有占空比的c语言中断程序,51单片机捕捉占空比(仿真+源程序)

#include

#include

#include

#include

#define uchar unsigned char

#define uint  unsigned int

sbit RS=  P2^0  ;

sbit RW=  P2^1  ;

sbit EN=  P2^2  ;

uint cc=0,shidu=0 ;

uchar LCD_LINE_ONE[16]={"     hs1101 "};

uchar LCD_LINE_TWO[16]={"HZ:       hz"};

uchar LCD_LINE_THR[16]={"CAP:      pf"};

uchar LCD_LINE_FOU[16]={"HR:       % "};

uint        Cap0 =        0;

uint        Cap1 =         0;

uint N=0,N1=0,NP1=0 ;

unsigned int        CF1 = 0 ;

void delay( ms )

{

int i ;

while(ms--)

{

for(i=0 ;i<5 ;i++ )  ;

}

}

uchar Read_LCD_State()

{

uchar state;

RS=0;RW=1;EN=