jednostavni buzzer
Dependents: konstrukcijski_zadatak
Diff: buzzer.cpp
- Revision:
- 0:9f85ba530763
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/buzzer.cpp Tue Nov 30 17:00:10 2021 +0000 @@ -0,0 +1,27 @@ +#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); +} + +/** Beep with given frequency and duration. + * + * @param frequency - the frequency of the tone in Hz + * @param time - the duration of the tone in seconds + */ +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