ECE3872 HW/SW Project Code
Dependencies: mbed Servo mbed-rtos 4DGL-uLCD-SE PinDetect X_NUCLEO_53L0A1
Speaker.h
- Committer:
- trmontgomery
- Date:
- 2020-04-14
- Revision:
- 26:2063ee8419cc
- Parent:
- 2:6302c949b133
File content as of revision 26:2063ee8419cc:
#include "mbed.h" // a 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; };