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简单点的:
/ R: }4 S r4 J4 o+ t0 Y2 Nif(P52_Down) light500ms++;
$ k# r: }! o: x3 rif(P53_Down) light500ms--;2 x( g0 e4 ]8 _
3 k, @/ t& _) j
严谨一点的:3 \2 @5 {, S! [
if(P52_Down)- T3 v9 D: Z7 O2 c1 f
{
- J/ _: Q: C; ^5 Q if(light500ms < MAX) light500ms++;
( S- S% J$ q$ P f2 \ P52_Down = 0;% y& r+ A! \+ \: r( H. P$ w
}
9 f. m9 v* F" ^2 D$ d {if(P53_Down) light500ms--;
9 a7 C! a+ s: V( j3 X{
3 m: Q- ?! D8 ~5 L$ z7 l if(light500ms > MIN)light500ms--;; U, _# W" T/ Z3 b, O* v+ m$ ?
P53_Down = 0;& s/ Y7 ?" S) M. |$ D
} |
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