agi_fpga/hardware/rtl/digit_led/clock_circuit.v

module clock_circuit(
    input               sys_clk     ,
    input               sys_rst_n   ,
    input       [3: 0]  opcode      ,
    input       [3: 0]  data        ,
    input       [1: 0]  dev_id      ,//设备地址

    output      [7: 0]  seg_led     ,
    output      [5: 0]  sel_led     
);
wire [4: 0] hour;
wire [5: 0] min ;
wire [5: 0] sec ;

timer   timer_inst(
.sys_clk       (sys_clk),
.sys_rst_n     (sys_rst_n),
.dev_id        (dev_id),
.opcode        (opcode),

.hour          (hour),
.min           (min),
.sec           (sec)
);  

timer_decoder   timer_decoder_inst(
.sys_clk       (sys_clk),
.sys_rst_n     (sys_rst_n),
.hour          (hour),
.min           (min),
.sec           (sec),
.dev_id        (dev_id),
.opcode        (opcode),

.seg_led       (seg_led),
.sel_led       (sel_led)
);

// defparam timer_inst.MAX = 5;//5 * 20 = 100ns
// defparam timer_inst.DAY = 864;//864 * 100 = 86400ns;
// defparam timer_decoder_inst.FPS = 10;//200ns;
endmodule