自加计数器c语言程序,计数器 加1 C语言 程序.doc

#include

#include

#define uchar unsigned char

#define uint unsigned int

uchar Count,timecount;

uchar code LEDData[ ] = { 0x28, 0x7E, 0xA2, 0x62, 0x74, 0x61, 0x21, 0x7A, 0x20, 0x60,0xff};//0,1,2,3,4,5,6,7,8,9,关显示，数码管码表

uchar data display[4] = {0x00,0x00,0x00,0x00};

char code SST516[3] _at_ 0x003b;

void Delay(uint num)

{

while( --num );

}

play()

{

display[0]=Count/1000;

display[1]=Count%100/100;

display[2]=Count/10;

display[3]=Count%10;

P0=LEDData[display[3]];

P2=0xef;

Delay(500);

P0=LEDData[display[2]];

P2=0xdf;

Delay(500);

P0=LEDData[display[1]];

P2=0xbf;

Delay(500);

P0=LEDData[display[0]];

P2=0x7f;

Delay(500);

P2=0xff;

}

main()

{

P0=0xff;

P2=0xff;

Count=0x00;

TMOD=0x01;

TH0=0x4c; TL0=0x00;

EA=1; ET0=1; TR0=1;

while(1)

play();

}

void Time0(void) interrupt 1 using 0

{

TH0=0x4c;

TL0=0x00;

timecount++;

if(timecount==5)

{

timecount=0;

Count++;

}

if(Count==9999)

{

Count=0;

}

}