text3.c

51单片计算机中的led程序,在keil工程中编译

#include<reg51.h>
char num;
char code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
char wsle[]={0xff,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};
sbit dula=P2^6;
sbit wela=P2^7;
void delay()
{
	int m;
	for(m=0;m<100;m++);
}
int main()
{
	int i;
	while(1)
	{
		for (i=1;i<=6;i++)
		{
//			delay();
			wela=1;
			P0=wsle[i];
			wela=0;
			dula=1;
			P0=table[i];
			dula=0;
			delay();
		}
	}
	return 0;
}