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基于Quartus II的數(shù)字直接頻率合成器DDS Verilog源代碼
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作者:
童言無(wú)忌
時(shí)間:
2019-1-22 16:41
標(biāo)題:
基于Quartus II的數(shù)字直接頻率合成器DDS Verilog源代碼
基于Quartus II 的
（EDA課程設(shè)計(jì)）數(shù)字直接頻率合成器DDS
工程文件大小15.9MB
0.png
(43.65 KB, 下載次數(shù): 55)
下載附件
2019-1-25 01:53 上傳
源碼:
module DDS_hzh(clk,keyin,switchin,wavevalue,sm_db0,sm_db1,sm_db2,sm_db3,led,hexdd,DW);
input clk;
input [2:0] keyin;
input switchin;
input [4:0] DW;
wire [9:0] address;
output [9:0] wavevalue;
wire [1:0] wavemode;
wire [31:0] length;//change 32
wire [2:0] keyout;
output [3:0] hexdd;
output [6:0] sm_db0;
output [6:0] sm_db1;
output [6:0] sm_db2;
output [6:0] sm_db3;
output [2:0] led;
key U1(clk,keyin,keyout);
control U2(clk,keyout,switchin,length,wavemode,DW);
counter U3(clk,length,address);
shumaguan U4(clk,length,sm_db0,sm_db1,sm_db2,sm_db3,led,hexdd);
boxing U5(address,clk,wavemode,wavevalue);
endmodule
module boxing(address,clk,wavemode,wavevalue);
input clk;
input [9:0] address;
input [1:0] wavemode;
output [9:0] wavevalue;
reg [9:0] wavevalue;
wire [9:0] wavevalue1,wavevalue2,wavevalue3;
sin M1(address,clk,wavevalue1);
fangbo M2(address,clk,wavevalue2);
sanjiao M3(address,clk,wavevalue3);
always@(posedge clk)
case(wavemode)
2'b01:wavevalue= wavevalue1;
2'b10:wavevalue= wavevalue2;
2'b11:wavevalue= wavevalue3;
endcase
endmodule
module counter(clk,fre_word,address);
input clk;
output reg [9:0] address;
input [31:0] fre_word;
reg[31:0] phaseadder;
always@(posedge clk)
begin
phaseadder= phaseadder+ fre_word;
address= phaseadder[31:22];
end
endmodule
module control(clk,keyin,switchin,length,wavemode,DW);//changed
input [2:0] keyin;
input clk;
input [4:0] DW;
input switchin;
output reg [31:0] length;
output reg [1:0] wavemode;
reg [31:0]fredata;
reg [2:0]key;
reg switch;
integer single_state= 1;
reg [32:0] single_frc;
always@(posedge clk)
begin
key=keyin;
switch=switchin;
if(DW == 5'b00001) begin
single_frc = 32'd286;
end
else if(DW == 5'b00010) begin
single_frc = 32'd28633;
end
else if(DW == 5'b00100) begin
single_frc = 32'd286331;
end
else if(DW == 5'b01000) begin
single_frc = 32'd2863311;
end
else if(DW == 5'b10000) begin
single_frc = 32'd28633115;
end
else begin single_frc = 32'd28; end;
case(key)
3'b001:begin
length= 32'd28633; //1kHz
wavemode= 2'b01;//sin
end
3'b010:begin
case(single_state)
1:wavemode= 2'b01;//sin
2:wavemode= 2'b10;//fangbo
3:wavemode= 2'b11;//sanjiaobo
default:
begin
wavemode=2'b01;
single_state= 0;
end
endcase
single_state= single_state+1;
end
3'b100:begin
if(switch==1)
begin
length= length - single_frc;
/*case(single_frc)
1:length= length- 32'd286;//-10Hz
2:length= length- 32'd28633;//-1kHz
3:length= length- 32'd286331;//-10kHz
4:length= length- 32'd2863311;//-100kHz
5:length= length- 32'd28633115;//-1MHz
default:length= length- 0;
endcase*/
end
else
begin
length = length + single_frc;
