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程序就下面這一段用到了P3
- if((P3!=0xff)||(P4!=0xff))//出現(xiàn)故障
- {
- P0=Value1;
- P2=Value2;
- for(i=0;i<8;i++)
- {
- if((Value1&0x01)==0)
- {
- Malfunction_Buffer[2][i]+=1; //哪只霍爾出現(xiàn)故障，故障次數(shù)+1
- Num_Malfunction++; //總故障+1
- }
- if((Value2&0x01)==0)
- {
- Malfunction_Buffer[3][i]+=1;
- Num_Malfunction++;
- }
- Value1>>=1;
- Value2>>=1;
- }
- }
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