Week13 , HW11

作業一：
Tutorial Melody
程式碼 ↓

int speakerPin = 9;

int length = 15; // the number of notes
char notes[] = "ccggaagffeeddc "; // a space represents a rest
int beats[] = { 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 4 };
int tempo = 300;

void playTone(int tone, int duration) {
  for (long i = 0; i < duration * 1000L; i += tone * 2) {
    digitalWrite(speakerPin, HIGH);
    delayMicroseconds(tone);
    digitalWrite(speakerPin, LOW);
    delayMicroseconds(tone);
  }
}

void playNote(char note, int duration) {
  char names[] = { 'c', 'd', 'e', 'f', 'g', 'a', 'b', 'C' };
  int tones[] = { 1915, 1700, 1519, 1432, 1275, 1136, 1014, 956 };

  // play the tone corresponding to the note name
  for (int i = 0; i < 8; i++) {
    if (names[i] == note) {
      playTone(tones[i], duration);
    }
  }
}

void setup() {
  pinMode(speakerPin, OUTPUT);
}

void loop() {
  for (int i = 0; i < length; i++) {
    if (notes[i] == ' ') {
      delay(beats[i] * tempo); // rest
    } else {
      playNote(notes[i], beats[i] * tempo);
    }

    // pause between notes
    delay(tempo / 2); 
  }
}
影片 ↓

作業二：

Tone Melody

程式碼↓
/*
  Melody
 
 Plays a melody 
 
 circuit:
 * 8-ohm speaker on digital pin 8
 
 created 21 Jan 2010
 modified 30 Aug 2011
 by Tom Igoe 

This example code is in the public domain.
 
 http://arduino.cc/en/Tutorial/Tone
 
 */
 #include "pitches.h"

const int buttonPin3 = 3;
const int buttonPin4 = 4;
const int buttonPin5 = 5;
const int buttonPin6 = 6;
const int buttonPin7 = 7;

int buttonState3 = 0;
int buttonState4 = 0;
int buttonState5 = 0;
int buttonState6 = 0;
int buttonState7 = 0;


// notes in the melody:
int melody[] = {
  NOTE_C4, NOTE_G3,NOTE_G3, NOTE_A3, NOTE_G3,0, NOTE_B3, NOTE_C4};

// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = {
  4, 8, 8, 4,4,4,4,4 };

void setup() {
  
  pinMode(buttonPin3, INPUT);
  pinMode(buttonPin4, INPUT);
  pinMode(buttonPin5, INPUT);
  pinMode(buttonPin6, INPUT);
  pinMode(buttonPin7, INPUT);  
   
  pinMode(8, OUTPUT);
  // iterate over the notes of the melody:
  for (int thisNote = 0; thisNote < 8; thisNote++) {

    // to calculate the note duration, take one second 
    // divided by the note type.
    //e.g. quarter note = 1000 / 4, eighth note = 1000/8, etc.
    int noteDuration = 1000/noteDurations[thisNote];
    tone(8, melody[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(8);
  }
}

void loop() {
    buttonState3 = digitalRead(buttonPin3); 
    buttonState4 = digitalRead(buttonPin4); 
    buttonState5 = digitalRead(buttonPin5); 
    buttonState6 = digitalRead(buttonPin6); 
    buttonState7 = digitalRead(buttonPin7); 
    
   if(buttonState3 == HIGH){
      tone(8, 261,4);
      digitalWrite(8, HIGH); 
    }
    if(buttonState4 == HIGH){
      tone(8,294,4);
      digitalWrite(8, HIGH); 
    }
    if(buttonState5 == HIGH){
      tone(8,329,4);0
      digitalWrite(8, HIGH); 
    }
    if(buttonState6 == HIGH){
      tone(8,349,4);
      digitalWrite(8, HIGH); 
    }
    if(buttonState7 == HIGH){
      tone(8,400,4);
      digitalWrite(8, HIGH); 
    }

  
  // no need to repeat the melody.
}

影片 ↓