module fsm_trecere(
    output reg p_rosu,      // red for pedestrians
    output reg p_verde,     // green for pedestrians
    output reg m_rosu,      // red for cars
    output reg m_galben,    // yellow for cars
    output reg m_verde,     // green for cars
    output reg [7:0] T,     // timeout count
    input done,             // timeout expired
    input clk);             // clock input

//TODO implementarea functionalitatii
reg [1:0] state = 2'b0;
reg [1:0] next_state;

always @(posedge clk) begin
    state <= next_state;
end

always @(*) begin

    p_rosu = 0;
    p_verde = 0;
    m_rosu = 0;
    m_verde = 0;
    m_galben = 0;
    m_verde = 0;

    case(state)

        0: begin
             p_rosu = 1;
              m_verde = 1;
              T = 8'd50;
              if (done == 1)
                    next_state = 1;
              else
                    next_state = 0;
              end
        1: begin
            p_rosu = 1;
            m_galben = 1;
            T = 8'd10;
            if (done == 1)
                next_state = 2;
            else
                next_state = 1;
            end
        2: begin
            m_rosu = 1;
            p_verde = 1;
            T=8'd30;
            if (done == 1)
                next_state = 0;
            else
                next_state = 2;
            end
        endcase
end

endmodule