單片機(jī)制作的數(shù)字電壓表

#include
unsigned char code dispbitcode[]={0xfe,0xfd,0xfb,0xf7,
????????????????????????????????? 0xef,0xdf,0xbf,0x7f};
unsigned char code dispcode[]={0x3f,0x06,0x5b,0x4f,0x66,
?????????????????????????????? 0x6d,0x7d,0x07,0x7f,0x6f,0x00};
unsigned char dispbuf[8]={10,10,10,10,0,0,0,0};
unsigned char dispcount;
unsigned char getdata;
unsigned int temp;
unsigned char i;
sbit ST=P3^0;
sbit OE=P3^1;
sbit EOC=P3^2;
sbit CLK=P3^3;
void main(void)
{
? ST=0;
? OE=0;
? ET0=1;
? ET1=1;
? EA=1;
? TMOD=0x12;
? TH0=216;
? TL0=216;
? TH1=(65536-4000)/256;
? TL1=(65536-4000)%6;
? TR1=1;
? TR0=1;
? ST=1;
? ST=0;
? while(1)
??? {
????? if(EOC==1)
??????? {
????????? OE=1;
????????? getdata=P0;
????????? OE=0;
????????? temp=getdata*235;
????????? temp=temp/128;
????????? i=5;
????????? dispbuf[0]=10;
????????? dispbuf[1]=10;
????????? dispbuf[2]=10;
????????? dispbuf[3]=10;
????????? dispbuf[4]=10;
????????? dispbuf[5]=0;
????????? dispbuf[6]=0;
????????? dispbuf[7]=0;
????????? while(temp/10)
??????????? {
????????????? dispbuf[i]=temp;
????????????? temp=temp/10;
????????????? i++;
??????????? }
????????? dispbuf[i]=temp;?????????
????????? ST=1;
????????? ST=0;
??????? }
??? }
}
void t0(void) interrupt 1 using 0
{
? CLK=~CLK;
}
void t1(void) interrupt 3 using 0
{
? TH1=(65536-4000)/256;
? TL1=(65536-4000)%6;
? P1=dispcode[dispbuf[dispcount]];
? P2=dispbitcode[dispcount];
? if(dispcount==7)
??? {
????? P1=P1 | 0x80;
??? }
? dispcount++;
? if(dispcount==8)
??? {
????? dispcount=0;
??? }?
}