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whywhy89713的进程贴

whywhy89713

菜鸟

2013-03-12 21:27:24 打赏

只看楼主 1楼

由于买了板子后就外出做课题了，也没带板子所以一直到最近才开始做，幸亏延期了，呵呵；经过近2周左右的努力学习，已经做到了12864显示了，从明天起陆续上传视频和源代码；让版主费心了，实在是不好意思。

希望版主针对状态机专门做一个专题教程，那就太好了，呵呵

关键词： FPGA DIY

jobs

院士

2013-03-16 21:44:34 打赏

2楼

楼主要抓紧啊~~

还有不到2周的时间了……

whywhy89713

菜鸟

2013-03-18 20:29:03 打赏

3楼

//程序一
module led1(LED);
output[7:0] LED;
assign LED=8'b10101010;
endmodule

//程序二
module led1(LED);
output[7:0] LED;
reg [7:0] LED;
always
begin
LED=8'b10101010;
endmodule

//程序三一个always

//该程序为1s中闪烁，晶振为50Mhz，20ns，所以1s=20*（10^-9）*5*10^7；而5*10^7=10 1111 1010 1111 0000 1000 0000b至少需要26位的位宽

module led1(CLK,RESET,LED);

//????????
input CLK;//?????50Mhz
input RESET;//??????????
output [7:0]LED;//LED????

//?????
reg [7:0] LED;//led???
reg [25:0] delay_cnt;//?????

//????
always@(posedge CLK or negedge RESET)

if(!RESET)
  begin
   delay_cnt<=26'd0;//???25??????0
   LED<=8'b11111111;//???25??????0
  end
else
  begin
   if (delay_cnt==26'd49999999)

    begin
    delay_cnt<=26'd0;
    LED=~LED;
    end
   else
    begin
    delay_cnt<=delay_cnt+1'b1;
    end
  end
endmodule

//程序四两个always

module led1(CLK,RESET,LED);

//????????
input CLK;//?????50Mhz
input RESET;//??????????
output [7:0] LED;//LED????

//?????
reg [7:0] LED;//led???
reg [25:0] delay_cnt;//?????

http://v.youku.com/v_show/id_XNTI4MjY1MDQ4.html

whywhy89713

菜鸟

2013-03-18 20:32:37 打赏

4楼

LED 1s闪烁

module led1(CLK,RESET,LED);

//????????
input CLK;//?????50Mhz
input RESET;//??????????
output [7:0] LED;//LED????

//?????
reg [7:0] LED;//led???
reg [25:0] delay_cnt;//?????

http://player.youku.com/player.php/sid/XNTI4NzIyNDYw/v.swf

whywhy89713

菜鸟

2013-03-18 20:34:53 打赏

5楼

花样流水

module led1(CLK,RESET,LED);

//????????
input CLK;//?????50Mhz
input RESET;//??????????
output [7:0] LED;//LED????

//?????
reg [7:0] LED;//led???
reg [25:0] delay_cnt;//?????
reg [4:0] state;
//????
always@(posedge CLK or negedge RESET)
begin
  if(!RESET)
   delay_cnt<=26'd0;//???25??????0
  else
   begin
   if (delay_cnt==26'd24999999)
    delay_cnt<=26'd0;
   else
    delay_cnt<=delay_cnt+1'b1;
   end
end
always@(posedge CLK or negedge RESET)
begin
  if(!RESET)
   LED<=8'b11111111;//???25??????0
  else
   begin
   case(state)
   5'b00000: LED=8'b11111111;
   5'b00001: LED=8'b00000000;
   5'b00010: LED=8'b00000001;
   5'b00011: LED=8'b00000011;
   5'b00100: LED=8'b00000111;
   5'b00101: LED=8'b00001111;
   5'b00110: LED=8'b00011111;
   5'b00111: LED=8'b00111111;
   5'b01001: LED=8'b01111111;
   5'b01010: LED=8'b00000000;
   5'b01011: LED=8'b11111111;
   5'b01100: LED=8'b10000000;
   5'b01101: LED=8'b01000000;
   5'b01110: LED=8'b00100000;
   5'b01111: LED=8'b00010000;
   5'b10000: LED=8'b00001000;
   5'b10000: LED=8'b00000100;
   5'b10001: LED=8'b00000010;
   5'b10010: LED=8'b00000001;
   5'b10011: LED=8'b00000000;
   5'b10100: LED=8'b01111110;
   5'b10101: LED=8'b10111101;
   5'b10110: LED=8'b11011011;
   5'b10111: LED=8'b11100111;
   5'b11001: LED=8'b11111111;
   5'b11010: LED=8'b11100111;
   5'b11011: LED=8'b11011011;
   5'b11100: LED=8'b10111101;
   5'b11101: LED=8'b01111110;
   5'b11110: LED=8'b11111111;
   5'b11111: LED=8'b00000000;
   endcase
   state=state+1;
   end
end
endmodule

http://v.youku.com/v_show/id_XNTI4MjU1OTQw.html

whywhy89713

菜鸟

2013-03-18 20:49:22 打赏

6楼

数码管

2-1 1~f静态显示

module smg(CLK,RESET,SEG,DIG);

