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Dependencies: 4DGL-uLCD-SE PinDetect SDFileSystem mbed wave_player
Speaker.h@0:5369e93c00ed, 2016-04-11 (annotated)
- Committer:
- agamemaker
- Date:
- Mon Apr 11 16:50:37 2016 +0000
- Revision:
- 0:5369e93c00ed
afdsad
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
agamemaker | 0:5369e93c00ed | 1 | #include "mbed.h" |
agamemaker | 0:5369e93c00ed | 2 | // new class to play a note on Speaker based on PwmOut class |
agamemaker | 0:5369e93c00ed | 3 | class Speaker |
agamemaker | 0:5369e93c00ed | 4 | { |
agamemaker | 0:5369e93c00ed | 5 | public: |
agamemaker | 0:5369e93c00ed | 6 | Speaker(PinName pin) : _pin(pin) { |
agamemaker | 0:5369e93c00ed | 7 | // _pin(pin) means pass pin to the Speaker Constructor |
agamemaker | 0:5369e93c00ed | 8 | } |
agamemaker | 0:5369e93c00ed | 9 | // class method to play a note based on PwmOut class |
agamemaker | 0:5369e93c00ed | 10 | void PlayNote(float frequency, float duration, float volume) { |
agamemaker | 0:5369e93c00ed | 11 | _pin.period(1.0/frequency); |
agamemaker | 0:5369e93c00ed | 12 | _pin = volume/2.0; |
agamemaker | 0:5369e93c00ed | 13 | wait(duration); |
agamemaker | 0:5369e93c00ed | 14 | _pin = 0.0; |
agamemaker | 0:5369e93c00ed | 15 | } |
agamemaker | 0:5369e93c00ed | 16 | |
agamemaker | 0:5369e93c00ed | 17 | private: |
agamemaker | 0:5369e93c00ed | 18 | PwmOut _pin; |
agamemaker | 0:5369e93c00ed | 19 | }; |