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2017-04-20
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38译码器控制LED灯每次亮一个
void main（）
{
char i;
P0=0xfe;
// P2=0x7f; // 0111 1111
while（1）{
//P2=_cror_（P2，1）;
for（i=0;i《8;i++）
{P2=i;
delay1ms（500）;}
}
void main（）
{
char i;
while（1）{
for（i=0;i《8;i++）
{P2=i，
P0=DIS_SEG7［i］;
delay1ms（500）;}
}
}a
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jjzn123
2022-08-23
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