стабилизатор

#include <mega16.h>
#include <delay.h>
#include <stdlib.h>
#include <math.h>
 
#define ADC_VREF_TYPE 0x20
 
// Alphanumeric LCD Module functions
#asm
   .equ __lcd_port=0x18 ;PORTB
#endasm
#include <lcd.h>
 
 
// Declare your global variables here
 
unsigned int i;
unsigned int f1=0;
unsigned int f2=0;
unsigned int v_in;
unsigned int v_out;
unsigned int volt;
unsigned char fout;
unsigned char er=0; 
unsigned int Vpr=0;