SE3 PSE Binome2023-7

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Photo de la Schématique

Fichier:SE3-pad 2.zip

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;
}

Code 2

#include <stdio.h>
#include <stdint.h>
#include <avr/io.h>
#define OUTPUT 0
#define INPUT 1
#define INPUT_PULLUP 2
#define HIGH 1
#define LOW 0
#define PIN_BUTTON1 1
#define PIN_LED1 0 void pinModed(uint8_t pin,uint8_t mode,uint8_t portchoix) {
volatile char *ddr;
if(portchoix == 'B') ddr = &DDRB;
if(portchoix == 'C') ddr = &DDRC;
if(portchoix == 'D') ddr = &DDRD;
volatile char *port;
if(portchoix == 'B') port = &PORTB;
if(portchoix == 'C') port = &PORTC;
if(portchoix == 'D') port = &PORTD; if(mode==OUTPUT) {
*ddr |= (1<<pin);
}
else if(mode==INPUT)
{
*ddr &= ~(1<<pin);
}
else if(mode==INPUT_PULLUP)
{
*ddr &= ~(1<<pin);
*port |= ~(1<<pin);
}
} void digitalWrited(uint8_t pin ,uint8_t valeur ,uint8_t portchoix ) {
volatile char *port;
if(portchoix == 'B') port = &PORTB;
if(portchoix == 'C') port = &PORTC;
if(portchoix == 'D') port = &PORTD; if(valeur == HIGH) {
*port |= (1<<pin);
}
else
{
*port &= ~(1<<pin);
}
} int digitalread(uint8_t pin, uint8_t portchoix) {
volatile char *pinbcd;
if(portchoix == 'B') pinbcd = &PINB;
if(portchoix == 'C') pinbcd = &PINC;
if(portchoix == 'D') pinbcd = &PIND; return *pinbcd & (1<<pin) ? HIGH : LOW ; }
int main(){
pinModed(PC2,OUTPUT,'C');
pinModed(PC4,OUTPUT,'C');
digitalWrited(PC2,HIGH,'C');
digitalWrited(PC4,HIGH,'C');
while(1){}
}

git

https://archives.plil.fr/ktouron/S6_TPI