File content as of revision 0:34bc6102fcfb:

/*
* Nenad Tepavac 2020/0028
* Etf Beograd
*/

/*
* Biblioteke
*/
#include "mbed.h"

/*
* Makroi
*/
#define NULA 0xC0
#define KEC 0xF9
#define DVA 0xA4
#define TRI 0xB0
#define CTR 0x99
#define PET 0x92
#define SES 0x82
#define SEAM 0xF8
#define OSAM 0x80
#define DE 0x90


BusOut display(PA_10, PA_9, PA_8,PB_10,PB_5, PB_4, PB_3, PB_6, PC_7);
DigitalIn btn(BUTTON1);
DigitalIn sw(PC_9);

DigitalIn btn2(PC_8);

int c = 0;
int b = 0;
int b2 = 0;
int s = 0;
    
void increment(){
    c++;
    if(c > 15)
        c = 0;
        
    switch(c){
        case 0:
            display.write(NULA);
            break;
        case 1:
            display.write(KEC);
            break;
        case 2:
            display.write(DVA);
            break;
        case 3:
            display.write(TRI);
            break;
        case 4:
            display.write(CTR);
            break;
        case 5:
            display.write(PET);
            break;
        case 6:
            display.write(SES);
            break;
        case 7:
            display.write(SEAM);
            break;
        case 8:
            display.write(OSAM);
            break;
        case 9:
            display.write(DE);
            break;
    }  
}

void decrement(){
    c--;
    c--;
    
    if(c  == -2)
        c = 14;
    
    increment();    
}
    
int main(){
    display.write(NULA);
    
    while(true){
        if(!btn){
             b = 1;
        }
        if(btn && b == 1){
            b = 0;
            increment();
        }
        
        if(!sw){
             s = 1;
        }
        if(sw && s == 1){
            s = 0;
            increment();
        }
        
        
        if(btn2){
             b2 = 1;
        }
        if(!btn2 && b2 == 1){
            b2 = 0;
            decrement();
        }
        
        if(c > 9){
            display.write(0b101111001);
            wait_ms(5);
            if(c == 10)
            display.write(NULA);
            if(c == 11)
            display.write(KEC);
             if(c == 12)
            display.write(DVA);
            if(c == 13)
            display.write(TRI);
            if(c == 14)
            display.write(CTR);
            if(c == 15)
            display.write(PET);
            wait_ms(5);
        }
    }
    
}