David Mc Sherry / Mbed 2 deprecated INS_LAB_Q5

Speaker

Dependencies:   mbed

main.cpp

Committer:
t00214916
Date:
2021-08-19
Revision:
0:8036f3c2c176

File content as of revision 0:8036f3c2c176:

#include "mbed.h"
DigitalIn fire(p14);
PwmOut spkr(p26);
AnalogIn pot1(p19);
float start=2000;   // Float values to make it easier for second speaker code
float finish=10000;
float step=200;
 
int main()
{
    while (1) {
        for (float i=start; i<finish; i+=step) {    // Same code as original
            spkr.period(1.0/i);
            spkr=0.5;
            wait(0.1);
        }
        spkr=0.0;
        
        start += 5000;      // The second speaker sequence
        if (start >= 5000){
            start = 1000;
            }
            
        
        while(pot1.read() < 0.5) {} // this uses the pot to control the program
    }
}