Autonom robotväckarklocka med trådlös basstation - KTH

}
send_spi(set[0]);
send_spi(set[2]);
send_spi(set[1]);
void text(char *str, int xcol, int ypage){
goto_xy(xcol, ypage);
int a, i;
int j = xcol;
char c, dots;
char *ptr = str; // pointer
while(*ptr != 0){ // untill null (end of text)
DATA;
send_spi(0x00); // space between letters
c = *ptr; // present letter
a = (c - 32)*5; // get ascii equivelent of char,
substract 32 for table address
ptr++;
}
for(i = 0; i < 5; i++){
dots = ASCII5_7[a+i]; // font 5x7
send_spi(dots);
}
j += 6;
if(j == 123){
goto_xy(xcol, ypage++);
}
}
//------------------------------------------------------------
// ADC
//------------------------------------------------------------
volatile unsigned char xpos(){ // get x-coordinate
DDRA = 0x00; // "reset"
PORTA = 0x00;
_delay_ms(20);
DDRA = (1