led88.c

C51 写的8*8LED点阵左移拉幕效果代码

#include <EXAM.H>

#define UCHAR unsigned char
#define UINT unsigned int

//const UCHAR dis[11] ={0xD7,0x81,0x5B,0x9B,0x8D,0x9E,0xDE,0x83,0xDF,0x9F,0xff}; //HF-H1.0
sfr COL    = 0x90; //P1
sfr ROW    = 0xA0; //P2

const unsigned char code stdnum[40]={
0xf2,0x92,0x92,0xfe,	//9
0x00,		  
0xc0,0x80,0x9e,0xe0,	//7
0x00,
0xfe,0x82,0x82,0xfe,	//0
0x00,
0x22,0x42,0xfe,0x02,	//1
0x00,
0x22,0x42,0xfe,0x02,	//1
0x00,
0x22,0x42,0xfe,0x02,	//1
0x00,
0xfe,0x82,0x82,0xfe,	//0
0x00,
0xfe,0x92,0x92,0x92,		//E
0x00
};
const unsigned char code initnum[50]={
0xfe,0x82,0x82,0xfe,	//0
0x00,
0x22,0x42,0xfe,0x02,	//1
0x00,
0x9e,0x92,0x92,0xf2,	//2
0x00,
0x92,0x92,0x92,0xfe,	//3
0x00,
0xf0,0x10,0x10,0xfe,	//4
0x00,
0xf2,0x92,0x92,0x9e,	//5
0x00,
0xfe,0x92,0x92,0x9e,	//6
0x00,
0xc0,0x80,0x9e,0xe0,	//7
0x00,
0xfe,0x92,0x92,0xfe,	//8
0x00,
0xf2,0x92,0x92,0xfe,	//9
0x00
};


UCHAR uc_parr[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
unsigned char data timetemp,col,locate=0,initloc=0;
void delay(UCHAR i)
{									
	UCHAR j;
	for(i; i > 0; i--)
		for(j = 250; j > 0; j--);
}

void Timer0_int (void) interrupt 1 using 3	//Timer0 中断处理，
{unsigned char i;						//计数值加一
	TH0 = 0x4c;
	TL0 = 0x00;

	timetemp++;

	if(timetemp==5)
	{
		for(i=0;i<7;i++)
		{
		  uc_parr[i]=uc_parr[i+1];
		}
		if(initloc < 50)
		{
			uc_parr[7]=initnum[initloc];
			initloc++;
		}
		else
		{
			uc_parr[7]=stdnum[locate];
			locate++;
			locate=locate%40;
		}
		timetemp=0;

}
}

main()
 {
	TMOD = 0x01;				//初始化寄存器
	TH0 = 0x4c;			//设定累加时间
	TL0 = 0x00;
	EA = 1;
	ET0 = 1;
	TR0 = 1;

	DIGPORT = 0xFF;
	DIGLED = 0xFF;
	/*DIGLED1 = 0;
	DIGLED2 = 0;
	DIGLED3 = 0;
	DIGLED4 = 0;
	DIGLED  = 0x00;		*/


	for(;;)					//循环执行
	{
/*		DIGPORT = DIGLL;		//显示数据
		DIGLED = ~dis[uc_parr[0]];
		delay(1);

		DIGPORT = DIGLH;
		DIGLED = ~dis[uc_parr[1]];
		delay(1);

		DIGPORT = DIGHL;
		DIGLED = ~dis[uc_parr[2]];
		delay(1);

		DIGPORT = DIGHH;
		DIGLED = ~dis[uc_parr[3]];
		delay(1);  */
		COL = 0xfe;
		ROW = uc_parr[0];
		delay(1);

		COL = 0xfd;
		ROW = uc_parr[1];
		delay(1);

		COL = 0xfb;
		ROW = uc_parr[2];
		delay(1);

		COL = 0xf7;
		ROW = uc_parr[3];
		delay(1);

		COL = 0xef;
		ROW = uc_parr[4];
		delay(1);

		COL = 0xdf;
		ROW = uc_parr[5];
		delay(1);

		COL = 0xbf;
		ROW = uc_parr[6];
		delay(1);

		COL = 0x7f;
		ROW = uc_parr[7];
		delay(1);
	} 
 }