PIC16F628单片机频率计数器的制作(3)_haoDIY创好电子音响电脑科技DIY小制作发明

control=1;

CCP1IF=0;

GIE=1;

}

//---------------------------------------------

// MAIN PROGRAM

//---------------------------------------------

main(void)

{

unsigned const char number[10]={0x3F,0x06,0x5B,

0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};

unsigned char select[4]={1,2,4,8};

unsigned int counter,value,remainder1,remainder2;

float frekans;

unsigned char a,i,display[5],data;

TRISA=0x00;

TRISB=0x08;

CMCON=0x07;

cont=0;

PORTA=0; PORTB=0

CCP1IE=1;

CCP1CON=0b00000110;

T1CON=0b00100001;

GIE=1;

PEIE=1;

for(;;){

counter=256*CCPR1H+CCPR1L;

if(control==1)frequency=100000000/counter;

if(kontrol==0)frequency=0;

if(counter<10000)frequency=0;

control=0;

for(a=0;a<25;a++){

value=(int)frequency;

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