void check_button();
void OFF();
//unsigned char
void inti_m();
unsigned short SECOND,cnt,minu,h,m;
int*MINUTE=1,HOUR=0,oldstate;
void min_init();
//void
void interrupt()
{
cnt++ ;
PIR1.TMR1IF = 0; // clear TMR1IF
TMR1H = 0x0B;
TMR1L = 0xF7;
if (cnt == 2) { // if cnt is 76
SECOND++;
cnt = 0; // reset cnt
if (SECOND==60)
{
SECOND=0; //reset SECOND
// m++;
// if(m==1)
// { m=0;
min_init() ; //GO TO min_init() function
//PORTB =~PORTB;
// }
}
}

}
void main()
{
inti_m();
check_button();

do{

if(PORTB.F0==0)
{check_button();
}
else if (PORTB.F0==1)
{
OFF();
}
}
while(1);

}

void inti_m()
{
//OPTION=0x40;
TRISB=0x00;
TRISC=0xFF;
PORTB=0xF0;
//PORTC=0x00;

TMR1H = 0x0B; // Initialize Timer1 register
TMR1L = 0xFD;

cnt = 0; // initialize cnt
INTCON = 0xC0; // Set GIE, PEIE
//PORTB = 0xF0; // Initialize PORTB
SECOND=0;
m=0;
minu=0;


}
void check_button()
{
for(;;)
{
if (PORTC.F0==1)
{ // Delay_ms(10);
// if(PORTB==0){
//if ( Button(&PORTB, 0, 1, 0)) {
PORTB.F0=1;
PIE1.TMR1IE = 1; // enable Timer1 interrupt
T1CON.T1CKPS1=1;
T1CON.T1CKPS0=1;
T1CON.T1OSCEN=1;
T1CON.TMR1ON = 1; // Timer1 settings
PIR1.TMR1IF = 0; // clear TMR1IF
/*}
else
{
OFF();
} */
break;
}
}
}

void min_init()
{
minu++;
if (minu>=MINUTE)
{ minu=0;
PORTB.F0 =0;
T1CON = 0;

}
// return 0;
}
void OFF()
{if(PORTC.F0==1)
{ PORTB=0;
T1CON = 0;
//INTCON.RBIF=0;
}
}

 

while(1){
     while(PORTB.F0==0); //Wait for keypress
     check_button();   //Keypressed start timer
     while(PORTB.F0);     //Wait for release
     while(PORTB.F0==0); //wait for keypress again
     OFF();       //key pressed stop timer
     while(PORTB.F0); //wait for release
}