/*case(single_frc)
1:length= length+ 32'd286;//+10Hz
2:length= length+ 32'd28633;//+1kHz
3:length= length+ 32'd286331;//+10kHz
4:length= length+ 32'd2863311;//+100kHz
5:length= length+ 32'd28633115;//+1MHz
default:length= length+ 0;
endcase*/
end
end
endcase
end
endmodule
module shumaguan(clk,length,sm_db0,sm_db1,sm_db2,sm_db3,led,hexdd);//changed
input clk;
output reg [6:0] sm_db0;
output reg [6:0] sm_db1;
output reg [6:0] sm_db2;
output reg [6:0] sm_db3;
output reg [2:0] led;
output reg [3:0] hexdd;
input [31:0] length;
parameter seg0=7'h40,
seg1=7'h79,
seg2=7'h24,
seg3=7'h30,
seg4=7'h19,
seg5=7'h12,
seg6=7'h02,
seg7=7'h78,
seg8=7'h00,
seg9=7'h10;
reg [17:0] temp= 18'd34925;
reg [47:0] AA;
reg [31:0] fre;
reg [3:0] A1,A2,A3,A4,A5,A6,A7;
always@(posedge clk)
begin
AA= length*temp;
fre= AA/24'd1000000;
A1=(fre/24'd1000000);
A2=(fre/24'd100000)%4'd10;
A3=(fre/24'd10000)%4'd10;
A4=(fre/24'd1000)%4'd10;
A5=(fre/24'd100)%4'd10;
A6=(fre/24'd10)%4'd10;
A7=fre%4'd10;
if(A1!=4'd0)
begin
led =3'b100;
if(A1<4'd10)
begin
hexdd = 4'b0111;
case(A1)
4'd1: sm_db0 <= seg1;
4'd2: sm_db0 <= seg2;
4'd3: sm_db0 <= seg3;
4'd4: sm_db0 <= seg4;
4'd5: sm_db0 <= seg5;
4'd6: sm_db0 <= seg6;
4'd7: sm_db0 <= seg7;
4'd8: sm_db0 <= seg8;
4'd9: sm_db0 <= seg9;
default: ;
endcase
case(A2)
4'd0: sm_db1 <= seg0;
4'd1: sm_db1 <= seg1;
4'd2: sm_db1 <= seg2;
4'd3: sm_db1 <= seg3;
4'd4: sm_db1 <= seg4;
4'd5: sm_db1 <= seg5;
4'd6: sm_db1 <= seg6;
4'd7: sm_db1 <= seg7;
4'd8: sm_db1 <= seg8;
4'd9: sm_db1 <= seg9;
default: ;
endcase
case(A3)
4'd0: sm_db2 <= seg0;
4'd1: sm_db2 <= seg1;
4'd2: sm_db2 <= seg2;
4'd3: sm_db2 <= seg3;
4'd4: sm_db2 <= seg4;
4'd5: sm_db2 <= seg5;
4'd6: sm_db2 <= seg6;
4'd7: sm_db2 <= seg7;
4'd8: sm_db2 <= seg8;
4'd9: sm_db2 <= seg9;
default: ;
endcase
case(A4)
4'd0: sm_db3 <= seg0;
4'd1: sm_db3 <= seg1;
4'd2: sm_db3 <= seg2;
4'd3: sm_db3 <= seg3;
4'd4: sm_db3 <= seg4;
4'd5: sm_db3 <= seg5;
4'd6: sm_db3 <= seg6;
4'd7: sm_db3 <= seg7;
4'd8: sm_db3 <= seg8;
4'd9: sm_db3 <= seg9;
default: ;
endcase
end
else
begin
hexdd <= 4'b1011;
case(A1/10)
4'd1: sm_db0 <= seg1;
4'd2: sm_db0 <= seg2;
4'd3: sm_db0 <= seg3;
4'd4: sm_db0 <= seg4;
4'd5: sm_db0 <= seg5;
4'd6: sm_db0 <= seg6;
4'd7: sm_db0 <= seg7;
4'd8: sm_db0 <= seg8;
4'd9: sm_db0 <= seg9;
default: ;
endcase
case(A1%10)
4'd0: sm_db1 <= seg0;
4'd1: sm_db1 <= seg1;
4'd2: sm_db1 <= seg2;
4'd3: sm_db1 <= seg3;
4'd4: sm_db1 <= seg4;
4'd5: sm_db1 <= seg5;
4'd6: sm_db1 <= seg6;
4'd7: sm_db1 <= seg7;
4'd8: sm_db1 <= seg8;
4'd9: sm_db1 <= seg9;
default: ;
復(fù)制代碼
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DDS_successful.rar
(16 MB, 下載次數(shù): 41)
2019-1-22 16:41 上傳
點(diǎn)擊文件名下載附件
下載積分: 黑幣 -5
作者:
zhangmingyang
時(shí)間:
2019-4-7 19:19
大佬，怎么編譯不了啊
作者:
mnbvcxzmnbvcxz
時(shí)間:
2019-12-9 21:40
實(shí)現(xiàn)功能是什么啊??
歡迎光臨 (http://www.raoushi.com/bbs/)
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DDS_successful.rar
(16 MB, 下載次數(shù): 41)