const int aff[] = {17, 16, 6, 7, 8, 9, 10};

unsigned char Lut_7seg[16][7] = {
    {1, 1, 1, 1, 1, 1, 0}, // Pour le chiffre 0
    {0, 1, 1, 0, 0, 0, 0}, // Pour le chiffre 1
    {1, 1, 0, 1, 1, 0, 1}, // Pour le chiffre 2
    {1, 1, 1, 1, 0, 0, 1},
    {0, 1, 1, 0, 0, 1, 1},
    {1, 0, 1, 1, 0, 1, 1},
    {1, 0, 1, 1, 1, 1, 1},
    {1, 1, 1, 0, 0, 0, 0},
    {1, 1, 1, 1, 1, 1, 1},
    {1, 1, 1, 1, 0, 1, 1},
    {1, 1, 1, 0, 1, 1, 1},
    {0, 0, 1, 1, 1, 1, 1},
    {1, 0, 0, 1, 1, 1, 0},
    {0, 1, 1, 1, 1, 0, 1},
    {1, 0, 0, 1, 1, 1, 1},
    {1, 0, 0, 0, 1, 1, 1}
};
const int SW0 = 21;
const int SW1 = 20;

void setup() {
    for (int i = 0; i < 7; i++) {
        pinMode(aff[i], OUTPUT);
        digitalWrite(aff[i], LOW);
    }
    pinMode(SW0, INPUT);
    pinMode(SW1, INPUT);
}

void loop() {
    int a;
    if (analogRead(SW0) == HIGH) { 
        a = 50000; 
    } else {
        a = 10000; 
    }
    if (digitalRead(SW1) == LOW) {
        for (int i = 0; i < 10; i++) {
            Affiche7seg(i);
            delay(a);
        }
    } else {
        for (int i = 10; i > 0; i--) {
            Affiche7seg(i);
            delay(a);
        }
    }
}

void Affiche7seg(int nbr) {
    for (int i = 0; i < 7; i++) {
        digitalWrite(aff[i], Lut_7seg[nbr][i]);
    }
}