//And finally, some test code that demonstrates using the above code to play music. public static void Test_PiezoSpeaker() { // setup the speaker on digital pin 5 PiezoSpeaker speaker = new PiezoSpeaker(Pins.GPIO_PIN_D5); // define some tunes string[] tunes = new string[] { "C * F / F * F A G / F * G A F / F A + C D", // Auld Lang Syne "D / D * * E D G * F# / / D / D * * E D A * G / / D / D * * + D - B G F# * E / / + C / C * * - B G A * G", // Happy birthday "C C G G A A * G / F F E E D D * C / G G F F E E * D / G G F F E E * D / C C G G A A * G / F F E E D D * C", // twinkle, twinkle "A B + C D E F# G# A G F E D C - B A", // melodic minor scale }; // each time the button is pressed we're going to cycle to the next tune in the list // if we reach the end of the list, start at the beginning again. int which = -1; Button button = new Button(Pins.ONBOARD_SW1); button.Pressed += delegate { which++; if (which == tunes.Length) { which = 0; } speaker.Play(tunes[which], 4, 333); }; // as this is driven by the button being pressed, we don't need to poll // anything so we just put the main thread to sleep and wait... and wait... and wait... Thread.Sleep(Timeout.Infinite); }
//And finally, some test code that demonstrates using the above code to play music. public static void Test_PiezoSpeaker() { // setup the speaker on digital pin 5 PiezoSpeaker speaker = new PiezoSpeaker(Pins.GPIO_PIN_D5); // define some tunes string[] tunes = new string[] { "C * F / F * F A G / F * G A F / F A + C D" , // Auld Lang Syne "D / D * * E D G * F# / / D / D * * E D A * G / / D / D * * + D - B G F# * E / / + C / C * * - B G A * G", // Happy birthday "C C G G A A * G / F F E E D D * C / G G F F E E * D / G G F F E E * D / C C G G A A * G / F F E E D D * C" , // twinkle, twinkle "A B + C D E F# G# A G F E D C - B A", // melodic minor scale }; // each time the button is pressed we're going to cycle to the next tune in the list // if we reach the end of the list, start at the beginning again. int which = -1; Button button = new Button(Pins.ONBOARD_SW1); button.Pressed += delegate { which++; if (which == tunes.Length) which = 0; speaker.Play(tunes[which], 4, 333); }; // as this is driven by the button being pressed, we don't need to poll // anything so we just put the main thread to sleep and wait... and wait... and wait... Thread.Sleep(Timeout.Infinite); }
public void Play(PiezoSpeaker speaker) { speaker.Play(_frequency, _duration); }
public void Play(PiezoSpeaker speaker) { speaker.Play(_frequency, _duration); }