[necati]

#include <16f628.H>
#use   delay(clock=4000000)//
#fuses NOPROTECT,NOWDT,PUT,noBROWNOUT,noLVP,NOMCLR,xt
#BYTE     PORT_A=0X05
#BYTE     PORT_B=0X06
/***entegreterbiyecisi@yahoo.com***//***entegreterbiyecisi@yahoo.com***/
// LCD STUFF
#define LCD_RS      PIN_b0
#define LCD_EN      PIN_b1
#define LCD_D4      PIN_b2
#define LCD_D5      PIN_b3
#define LCD_D6      PIN_b4
#define LCD_D7      PIN_b5
#define FIRST_LINE  0x00
#define SECOND_LINE 0x40
#define CLEAR_DISP  0x01
#define CURS_ON     0x0e
#define CURS_OFF    0x0c
/***entegreterbiyecisi@yahoo.com***/
#use standard_io ( a )
#use standard_io ( b )
/***entegreterbiyecisi@yahoo.com***/
// proto statements
void LCD_Init        ( void );
void LCD_SetPosition ( unsigned int cX );
void LCD_PutChar     ( unsigned int cX );
void LCD_PutCmd      ( unsigned int cX );
void LCD_PulseEnable ( void );
void LCD_SetData     ( unsigned int cX );
/***entegreterbiyecisi@yahoo.com***//***entegreterbiyecisi@yahoo.com***/
/*************************entegreterbiyecisi@yahoo.com******************************/
int32 ab=0,hz=0;
int1 stept_say=0,data_bitti=0,step,aa=0;
int16 sayi=0,tr=20;
/*************************entegreterbiyecisi@yahoo.com******************************/
#int_timer1
tas(){
ab++;
}
#int_timer0
sn(){sayi=0;
 set_timer0(61);//(255-60)*195*20=1000000us=dahili 1sn icin
 if(tr){ tr--;}
 else{delay_us ( 698 );
      output_low(pin_a0);
      disable_interrupts (global);
      disable_interrupts(int_timer0);
      disable_interrupts(int_timer1);
      sayi=get_timer1();
      aa=1;
      hz=sayi+(65536*ab);
      tr=20;
                              }}
/*************************entegreterbiyecisi@yahoo.com******************************/
   void main() {

      setup_timer_1(t1_external|t1_div_by_1);
      setup_timer_0 (RTCC_INTERNAL|RTCC_DIV_256);
      enable_interrupts(int_timer0); // timer0
      enable_interrupts(int_timer1);
      enable_interrupts(global);
      lcd_init();
      SET_TRIS_A(0b00100000);
      SET_TRIS_B(0b11000000);
      set_timer0(61);
      set_timer1(0);

      LCD_SetPosition(first_LINE+0);
      printf(lcd_putchar,"\NECATi KIYLIOGLU ");
      LCD_SetPosition(second_LINE+1);
      printf(lcd_putchar,"\ 0532 613 65 87");
      delay_ms (500);
      LCD_PutCmd ( CLEAR_DISP );
      sayi=0;
      hz=0;
/*************************entegreterbiyecisi@yahoo.com******************************/
while(true){
   if(aa==1){
      //LCD_PutCmd ( CLEAR_DISP );
      LCD_SetPosition(first_LINE+0);
      printf(lcd_putchar,"\FREQUENCYMETER     ");

    if(999>=hz){
      LCD_SetPosition(second_LINE+0);
      printf(lcd_putchar,"\FRQ=%ldHz          ",hz);}
      //////////////////////////////////////////
    if(hz>=1000){
    if(999999>=hz){
      LCD_SetPosition(second_LINE+0);
      printf(lcd_putchar,"\FRQ=%3.3wKhz         ",hz);}}
      /////////////////////////////////////////////
    if(hz>=1000000){
      LCD_SetPosition(second_LINE+0);
      printf(lcd_putchar,"\FRQ=%2.6wMhz          ",hz);}
      ////////////////////////////////////////////
      delay_ms (1);

      set_timer1(0);
      enable_interrupts(int_timer0);
      enable_interrupts(int_timer1);
      enable_interrupts (global);
      aa=0;
      ab=0;
      }
             }}
/*************************entegreterbiyecisi@yahoo.com******************************/
/***entegreterbiyecisi@yahoo.com***/ //lcd basla
void LCD_Init ( void ){
    LCD_SetData ( 0x00 );
    output_low ( LCD_RS );
    LCD_SetData ( 0x03 );   // init with specific nibbles to start 4-bit mode
    LCD_PulseEnable();
    LCD_PulseEnable();
    LCD_PulseEnable();
    LCD_SetData ( 0x02 );   // set 4-bit interface
    LCD_PulseEnable();      // send dual nibbles hereafter, MSN first
    LCD_PutCmd ( 0x2C );    // function set (all lines, 5x7 characters)
    LCD_PutCmd ( 0x0C );    // display ON, cursor off, no blink
    LCD_PutCmd ( 0x01 );    // clear display
    LCD_PutCmd ( 0x06 );    // entry mode set, increment
    }
/***entegreterbiyecisi@yahoo.com***/
void LCD_SetPosition ( unsigned int cX )
    {
    // this subroutine works specifically for 4-bit Port A
    LCD_SetData ( swap ( cX ) | 0x08 );
    LCD_PulseEnable();
    LCD_SetData ( swap ( cX ) );
    LCD_PulseEnable();
    }
/***entegreterbiyecisi@yahoo.com***/
void LCD_PutChar ( unsigned int cX )
    {
    // this subroutine works specifically for 4-bit Port A
    output_high ( LCD_RS );
    LCD_SetData ( swap ( cX ) );     // send high nibble
    LCD_PulseEnable();
    LCD_SetData ( swap ( cX ) );     // send low nibble
    LCD_PulseEnable();
    output_low ( LCD_RS );
    }
/***entegreterbiyecisi@yahoo.com***/
void LCD_PutCmd ( unsigned int cX )
    {
    // this subroutine works specifically for 4-bit Port A
    LCD_SetData ( swap ( cX ) );     // send high nibble
    LCD_PulseEnable();
    LCD_SetData ( swap ( cX ) );     // send low nibble
    LCD_PulseEnable();
    }
/***entegreterbiyecisi@yahoo.com***/
void LCD_PulseEnable ( void )
    {
    output_high ( LCD_EN );
    delay_us ( 100 );
    output_low ( LCD_EN );
    delay_ms ( 5 );
    }
/***entegreterbiyecisi@yahoo.com***/
void LCD_SetData ( unsigned int cX )
    {
    output_bit ( LCD_D4, cX & 0x01 );
    output_bit ( LCD_D5, cX & 0x02 );
    output_bit ( LCD_D6, cX & 0x04 );
    output_bit ( LCD_D7, cX & 0x08 );
    }
/***entegreterbiyecisi@yahoo.com***/ //lcd son
////////////////////////////////////////////////////////////////////////////