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#include <reg51.h>$ i+ q" i" v. C. H
void delay (unsigned int i)& q7 R8 [3 l* k1 j& H! M+ ?
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unsigned int k;
) K* D! @# n1 ofor (k=0;k<i;k++);
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$ \6 N" H4 H6 l( w3 |; o3 `/ a: {void main(); W4 L- ]2 l' A$ j K
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unsigned char aa,i;2 u2 M: ^2 e6 t9 k
while(1)
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aa=0x80;8 [( i7 a% l, y3 @1 z6 l# x
for(i=0;i<8;i++)1 ~7 N& Y% J$ @) W
{
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delay(25000);5 i& ~* d# t2 Q3 r* ?9 ]. Z
aa>>=1;//左移$ ^$ Q9 w5 }) P2 k; Y+ M e
}
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发表于 2017-10-15 21:28:18