//????????
input CLK;//?????50Mhz
input RESET;//??????????
output [7:0] SEG;
output [7:0] DIG;

//?????
reg [7:0] SEG;
wire [7:0] DIG;
reg [3:0] dat;
reg [25:0] delay_cnt;//?????

//????
always@(posedge CLK or negedge RESET)
begin
  if(!RESET)
   delay_cnt<=26'd0;//???25??????0
  else
   begin
   if (delay_cnt==26'd49999999)
    delay_cnt<=26'd0;
   else
    delay_cnt<=delay_cnt+1'b1;
   end
end

always@(posedge CLK or negedge RESET)
begin
  if(!RESET)
  dat<=4'd0;
  else
   begin
    if(delay_cnt==26'd49999999)
    dat<=dat+1'b1;
    else
     dat<=dat;
   end
end

always@(dat)
begin
  case(dat)
   4'h0: SEG = 8'hc0;
   4'h1: SEG = 8'hf9;
   4'h2: SEG = 8'ha4;
   4'h3: SEG = 8'hb0;
   4'h4: SEG = 8'h99;
   4'h5: SEG = 8'h92;
   4'h6: SEG = 8'h82;
   4'h7: SEG = 8'hf8;
   4'h8: SEG = 8'h80;
   4'h9: SEG = 8'h90;
   4'ha: SEG = 8'h88;
   4'hb: SEG = 8'h83;
   4'hc: SEG = 8'hc6;
   4'hd: SEG = 8'ha1;
   4'he: SEG = 8'h86;
   4'hf: SEG = 8'h8e;
   endcase

end
assign DIG=8'b00000000;
endmodule

http://v.youku.com/v_show/id_XNTI4MjY3ODc2.html

whywhy89713

菜鸟

2013-03-18 20:51:23 打赏

7楼

2-2拨码数码管

module smg(CLK,RESET,SEG,DIG,SW);

//????????
input CLK;//?????50Mhz
input RESET;//??????????
input [7:0] SW;
output [7:0] SEG;
output [7:0] DIG;

//?????
reg [7:0] SEG;
wire [7:0] DIG;
reg [3:0] dat;
reg [25:0] delay_cnt;//?????

//????
always@(negedge SW or negedge RESET)

  begin
   case(SW)
   8'b11111111:dat=4'h0;
   8'b11111110:dat=4'h1;
   8'b11111101:dat=4'h2;
   8'b11111011:dat=4'h3;
   8'b11110111:dat=4'h4;
   8'b11101111:dat=4'h5;
   8'b11011111:dat=4'h6;
   8'b10111111:dat=4'h7;
   8'b01111111:dat=4'h8;
   default: dat=4'hf;
   endcase

end

always@(dat)
begin
  case(dat)
   4'h0: SEG = 8'hc0;
   4'h1: SEG = 8'hf9;
   4'h2: SEG = 8'ha4;
   4'h3: SEG = 8'hb0;
   4'h4: SEG = 8'h99;
   4'h5: SEG = 8'h92;
   4'h6: SEG = 8'h82;
   4'h7: SEG = 8'hf8;
   4'h8: SEG = 8'h80;
   4'h9: SEG = 8'h90;
   4'ha: SEG = 8'h88;
   4'hb: SEG = 8'h83;
   4'hc: SEG = 8'hc6;
   4'hd: SEG = 8'ha1;
   4'he: SEG = 8'h86;
   4'hf: SEG = 8'h8e;
   endcase
end
assign DIG=8'b00000000;

endmodule

whywhy89713

菜鸟

2013-03-18 20:53:00 打赏

8楼

2-3 60s计时

module smg(CLK,RESET,SEG,DIG);

//????????
input CLK;//?????50Mhz
input RESET;//??????????

output [7:0] SEG;
output [7:0] DIG;

