Autonom robotväckarklocka med trådlös basstation - KTH

ISR(TIMER2_COMPA_vect){ // interrupt when timer hits 32
sekunder ++;
adjustTime();
}
void adjustTime(){
while(sekunder >= 60){
sekunder -=60;
minuter ++;
while(minuter >= 60){
minuter -= 60;
timmar++;
while(timmar >= 24){
timmar -= 24;
}
}
}
}
void initRealtime(){
ASSR |= 0b00100000; // Timer/Counter2 is clocked from a crystal
oscillator 32.768kHz
_delay_ms(100);
TCCR2A = 0b00000010; // counting sequence of the counter
TCCR2B = 0b00000111; // clk/1024 -> 32768/1024 = 32 cycles/sec
OCR2A = 32; // reset timer every 32 cycle
TIMSK2 =0b0000010; // Timer/Counter2 Output Compare Match A
Interrupt Enable
}
void numpad(){
}
text(" 1 2 3",0,1);
text(" 4 5 6",0,3);
text(" 7 8 9",0,5);
text(" clr 0 set",0,7);
void updatetime(char tim, char min, char sek){
char t[4], m[4], s[4];
itoa(tim, t, 10);
if(tim < 10){
t[1] = ' ';
t[2] = 0;
}
text(t,12,3);
itoa(min, m, 10);
if(min < 10){
m[1] = ' ';