0-123,需要三位数码管。
#include<reg51.h>#define uchar unsigned char
uchar distab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00} //0到f
uchar number,dat[3],nn=0,cnt=0
void t0isr() interrupt 1
{
TH0=(65536-5000)/256
TL0=(65536-5000)%256
number++
number%=3
P2=0x01<<number
P0=distab[dat[number]]
cnt++
if(cnt>99)
{
cnt=0
nn++
nn%=124
dat[0]=nn/100
dat[1]=(nn%100)/10
dat[2]=nn%10
}
}
main()
{
TMOD=0x01
TH0=(65536-5000)/256
TL0=(65536-5000)%256
TR0=1
ET0=1
EA=1
while(1)
}
欢迎分享,转载请注明来源:内存溢出
评论列表(0条)