STC单片机PCA捕获中止函数

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**函数称号：void PCA_Capture_Int();**功用描绘：PCA捕获中止函数，扩展32位计数**说    明：中止发生后，计数器将32计数成果高位写入/***************************************************/void PCA_Capture_Int(){//PCA捕获中止if(CR){//假如计数器溢出PCA_0.Dou_L++;                 //模块0高位暂时变量自加PCA_1.Dou_L++;                 //模块1高位暂时变量自加}if(CCF0){//假如模块0引脚承受中止CCF0 = 0;                      //清中止PCA_0.Match = CCAP0H;PCA_0.Match <<= 8;PCA_0.Match &= CCAP0L;         //低位保存PCA_0.Dou_H = PCA_0.Dou_L;     //高位保存PCA_0.Dou_L = 0;              //清空高位自加容器}if(CCF1){//假如模块1引脚承受中止CCF1 = 0;                     //清中止PCA_1.Match = CCAP1H;PCA_1.Match <<= 8;PCA_1.Match &= CCAP1L;        //低位保存PCA_1.Dou_H = PCA_1.Dou_L;    //高位保存PCA_1.Dou_L = 0;              //清空高位自加容器}}