第1个回答 2020-01-01
假如低电平亮灯:
假如低电平点亮指示版灯:
void
main(void
)
{
uchar
select
;
init_t1();
P1=0xff;
while(1)
{
权switch(select)
{
case
0:
P1=0XFE;
break;
case
1:
P1=0XFD;
break;
case
2:
P1=0XFB;
break;
case
3:
P1=0XF7;
break;
case
4:
P1=0XEF;
break;
case
5:
P1=0XDF;
break;
case
6:
P1=0XBF;
break;
case
7:
P1=0X7F;
break;
}
}
}