void loop() {
unsigned char ticks_needed = TICKS_TO_GATHER;
while(1){
doTick(); // 1
doSleep(); // 2
if (q_random() % 4) {
// Be normal. A "second" is 10 ticks long.
for(unsigned char i = 0; i < IRQS_PER_SECOND - 2; i++)
doSleep();
} else {
// This is a special "second" - it's *11* ticks long.
// Every tenth one, we're goging to insert a "stutter tick"
if (--ticks_needed == 0) {
doTick();
for(unsigned char i = 0; i < PAUSE_TICKS; i++)
doSleep();
ticks_needed = TICKS_TO_GATHER;
} else {
doSleep();
}
for (unsigned char i = 0; i < IRQS_PER_SECOND - 2; i++) // yes, -2, not -3.
doSleep();
}
}
}
void loop() {
while(1) {
// Do this about once a minute-ish.
if (q_random() % 30 != 0) {
// a normal second.
doTick();
for(int i = 0; i < IRQS_PER_SECOND - 1; i++)
doSleep();
continue;
}
// Time to play a song!
unsigned int song = q_random() % SONG_COUNT;
unsigned char *current_song = (unsigned char*)pgm_read_ptr(song_table + song);
while(1) {
unsigned char song_data = pgm_read_byte(current_song++);
if (song_data == 0) break; // song over
doTick();
for(int i = 0; i < song_data; i++)
doSleep();
}
}
}