基于CPLD的数字钟设计(二)

把代码改了一下，编译通过了，接下来得做仿真，除错了。呵呵，新手，自己鼓励一下自己！

/*+FHDR--------------------------------------------------------
  file name: clock.v
  Author:    Clarke.Lee
  E-mail:    clarke.lee@163.com
  --------------------------------------
  Clock:     1hz
  Reset:     Synchronous,Low
  include:   counter60.v
             counter24.v
  --------------------------------------
  Keywords:  Counter, Digital Clock
//-FHDR---------------------------------------------------------*/ 

`timescale 1ns/1ns
`include "counter60.v"
`include "counter24.v"
`include "sel.v"

module clock(clk,
             fm_key,
             fh_key,
             reset,
             h,
             m,
             s);
            
          
            
input clk;
input fm_key;
input fh_key;
input reset;
output [4:0] h;
output [6:0] m;
output [6:0] s;

 

counter60 counters (.clk(clk),
                    .reset(reset),
                    .cout(cout_s),
                    .out(s));
                   
counter60 counterm (.clk(clkm),
                    .reset(reset),
                    .cout(cout_m),
                    .out(m));
                   
counter24 counterh (.clk(clkh),
                    .reset(reset),
                    .cout(cout_h),
                    .out(h));
                        
sel selm (.a(clk),
          .b(cout_s),
          .f(clkm),
          .sel(fm_key));
         
sel selh (.a(clk),
          .b(cout_m),
          .f(clkh),
          .sel(fh_key));  

endmodule

/*+FHDR--------------------------------------------------------
  file name: counter60.v
  Author:    Clarke.Lee
  E-mail:    clarke.lee@163.com
  --------------------------------------
  include:   counter6.v
             counter10.v
  --------------------------------------
  Keywords:  Counter
//-FHDR---------------------------------------------------------*/ 

`timescale 1ns/1ns
`include "counter6.v"
`include "counter10.v"

module counter60(clk,
                 reset,
                 cout,
                 out);

input  clk;
input  reset;
output cout;
output [6:0] out;

wire cout_6;
wire cout_10;
wire [2:0] out_6;
wire [3:0] out_10;
 
counter6  counter6_1 (.clk(clk),
                    .reset(reset),
                    .cout(cout_6),
                    .out(out_6));
counter10 counter10(.clk(cout_6),
                    .reset(reset),
                    .cout(cout),
                    .out(out_10));

assign out = {out_6,out_10};

endmodule

//-FHDR---------------------------------------------------------*/ 

`timescale 1ns/1ns
`include "counter6.v"
`include "counter4.v"

module counter24(clk,
                 reset,
                 cout,
                 out);

input  clk;
input  reset;
output cout;
output [4:0] out;

wire cout_6;
wire cout_4;
wire [2:0] out_6;
wire [1:0] out_4;
 
counter6  counter6_0 (.clk(clk),
                    .reset(reset),
                    .cout(cout_6),
                    .out(out_6));
counter4  counter4  (.clk(cout_6),
                    .reset(reset),
                    .cout(cout),
                    .out(out_4));

assign out = {out_6,out_4};

endmodule

/*+FHDR--------------------------------------------------------
  file name: counter6.v
  Author:    Clarke.Lee
  E-mail:    clarke.lee@163.com
  --------------------------------------
  Keywords:  Counter
//-FHDR---------------------------------------------------------*/ 

`timescale 1ns/1ns

module counter6(clk,
                reset,
                cout,
                out);
            
input  clk;
input  reset;
output cout;
output [2:0] out;

reg cout;
reg [2:0] out;

reg [2:0] counter;

always@(posedge clk)
    if(!reset)
        out <= 0;
    else
        for(counter=1;counter<6;counter=counter+1)
            out <= counter;
           
endmodule
               
/*+FHDR--------------------------------------------------------
  file name: counter10.v
  Author:    Clarke.Lee
  E-mail:    clarke.lee@163.com
  --------------------------------------
  Keywords:  Counter
//-FHDR---------------------------------------------------------*/ 

`timescale 1ns/1ns

module counter10(clk,
                reset,
                cout,
                out);
            
input  clk;
input  reset;
output cout;
output [3:0] out;

reg cout;
reg [3:0] out;

reg [3:0] counter;

always@(posedge clk)
    if(!reset)
        out <= 0;
    else
        for(counter=1;counter<10;counter=counter+1)
            out <= counter;
           
endmodule

/*+FHDR--------------------------------------------------------
  file name: counter4.v
  Author:    Clarke.Lee
  E-mail:    clarke.lee@163.com
  --------------------------------------
  Keywords:  Counter
//-FHDR---------------------------------------------------------*/ 

`timescale 1ns/1ns

module counter4(clk,
                reset,
                cout,
                out);
            
input  clk;
input  reset;
output cout;
output [1:0] out;

reg cout;
reg [1:0] out;

reg [1:0] counter;

always@(posedge clk)
    if(!reset)
        out <= 0;
    else
        for(counter=1;counter<4;counter=counter+1)
            out <= counter;
           
endmodule

/*+FHDR--------------------------------------------------------
  file name: sel.v
  Author:    Clarke.Lee
  E-mail:    clarke.lee@163.com
  --------------------------------------
  Keywords:  select devise
//-FHDR---------------------------------------------------------*/ 

`timescale 1ns/1ns

module sel(a,
           b,
           f,
           sel);
input a;
input b;
input sel;
output f;

assign f = (a||sel)&(!sel||b);

endmodule