Jae Kyung Han / Mbed 2 deprecated MorseCode

Generate Morse code using console text input and output to LED and speaker.

Dependencies:   4DGL-uLCD-SE PinDetect mbed

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Show/hide line numbers Speaker.h Source File

Speaker.h

00001 #include "mbed.h"
00002 // new class to play a note on Speaker based on PwmOut class
00003 class Speaker
00004 {
00005     public:
00006         Speaker(PinName pin) : _pin(pin)
00007         {
00008             // _pin(pin) means pass pin to the Speaker Constructor
00009         }
00010         
00011         // class method to play a note based on PwmOut class
00012         void PlayNote(float frequency, float duration, float volume)
00013         {
00014             _pin.period(1.0/frequency); // higher number = more base
00015             _pin = volume/2.0;          // higher number = more weird treble
00016             wait(duration);
00017             _pin = 0.0;
00018         }
00019     
00020     private:
00021         PwmOut _pin;
00022 };
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