int main() {
cli();
wdt_disable(); // To make sure nothing weird happens
init_tlc5940();
init_spi();
init_ps();
init_blank_timer();
init_effect_timer();
init_playlist();
initUSART();
sei();
hcsr04_start_continuous_meas();
adc_start();
serial_elo_init();
// Select correct startup mode
pick_startup_mode();
while(1) {
if(serial_available()) {
uint8_t cmd = serial_read();
#if defined AVR_ZCL
serial_zcl_process(cmd);
#elif defined AVR_ELO
serial_elo_process(cmd);
#elif defined SIMU
// Do nothing
#else
#error Unsupported serial communication type
#endif
}
switch (mode) {
case MODE_SLEEP:
// Fall through to MODE_IDLE
case MODE_IDLE:
// No operation
sleep_mode();
break;
case MODE_PLAYLIST:
ticks = centisecs();
if (ticks > effect_length) {
next_effect();
init_current_effect();
}
// no need to break!
// fall to MODE_EFFECT on purpose
case MODE_EFFECT:
// If a buffer is not yet flipped
if (flags.may_flip) break;
// Update clock and sensor values
ticks = centisecs();
sensors.distance1 = hcsr04_get_distance_in_cm();
sensors.distance2 = hcsr04_get_distance_in_cm(); //TODO: use separate sensor
sensors.ambient_light = adc_get(0) >> 2;
sensors.sound_pressure_level = adc_get(1) >> 2;
// Do the actual drawing
draw_t draw = (draw_t)pgm_get(effect->draw,word);
if (draw != NULL) {
draw();
allow_flipping(true);
}
// Slow down drawing if FPS is going to be too high
uint16_t target_ticks =
ticks + pgm_get(effect->minimum_ticks,byte);
while (centisecs() < target_ticks ) {
sleep_mode();
}
break;
}
}
return 0;
}
void process_serial(void)
{
if (!serial_available()) return;
uint8_t cmd = serial_read();
serial_elo_process(cmd);
}
