![](/media/cache/profiles/ibmfp2.jpg.50x50_q85.jpg)
example skeleton code for student lab project
Dependencies: 4DGL-uLCD-SE PinDetect SDFileSystem mbed
Fork of mymbedthermostat by
Diff: Speaker.h
- Revision:
- 2:58d85409f7ff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Speaker.h Thu Jan 31 03:15:20 2013 +0000 @@ -0,0 +1,19 @@ +#include "mbed.h" +// new class to play a note on Speaker based on PwmOut class +class Speaker +{ +public: + Speaker(PinName pin) : _pin(pin) { +// _pin(pin) means pass pin to the Speaker Constructor + } +// class method to play a note based on PwmOut class + void PlayNote(float frequency, float duration, float volume) { + _pin.period(1.0/frequency); + _pin = volume/2.0; + wait(duration); + _pin = 0.0; + } + +private: + PwmOut _pin; +}; \ No newline at end of file