Depot Pertamina / Audiox

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Audio.cpp@0:6d2a1fb93e9e, 2019-07-05 (annotated)

Committer:
irsanjul
Date:
Fri Jul 05 10:33:07 2019 +0000
Revision:
0:6d2a1fb93e9e
Child:
1:931e45afbcb4
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
irsanjul 0:6d2a1fb93e9e 1 #include "Audio.h"
irsanjul 0:6d2a1fb93e9e 2
irsanjul 0:6d2a1fb93e9e 3 double nada[9] = {247, 262, 294, 330, 350, 392, 440, 494, 523};
irsanjul 0:6d2a1fb93e9e 4
irsanjul 0:6d2a1fb93e9e 5 Audio::Audio(PinName buzzer): out(buzzer)
irsanjul 0:6d2a1fb93e9e 6 {
irsanjul 0:6d2a1fb93e9e 7 }
irsanjul 0:6d2a1fb93e9e 8
irsanjul 0:6d2a1fb93e9e 9 void Audio::SetVolume(double volume)
irsanjul 0:6d2a1fb93e9e 10 {
irsanjul 0:6d2a1fb93e9e 11 vol = volume;
irsanjul 0:6d2a1fb93e9e 12 }
irsanjul 0:6d2a1fb93e9e 13
irsanjul 0:6d2a1fb93e9e 14 void Audio::SetDuration(unsigned int milisec)
irsanjul 0:6d2a1fb93e9e 15 {
irsanjul 0:6d2a1fb93e9e 16 ms = milisec;
irsanjul 0:6d2a1fb93e9e 17 }
irsanjul 0:6d2a1fb93e9e 18
irsanjul 0:6d2a1fb93e9e 19 void Audio::PlayNote(unsigned int angka)
irsanjul 0:6d2a1fb93e9e 20 {
irsanjul 0:6d2a1fb93e9e 21 if(angka > 8) angka = 8;
irsanjul 0:6d2a1fb93e9e 22
irsanjul 0:6d2a1fb93e9e 23 double Nada = nada[angka];
irsanjul 0:6d2a1fb93e9e 24 PlayNote(Nada*4.24, ms, vol);
irsanjul 0:6d2a1fb93e9e 25 }
irsanjul 0:6d2a1fb93e9e 26
irsanjul 0:6d2a1fb93e9e 27 void Audio::mute()
irsanjul 0:6d2a1fb93e9e 28 {
irsanjul 0:6d2a1fb93e9e 29 out = 0;
irsanjul 0:6d2a1fb93e9e 30 }
irsanjul 0:6d2a1fb93e9e 31
irsanjul 0:6d2a1fb93e9e 32 void Audio::PlayNote(double frequency, double duration, double volume)
irsanjul 0:6d2a1fb93e9e 33 {
irsanjul 0:6d2a1fb93e9e 34 out.period(1.0/frequency);
irsanjul 0:6d2a1fb93e9e 35 out = volume/2.0;
irsanjul 0:6d2a1fb93e9e 36 wait_ms(duration);
irsanjul 0:6d2a1fb93e9e 37 out = 0.0;
irsanjul 0:6d2a1fb93e9e 38 }