Removed most of the comments
Dependents: Hodak_MorseCoder LED_BOZICNE_LAMPICE
Diff: buzzer.h
- Revision:
- 0:01eac446ef9f
- Child:
- 1:622b1d533a1c
diff -r 000000000000 -r 01eac446ef9f buzzer.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/buzzer.h Thu May 05 00:28:41 2016 +0000 @@ -0,0 +1,61 @@ +#ifndef MBED_BEEP_H +#define MBED_BEEP_H + +#include "mbed.h" + +/** class to make sound with a buzzer, roughly based on a library created by Peter Drescher + * The class use a timeout to switch off the sound - it is not blocking while making noise + * + * Example: + * @code + * // Beep with 1Khz for 0.5 seconds + * #include "mbed.h" + * #include "buzzer.h" + * + * Beep buzzer(PTC2); + * + * int main() { + * ... + * buzzer.beep(1000,0.5); + * ... + * } + * @endcode + */ + + +namespace mbed { + +/* Class: Beep + * A class witch uses pwm to controle a beeper to generate sounds. + */ +class Beep { + +public: + +/** Create a Beep object connected to the specified PwmOut pin + * + * @param pin PwmOut pin to connect to + */ + Beep (PinName pin); + +/** 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 (float frequency, float time); + +/** stop the beep instantaneous + * usually not used + */ + void nobeep(); + +private : + PwmOut _pwm; + Timeout toff; +}; + +} +#endif + +