void init_current_effect(void) {
// Disable flipping until first frame is drawn
allow_flipping(false);
/* Restore front and back buffer pointers to point to
* different locations */
gs_restore_bufs();
// Set up rng
srand_from_clock();
// Run initializer
init_t init = (init_t)pgm_get(effect->init, word);
if (init != NULL) init();
gs_buf_swap();
/* If NO_FLIP, we "broke" flipping if required by pointing
* both buffers to the same location */
if (pgm_get(effect->flip_buffers, byte) == NO_FLIP) {
gs_buf_back = gs_buf_front;
}
// Restart tick counter and FPS limiter
reset_time();
next_draw_at = 0;
}
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_boot_report();
// Select correct startup mode
pick_startup_mode();
while(1) {
/* Serial processing is implementation specific and defined in
* serial_common.c */
process_serial();
switch (mode) {
case MODE_SLEEP:
// Fall through to MODE_IDLE
case MODE_IDLE:
// No operation
sleep_if_no_traffic();
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, wait interrupts
if (flags.may_flip) {
sleep_if_no_traffic();
break;
}
// Update clock
ticks = centisecs();
/* Go back to serial handler if drawing time
* is reached. By doing this we avoid serial
* port slowdown when FPS is low */
if (ticks < next_draw_at ) {
sleep_if_no_traffic();
break;
}
/* Restart effect if maximum ticks is
* reached. This may result a glitch but is
* better than the effect to stop. */
if (ticks == ~0) {
init_current_effect();
ticks = 0;
}
// Update sensor values
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);
}
// Update time when next drawing is allowed
next_draw_at = ticks + pgm_get(effect->minimum_ticks,byte);
break;
}
}
return 0;
}
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;
}