Sakis Kasampalis / Mbed 2 deprecated beep

Send a beep to a speaker

Dependencies:   mbed

beep.cpp

Committer:
faif
Date:
2017-01-22
Revision:
0:c2090cf6119d

File content as of revision 0:c2090cf6119d:

#include "mbed.h"
#include "beep.h"

static const float delay = 1E-3; // 0.001

int main() 
{
    while (true)
    {
        if (button)
        {
            play_sound(speaker, delay);
        }
    }
}


void play_sound(DigitalOut& speaker, float delay)
{
    speaker = 1;
    wait(delay);
    speaker = 0;
    wait(delay);
}