/* 
 
Program:        main.c 
Description:    Timer program for UV-box 
PIC:            16F628 
IDE:            MPLAB 
Compiler:        Hi - Tech C 
Date:            Nov 2010 
Author:            Jens Christoffersen 
web:            www.nerdegutta.org 
 
*/ 
 
#include  <htc.h>
#define _XTAL_FREQ 4000000 
 
/* Configuration */ 
 
__CONFIG    (WDTDIS & 
 PWRTEN & 
 MCLREN & 
 BOREN & 
 LVPDIS & 
 DATUNPROT & 
 UNPROTECT & 
 XT); 
 
/* Prototyping the functions */ 
void lightLED(); 
void beep(); 
 
/* Global variables */ 
unsigned char i; 
 
/* Functions */ 
void lightLED() 
{ 
 PORTB = 0b00000011; // Setting bit 0 to HIGH 
 __delay_ms(1000); 
 
 PORTB = 0b00000000; // Setting all bits to LOW 
} // end lightLED 
 
 
void beep() 
{ 
 for (i=0;i<125;i++) 
 { 
 PORTB = 0b00000100; // Setting bit 1 to HIGH 
 __delay_ms(1); 
 
 PORTB = 0b00000000; // Setting bit 1 to LOW 
 __delay_ms(1); 
 
 } // end for-loop 
} // end beep 
 
/* Main program */ 
void main() 
{ 
TRISA = 0b11111111;    // Setting all bits on port a to input 
TRISB = 0b00000000;    // Setting all bits on port b to output 
 
PORTA = 0b00000000; // Setting all bits on port a to LOW 
PORTB = 0b00000000;    // Setting all bits on port b to LOW 
 
CMCON = 0x07;    // Disabling the analogue comparators 
 
while (1) 
{ 
 if (RA0) 
 { 
 
 for(i=0;i<2;i++) // Create a delay for 2 seconds 
 { 
 lightLED(); 
 } // end for-loop 
 beep(); 
 } // end if 
 
 if (RA1) 
 { 
 
 for(i=0;i<120;i++) 
 { 
 lightLED(); 
 } // end for-loop 
 beep(); 
 } // end if 
 
 if (RA2) 
 { 
 
 for(i=0;i<240;i++) 
 { 
 lightLED(); 
 } // end for-loop 
 beep(); 
 } // end if 
 
 if (RA3) 
 { 
 
 for(i=0;i<240;i++) 
 { 
 lightLED(); 
 } // end for-loop 
 for (i=0;i<120;i++) 
 { 
 lightLED(); 
 } 
 beep(); 
 } // end if 
 
 if (RA4) 
 { 
 
 for(i=0;i<240;i++) 
 { 
 lightLED(); 
 } // end for-loop 
 for(i=0;i<240;i++) 
 { 
 lightLED(); 
 } 
 beep(); 
 } // end if 
 if (RB7) 
 { 
 for (i=0;i<60;i++) 
 { 
 lightLED(); 
 } 
 beep(); 
 } 
 
} // end while 
 
}  //end main