week10劉沛潔

/*
	This example shows how to change melody with push button using only a Maker UNO.
	Tutorial page:
	http://makeruno.com.my/changing-melody-with-push-button-using-only-maker-uno/
	Original written by:
	26/01/18 Asyraf (Intern), Cytron Technologies
	*/
	int piezoPin = 8;
	int button = 2;
	int lengths = 26;
	char jbnotes[] = "eeeeeeegcde fffffeeeeddedg";
	int jbbeats[] = { 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2};
	int length = 15;
	char ttlsnotes[] = "ccggaag ffeeddc ggffeed ggffeed ccggaag ffeeddc ";
	int ttlsbeats[] = { 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(piezoPin, HIGH);
	delayMicroseconds(tone);
	digitalWrite(piezoPin, 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 };
	for (int i = 0; i < 8; i++)
	{
	if (names[i] == note)
	{
	playTone(tones[i], duration);
	}
	}
	}
	void setup()
	{
	pinMode(piezoPin, OUTPUT);
	pinMode(button, INPUT_PULLUP);
	}
	void loop()
	{
	int sensorVal = digitalRead(button);
	if (sensorVal == HIGH)
	{
	for (int i = 0; i < length; i++)
	{
	if (ttlsnotes[i] == ' ')
	{
	delay(ttlsbeats[i] * tempo);
	}
	else
	playNote(ttlsnotes[i], ttlsbeats[i] * tempo);
	delay(tempo / 2);
	}
	}
	else
	{
	for (int i = 0; i < lengths; i++)
	{
	if (jbnotes[i] == ' ')
	{
	delay(jbbeats[i] * tempo);
	}
	else
	playNote(jbnotes[i], jbbeats[i] * tempo);
	delay(tempo / 2);
	}
	}
	} 這是讓uno可以發出很吵聲音的程式碼