SNAKE GAME
Dependencies: mbed wave_player 4DGL-uLCD-SE MMA8452
Speaker.h@0:24041b847eb5, 2020-11-25 (annotated)
- Committer:
- congvu
- Date:
- Wed Nov 25 04:25:25 2020 +0000
- Revision:
- 0:24041b847eb5
ECE2035 SNAKE GAME;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
congvu | 0:24041b847eb5 | 1 | #include "mbed.h" |
congvu | 0:24041b847eb5 | 2 | // new class to play a note on Speaker based on PwmOut class |
congvu | 0:24041b847eb5 | 3 | class Speaker |
congvu | 0:24041b847eb5 | 4 | { |
congvu | 0:24041b847eb5 | 5 | public: |
congvu | 0:24041b847eb5 | 6 | Speaker(PinName pin) : _pin(pin) { |
congvu | 0:24041b847eb5 | 7 | // _pin(pin) means pass pin to the Speaker Constructor |
congvu | 0:24041b847eb5 | 8 | } |
congvu | 0:24041b847eb5 | 9 | // class method to play a note based on PwmOut class |
congvu | 0:24041b847eb5 | 10 | void PlayNote(float frequency, float duration, float volume) { |
congvu | 0:24041b847eb5 | 11 | _pin.period(1.0/frequency); |
congvu | 0:24041b847eb5 | 12 | _pin = volume/2.0; |
congvu | 0:24041b847eb5 | 13 | wait(duration); |
congvu | 0:24041b847eb5 | 14 | _pin = 0.0; |
congvu | 0:24041b847eb5 | 15 | } |
congvu | 0:24041b847eb5 | 16 | |
congvu | 0:24041b847eb5 | 17 | private: |
congvu | 0:24041b847eb5 | 18 | PwmOut _pin; |
congvu | 0:24041b847eb5 | 19 | }; |