module traffic_lights_top(Clk,
                          SN_CI, WE_CI,
                          SN_PI, WE_PI,
                          SN_CL, WE_CL,
                          SN_PL, WE_PL,
                          SN_TJ, WE_TJ,
                          Count);

     input Clk;
     input SN_CI, WE_CI;
     input SN_PI, WE_PI;
     input[3:0] SN_TJ, WE_TJ;
     output[2:0] SN_CL, WE_CL;
     output[2:0] SN_PL, WE_PL;
     output[6:0] Count;

                                // 15                   // 19                       // 34                       // 38
     parameter SEC1_nt = 7'b0001111, SEC2_nt = 7'b0010011, SEC3_nt = 7'b0100010, SEC4_nt = 7'b0100110; // time for each light in non traffic times
                                // 30              // 38                    // 68                   // 76
     parameter SEC1_t = 7'b0011110, SEC2_t = 7'b0100110, SEC3_t = 7'b1000100, SEC4_t = 7'b1001100; // time for each light in traffic times

     //traffic t1(Clk,SN_CI,WE_CI,SN_PI,WE_PI,SN_CL,WE_CL,SN_PL,WE_PL,Count);

     generate
        case({SN_TJ, WE_TJ})
            {4'b1111,4'b0000}:
                begin
                    traffic SN_t(Clk,SN_CI,WE_CI,SN_PI,WE_PI,SN_CL,WE_CL,SN_PL,WE_PL,Count);
                    defparam SN_t.SEC1 = 7'b0000000;
                    defparam SN_t.SEC2 = SEC2_t;
                    defparam SN_t.SEC3 = SEC3_nt;
                    defparam SN_t.SEC4 = SEC4_nt;
                end

            {4'b0000,4'b1111}:
                begin
                    traffic WE_t(Clk,SN_CI,WE_CI,SN_PI,WE_PI,SN_CL,WE_CL,SN_PL,WE_PL,Count);
                    defparam WE_t.SEC1=SEC1_nt;
                    defparam WE_t.SEC2=SEC2_nt;
                    defparam WE_t.SEC3=SEC3_t;
                    defparam WE_t.SEC4=SEC4_t;
                end

            default:
                begin
                    traffic same_t(Clk,SN_CI,WE_CI,SN_PI,WE_PI,SN_CL,WE_CL,SN_PL,WE_PL,Count);
                    defparam same_t.SEC1=SEC1_nt;
                    defparam same_t.SEC2=SEC2_nt;
                    defparam same_t.SEC3=SEC3_nt;
                    defparam same_t.SEC4=SEC4_nt;
                end
        endcase
    endgenerate

endmodule