TVZ Mechatronics Team / Mbed OS Star_Wars_The_imperial_March_2

Star_Wars_The_Imperial_March_Piezo_Buzzer_with_Ticker_and_Interrupts

main.cpp@0:8544e0d29036, 2019-11-18 (annotated)

Committer:
dfraj
Date:
Mon Nov 18 17:08:14 2019 +0000
Revision:
0:8544e0d29036
Star_Wars_The_Imperial_March_Piezo_Buzzer_with_Ticker_and_Interrupts

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dfraj 0:8544e0d29036 1 #include "mbed.h"
dfraj 0:8544e0d29036 2
dfraj 0:8544e0d29036 3 PwmOut speaker(p26);
dfraj 0:8544e0d29036 4 AnalogIn pot1(p19);
dfraj 0:8544e0d29036 5 AnalogIn pot2(p20);
dfraj 0:8544e0d29036 6 InterruptIn joystickCenter(p14);
dfraj 0:8544e0d29036 7 Ticker speedster;
dfraj 0:8544e0d29036 8 float speed = 0;
dfraj 0:8544e0d29036 9 bool zastavica = false;
dfraj 0:8544e0d29036 10
dfraj 0:8544e0d29036 11 void setSpeed(){
dfraj 0:8544e0d29036 12 speed = 0.05 + pot1; // minimum wait is 50 ms
dfraj 0:8544e0d29036 13 }
dfraj 0:8544e0d29036 14
dfraj 0:8544e0d29036 15 void zaustaviPjesmu(){
dfraj 0:8544e0d29036 16 zastavica = true;
dfraj 0:8544e0d29036 17 }
dfraj 0:8544e0d29036 18
dfraj 0:8544e0d29036 19 int main() {
dfraj 0:8544e0d29036 20 speedster.attach_us(&setSpeed, 1000);
dfraj 0:8544e0d29036 21 joystickCenter.rise(&zaustaviPjesmu);
dfraj 0:8544e0d29036 22 // note frequencies in Hz
dfraj 0:8544e0d29036 23 // rows: C C# D Eb E F F# G G# A Bb B
dfraj 0:8544e0d29036 24 //columns: 0 1 2 3 4 5 6 7 8
dfraj 0:8544e0d29036 25
dfraj 0:8544e0d29036 26 enum noteNames {C, Cs, D, Eb, E, F, Fs, G, Gs, A, Bb, B};
dfraj 0:8544e0d29036 27 float nt[12][9] = { {16.35}, {17.32}, {18.35}, {19.45}, {20.60}, {21.83},
dfraj 0:8544e0d29036 28 {23.12}, {24.5}, {25.96}, {27.5}, {29.14}, {30.87} };
dfraj 0:8544e0d29036 29 for (int i = 0; i < 12; i++)
dfraj 0:8544e0d29036 30 for (int j = 1; j < 9; j++)
dfraj 0:8544e0d29036 31 nt[i][j] = nt[i][j-1] * 2;
dfraj 0:8544e0d29036 32
dfraj 0:8544e0d29036 33 while(1) {
dfraj 0:8544e0d29036 34 //int scale = pot2 * 8;
dfraj 0:8544e0d29036 35 float notesCiciban[] = {nt[A][1], 0, nt[A][1], 0, nt[A][1], 0,
dfraj 0:8544e0d29036 36 nt[F][1], 0, nt[C][2], 0, nt[A][1], 0,
dfraj 0:8544e0d29036 37 nt[F][1], 0, nt[C][2], 0, nt[A][1], 0,
dfraj 0:8544e0d29036 38 nt[E][2], 0, nt[E][2], 0, nt[E][2], 0,
dfraj 0:8544e0d29036 39 nt[F][2], 0, nt[C][2], 0, nt[Gs][1], 0,
