case命令 piggycase case of是什么指令?當(dāng)點(diǎn)=1時(shí),打開(kāi)電機(jī)1;當(dāng)點(diǎn)=2時(shí),打開(kāi)電機(jī)2,復(fù)位電機(jī)1。現(xiàn)在的問(wèn)題是當(dāng)M_u點(diǎn)=1時(shí),電機(jī)2不能復(fù)位,但當(dāng)M_u點(diǎn)=2時(shí),電機(jī)1可以復(fù)位。... 2021-03-17 1760次瀏覽