE3 PSE Binome2023-7

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Fichier:SE3-pad.zip

Programmation AVR

Allumage de LEDS

Code 1

1. include<avr/io.h>
2. include<stdio.h>
3. 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;
}