序列检测器

检测一段码流，检测到一个特定序列数码管数字加一怎么写

#include <stdio.h>
#include<stdlib.h>
#include<time.h>
#include <math.h>
#define DEPTH 256 /*数据深度，即存储单元的个数*/
#define WIDTH 4 /*存储单元的宽度*/
int main(void)
{
int i;
int a[256];
int b[4];
srand(time(NULL));
FILE *fp;
fp = fopen("TestMif.mif","w"); /*文件名随意，但扩展名必须为.mif*/
if(NULL==fp)
printf("Can not creat file!\r\n");
else
{
printf("File created successfully!\n");
/*
* 生成文件头：注意不要忘了“;”
*/
fprintf(fp,"DEPTH = %d;\n",DEPTH);
fprintf(fp,"WIDTH = %d;\n",WIDTH);
fprintf(fp,"ADDRESS_RADIX = HEX;\n");
fprintf(fp,"DATA_RADIX = HEX;\n");
fprintf(fp,"CONTENT\n");
fprintf(fp,"BEGIN\n");
for(i=0;i<DEPTH;i++)
{
a[i]=rand()%16;
//printf("%d ",a[i]);
switch(a[i]){
case 0:b[0]=0,b[1]=0,b[2]=0,b[3]=0;break;
case 1:b[0]=0,b[1]=0,b[2]=0,b[3]=1;break;
case 2:b[0]=0,b[1]=0,b[2]=1,b[3]=0;break;
case 3:b[0]=0,b[1]=0,b[2]=1,b[3]=1;break;
case 4:b[0]=0,b[1]=1,b[2]=0,b[3]=0;break;
case 5:b[0]=0,b[1]=1,b[2]=0,b[3]=1;break;
case 6:b[0]=0,b[1]=1,b[2]=1,b[3]=0;break;
case 7:b[0]=0,b[1]=1,b[2]=1,b[3]=1;break;
case 8:b[0]=1,b[1]=0,b[2]=0,b[3]=0;break;
case 9:b[0]=1,b[1]=0,b[2]=0,b[3]=1;break;
case 10:b[0]=1,b[1]=0,b[2]=1,b[3]=0;break;
case 11:b[0]=1,b[1]=0,b[2]=1,b[3]=1;break;
case 12:b[0]=1,b[1]=1,b[2]=0,b[3]=0;break;
case 13:b[0]=1,b[1]=1,b[2]=0,b[3]=1;break;
case 14:b[0]=1,b[1]=1,b[2]=1,b[3]=0;break;
case 15:b[0]=1,b[1]=1,b[2]=1,b[3]=1;break;
}
fprintf(fp,"%d\t:\t%d%d%d%d;\n",i,b[0],b[1],b[2],b[3]);
}//end for
fprintf(fp,"END;\n");
fclose(fp);
}
}码流制造

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_unsigned.all;
entity jiancei is
port(
Clk:in std_logic;
data_in:in std_logic;
text:in std_logic;
data_out:out std_logic;
lump1:out std_logic;
lump2:out std_logic;
lump3:out std_logic
);
end jiancei;
architecture rtl of jiancei is
signal shift:std_logic_vector(7 downto 0);
signal ref_value:std_logic_vector(7 downto 0):="01111110";
signal coff_value:integer range 0 to 7;
signal num:integer range 0 to 1027:=0;
begin
process(text,clk)
begin
if(text='0') then
shift<=(others=>'0');
elsif(Clk'event and Clk='0') then
shift(0)<=shift(1);
shift(1)<=shift(2);
shift(2)<=shift(3);
shift(3)<=shift(4);
shift(4)<=shift(5);
shift(5)<=shift(6);
shift(6)<=shift(7);
shift(7)<=data_in;
if (num=0) then
if(shift/="00000000") then
lump1<='1';
num<=1;
end if;
end if;
num<=num+1;
end if;
end process;
process(text,clk)
begin
if (shift/="00000000" and num/=0 and num/=1027) then
if (num=1027) then
if(shift/="00000000") then
lump3<='1';
end if;
end if;
if(text='0') then
data_out<='0';
elsif(Clk'event and Clk='0') then
if(shift<="01111110") then
data_out<='1';
else
data_out<='0';
end if;
end if;
end if;
if(shift<="00000000" and num/=1027) then
lump2<='1';
end if;
end process;
end rtl;序列检测

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