leddisplay.c

实现单片机按键值得获取

#include<reg52.h>
#define uint unsigned int 
#define uchar unsigned char
uchar num;
uchar code table[]=
{
	0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff
};
void delay(uint) ;
void main()
{
	P2=0xaa;
	while(1)
	{
		for(num=0;num<11;num++)
		{
			P0=table[num];
			delay(10000);
		}	
	}
}
void delay(uint z)
{
	uint x,y;
	for(x=100;x>0;x--)
		for(y=z;y>0;y--);
}


/*0c0h 0f9h 0a4h 0b0h 99h 92h 82h 0f8h 80h 90h 0FFH
    0   1    2    3    4   5   6   7    8   9  消隐    */