buzzer library
Dependents: SABLJIC_SEMAFORPROJEKT
buzzer.h@0:01eac446ef9f, 2016-05-05 (annotated)
- Committer:
- Reniboy
- Date:
- Thu May 05 00:28:41 2016 +0000
- Revision:
- 0:01eac446ef9f
- Child:
- 1:622b1d533a1c
Working version 1.0;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Reniboy | 0:01eac446ef9f | 1 | #ifndef MBED_BEEP_H |
Reniboy | 0:01eac446ef9f | 2 | #define MBED_BEEP_H |
Reniboy | 0:01eac446ef9f | 3 | |
Reniboy | 0:01eac446ef9f | 4 | #include "mbed.h" |
Reniboy | 0:01eac446ef9f | 5 | |
Reniboy | 0:01eac446ef9f | 6 | /** class to make sound with a buzzer, roughly based on a library created by Peter Drescher |
Reniboy | 0:01eac446ef9f | 7 | * The class use a timeout to switch off the sound - it is not blocking while making noise |
Reniboy | 0:01eac446ef9f | 8 | * |
Reniboy | 0:01eac446ef9f | 9 | * Example: |
Reniboy | 0:01eac446ef9f | 10 | * @code |
Reniboy | 0:01eac446ef9f | 11 | * // Beep with 1Khz for 0.5 seconds |
Reniboy | 0:01eac446ef9f | 12 | * #include "mbed.h" |
Reniboy | 0:01eac446ef9f | 13 | * #include "buzzer.h" |
Reniboy | 0:01eac446ef9f | 14 | * |
Reniboy | 0:01eac446ef9f | 15 | * Beep buzzer(PTC2); |
Reniboy | 0:01eac446ef9f | 16 | * |
Reniboy | 0:01eac446ef9f | 17 | * int main() { |
Reniboy | 0:01eac446ef9f | 18 | * ... |
Reniboy | 0:01eac446ef9f | 19 | * buzzer.beep(1000,0.5); |
Reniboy | 0:01eac446ef9f | 20 | * ... |
Reniboy | 0:01eac446ef9f | 21 | * } |
Reniboy | 0:01eac446ef9f | 22 | * @endcode |
Reniboy | 0:01eac446ef9f | 23 | */ |
Reniboy | 0:01eac446ef9f | 24 | |
Reniboy | 0:01eac446ef9f | 25 | |
Reniboy | 0:01eac446ef9f | 26 | namespace mbed { |
Reniboy | 0:01eac446ef9f | 27 | |
Reniboy | 0:01eac446ef9f | 28 | /* Class: Beep |
Reniboy | 0:01eac446ef9f | 29 | * A class witch uses pwm to controle a beeper to generate sounds. |
Reniboy | 0:01eac446ef9f | 30 | */ |
Reniboy | 0:01eac446ef9f | 31 | class Beep { |
Reniboy | 0:01eac446ef9f | 32 | |
Reniboy | 0:01eac446ef9f | 33 | public: |
Reniboy | 0:01eac446ef9f | 34 | |
Reniboy | 0:01eac446ef9f | 35 | /** Create a Beep object connected to the specified PwmOut pin |
Reniboy | 0:01eac446ef9f | 36 | * |
Reniboy | 0:01eac446ef9f | 37 | * @param pin PwmOut pin to connect to |
Reniboy | 0:01eac446ef9f | 38 | */ |
Reniboy | 0:01eac446ef9f | 39 | Beep (PinName pin); |
Reniboy | 0:01eac446ef9f | 40 | |
Reniboy | 0:01eac446ef9f | 41 | /** Beep with given frequency and duration. |
Reniboy | 0:01eac446ef9f | 42 | * |
Reniboy | 0:01eac446ef9f | 43 | * @param frequency - the frequency of the tone in Hz |
Reniboy | 0:01eac446ef9f | 44 | * @param time - the duration of the tone in seconds |
Reniboy | 0:01eac446ef9f | 45 | */ |
Reniboy | 0:01eac446ef9f | 46 | void beep (float frequency, float time); |
Reniboy | 0:01eac446ef9f | 47 | |
Reniboy | 0:01eac446ef9f | 48 | /** stop the beep instantaneous |
Reniboy | 0:01eac446ef9f | 49 | * usually not used |
Reniboy | 0:01eac446ef9f | 50 | */ |
Reniboy | 0:01eac446ef9f | 51 | void nobeep(); |
Reniboy | 0:01eac446ef9f | 52 | |
Reniboy | 0:01eac446ef9f | 53 | private : |
Reniboy | 0:01eac446ef9f | 54 | PwmOut _pwm; |
Reniboy | 0:01eac446ef9f | 55 | Timeout toff; |
Reniboy | 0:01eac446ef9f | 56 | }; |
Reniboy | 0:01eac446ef9f | 57 | |
Reniboy | 0:01eac446ef9f | 58 | } |
Reniboy | 0:01eac446ef9f | 59 | #endif |
Reniboy | 0:01eac446ef9f | 60 | |
Reniboy | 0:01eac446ef9f | 61 |