#include <xc.h>
#include <stdio.h>

#define LENGTH 8

unsigned int sum = 0; // Suma liczb 8-bitowych, zapisana w zmiennej 16-bitowej
unsigned char rest = 0;
unsigned char result = 0;
unsigned char read[LENGTH] = {};
unsigned char isFull = 0;
unsigned char index = 0;

void config_ad(void);
void ad_go(void);
void oblicz(void);
void print_results(void);

void main(void) {
    config_ad();
            
    while(1) {
        ad_go();
        while(ADCON0bits.GO)
        {
            read[index] = ADRES;
            index++;
        }
        
        if(!isFull && index == LENGTH - 1) {
            isFull = 1;
        }
        
        if(index == LENGTH - 1) {
            index = 0;
        }
        
        if(isFull) {
            oblicz();
            print_results();
            isFull = 0;
        }        
    }
    
    
    return;
}

void config_ad(void) {
    ADCON0 = 0;
    ADCON1bits.PCFG = 0b100;
    ADCON0bits.ADON = 1;
}

void ad_go(void) {
    ADCON0bits.GO = 1;
}

void oblicz(void) {
    sum = 0;
            
    for(int i = 0; i < LENGTH; i++) {
        sum += read[i];
    }
            
    result = sum / LENGTH;
    rest = sum % LENGTH;
}
 
void print_results(void) {
    printf("result: %u", result);
    printf("rest: %u", rest);
}