ws2812_led/rtl/ws2812_top.v

module ws2812_top(
    input  wire sys_clk     ,
    input  wire sys_rst_n   ,

    output wire dout
);
wire          bit    ;
wire  [4: 0]  cnt_bit;
wire  [6: 0]  cnt_led; 

ws2812_ctrl  ws2812_ctrl_inst(
.sys_clk    (sys_clk),
.sys_rst_n  (sys_rst_n),
.bit        (bit),

.dout       (dout),
.cnt_bit    (cnt_bit),
.cnt_led    (cnt_led)       
);

data_cfg    data_cfg_inst(
.cnt_bit    (cnt_bit),
.cnt_led    (cnt_led),

.bit        (bit)  
);
endmodule