- /*********************************************************************************
- * 【作 者】: 清翔
- * 【外部晶振】: 11.0592mhz
- * 【主控芯片】: STC89C52
- * 【編譯環境】: Keil μVisio3
- * 【程序功能】: 模擬廣告牌的字體流動顯示
- * 【使用說明】: 含有兩個顯示函數,一個為一次在任意位顯示任意數字,
- 一個為一次顯示六個不同數字。
- * 說明:免費開源,不提供源代碼分析.
- **********************************************************************************/
- #include<reg51.h>
- #define uchar unsigned char
- uchar a=0,b=1,c=2,d=3,e=4,f=5,g=6,h=7,temp,key,k,m,n;
- unsigned long i,j;
- sbit dula=P2^6;
- sbit wela=P2^7;
- sbit beep=P2^3;
- unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,
- 0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00};
- //最后一個0x00代表無顯示。
- void delay(unsigned long i)
- {
- for(j=i;j>0;j--)
- for(k=125;k>0;k--);
- }
- void display(uchar wei,uchar shu)//在任意一位顯示任意的數字
- {
- dula=0;
- P0=table[shu];
- dula=1;
- dula=0;
- wela=0;
- switch(wei)
- {
- case 1:
- P0=0xfe;
- wela=1;
- wela=0;
- delay(5);
- break;
- case 2:
- P0=0xfd;
- wela=1;
- wela=0;
- delay(5);
- break;
- case 3:
- P0=0xfb;
- wela=1;
- wela=0;
- delay(5);
- break;
- case 4:
- P0=0xf7;
- wela=1;
- wela=0;
- delay(5);
- break;
- case 5:
- P0=0xef;
- wela=1;
- wela=0;
- delay(5);
- break;
- case 6:
- P0=0xdf;
- wela=1;
- wela=0;
- delay(5);
- break;
- case 7:
- P0=0xbf;
- wela=1;
- wela=0;
- delay(5);
- break;
- case 8:
- P0=0x7f;
- wela=1;
- wela=0;
- delay(5);
- break;
- }
- }
- void display0(uchar a,uchar b,uchar c,uchar d,uchar e,uchar f,uchar g,uchar h)
- { //一次顯示六個數字,且每位顯示數字可自定。
- dula=0;
- P0=table[a];
- dula=1;
- dula=0;
- wela=0;
- P0=0xfe;
- wela=1;
- wela=0;
- delay(5);
- P0=table[b];
- dula=1;
- dula=0;
- P0=0xfd;
- wela=1;
- wela=0;
- delay(5);
- P0=table[c];
- dula=1;
- dula=0;
- P0=0xfb;
- wela=1;
- wela=0;
- delay(5);
- P0=table[d];
- dula=1;
- dula=0;
- P0=0xf7;
- wela=1;
- wela=0;
- delay(5);
- P0=table[e];
- dula=1;
- dula=0;
- P0=0xef;
- wela=1;
- wela=0;
- delay(5);
- P0=table[f];
- dula=1;
- dula=0;
- P0=0xdf;
- wela=1;
- wela=0;
- delay(5);
- P0=table[g];
- dula=1;
- dula=0;
- P0=0xbf;
- wela=1;
- wela=0;
- delay(5);
- P0=table[h];
- dula=1;
- dula=0;
- P0=0x7f;
- wela=1;
- wela=0;
- delay(5);
- }
- void main()
- {
- while(1)
- {
- display(8,0); //一次只有一位在顯示
- delay(500);
- display(7,0); //一次只有一位在顯示
- delay(500);
- display(6,0); //一次只有一位在顯示
- delay(500);
- display(5,0);
- delay(500);
- display(4,0);
- delay(500);
- display(3,0);
- delay(500);
- display(2,0);
- delay(500);
- display(1,0);
- delay(500);
- display(8,1); //一次只有一位在顯示
- delay(500);
- display(7,1); //一次只有一位在顯示
- delay(500);
- display(6,1);
- delay(500);
- display(5,1);
- delay(500);
- display(4,1);
- delay(500);
- display(3,1);
- delay(500);
- display(2,1);
- delay(500);
- display(8,2); //一次只有一位在顯示
- delay(500);
- display(7,2); //一次只有一位在顯示
- delay(500);
- display(6,2);
- delay(500);
- display(5,2);
- delay(500);
- display(4,2);
- delay(500);
- display(3,2);
- delay(500);
- display(8,3); //一次只有一位在顯示
- delay(500);
- display(7,3); //一次只有一位在顯示
- delay(500);
- display(6,3);
- delay(500);
- display(5,3);
- delay(500);
- display(4,3);
- delay(500);
- display(8,4); //一次只有一位在顯示
- delay(500);
- display(7,4); //一次只有一位在顯示
- delay(500);
- display(6,4);
- delay(500);
- display(5,4);
- delay(500);
- display(8,5); //一次只有一位在顯示
- delay(500);
- display(7,5); //一次只有一位在顯示
- delay(500);
- display(6,5);
- delay(500);
- display(8,6); //一次只有一位在顯示
- delay(500);
- display(7,6); //一次只有一位在顯示
- delay(500);
- display(8,7); //一次只有一位在顯示
- delay(500);
- for(m=50;m>0;m--) //借助一次顯示六位函數實現
- {
- display0(16,16,16,16,16,16,16,0); //16代表無顯示
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(16,16,16,16,16,16,0,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(16,16,16,16,16,0,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(16,16,16,16,0,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(16,16,16,0,16,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(16,16,0,16,16,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(16,0,16,16,16,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,16,16,16,16,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,16,16,16,16,16,16,1);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,16,16,16,16,16,1,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,16,16,16,16,1,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,16,16,16,1,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,16,16,1,16,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,16,1,16,16,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,16,16,16,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,16,16,16,16,16,2);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,16,16,16,16,2,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,16,16,16,2,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,16,16,2,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,16,2,16,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,16,16,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,16,16,16,16,3);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,16,16,16,3,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,16,16,3,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,16,3,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,3,16,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,3,16,16,16,4);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,3,16,16,4,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,3,16,4,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,3,4,16,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,3,4,16,16,5);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,3,4,16,5,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,3,4,5,16,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,3,4,5,16,6);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,3,4,5,6,16);
- delay(2);
- }
- for(m=50;m>0;m--)
- {
- display0(0,1,2,3,4,5,6,7);
- delay(2);
- }
- for(n=4;n>0;n--) //閃爍
- {
- for(m=100;m>0;m--)
- {
- display0(0,1,2,3,4,5,6,7);
- }
- for(m=100;m>0;m--)
- {
- display0(16,16,16,16,16,16,16,16);
- }
- }
- }
- }
復制代碼 |