frogger game revision
Dependencies: 4DGL-uLCD-SE MMA8452 SDFileSystem mbed wave_player
Fork of ECE2035_FroggerGame_SUM2015 by
Speaker.h@9:47f07aa85f1a, 2016-02-01 (annotated)
- Committer:
- ssong86
- Date:
- Mon Feb 01 06:43:06 2016 +0000
- Revision:
- 9:47f07aa85f1a
frogger
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ssong86 | 9:47f07aa85f1a | 1 | #include "mbed.h" |
ssong86 | 9:47f07aa85f1a | 2 | // a new class to play a note on Speaker based on PwmOut class |
ssong86 | 9:47f07aa85f1a | 3 | class Speaker |
ssong86 | 9:47f07aa85f1a | 4 | { |
ssong86 | 9:47f07aa85f1a | 5 | public: |
ssong86 | 9:47f07aa85f1a | 6 | Speaker(PinName pin) : _pin(pin) { |
ssong86 | 9:47f07aa85f1a | 7 | // _pin(pin) means pass pin to the Speaker Constructor |
ssong86 | 9:47f07aa85f1a | 8 | } |
ssong86 | 9:47f07aa85f1a | 9 | // class method to play a note based on PwmOut class |
ssong86 | 9:47f07aa85f1a | 10 | void PlayNote(float frequency, float duration, float volume) { |
ssong86 | 9:47f07aa85f1a | 11 | _pin.period(1.0/frequency); |
ssong86 | 9:47f07aa85f1a | 12 | _pin = volume/2.0; |
ssong86 | 9:47f07aa85f1a | 13 | wait(duration); |
ssong86 | 9:47f07aa85f1a | 14 | _pin = 0.0; |
ssong86 | 9:47f07aa85f1a | 15 | } |
ssong86 | 9:47f07aa85f1a | 16 | |
ssong86 | 9:47f07aa85f1a | 17 | private: |
ssong86 | 9:47f07aa85f1a | 18 | PwmOut _pin; |
ssong86 | 9:47f07aa85f1a | 19 | }; |