dfraj 0:8544e0d29036 40 nt[F][1], 0, nt[C][2], 0, nt[A][1], 0,
dfraj 0:8544e0d29036 41 nt[A][2], 0, nt[A][1], 0, nt[A][1], 0,
dfraj 0:8544e0d29036 42 nt[A][2], 0, nt[Gs][2], 0, nt[G][2], 0,
dfraj 0:8544e0d29036 43 nt[Fs][2], 0, nt[F][2], 0, nt[Fs][2], 0,
dfraj 0:8544e0d29036 44 nt[Bb][1], 0, nt[Eb][2], 0, nt[D][2], 0,
dfraj 0:8544e0d29036 45 nt[Cs][2], 0, nt[C][2], 0, nt[B][1], 0,
dfraj 0:8544e0d29036 46 nt[C][2], 0, nt[F][1], 0, nt[Gs][1], 0,
dfraj 0:8544e0d29036 47 nt[F][1], 0, nt[Gs][1], 0, nt[C][2], 0,
dfraj 0:8544e0d29036 48 nt[A][1], 0, nt[C][2], 0, nt[E][2], 0,
dfraj 0:8544e0d29036 49 nt[A][2], 0, nt[A][1], 0, nt[A][1], 0,
dfraj 0:8544e0d29036 50 nt[A][2], 0, nt[Gs][2], 0, nt[G][2], 0,
dfraj 0:8544e0d29036 51 nt[Fs][2], 0, nt[F][2], 0, nt[Fs][2], 0,
dfraj 0:8544e0d29036 52 nt[Bb][1], 0, nt[Eb][2], 0, nt[D][2], 0,
dfraj 0:8544e0d29036 53 nt[Cs][2], 0,};
dfraj 0:8544e0d29036 54 float beatCiciban[] = {1, 0.5, 1, 0.5, 1, 0.5,
dfraj 0:8544e0d29036 55 0.5, 0.5, 0.5, 0.5, 1, 0.5,
dfraj 0:8544e0d29036 56 0.5, 0.5, 0.5, 0.5, 2, 0.5,
dfraj 0:8544e0d29036 57 1, 0.5, 1, 0.5, 1, 0.5,
dfraj 0:8544e0d29036 58 0.5, 0.5, 0.5, 0.5, 1, 0.5,
dfraj 0:8544e0d29036 59 0.5, 0.5, 0.5, 0.5, 2, 0.5,
dfraj 0:8544e0d29036 60 1, 0.5, 0.5, 0.5, 0.5, 0.5,
dfraj 0:8544e0d29036 61 1, 0.5, 0.5, 0.5, 0.5, 0.5,
dfraj 0:8544e0d29036 62 0.25, 0.5, 0.25, 0.5, 0.25, 0.5,
dfraj 0:8544e0d29036 63 0.25, 0.5, 1, 0.5, 0.5, 0.5,
dfraj 0:8544e0d29036 64 0.5, 0.5, 0.25, 0.5, 0.25, 0.5,
dfraj 0:8544e0d29036 65 0.25, 0.5, 0.25, 0.5, 1, 0.5,
dfraj 0:8544e0d29036 66 0.5, 0.5, 0.5, 0.5, 1, 0.5,
dfraj 0:8544e0d29036 67 0.5, 0.5, 0.5, 0.5, 2, 0.5,
dfraj 0:8544e0d29036 68 1, 0.5, 0.5, 0.5, 0.5, 0.5,
dfraj 0:8544e0d29036 69 1, 0.5, 0.5, 0.5, 0.5, 0.5,
dfraj 0:8544e0d29036 70 0.25, 0.5, 0.25, 0.5, 0.25, 0.5,
dfraj 0:8544e0d29036 71 0.25, 0.5, 1, 0.5, 0.5, 0.5,
dfraj 0:8544e0d29036 72 0.5, 0.5};
dfraj 0:8544e0d29036 73
dfraj 0:8544e0d29036 74 for (int i = 0; i < 109; i++) {
dfraj 0:8544e0d29036 75 speaker.period(1 / (4*notesCiciban[i]) );
dfraj 0:8544e0d29036 76 speaker = 0.75;
dfraj 0:8544e0d29036 77 wait(speed * beatCiciban[i]);
dfraj 0:8544e0d29036 78 }
dfraj 0:8544e0d29036 79 if(zastavica){
dfraj 0:8544e0d29036 80 speaker = 0;
dfraj 0:8544e0d29036 81 break;
dfraj 0:8544e0d29036 82 }
dfraj 0:8544e0d29036 83 }
dfraj 0:8544e0d29036 84 }