void change_light_mode(){
get_lcd()->clear();
get_lcd()->setCursor(0,0);
get_lcd()->print("Light mode");
get_lcd()->setCursor(11,1);
if(light_mode == AUTO){
light_mode = ON;
get_lcd()->print("ON");
}
else if(light_mode == ON){
light_mode = OFF;
get_lcd()->print("OFF");
}
else{
light_mode = AUTO;
get_lcd()->print("AUTO");
}
auto_time = -60000; // So that auto mode activates directly
light_cycle();
long int wait = millis();
while(millis() - wait < 1500 ){
// Wait 1500 ms
if(millis() - wait > 300){
if(check_button(button_2, change_light_mode)){
break;
}
}
}
}
boolean light (byte led) {
int i;
tune_playscore (light_sound);
led_lighting = led;
led_on[led] = true;
lighting_skips = MAX_BRIGHTNESS_CYCLE_SKIPS; // start with maximum minor cycle skips
lighting_skipcount = 0;
do {
for (i=0; i<CYCLES_PER_BRIGHTNESS_INCREMENT; ++i)
if (light_cycle()) return true; // stop if button pushed
--lighting_skips; //gradually reduce minor cycle skips
} while (lighting_skips>0);
led_lighting = 0xff; // nothing lighting up now
return false;
}
int main (void) {
byte led, night, i;
boolean center_shamas; // candle lighter is LED 8, not LED 4
unsigned long sleepcounter;
// Clear watchdog timer-- this can prevent several things from going wrong.
MCUSR &= 0xF7; //Clear WDRF Flag
WDTCSR = 0x18; //Set stupid bits so we can clear timer...
WDTCSR = 0x00;
MCUCR &= 0xCF; //Disable sleep mode
init_timers(); // initialize both timers, for music and for delays
// configure I/O ports
restart:
DDRA = (1<<SPEAKER2)+(1<<SPEAKER3);
PORTA = 0;
DDRB = (1<<LED5)+(1<<LED6)+(1<<LED7)+(1<<LED8);
PORTB = (1<<BUTTON); // pushbutton has a pullup
DDRD = (1<<SPEAKER1)+(1<<SPEAKER2)+(1<<LED0)+(1<<LED1)+(1<<LED2)+(1<<LED3)+(1<<LED4);
PORTD = 0;
for (led=0; led<9; ++led)
led_on[led] = false;
for (i=0; i<NUM_CHANS; ++i)
playing[i] = false;
while (BUTTON_DOWN) ; // wait for button to be released
#if 0 // test all notes
{byte note;
for (note=21; note<109; ++note) {
tune_playnote(0, note);
tune_delay(200);
tune_stopnote(0);
tune_delay(50);
}
tune_delay(1000);
}
#endif
#if 0 // test wait timer accuracy
{byte i;
for (i=0; i<10; ++i){
tune_playnote(0,60);
tune_delay(100);
tune_stopnote(0);
tune_delay(900);
}
}
#endif
// the current night is stored in non-volatile EPROM; go to the next night.
night = eeprom_read_byte((byte *)EEPROM_addr);
if (night > 7) night = 7; // uninitialized? start with 0
if (++night > 7) night = 0; // next night
eeprom_write_byte((byte *)EEPROM_addr,night);
// light the shamas
center_shamas = true; // no longer an option: PORTA & (1<<JMP1); // jumper 1 means shamas is on the end
tune_delay(2000); // wait two seconds
led = center_shamas ? 4 : 8;
for (i=0; i<4; ++i) { // simulate striking a match, sort of
tune_playscore (match_sound);
PORT(led_port[led]) |= led_mask[led]; // turn it on
while (tune_playing) ;
PORT(led_port[led]) &= ~led_mask[led]; // turn it off
tune_delay (300);
}
if (light(led)) goto restart; // now light it
// light one or more other candles, depending on the night
led = 7-night; // start with the newest light
if (center_shamas && led>3) ++led;
do {
delay_with_lights (MSEC_TO_CYCLES(1500));
if (light (led++)) goto restart;
if (center_shamas && led==4) ++led;
} while (night--);
// play the music while keeping the lights lit
delay_with_lights (MSEC_TO_CYCLES(2000));
tune_playscore (score);
while (tune_playing) {
if (light_cycle()) {
tune_stopscore();
goto restart;
}
}
// Wait half an hour with the lights on, then turn off
#define SLEEP_MINUTES 30
for (sleepcounter = SLEEP_MINUTES*60UL*1000UL/(ON_TIME+OFF_TIME); sleepcounter; --sleepcounter) {
if (light_cycle()) goto restart;
}
PORTA = 0;
PORTB = 0;
PORTD = 0;
DDRD = 0;
DDRB = 0;
DDRA = 0;
MCUCR &= 0xCF; // ensure power-down mode
MCUCR |= 0x30; // enable sleep & power-down modes
asm("sleep"); //Go to sleep!
}
boolean delay_with_lights (int cycles) {
// callers should use this macro, so that division is done at compile time
#define MSEC_TO_CYCLES(msec) msec/(ON_TIME+OFF_TIME)
while (cycles--) if (light_cycle()) return true;
return false;
}