TVZ2021 / Piezo_zvucnik

Jednostavni buzzer

buzzer

buzzer.cpp

Committer:
dgerin
Date:
2021-12-09
Revision:
0:ccd9568bdbfc

File content as of revision 0:ccd9568bdbfc:

#include "buzzer.h"
#include "mbed.h"
 
using namespace mbed;
 
Beep::Beep(PinName pin) : _pwm(pin)
{
    _pwm.write(0.0);
}
 
void Beep::nobeep()
{
    _pwm.write(0.0);
}
 

void Beep::beep(float freq, float time)
{
 
    _pwm.period(1.0/freq);
    _pwm.write(0.5);
    toff.attach(this,&Beep::nobeep, time);
}