File content as of revision 2:684c698024c4:

#include "mbed.h"
#include "C12832_lcd.h"


C12832_LCD lcd;
Timeout increment;
BusIn up(p15);
BusIn down(p12);
BusIn left(p13);
BusIn right(p16);
BusIn centre(p14);

int hours=0;
int minutes=0;
bool toggle=false;

// How to detect if up is hold not press?

if (up){ // switching between increasing hrs and minutes
        if (left) {
        inc_hrs(); 
        }
    else if (right){
        inc_min();
        }
    }


if (down) //switching between decreasing minutes and hours
{
    if (left) {
        inc_hrs();
    } else if (right) {
        inc_min();
    }
}
/**
    Adjust minutes
*/
void adj_min()
{
    if (minutes>59) {
        minutes=0;
    } else if (minutes<59) {
        minutes=0;
        )
}
/**
    adj hrs
*/
void adj_hrs()
{
    if (hours>23) {
        hours=0;
        }
        else if (hours<23) {
        hours=0;
        )
}

/**
    Increment minutes
*/
void inc_min()
{
    minutes++;
    adj_min();

}
void inc_hrs()
{
    hours++;
    adj_hrs();

}
//function for decrementing 
/**
    Main entry point
*/
int main()
{
    while(true) {
        increment.attach(&inc_min, 60.0);
    }

    lcd.cls();
    lcd.locate(0,15);

// Check if minutes are less than 10 so a 0 can be prefixed onto the display
    string mins = "00"; // String to display in lcd screen

    if(minutes < 10) {
        mins = "0" + minutes;
    } else {
        mins = minutes;
    }
    lcd.printf("%s", mins);

}
}