Joseph Forde / Mbed 2 deprecated JF_Speaker_1

Speaker_1

Dependencies:   mbed

main.cpp

Committer:
jforde
Date:
2020-07-28
Revision:
0:4d8659571a83

File content as of revision 0:4d8659571a83:

#include "mbed.h"                     //Preprocessor Directives

DigitalIn fire(p14);                  // Declarations
PwmOut spkr(p26);
AnalogIn pot1(p19);
float start=2000.0; 
float end=10000.0; 
float step=100; 

int main()                      //instructions in main () function 
{
     while (1) {
        {for (float i= start; i<end; i+=step) {
        spkr.period(1.0/i);
        spkr=0.5;
        wait(0.1);}
        {for (float i= start; i<end; i+=step) {
        spkr.period(1.0/i);
        spkr=0.9;
        wait(0.3);}
        }
        spkr=0.0;
        while(pot1.read() < 0.5) {} // this uses the pot to control the program
    
        }
    }
}