pxt-calliope/libs/core/music.ts

209 lines
5.6 KiB
TypeScript
Raw Normal View History

enum Note {
2016-09-22 23:36:37 +02:00
//% blockIdentity=music.noteFrequency
C = 262,
//% block=C#
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
CSharp = 277,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
D = 294,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
Eb = 311,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
E = 330,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
F = 349,
//% block=F#
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
FSharp = 370,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
G = 392,
//% block=G#
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
GSharp = 415,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
A = 440,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
Bb = 466,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
B = 494,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
C3 = 131,
//% block=C#3
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
CSharp3 = 139,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
D3 = 147,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
Eb3 = 156,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
E3 = 165,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
F3 = 175,
//% block=F#3
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
FSharp3 = 185,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
G3 = 196,
//% block=G#3
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
GSharp3 = 208,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
A3 = 220,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
Bb3 = 233,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
B3 = 247,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
C4 = 262,
//% block=C#4
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
CSharp4 = 277,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
D4 = 294,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
Eb4 = 311,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
E4 = 330,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
F4 = 349,
2016-04-12 04:44:39 +02:00
//% block=F#4
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
FSharp4 = 370,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
G4 = 392,
2016-04-12 04:44:39 +02:00
//% block=G#4
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
GSharp4 = 415,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
A4 = 440,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
Bb4 = 466,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
B4 = 494,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
C5 = 523,
//% block=C#5
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
CSharp5 = 555,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
D5 = 587,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
Eb5 = 622,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
E5 = 659,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
F5 = 698,
//% block=F#5
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
FSharp5 = 740,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
G5 = 784,
//% block=G#5
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
GSharp5 = 831,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
A5 = 880,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
Bb5 = 932,
2016-08-31 20:22:07 +02:00
//% blockIdentity=music.noteFrequency
B5 = 989,
2016-03-10 23:01:04 +01:00
}
enum BeatFraction {
//% block=1
2016-03-10 23:01:04 +01:00
Whole = 1,
//% block="1/2"
2016-03-10 23:01:04 +01:00
Half = 2,
//% block="1/4"
2016-09-24 07:27:57 +02:00
Quarter = 4,
//% block="1/8"
2016-03-14 05:35:31 +01:00
Eighth = 8,
//% block="1/16"
2016-03-10 23:01:04 +01:00
Sixteenth = 16
}
2016-04-06 00:59:25 +02:00
/**
* Generation of music tones through pin ``P0``.
*/
//% color=#DF4600 weight=98
2016-03-10 23:01:04 +01:00
namespace music {
2016-05-17 01:24:44 +02:00
let beatsPerMinute: number = 120;
2016-03-10 23:01:04 +01:00
/**
* Rests (plays nothing) for a specified time through pin ``P0``.
2016-05-20 14:40:54 +02:00
* @param ms rest duration in milliseconds (ms)
2016-03-10 23:01:04 +01:00
*/
2016-03-22 06:13:39 +01:00
//% help=music/rest weight=79
2016-03-10 23:01:04 +01:00
//% blockId=device_rest block="rest(ms)|%duration=device_beat"
2016-10-25 08:17:16 +02:00
//% parts="speaker"
2016-03-10 23:01:04 +01:00
export function rest(ms: number): void {
playTone(0, ms);
}
/**
* Gets the frequency of a note.
2016-05-20 14:40:54 +02:00
* @param name the note name
2016-03-10 23:01:04 +01:00
*/
2016-04-02 07:00:42 +02:00
//% weight=50 help=music/note-frequency
2016-03-10 23:01:04 +01:00
//% blockId=device_note block="%note"
2016-08-31 20:22:07 +02:00
//% shim=TD_ID
export function noteFrequency(name: Note): number {
2016-03-10 23:01:04 +01:00
return name;
}
2016-05-20 14:40:54 +02:00
2016-03-14 16:32:02 +01:00
function init() {
2016-05-20 14:40:54 +02:00
if (beatsPerMinute <= 0) beatsPerMinute = 120;
2016-03-14 16:32:02 +01:00
}
2016-03-10 23:01:04 +01:00
/**
* Returns the duration of a beat in milli-seconds
*/
2016-03-22 06:13:39 +01:00
//% help=music/beat weight=49
2016-03-10 23:01:04 +01:00
//% blockId=device_beat block="%fraction|beat"
export function beat(fraction?: BeatFraction): number {
2016-03-14 16:32:02 +01:00
init();
if (fraction == null) fraction = BeatFraction.Whole;
2016-03-14 05:35:31 +01:00
let beat = 60000 / beatsPerMinute;
if (fraction == BeatFraction.Whole) return beat;
else if (fraction == BeatFraction.Half) return beat / 2;
else if (fraction == BeatFraction.Quarter) return beat / 4;
2016-03-14 05:35:31 +01:00
else if (fraction == BeatFraction.Eighth) return beat / 8;
else return beat / 16;
2016-03-10 23:01:04 +01:00
}
/**
* Returns the tempo in beats per minute. Tempo is the speed (bpm = beats per minute) at which notes play. The larger the tempo value, the faster the notes will play.
*/
2016-03-22 06:13:39 +01:00
//% help=music/tempo weight=40
2016-03-10 23:01:04 +01:00
//% blockId=device_tempo block="tempo (bpm)" blockGap=8
export function tempo(): number {
2016-03-14 16:32:02 +01:00
init();
2016-03-10 23:01:04 +01:00
return beatsPerMinute;
}
/**
* Change the tempo by the specified amount
* @param bpm The change in beats per minute to the tempo, eg: 20
*/
2016-10-21 17:48:43 +02:00
//% help=music/change-tempo-by weight=39
2016-03-10 23:01:04 +01:00
//% blockId=device_change_tempo block="change tempo by (bpm)|%value" blockGap=8
export function changeTempoBy(bpm: number): void {
2016-08-30 20:17:15 +02:00
init();
2016-08-18 15:00:43 +02:00
setTempo(beatsPerMinute + bpm);
2016-03-10 23:01:04 +01:00
}
/**
* Sets the tempo to the specified amount
* @param bpm The new tempo in beats per minute, eg: 120
*/
2016-06-10 06:41:41 +02:00
//% help=music/set-tempo weight=38
2016-03-10 23:01:04 +01:00
//% blockId=device_set_tempo block="set tempo to (bpm)|%value"
export function setTempo(bpm: number): void {
2016-03-14 16:32:02 +01:00
init();
2016-03-10 23:01:04 +01:00
if (bpm > 0) {
beatsPerMinute = Math.max(1, bpm);
}
}
}