square wave pulse detector using PIC16F676

 main ()
{
    ANSEL=0b000000;
    ADCON0bits.ADON=0;
    TRISA=0b00010000;
    TRISC=0b00000000;
    T1CON=0b00000000;

    while(1){
        unsigned int Timer1Count;
        TMR1=0;             //clear timer
        while(!RA4);        //wait for high
        T1CONbits.TMR1ON=1; //start timer
        while(RA4);         //wait low
        T1CONbits.TMR1ON=0; //stop timer
        Timer1Count=TMR1;   //copy timer
        // use the timer value here to light LEDs etc.
        if(Timer1Count<=220){
            PORTC=0;
        }
        else if(Timer1Count >= 220){
        PORTC=0b00000001;}
    }
}

 main ()
{
    ANSEL=0b000000;
    ADCON0bits.ADON=0;
    TRISA=0b00010000;
    TRISC=0b00000000;
    T1CON=0b00000000;

    while(1){
        unsigned int Timer1Count;
        TMR1=0;             //clear timer
        while(!RA4){        //wait for high
        T1CONbits.TMR1ON=1;}//start timer
        while(RA4){      //wait low
        T1CONbits.TMR1ON=0; //stop timer
        Timer1Count=TMR1; }  //copy timer
        // use the timer value here to light LEDs etc.
       
        if(TMR1 <= 210){
        PORTC=0b00000000; break;}
   
        else if(TMR1 >=200 && TMR1 <=250 ){
        PORTC=0b00000001;
        }
       else if(TMR1 >250 && TMR1 <=300 ){
        PORTC=0b00000010;
       } 
        else if(TMR1 >300 && TMR1 <=350 ){
        PORTC=0b00000011;
       }
        else if(TMR1 >350 && TMR1 <=410 ){
        PORTC=0b00000100;
      }
        else if(TMR1 >400 && TMR1 <=460 ){
        PORTC=0b00000101;
       }
        else if(TMR1 >450 && TMR1 <=510 ){
            PORTC=0b00000110;       
       }
       else if(TMR1 >540 && TMR1 <=570 ){
        PORTC=0b00000111;
       }
       else if(TMR1 >580 && TMR1 <=610 ){
        PORTC=0b00001000;
      }
       else if(TMR1 >640 && TMR1 <=660 ){
        PORTC=0b00001001;
       }}
    }

    while(1){
        unsigned int Timer1Count;
        unsigned char LED;
        TMR1=0;             //clear timer
        while(!RA4){        //wait for high
        T1CONbits.TMR1ON=1;}//start timer
        while(RA4){      //wait low
        T1CONbits.TMR1ON=0; //stop timer
        Timer1Count=TMR1; }  //copy timer
        // use the timer value here to light LEDs etc.
        Timer1Count-=175;
        LED = Timer1Count/50;
        PORTC=LED;
    }