Clock
Dependencies: 4DGL-uLCD-SE EthernetInterface NTPClient TextLCD mbed PinDetect SDFileSystem wave_player mbed-rtos
Fork of Internet_LCD_Clock by
Speaker.h@5:818735a07b88, 2016-04-20 (annotated)
- Committer:
- ashea6
- Date:
- Wed Apr 20 20:28:20 2016 +0000
- Revision:
- 5:818735a07b88
wave error
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ashea6 | 5:818735a07b88 | 1 | #include "mbed.h" |
ashea6 | 5:818735a07b88 | 2 | // new class to play a note on Speaker based on PwmOut class |
ashea6 | 5:818735a07b88 | 3 | class Speaker |
ashea6 | 5:818735a07b88 | 4 | { |
ashea6 | 5:818735a07b88 | 5 | public: |
ashea6 | 5:818735a07b88 | 6 | Speaker(PinName pin) : _pin(pin) { |
ashea6 | 5:818735a07b88 | 7 | // _pin(pin) means pass pin to the Speaker Constructor |
ashea6 | 5:818735a07b88 | 8 | } |
ashea6 | 5:818735a07b88 | 9 | // class method to play a note based on PwmOut class |
ashea6 | 5:818735a07b88 | 10 | void PlayNote(float frequency, float duration, float volume) { |
ashea6 | 5:818735a07b88 | 11 | _pin.period(1.0/frequency); |
ashea6 | 5:818735a07b88 | 12 | _pin = volume/2.0; |
ashea6 | 5:818735a07b88 | 13 | wait(duration); |
ashea6 | 5:818735a07b88 | 14 | _pin = 0.0; |
ashea6 | 5:818735a07b88 | 15 | } |
ashea6 | 5:818735a07b88 | 16 | |
ashea6 | 5:818735a07b88 | 17 | private: |
ashea6 | 5:818735a07b88 | 18 | PwmOut _pin; |
ashea6 | 5:818735a07b88 | 19 | }; |