ADC0809资料及C语言驱动程序(4)

TH0=(65536-4000)/256; TL0=(65536-4000)%256; TR0=1;

ET0=1;

EA=1;

P3=channel;

while(1)

{

ST=0;

ST=1;

ST=0;

while(EOC==0);

OE=1;

getdata=P0;

OE=0;

dispbuf[2]=getdata/100; getdata=getdata%10;

dispbuf[1]=getdata/10; dispbuf[0]=getdata%10; }

}

void t0(void) interrupt 1 using 0 {

TH0=(65536-4000)/256; TL0=(65536-4000)%256;

P1=dispcode[dispbuf[dispcount]]; P2=dispbitcode[dispcount]; dispcount++;

if(dispcount==8)

{

dispcount=0;