Phi Nguyen / Mbed 2 deprecated app-board-Speaker

My change.

Dependencies:   mbed

Fork of app-board-Speaker by Chris Styles

main.cpp@3:00613a6b0e8b, 2014-03-05 (annotated)

Committer:
209108
Date:
Wed Mar 05 03:49:12 2014 +0000
Revision:
3:00613a6b0e8b
Parent:
2:cfd337edff08 
Plays sound in a sine wave pitch pattern.

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Who changed what in which revision?

UserRevisionLine numberNew contents of line
chris 0:f86c572491c3 1 #include "mbed.h"
chris 0:f86c572491c3 2
chris 1:0a08d26b011a 3 DigitalIn fire(p14);
chris 1:0a08d26b011a 4 PwmOut spkr(p26);
209108 3:00613a6b0e8b 5 float theta = 0;
chris 0:f86c572491c3 6
chris 0:f86c572491c3 7 int main()
chris 0:f86c572491c3 8 {
chris 2:cfd337edff08 9 while (1) {
209108 3:00613a6b0e8b 10 for (float i=2000.0; i>0.0; i+=100) {
209108 3:00613a6b0e8b 11 theta += .2;
209108 3:00613a6b0e8b 12 spkr.period(sin(theta)/1000);
chris 2:cfd337edff08 13 spkr=0.5;
chris 2:cfd337edff08 14 wait(0.1);
chris 2:cfd337edff08 15 }
chris 2:cfd337edff08 16 spkr=0.0;
chris 2:cfd337edff08 17 while(!fire) {}
chris 0:f86c572491c3 18 }
chris 0:f86c572491c3 19 }