Two player imu pong
Dependencies: 4DGL-uLCD-SE IMUfilter LSM9DS0 PinDetect mbed
Speaker.h@0:941225f01ccc, 2015-10-22 (annotated)
- Committer:
- rrr93
- Date:
- Thu Oct 22 16:50:22 2015 +0000
- Revision:
- 0:941225f01ccc
qewrt
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
rrr93 | 0:941225f01ccc | 1 | #include "mbed.h" |
rrr93 | 0:941225f01ccc | 2 | // new class to play a note on Speaker based on PwmOut class |
rrr93 | 0:941225f01ccc | 3 | #ifndef _SPEAKER_H |
rrr93 | 0:941225f01ccc | 4 | #define _SPEAKER_H |
rrr93 | 0:941225f01ccc | 5 | class Speaker |
rrr93 | 0:941225f01ccc | 6 | { |
rrr93 | 0:941225f01ccc | 7 | public: |
rrr93 | 0:941225f01ccc | 8 | Speaker(PinName pin) : _pin(pin) { |
rrr93 | 0:941225f01ccc | 9 | // _pin(pin) means pass pin to the Speaker Constructor |
rrr93 | 0:941225f01ccc | 10 | } |
rrr93 | 0:941225f01ccc | 11 | // class method to play a note based on PwmOut class |
rrr93 | 0:941225f01ccc | 12 | void PlayNote(float frequency, float duration, float volume) { |
rrr93 | 0:941225f01ccc | 13 | _pin.period(1.0/frequency); |
rrr93 | 0:941225f01ccc | 14 | _pin = volume/2.0; |
rrr93 | 0:941225f01ccc | 15 | wait(duration); |
rrr93 | 0:941225f01ccc | 16 | _pin = 0.0; |
rrr93 | 0:941225f01ccc | 17 | } |
rrr93 | 0:941225f01ccc | 18 | |
rrr93 | 0:941225f01ccc | 19 | private: |
rrr93 | 0:941225f01ccc | 20 | PwmOut _pin; |
rrr93 | 0:941225f01ccc | 21 | }; |
rrr93 | 0:941225f01ccc | 22 | |
rrr93 | 0:941225f01ccc | 23 | #endif // _SPEAKER_H |