nightlight/nightlight.ino

122 lines
2.9 KiB
C++

#include "music.h"
#include "songs.h"
#include "light.h"
#define BUZZER 11
#define LED_RED 6
#define LED_GREEN 9
#define LED_BLUE 10
#define BUTTON_IN 12
// Standard delay of 30 milliseconds for slightly above 30fps.
#define STD_DELAY 30
// MUSIC CONTROL
struct PlayingSong mc_playing_song;
// Begins playing a new song.
void mc_play_song() {
long choice = random(0, SONG_COUNT);
playSong(&mc_playing_song, SONGS[choice]);
}
// Updates the music controller, playing a note if needed.
void mc_update(unsigned int elapsed_ms) {
struct Note* note_to_play = updateSong(&mc_playing_song, elapsed_ms);
if (note_to_play != NULL) {
tone(BUZZER, note_to_play->frequency, getMillisecondsPerNote(mc_playing_song.song) / note_to_play->duration);
}
}
// LIGHT CONTROL
unsigned int lc_elapsed_ms;
unsigned char lc_chosen_time_function = 0;
void lc_cycle_function() {
lc_chosen_time_function++;
if (lc_chosen_time_function >= LC_TIME_FUNCTION_COUNT) {
lc_chosen_time_function = 0;
}
}
void lc_set_led(float r, float g, float b) {
analogWrite(LED_RED, r * 255);
analogWrite(LED_GREEN, g * 255);
analogWrite(LED_BLUE, b * 255);
}
void lc_set_color(Color c) {
lc_set_led(c.r, c.g, c.b);
}
void lc_update(unsigned int elapsed_ms) {
lc_elapsed_ms += elapsed_ms;
if (lc_elapsed_ms > LC_PERIOD) lc_elapsed_ms -= LC_PERIOD;
if (mc_playing_song.playing) {
float i = getInterpolatedRelativeIntensity(&mc_playing_song);
//Serial.println(i);
lc_set_color({i, i, i});
} else {
lc_set_color(LC_TIME_FUNCTIONS[lc_chosen_time_function](lc_elapsed_ms));
}
}
// INPUT MANAGEMENT
#define IM_CLICK_DELAY 500
bool im_button_pressed = false;
unsigned long im_ms_since_press = 10000;
unsigned char im_press_count = 0;
void im_update(unsigned int elapsed_ms) {
im_ms_since_press += elapsed_ms;
if (im_ms_since_press > 1000000000) im_ms_since_press = 10000; // Reset counter to avoid overflow.
int state = digitalRead(BUTTON_IN);
if (!im_button_pressed && state == HIGH) {
im_button_pressed = true;
}
if (im_button_pressed && state == LOW) {
im_button_pressed = false;
im_press_count++;
im_ms_since_press = 0;
}
if (im_ms_since_press > IM_CLICK_DELAY) {
if (im_press_count == 1) {
mc_play_song();
} else if (im_press_count == 2) {
lc_cycle_function();
} else if (im_press_count == 3) {
mc_play_song();
lc_cycle_function();
}
im_press_count = 0;
}
}
void setup() {
randomSeed(analogRead(0)); // Read analog noise to inialize random numbers.
pinMode(BUZZER, OUTPUT);
pinMode(LED_RED, OUTPUT);
pinMode(LED_GREEN, OUTPUT);
pinMode(LED_BLUE, OUTPUT);
pinMode(BUTTON_IN, INPUT);
//playSong(&mc_playing_song, SONG_TEST);
pinMode(13, OUTPUT);
digitalWrite(12, LOW);
//Serial.begin(9600);
}
void loop() {
delay(STD_DELAY);
mc_update(STD_DELAY);
lc_update(STD_DELAY);
im_update(STD_DELAY);
}