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Line 164:
<nowiki>+
−#include "pitches.h"
−#define TONE_PIN A2
−
−//C major
−int notes[] = { NOTE_A3, NOTE_B3, NOTE_C4, NOTE_D4, NOTE_E4, NOTE_F4, NOTE_G4, NOTE_A4 };
−
−//G major
−//int notes[] = { NOTE_A3, NOTE_B3, NOTE_C4, NOTE_D4, NOTE_E4, NOTE_FS4, NOTE_G4, NOTE_A4 };
−
−//D major
−//int notes[] = { NOTE_A3, NOTE_B3, NOTE_CS4, NOTE_D4, NOTE_E4, NOTE_FS4, NOTE_G4, NOTE_A4 };
−
−//A major
−//int notes[] = { NOTE_A3, NOTE_B3, NOTE_CS4, NOTE_D4, NOTE_E4, NOTE_FS4, NOTE_GS4, NOTE_A4 };
−
−//E major
−//int notes[] = { NOTE_A3, NOTE_B3, NOTE_CS4, NOTE_DS4, NOTE_E4, NOTE_FS4, NOTE_GS4, NOTE_A4 };
−
−//B major
−//int notes[] = { NOTE_AS3, NOTE_B3, NOTE_CS4, NOTE_DS4, NOTE_E4, NOTE_FS4, NOTE_GS4, NOTE_AS4 };
−
−//A minor
−//int notes[] = { NOTE_GS3, NOTE_AS3, NOTE_C4, NOTE_CS4, NOTE_DS4, NOTE_F4, NOTE_G4, NOTE_GS4 };
−
−//E minor
−//int notes[] = { NOTE_GS3, NOTE_AS3, NOTE_C4, NOTE_D4, NOTE_DS4, NOTE_F4, NOTE_G4, NOTE_GS4 };
−
−//B minor
−//int notes[] = { NOTE_A3, NOTE_AS3, NOTE_C4, NOTE_D4, NOTE_DS4, NOTE_F4, NOTE_G4, NOTE_A4 };
−
−
−
−int oldButton = 0;
−int newButton = 0;
−
−void setup() {
− // put your setup code here, to run once:
−
−}
−
−void loop() {
− delay(10);
−
− newButton = readButtons();
−
− if(oldButton != newButton){
− oldButton = newButton;
−
− if(newButton != 0){
− tone(TONE_PIN, notes[newButton - 1]);
− }else{
− noTone(TONE_PIN);
− }
−
− }
−
−}
−
−int readButtons() {
− int button;
− if (digitalRead(2) == HIGH) { //button 1
− button = 1;
− } else if (digitalRead(3) == HIGH) { //button 2
− button = 2;
− } else if (digitalRead(4) == HIGH) { //button 3
− button = 3;
− } else if (digitalRead(5) == HIGH) { //button 4
− button = 4;
− } else if (digitalRead(6) == HIGH) { //button 5
− button = 5;
− } else if (digitalRead(7) == HIGH) { //button 6
− button = 6;
− } else if (digitalRead(8) == HIGH) { //button 7
− button = 7;
− } else if (digitalRead(9) == HIGH) { //button 8
− button = 8;
− } else {
− button = 0;
− }
− return button;
−}
−</nowiki>
<code style="color: green;">
<code style="color: green;">
−[[Media:Tone_arduino.ino]]
−</code>
</code>