Joseph Forde / Mbed 2 deprecated JF_Speaker_3

Speaker_3

Dependencies:   mbed

main.cpp@0:4a38049f8bdd, 2020-06-20 (annotated)

Committer:
mariana_batalim
Date:
Sat Jun 20 11:58:53 2020 +0000
Revision:
0:4a38049f8bdd
Child:
1:76c01cff7a71
T00215868_Speaker

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mariana_batalim 0:4a38049f8bdd 1 #include "mbed.h"
mariana_batalim 0:4a38049f8bdd 2
mariana_batalim 0:4a38049f8bdd 3 DigitalIn fire(p14);
mariana_batalim 0:4a38049f8bdd 4 PwmOut spkr(p26);
mariana_batalim 0:4a38049f8bdd 5 AnalogIn pot1(p19);
mariana_batalim 0:4a38049f8bdd 6 float start=2000.0;
mariana_batalim 0:4a38049f8bdd 7 float end=10000.0;
mariana_batalim 0:4a38049f8bdd 8 float step=200.0;
mariana_batalim 0:4a38049f8bdd 9
mariana_batalim 0:4a38049f8bdd 10 int main(){
mariana_batalim 0:4a38049f8bdd 11 while (1) {
mariana_batalim 0:4a38049f8bdd 12 for (float i=start; i<end; i+=step) {
mariana_batalim 0:4a38049f8bdd 13 spkr.period(5.0/i);
mariana_batalim 0:4a38049f8bdd 14 spkr=(0.5);
mariana_batalim 0:4a38049f8bdd 15 wait(0.1);
mariana_batalim 0:4a38049f8bdd 16 }
mariana_batalim 0:4a38049f8bdd 17 spkr=0.0;
mariana_batalim 0:4a38049f8bdd 18 start=7000.0;
mariana_batalim 0:4a38049f8bdd 19 while(pot1.read() < 0.5) {} // this uses the pot to control the program
mariana_batalim 0:4a38049f8bdd 20 }
mariana_batalim 0:4a38049f8bdd 21 }