Student lab skeleton code to test color LCD, 4 pushbuttons, and speaker setup. Moves a robot image on 4G sys LCD.
Dependencies: 4DGL-uLCD-SE PinDetect mbed
Speaker.h
- Committer:
- 4180_1
- Date:
- 2015-01-23
- Revision:
- 0:343fbeea672c
File content as of revision 0:343fbeea672c:
#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; };