SSB: PROCESS(clk_1khz, rst_state)
    variable counter : integer := 0;
    begin
        if(rst_state = '1') then
            counter := 0;
            ssb_state <= 0;
        elsif(rising_edge(clk_1khz)) then
            if(start_stop_button_i = '1') then
                counter := counter + 1;
            else
                if(counter > 50) then
                    if(ssb_state = 2) then
                        ssb_state <= 0;
                        ssb_reset <= '1';
                    else
                        ssb_state <= ssb_state + 1;
                    end if;
                end if;
                counter := 0;
            end if;
        end if;

    end process;