静态数码管显示.txt

c语言程序

#include <reg51.h>
//LCD的口线
sbit E=P3^5;
sbit RW=P3^6;
sbit RS=P3^7;	
//8字LED的连接方法
//P0.7	P.06	P0.5	P0.4	P0.3	P0.2	P0.1	P0.0
// H      G	 F	 E	 D	 C	 B 	 A

unsigned char code ledcode[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,	
			      0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};	//数码管段码表

//函数声明
void delay(void);

void main(void)
{
	unsigned char ledcount;
	E=0;			//取消LCD对LED的影响
	RW=0;
	RS=1;
	while(1)
	{
		P2=0xfe;
		for(ledcount=0x00;ledcount<0x10;ledcount++)
		{
			P0=ledcode[ledcount];
			delay();	
		}
	}
 }

//延时子程序
void delay(void)
{
	unsigned char j,timea=0xfa;
	while(timea--)
	{
		for(j=250;j!=0;j--)
		{;}
	}
}