cap.c

这里面包括所有的DSP程序例程

#include "DSP28_Device.h"

void Capinit(void)
{  
   EALLOW;  
   EvaRegs.CAPCON.bit.CAPRES=0;
   //EvaRegs.CAPCON.bit.CAP12EN=1; 
   //EvaRegs.CAPCONA.bit.CAP1EN=1=1;//cap1~2使能  
   EvaRegs.CAPCON.bit.CAPQEPN=1;//cap1~2使能
   EvaRegs.CAPCON.bit.CAP3EN=1;   //cap3使能
   EvaRegs.CAPCON.bit.CAP12TSEL=1;//选择定时器2作为时基
   EvaRegs.CAPCON.bit.CAP3TSEL=1;
   EvaRegs.CAPCON.bit.CAP1EDGE=1;  //双沿捕获
   EvaRegs.CAPCON.bit.CAP2EDGE=1;
   EvaRegs.CAPCON.bit.CAP3EDGE=1;
 
   EvaRegs.EVAIFRC.bit.CAP1INT=1; //清除中断标志 
   EvaRegs.EVAIFRC.bit.CAP2INT=1;
   EvaRegs.EVAIFRC.bit.CAP3INT=1;
   EvaRegs.EVAIMRC.bit.CAP1INT=1; //中断使能
   EvaRegs.EVAIMRC.bit.CAP2INT=1;
   EvaRegs.EVAIMRC.bit.CAP3INT=1;   
   
   EvaRegs.CAPFIFO.bit.CAP1FIFO =1;
   EvaRegs.CAPFIFO.bit.CAP2FIFO =1;
   EvaRegs.CAPFIFO.bit.CAP3FIFO =1;
   EDIS;
   
}