public void run(){

int led = 0;

int dir = 1;

int t;

while(true){

UC.gpioSetHi(3, led, true);

t = UC.clkGet();

while(UC.clkGet() - t < 1953); //10 LED switches per second

UC.gpioSetHi(3, led, false);

led += dir;

if(led < 0 || led > 7){

dir = -dir;

led += 2 * dir;

}

}

}

{

private static synchronized void lcdString(int row, int col, String s){

int i, L = s.length();

UC.lcdGotoXY(col, row);

for(i = 0; i < L; i++) UC.lcdChar(s.charAt(i));

}

private static void lcdCenteredString(int row, String s){

int L = s.length();

if(L > 16) return;

lcdString(row, (16 - s.length()) / 2, s);

}

public void run(){

int cand, t;

final String rotChars[] = {"\0", "\1", "\2", "\3"};

int rotIdx = 0;

int animCtr = 0;

//if we already ran, we'd have a candidate in the eeprom - read it

cand = 0;

for(t = 0; t < 4; t++) cand = (cand << 8) + UC.eepromRead(t);

//if cand is 0xFFFFFFFF (that is, negative 1), then we had no candidate and strat from scratch

if(cand < 0) cand = 1;

while(true){

cand++;

for(t = 2; t < cand; t++){

if((cand % t) == 0) break;

if(++animCtr == 100){

animCtr = 0;

lcdString(1, 15, rotChars[rotIdx]);

if(++rotIdx == rotChars.length) rotIdx = 0;

}

}

if(t == cand){

lcdCenteredString(1, intToString(cand));

//save the value to EEPROM

for(t = 0; t < 4; t++) UC.eepromWrite(3 - t, (byte)(cand >> (t << 3)));

}

}

}

private static void initCustomChars(){

//see here for help: http://www.quinapalus.com/hd44780udg.html

int i, j;

final byte customChars[][] = {

{0x00, 0x0E, 0x15, 0x15, 0x11, 0x0E, 0x00, 0x00},

{0x00, 0x0E, 0x11, 0x17, 0x11, 0x0E, 0x00, 0x00},

{0x00, 0x0E, 0x11, 0x15, 0x15, 0x0E, 0x00, 0x00},

{0x00, 0x0E, 0x11, 0x1D, 0x11, 0x0E, 0x00, 0x00}

};

//init custom LCD characters 1..4

UC.lcdRawWrite(0x40); //enter configuration mode

for(i = 0; i < customChars.length; i++){

for(j = 0; j < customChars[i].length; j++){

UC.lcdChar((char)customChars[i][j]);

}

}

UC.lcdRawWrite(0x80); //exit configuration mode

}

public static void main(){

int h = 0, m = 0, s = 0, d, t, L;

char hc1, hc2;

Thread primeThread, ledThread;

String time;

//init things

initCustomChars();

UC.lcdClear();

for(t = 0; t < 8; t++){

UC.gpioSetOutput(3, t, false); //use pull-ups to light leds

UC.gpioSetHi(3, t, false);

}

UC.pwmSetBri(1, 64);

UC.pwmSetBri(0, 1);

//start the other threads

primeThread = new Thread(new DianaTest());

ledThread = new Thread(new LedRunner());

//adc test

{

UC.rawMemWrite(0x7C,(byte)0x5E); //ADMUX: measure 1.1V with ref at Vcc

UC.rawMemWrite(0x7A,(byte)0xC7); //ADCSRA: ADC on, single conversion, no int, 1:128 prescaler

while((UC.rawMemRead(0x7A) & 0x40) != 0); //wait

t = UC.rawMemRead(0x79); //read result.hi

t <<= 8;

t += UC.rawMemRead(0x78); //read result.lo

t = (1024 * 1100 + (t >> 1)) / t;

lcdCenteredString(0, "Batt: " + intToString(t / 1000) + "." + intToString(t % 1000) + "V");

t = UC.clkGet();

while(UC.clkGet() - t < 39063); //wait 2 sec

}

//begin clock work

d = UC.clkGet();

while(true){

t = h % 12;

if(t == 0) t = 12;

time = intToString(t / 10) + intToString(t % 10);

time += ":" + intToString(m / 10) + intToString(m % 10);

time += ":" + intToString(s / 10) + intToString(s % 10);

time += " " + (h >= 12 ? "PM" : "AM");

lcdCenteredString(0, time);

if(60 == ++s){

s = 0;

if(60 == ++m){

m = 0;

if(24 == ++h) h = 0;

}

}

while((t = UC.clkGet()) - d < 19531);

d = d + 19531;

}

}

public static String intToString(int v){

int t;

int len = 0;

byte [] ret;

boolean neg = false;

if(v < 0){

neg = true;

len++;

v = -v;

}

t = v;

do{

len++;

t /= 10;

}while(t != 0);

ret = new byte[len];

do{

ret[--len] = (byte)((v % 10) + (int)'0');

v /= 10;

}while(v != 0);

if(neg) ret[--len] = '-';

return uj.lang.MiniString.Xnew_(ret);

}

}