Team 'Murica / Mbed 2 deprecated projectsounds

sounds

Dependencies:   mbed

main.cpp@0:6418a1bc89fe, 2014-10-09 (annotated)

Committer:
christianjaunich
Date:
Thu Oct 09 14:49:11 2014 +0000
Revision:
0:6418a1bc89fe
Sounds with switches

Who changed what in which revision?

UserRevisionLine numberNew contents of line
christianjaunich 0:6418a1bc89fe 1 #include "mbed.h"
christianjaunich 0:6418a1bc89fe 2 // speaker sound effect demo using PWM hardware output
christianjaunich 0:6418a1bc89fe 3 PwmOut speaker(p26);
christianjaunich 0:6418a1bc89fe 4 DigitalIn switch2(p16); //Switch 2
christianjaunich 0:6418a1bc89fe 5 DigitalIn switch3(p17); //Switch 3
christianjaunich 0:6418a1bc89fe 6 int main()
christianjaunich 0:6418a1bc89fe 7 {
christianjaunich 0:6418a1bc89fe 8 float i=0.0;
christianjaunich 0:6418a1bc89fe 9 while(1)
christianjaunich 0:6418a1bc89fe 10 {
christianjaunich 0:6418a1bc89fe 11 if(switch2==0&&switch3==0)
christianjaunich 0:6418a1bc89fe 12 {
christianjaunich 0:6418a1bc89fe 13 speaker=0.0;
christianjaunich 0:6418a1bc89fe 14 }
christianjaunich 0:6418a1bc89fe 15 else if((switch2==1)&&(switch3==0))
christianjaunich 0:6418a1bc89fe 16 {
christianjaunich 0:6418a1bc89fe 17 // generate a 500Hz tone using PWM hardware output
christianjaunich 0:6418a1bc89fe 18 speaker.period(1.0/500.0); // 500hz period
christianjaunich 0:6418a1bc89fe 19 speaker =0.5; //50% duty cycle - max volume
christianjaunich 0:6418a1bc89fe 20 wait(.5);
christianjaunich 0:6418a1bc89fe 21 }
christianjaunich 0:6418a1bc89fe 22 else if((switch3==1)&&(switch2==0))
christianjaunich 0:6418a1bc89fe 23 {
christianjaunich 0:6418a1bc89fe 24 // two tone police siren effect - two periods or two frequencies
christianjaunich 0:6418a1bc89fe 25 speaker.period(1.0/969.0);
christianjaunich 0:6418a1bc89fe 26 speaker =0.25;
christianjaunich 0:6418a1bc89fe 27 wait(.5);
christianjaunich 0:6418a1bc89fe 28 speaker.period(1.0/500.0);
christianjaunich 0:6418a1bc89fe 29 wait(.5);
christianjaunich 0:6418a1bc89fe 30
christianjaunich 0:6418a1bc89fe 31 }
christianjaunich 0:6418a1bc89fe 32 else if((switch2==1)&&(switch3==1))
christianjaunich 0:6418a1bc89fe 33 {
christianjaunich 0:6418a1bc89fe 34 while(i<6000.0)
christianjaunich 0:6418a1bc89fe 35 {
christianjaunich 0:6418a1bc89fe 36 speaker.period(1.0/float(i));
christianjaunich 0:6418a1bc89fe 37 speaker=0.25;
christianjaunich 0:6418a1bc89fe 38 wait(.1);
christianjaunich 0:6418a1bc89fe 39 i+=100;
christianjaunich 0:6418a1bc89fe 40 if(i==6000.0)
christianjaunich 0:6418a1bc89fe 41 {
christianjaunich 0:6418a1bc89fe 42 i=0.0;
christianjaunich 0:6418a1bc89fe 43 }
christianjaunich 0:6418a1bc89fe 44 if(switch2==0&&switch3==0)
christianjaunich 0:6418a1bc89fe 45 {
christianjaunich 0:6418a1bc89fe 46 break;
christianjaunich 0:6418a1bc89fe 47 }
christianjaunich 0:6418a1bc89fe 48 }
christianjaunich 0:6418a1bc89fe 49 }
christianjaunich 0:6418a1bc89fe 50 }
christianjaunich 0:6418a1bc89fe 51 }