点阵显示0
#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit en1=P2^3;
sbit en2=P2^0;
sbit rs=P3^6;
uchar table1[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
uchar table2[]={0x00,0x00,0x3e,0x41,0x41,0x41,0x3e,0x00};
void delay(uint a)
{
while(a--);
}
void main()
{
uchar i;
en1=1;
en2=1;
rs=0;
while(1)
{
for(i=0;i<8;i++)
{
P0=table1[i];
P1=table2[i];
delay(40);
}
}
}