Bertie Harte / Mbed 2 deprecated Intrumentation_lab_2_4_1_Speakermodified

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Dependencies:   mbed

main.cpp

Committer:
BertieHarte
Date:
2019-07-28
Revision:
0:5742b01051e5
Child:
1:760c5b759868

File content as of revision 0:5742b01051e5:

#include "mbed.h"

DigitalIn fire(p14); // centre pin of joystick.
PwmOut spkr(p26); // speaker output

int main() {
    while(1) {
        for (float i=2000.0; i<10000; i+=100) { // increment i by 200 each loop if the value at teh start of the loo is less than 1000
            spkr.period(1.0/i);
            spkr=0.5;
            wait(0.1);
    }
    spkr=0.0;
    while(!fire) {}
    }
}