部分源程序如下： //=================测速计数处理=================================== void timer1()interrupt 3 {time1++;} //+++++++++++++++++测速转换处理+++++++++++++++++++++++ void int1()interrupt 2 { long kA=0; uchar temp; TR1=0; if(SP_bit==0) {TR1=1;SP_bit=1;} else {