ArtBIT · May 9, 2024 13:43 · May 9, 2024
diff --git a/coin.ino b/coin.ino
@@ -0,0 +1,73 @@
+#include "pitches.h"
+
+const int SPKR = 13; // Buzzer pin
+const int BTN=2;
+
+// notes in the notes:
+int notes_1up[] = {NOTE_E5, NOTE_G5, NOTE_E6, NOTE_C6, NOTE_D6, NOTE_G6};
+// note durations: 4 = quarter note, 8 = eighth note, etc.:
+int durations_1up[] = {4, 4, 4, 4, 4, 4};
+
+// mario coin
+int notes_coin[] = {NOTE_B5, NOTE_E6};
+int durations_coin[] = { 8, 1 };
+
+int tempo = 400;
+int button_state = 0;
+int is_playing = 0;
+long last_click_at = 0;
+long debounce_delay = 200;
+
+void play(int num_notes, int* notes, int* durations) {
+  // iterate over the notes of the notes:
+  if (is_playing) {
+    return;
+  }
+  is_playing = 1;
+  for (int thisNote = 0; thisNote < num_notes; thisNote++) {
+    // to calculate the note duration, take the tempo
+    // divided by the note type.
+    // e.g. quarter note = tempo / 4, eighth note = tempo/8, etc.
+    int noteDuration = tempo/durations[thisNote];
+    tone(SPKR, notes[thisNote], noteDuration);
+
+    // to distinguish the notes, set a minimum time between them.
+    // the note's duration + 30% seems to work well:
+    int pauseBetweenNotes = noteDuration * 1.30;
+    delay(pauseBetweenNotes);
+
+    // stop the tone playing:
+    noTone(SPKR);
+  }
+  is_playing = 0;
+}
+
+void setup()
+{
+    // Initialize serial communication
+    Serial.begin(9600);
+    pinMode(SPKR, OUTPUT); //set the speaker as output
+    pinMode(BTN, INPUT);
+
+    play(6, notes_1up, durations_1up);
+    delay(100);
+}
+
+void loop() //do this over and over
+{
+    button_state = digitalRead(BTN);
+    long now = millis();
+    if ((now - last_click_at) > debounce_delay) {
+        if (button_state == HIGH) {
+          play(2, notes_coin, durations_coin);
+          return;
+        }
+        last_click_at = now;
+    }
+    if (Serial.available() > 0) {
+      int incoming_byte = Serial.read();
+      if (incoming_byte == 'H') {
+        play(2, notes_coin, durations_coin);
+      }
+    }
+}
diff --git a/pitches.h b/pitches.h
@@ -0,0 +1,93 @@
+/*************************************************
+ * Public Constants
+ *************************************************/
+
+#define NOTE_B0  31
+#define NOTE_C1  33
+#define NOTE_CS1 35
+#define NOTE_D1  37
+#define NOTE_DS1 39
+#define NOTE_E1  41
+#define NOTE_F1  44
+#define NOTE_FS1 46
+#define NOTE_G1  49
+#define NOTE_GS1 52
+#define NOTE_A1  55
+#define NOTE_AS1 58
+#define NOTE_B1  62
+#define NOTE_C2  65
+#define NOTE_CS2 69
+#define NOTE_D2  73
+#define NOTE_DS2 78
+#define NOTE_E2  82
+#define NOTE_F2  87
+#define NOTE_FS2 93
+#define NOTE_G2  98
+#define NOTE_GS2 104
+#define NOTE_A2  110
+#define NOTE_AS2 117
+#define NOTE_B2  123
+#define NOTE_C3  131
+#define NOTE_CS3 139
+#define NOTE_D3  147
+#define NOTE_DS3 156
+#define NOTE_E3  165
+#define NOTE_F3  175
+#define NOTE_FS3 185
+#define NOTE_G3  196
+#define NOTE_GS3 208
+#define NOTE_A3  220
+#define NOTE_AS3 233
+#define NOTE_B3  247
+#define NOTE_C4  262
+#define NOTE_CS4 277
+#define NOTE_D4  294
+#define NOTE_DS4 311
+#define NOTE_E4  330
+#define NOTE_F4  349
+#define NOTE_FS4 370
+#define NOTE_G4  392
+#define NOTE_GS4 415
+#define NOTE_A4  440
+#define NOTE_AS4 466
+#define NOTE_B4  494
+#define NOTE_C5  523
+#define NOTE_CS5 554
+#define NOTE_D5  587
+#define NOTE_DS5 622
+#define NOTE_E5  659
+#define NOTE_F5  698
+#define NOTE_FS5 740
+#define NOTE_G5  784
+#define NOTE_GS5 831
+#define NOTE_A5  880
+#define NOTE_AS5 932
+#define NOTE_B5  988
+#define NOTE_C6  1047
+#define NOTE_CS6 1109
+#define NOTE_D6  1175
+#define NOTE_DS6 1245
+#define NOTE_E6  1319
+#define NOTE_F6  1397
+#define NOTE_FS6 1480
+#define NOTE_G6  1568
+#define NOTE_GS6 1661
+#define NOTE_A6  1760
+#define NOTE_AS6 1865
+#define NOTE_B6  1976
+#define NOTE_C7  2093
+#define NOTE_CS7 2217
+#define NOTE_D7  2349
+#define NOTE_DS7 2489
+#define NOTE_E7  2637
+#define NOTE_F7  2794
+#define NOTE_FS7 2960
+#define NOTE_G7  3136
+#define NOTE_GS7 3322
+#define NOTE_A7  3520
+#define NOTE_AS7 3729
+#define NOTE_B7  3951
+#define NOTE_C8  4186
+#define NOTE_CS8 4435
+#define NOTE_D8  4699
+#define NOTE_DS8 4978