Jednostavni buzzer
buzzer
Revision 0:ccd9568bdbfc, committed 2021-12-09
- Comitter:
- dgerin
- Date:
- Thu Dec 09 08:07:47 2021 +0000
- Commit message:
- piezo zvucnik
Changed in this revision
buzzer.cpp | Show annotated file Show diff for this revision Revisions of this file |
buzzer.h | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/buzzer.cpp Thu Dec 09 08:07:47 2021 +0000 @@ -0,0 +1,23 @@ +#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); +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/buzzer.h Thu Dec 09 08:07:47 2021 +0000 @@ -0,0 +1,25 @@ +#ifndef MBED_BEEP_H +#define MBED_BEEP_H + +#include "mbed.h" + +namespace mbed { + +class Beep { + +public: + + Beep (PinName pin); + + void beep (float frequency, float time); + + void nobeep(); + +private : + PwmOut _pwm; + Timeout toff; +}; + +} +#endif + \ No newline at end of file