David Mc Sherry / Mbed 2 deprecated INS_LAB_Q5

Speaker

Dependencies:   mbed

main.cpp@0:8036f3c2c176, 2021-08-19 (annotated)

Committer:
t00214916
Date:
Thu Aug 19 20:09:19 2021 +0000
Revision:
0:8036f3c2c176
Speaker

Who changed what in which revision?

UserRevisionLine numberNew contents of line
t00214916 0:8036f3c2c176 1 #include "mbed.h"
t00214916 0:8036f3c2c176 2 DigitalIn fire(p14);
t00214916 0:8036f3c2c176 3 PwmOut spkr(p26);
t00214916 0:8036f3c2c176 4 AnalogIn pot1(p19);
t00214916 0:8036f3c2c176 5 float start=2000; // Float values to make it easier for second speaker code
t00214916 0:8036f3c2c176 6 float finish=10000;
t00214916 0:8036f3c2c176 7 float step=200;
t00214916 0:8036f3c2c176 8
t00214916 0:8036f3c2c176 9 int main()
t00214916 0:8036f3c2c176 10 {
t00214916 0:8036f3c2c176 11 while (1) {
t00214916 0:8036f3c2c176 12 for (float i=start; i<finish; i+=step) { // Same code as original
t00214916 0:8036f3c2c176 13 spkr.period(1.0/i);
t00214916 0:8036f3c2c176 14 spkr=0.5;
t00214916 0:8036f3c2c176 15 wait(0.1);
t00214916 0:8036f3c2c176 16 }
t00214916 0:8036f3c2c176 17 spkr=0.0;
t00214916 0:8036f3c2c176 18
t00214916 0:8036f3c2c176 19 start += 5000; // The second speaker sequence
t00214916 0:8036f3c2c176 20 if (start >= 5000){
t00214916 0:8036f3c2c176 21 start = 1000;
t00214916 0:8036f3c2c176 22 }
t00214916 0:8036f3c2c176 23
t00214916 0:8036f3c2c176 24
t00214916 0:8036f3c2c176 25 while(pot1.read() < 0.5) {} // this uses the pot to control the program
t00214916 0:8036f3c2c176 26 }
t00214916 0:8036f3c2c176 27 }