输入捕捉IC1 不起作用

竹本选

#include <hidef.h>      /* common defines and macros */
#include "derivative.h"      /* derivative-specific definitions */
    #include "CAP.h"
   
#define k       4
unsigned int dt0,dt1;
unsigned int time01,time11;
unsigned int time02,time12;
int T0,T1;
int v0,v1;
void main(void) {
  /* put your own code here */
  
     P0_4ms_Init();
     P1_4ms_Init();
     CAPInit();
EnableInterrupts;

  for(;;) {
  
    //k=(2*3*radius)/chishu;
   T0=8*dt0/1000;
   T1=8*dt1/1000;
  
   v0=(k/T0)*10; // unit:m/s
  
                     
    _FEED_COP(); /* feeds the dog */
  } /* loop forever */
  /* please make sure that you never leave main */
}   
   
#pragma CODE_SEG __NEAR_SEG NON_BANKED
void  interrupt 8 capture0_ISR()
{
TFLG1_C0F = 1;
time01 = time02;               //记录上一时刻的捕捉值
time02 = TC0;                 //读取这一次的捕捉值
dt0= time02-time01;     //计算时间差
}

#pragma CODE_SEG __NEAR_SEG NON_BANKED
void  interrupt 9 capture1_ISR()
{

TFLG1_C1F = 1;
time11 = time12;               //记录上一时刻的捕捉值
time12 = TC1;                 //读取这一次的捕捉值
dt1= time12-time11;     //计算时间差
}

竹本选

单独使用IC0，IC1 都可以，合起来就不行