File content as of revision 22:5b2a7d7c73fa:

#include "codeurRotatifRelatif.h"
#include <mbed.h>

int CdRelatif(void){
    DigitalIn pinClick(PG_2); 
    DigitalIn pinRot1(PG_3);
    DigitalIn pinRot2(PG_9);
    int actA; //def des variables
    int actB;
    int actOldA=0;
    int actOldB=0;
    while(!pinClick.read()){ //on attent un résultat
        actB=!pinRot1.read(); //On lit ce qui se passe aux bornes du codeur
        actA=!pinRot2.read();
        if(actA && actB){ //un truc se passe
            int r = 1 - 2 * actOldA; //dans un sens on a 1, dans l'autre on a -1
            return r;
        }
        actOldA=actA || actOldA;
        actOldB=actB || actOldB;
    }
    return 0;
}

void cRR_test(void){
    LCD_DISCO_F429ZI lcdTemp;
    lcdTemp.Clear(LCD_COLOR_BLUE);
    for(ever){
        lcdTemp.Clear(LCD_COLOR_BLUE);
        int val=CdRelatif();
        BS_displayChiffre(50,50,val,4,LCD_COLOR_WHITE);
        wait(1);
    }
    /*int a=0;
    for(ever){
        lcdTemp.Clear(LCD_COLOR_BLUE);
        int val=CdRelatif();
        if(val){
            a=a+val;
        }else{
            BS_displayChiffre100Clean(50,50,a,4,LCD_COLOR_WHITE,LCD_COLOR_BLUE);
            BS_displayChiffreClean(150,150,val,4,LCD_COLOR_WHITE,LCD_COLOR_BLUE);
            wait(1);
        }
    }*/
}