2020-01-16 18:35发布
liude2006 发表于 2016-9-22 09:15 sbit zheyang_EN = P2^4; //低电平有效 uchar code FFW[8]={0x01,0x03,0x02,0x06,0x04,0x0c,0x08,0x09 ...
最多设置5个标签!
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由P1.0-P1.3切换到P1.4-P1.7，程序中在哪里能体现呢？
我只看到IO口的低四位有变化，高四位一直为0
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