/**********************SY-1實驗開發(fā)板例程************************
模擬廣告牌的字體流動顯示。
含有兩個顯示函數(shù)，一個為一次在任意位顯示任意數(shù)字，
一個為一次顯示六個不同數(shù)字。
* 平臺：SY-1+STC89C52* 晶振:11.0592MHZ
******************************************************************/
#include<reg51.h>
#define uchar unsigned char
uchar a=0,b=1,c=2,d=3,e=4,f=5,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(shù)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;
}
}
void display0(uchar a,uchar b,uchar c,uchar d,uchar e,uchar f)
{ //一次顯示六個數(shù)字，且每位顯示數(shù)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);
}
void main()
{
while(1)
{
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(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(6,2);
delay(500);
display(5,2);
delay(500);
display(4,2);
delay(500);
display(3,2);
delay(500);
display(6,3);
delay(500);
display(5,3);
delay(500);
display(4,3);
delay(500);
display(6,4);
delay(500);
display(5,4);
delay(500);
display(6,5);
delay(500);
for(m=50;m>0;m--) //借助一次顯示六位函數(shù)實現(xiàn)
{
display0(16,16,16,16,16,0); //16代表無顯示
delay(2);
}
for(m=50;m>0;m--)
{
display0(16,16,16,16,0,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(16,16,16,0,16,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(16,16,0,16,16,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(16,0,16,16,16,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,16,16,16,16,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,16,16,16,16,1);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,16,16,16,1,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,16,16,1,16,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,16,1,16,16,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,1,16,16,16,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,1,16,16,16,2);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,1,16,16,2,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,1,16,2,16,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,1,2,16,16,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,1,2,16,16,3);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,1,2,16,3,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,1,2,3,16,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,1,2,3,16,4);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,1,2,3,4,16);
delay(2);
}
for(m=50;m>0;m--)
{
display0(0,1,2,3,4,5);
delay(2);
}
for(n=4;n>0;n--) //閃爍
{
for(m=100;m>0;m--)
{
display0(0,1,2,3,4,5);
}
for(m=100;m>0;m--)
{
display0(16,16,16,16,16,16);
}
}
}
}
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