void FSM_intersectie(int done,
                 int T,
                 int N_rosu,
                 int N_galben,
                 int N_verde,
                 int S_rosu,
                 int S_galben,
                 int S_verde,
                 int W_rosu,
                 int W_galben,
                 int W_verde,
                 int E_rosu,
                 int E_galben,
                 int E_verde) {

int state = 0;                  // FSM state: 0 - N/S_verde, 1 - N/S_galben, 2 - N/S_rosu, 3 - E/W_galben

while(1) {
    read_inputs();

    N_rosu = 0;
    N_galben = 0;
    N_verde = 0;
    S_rosu = 0;
    S_galben = 0;
    S_verde = 0;
    W_rosu = 0;
    W_galben = 0;
    W_verde = 0;
    E_rosu = 0;
    E_galben = 0;
    E_verde = 0;

    switch(state) {
        case 0:
            E_rosu = 1;
            W_rosu = 1;
            N_verde = 1;
            S_verde = 1;
            T = 50;
            if(done == 1)
                state = 1;
            else
                state = 0;
            break;

        case 1:
            N_galben = 1;
            S_galben = 1;
            E_rosu = 1;
            W_rosu = 1;
            T = 10;
            if(done == 1)
                state = 2;
            else
                state = 1;
            break;

        case 2:
            N_rosu = 1;
            S_rosu = 1;
            E_verde = 1;
            W_verde = 1;
            T = 30;
            if(done == 1)
                state = 3;
            else
                state = 2;
            break;
        case 3:
            N_rosu = 1;
            S_rosu = 1;
            E_galben = 1;
            W_galben = 1;
            T = 10;
            if(done == 1)
                state = 0;
            else
                state = 3;
            break;
    }
}