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