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发表于 2013-6-6 21:46:45
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回复 7# 子幽墨雨
这个真是巧合啊,其实这程序我去年就写好了 http://weibo.com/1976694883/zcluSoSyP
weibo2012
贴下源代码:
- //2012-12-5 22:26:57
- //更新日志:
- //能够直接从文件读取文字的点阵
- //点阵由PCtoLCD2002完美版生成
- //点阵格式:阴码,逐列式,逆向(低位在前),十六进制数
- //点阵文件示例:
- //使用须知:
- // 宏NUM_HANZI表示汉字个数,必须要小于或等于点阵文件内汉字个数
- // 输入汉字点阵文件请保存为text.TXT
- `timescale 1ns/1ps
- `define NUM_HANZI 9
- module wave1(clk,clk_h,flg,sig_16x16);
- output clk;
- output clk_h;
- output flg;
- output sig_16x16;
- reg clk;
- reg clk_h;
- reg flg[15:0];
- reg[7:0] data[0:`NUM_HANZI-1][0:31];
- reg[16:0] data_16x16[0:`NUM_HANZI-1][0:15];
- string hanzi[`NUM_HANZI][2];
- reg[16:0] sig_16x16;
- int T_clk = 8;
- int T_clk_h =1;
- int T_elemt =T_clk*4;
- integer fd;
- int tmp1;
- int tmp2;
- int tmp;
- string str_temp;
- string str_head;
- initial begin
- clk = 0;
- clk_h =0;
- for(int j=0;j<15;j++)
- flg[j] = 0;
- fd = $fopen("dragon_boat.TXT","r");
- tmp = $fgets(str_head,fd);
- for(int i=0;i<`NUM_HANZI;i++)
- begin
- tmp = $fgets(str_temp,fd);
- tmp1 = $fgets(hanzi[i][0],fd);
- tmp2 = $fgets(hanzi[i][1],fd);
- tmp = $fgets(str_temp,fd);
- end
- for(int num=0;num<`NUM_HANZI;num++)
- begin
- $sscanf(hanzi[num][0],"%2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h",data[num][0],data[num][1],data[num][2],data[num][3],data[num][4],data[num][5],data[num][6],data[num][7],data[num][8],data[num][9],data[num][10],data[num][11],data[num][12],data[num][13],data[num][14],data[num][15]);
- $sscanf(hanzi[num][1],"%2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h",data[num][16],data[num][17],data[num][18],data[num][19],data[num][20],data[num][21],data[num][22],data[num][23],data[num][24],data[num][25],data[num][26],data[num][27],data[num][28],data[num][29],data[num][30],data[num][31]);
- $display("%2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h %2h ",data[num][0],data[num][1],data[num][2],data[num][3],data[num][4],data[num][5],data[num][6],data[num][7],data[num][8],data[num][9],data[num][10],data[num][11],data[num][12],data[num][13],data[num][14],data[num][15]);
- end
-
- for(int num_h=0;num_h<`NUM_HANZI;num_h++)
- begin
- for(int i =0;i<16;i++)
- begin
- data_16x16[num_h][i] = {data[num_h][2*i+1],data[num_h][2*i]};
- $display("data_16x16[num_h][%4d] = %4h",i,data_16x16[num_h][i] );
- end
- end
-
- fork
- forever #T_clk clk = ~clk;
- forever #T_clk_h clk_h = ~clk_h;
- for(int row=0;row<16;row++)
- begin
- automatic int indx = row;
- fork
- begin
- for(int num_h=0;num_h<`NUM_HANZI;num_h++)
- begin
- for(int n =0;n<16;n++)
- begin
- #T_elemt ;
- if(data_16x16[num_h][n][indx]==1)
- flg[15-indx] =1;
- else
- flg[15-indx] =0;
- end
- end
- end
- join_none
-
- end
- join
- end
- always @(posedge clk_h)
- begin
- for(int k =0;k<16;k++)
- if(flg[k]==1)
- sig_16x16[k] = clk;
- else
- sig_16x16[k] = 0;
- end
- endmodule
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