Joseph Forde / Mbed 2 deprecated JF_Speaker_1

Speaker_1

Dependencies:   mbed

main.cpp@0:4d8659571a83, 2020-07-28 (annotated)

Committer:
jforde
Date:
Tue Jul 28 11:56:43 2020 +0000
Revision:
0:4d8659571a83
Speaker_1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jforde 0:4d8659571a83 1 #include "mbed.h" //Preprocessor Directives
jforde 0:4d8659571a83 2
jforde 0:4d8659571a83 3 DigitalIn fire(p14); // Declarations
jforde 0:4d8659571a83 4 PwmOut spkr(p26);
jforde 0:4d8659571a83 5 AnalogIn pot1(p19);
jforde 0:4d8659571a83 6 float start=2000.0;
jforde 0:4d8659571a83 7 float end=10000.0;
jforde 0:4d8659571a83 8 float step=100;
jforde 0:4d8659571a83 9
jforde 0:4d8659571a83 10 int main() //instructions in main () function
jforde 0:4d8659571a83 11 {
jforde 0:4d8659571a83 12 while (1) {
jforde 0:4d8659571a83 13 {for (float i= start; i<end; i+=step) {
jforde 0:4d8659571a83 14 spkr.period(1.0/i);
jforde 0:4d8659571a83 15 spkr=0.5;
jforde 0:4d8659571a83 16 wait(0.1);}
jforde 0:4d8659571a83 17 {for (float i= start; i<end; i+=step) {
jforde 0:4d8659571a83 18 spkr.period(1.0/i);
jforde 0:4d8659571a83 19 spkr=0.9;
jforde 0:4d8659571a83 20 wait(0.3);}
jforde 0:4d8659571a83 21 }
jforde 0:4d8659571a83 22 spkr=0.0;
jforde 0:4d8659571a83 23 while(pot1.read() < 0.5) {} // this uses the pot to control the program
jforde 0:4d8659571a83 24
jforde 0:4d8659571a83 25 }
jforde 0:4d8659571a83 26 }
jforde 0:4d8659571a83 27 }