//?????
reg [7:0] SEG;
reg [7:0] DIG;
reg [4:0] dbuf;
reg dat;
reg [25:0] delay_cnt;//?????
reg [25:0] delay_cnt1;
reg [3:0] cntl;
reg [2:0] cnth;

always@(posedge CLK or negedge RESET)
begin
  if(!RESET)
   delay_cnt<=26'd0;//???25??????0
  else
   begin
   if (delay_cnt==26'd49999999)
    delay_cnt<=26'd0;
   else
    delay_cnt<=delay_cnt+1'b1;
   end
end

always@(posedge CLK or negedge RESET)
  begin
   if(!RESET)
    cntl<=4'd0;
   else if(delay_cnt==26'd49999999)
    if(cntl==4'd9) cntl<=4'd0;
    else cntl<=cntl+4'd1;

  end

always@(posedge CLK or negedge RESET)
begin
if(!RESET)
    cnth<=3'd0;
else if(cntl==4'd9 && delay_cnt==26'd49999999)
    if(cnth==3'd5) cnth<=3'd0;
    else cnth<=cnth+3'd1;
end

always@(posedge CLK or negedge RESET)
begin
  if(!RESET)
   delay_cnt1<=26'd0;//???25??????0
  else
   begin
   if (delay_cnt1==26'd499999)
    delay_cnt1<=26'd0;
   else
    delay_cnt1<=delay_cnt1+1'b1;
   end
end

always@(posedge CLK or negedge RESET)
begin
  if(!RESET)
   dat<=1'b0;
  else if(delay_cnt1==26'd499999)
    dat<=~dat;
end

always@(dat)
begin
  case(dat)
   2'b00:DIG=8'b11111110;
   2'b01:DIG=8'b11111101;

   default:DIG=8'b11111111;
  endcase
end

always@(DIG or cntl or cnth)
begin
case(DIG)
  8'b11111110:dbuf<=cntl;
  8'b11111101:dbuf<=cnth;

   default:dbuf<=5'd0;
endcase
end

always@(dbuf)
begin
  case(dbuf)
   4'h0: SEG = 8'hc0;
   4'h1: SEG = 8'hf9;
   4'h2: SEG = 8'ha4;
   4'h3: SEG = 8'hb0;
   4'h4: SEG = 8'h99;
   4'h5: SEG = 8'h92;
   4'h6: SEG = 8'h82;
   4'h7: SEG = 8'hf8;
   4'h8: SEG = 8'h80;
   4'h9: SEG = 8'h90;
   4'ha: SEG = 8'h88;
   4'hb: SEG = 8'h83;
   4'hc: SEG = 8'hc6;
   4'hd: SEG = 8'ha1;
   4'he: SEG = 8'h86;
   4'hf: SEG = 8'h8e;
   default:SEG=8'hc0;
   endcase
end

endmodule

http://v.youku.com/v_show/id_XNTI4MjcwODY0.html

whywhy89713

菜鸟

2013-03-18 20:55:27 打赏

9楼

3.按键

3-1按键未除抖
module key(CLK,RESET,LED,KEY);

input CLK;
input RESET;
input KEY;

output LED;

reg LED;

always@(posedge CLK or negedge RESET)
begin
  if(!RESET)
   LED<=1'b1;
  else if(!KEY)
   LED<=~LED;
  else
   LED<=LED;
end
endmodule http://player.youku.com/player.php/sid/XNTI4MjY0NDA0/v.swf

whywhy89713

菜鸟

2013-03-18 20:58:43 打赏

10楼

3-2按键未除抖数码管

module key(CLK,RESET,KEY,SEG,DIG);

input CLK;
input RESET;
input KEY;

output [7:0] SEG;
output [7:0] DIG;

reg [7:0] SEG;
wire [7:0] DIG;
reg [3:0] dat;

always@(posedge CLK or negedge RESET)
begin
  if(!RESET)
   dat<=1'b1;
  else if(!KEY)
   dat<=dat+1'b1;
  else
   dat<=dat;
end

always@(dat)
begin
  case(dat)
   4'h0: SEG = 8'hc0;
   4'h1: SEG = 8'hf9;
   4'h2: SEG = 8'ha4;
   4'h3: SEG = 8'hb0;
   4'h4: SEG = 8'h99;
   4'h5: SEG = 8'h92;
   4'h6: SEG = 8'h82;
   4'h7: SEG = 8'hf8;
   4'h8: SEG = 8'h80;
   4'h9: SEG = 8'h90;
   4'ha: SEG = 8'h88;
   4'hb: SEG = 8'h83;
   4'hc: SEG = 8'hc6;
   4'hd: SEG = 8'ha1;
   4'he: SEG = 8'h86;
   4'hf: SEG = 8'h8e;
   endcase

end
assign DIG=8'b11111110;
endmodule

http://player.youku.com/player.php/sid/XNTI4MjY1Mjk2/v.swf

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