TVZ2020
/
buzzer.h@0:f563386d7c59, 2021-02-21 (annotated)
- Committer:
- djukicic
- Date:
- Sun Feb 21 17:26:30 2021 +0000
- Revision:
- 0:f563386d7c59
/
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| djukicic | 0:f563386d7c59 | 1 | #ifndef MBED_BEEP_H |
| djukicic | 0:f563386d7c59 | 2 | #define MBED_BEEP_H |
| djukicic | 0:f563386d7c59 | 3 | |
| djukicic | 0:f563386d7c59 | 4 | #include "mbed.h" |
| djukicic | 0:f563386d7c59 | 5 | |
| djukicic | 0:f563386d7c59 | 6 | namespace mbed { |
| djukicic | 0:f563386d7c59 | 7 | |
| djukicic | 0:f563386d7c59 | 8 | /* Class: Beep |
| djukicic | 0:f563386d7c59 | 9 | * A class which uses pwm to controle a beeper to generate sounds. |
| djukicic | 0:f563386d7c59 | 10 | */ |
| djukicic | 0:f563386d7c59 | 11 | class Beep { |
| djukicic | 0:f563386d7c59 | 12 | |
| djukicic | 0:f563386d7c59 | 13 | public: |
| djukicic | 0:f563386d7c59 | 14 | |
| djukicic | 0:f563386d7c59 | 15 | Beep (PinName pin);//Specified PwmOut pin for buzzer |
| djukicic | 0:f563386d7c59 | 16 | |
| djukicic | 0:f563386d7c59 | 17 | /** Beep with given frequency and duration. |
| djukicic | 0:f563386d7c59 | 18 | * |
| djukicic | 0:f563386d7c59 | 19 | * @param frequency - the frequency of the tone in Hz |
| djukicic | 0:f563386d7c59 | 20 | * @param time - the duration of the tone in seconds |
| djukicic | 0:f563386d7c59 | 21 | */ |
| djukicic | 0:f563386d7c59 | 22 | void beep (float frequency, float time); |
| djukicic | 0:f563386d7c59 | 23 | |
| djukicic | 0:f563386d7c59 | 24 | void nobeep(); |
| djukicic | 0:f563386d7c59 | 25 | |
| djukicic | 0:f563386d7c59 | 26 | private : |
| djukicic | 0:f563386d7c59 | 27 | PwmOut _pwm; |
| djukicic | 0:f563386d7c59 | 28 | Timeout toff; |
| djukicic | 0:f563386d7c59 | 29 | }; |
| djukicic | 0:f563386d7c59 | 30 | |
| djukicic | 0:f563386d7c59 | 31 | } |
| djukicic | 0:f563386d7c59 | 32 | #endif |