Joseph Boettcher / Mbed 2 deprecated uLCD_Robot_2

complete

Dependencies:   4DGL-uLCD-SE PinDetect mbed

Fork of my2036lab2robotLCD by jim hamblen

Speaker.h@1:5a1311f0ea06, 2016-11-06 (annotated)

Committer:
jboettcher
Date:
Sun Nov 06 22:25:24 2016 +0000
Revision:
1:5a1311f0ea06
Parent:
0:343fbeea672c 
complete;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
4180_1 0:343fbeea672c 1 #include "mbed.h"
4180_1 0:343fbeea672c 2 // new class to play a note on Speaker based on PwmOut class
4180_1 0:343fbeea672c 3 class Speaker
4180_1 0:343fbeea672c 4 {
4180_1 0:343fbeea672c 5 public:
4180_1 0:343fbeea672c 6 Speaker(PinName pin) : _pin(pin) {
4180_1 0:343fbeea672c 7 // _pin(pin) means pass pin to the Speaker Constructor
4180_1 0:343fbeea672c 8 }
4180_1 0:343fbeea672c 9 // class method to play a note based on PwmOut class
4180_1 0:343fbeea672c 10 void PlayNote(float frequency, float duration, float volume) {
4180_1 0:343fbeea672c 11 _pin.period(1.0/frequency);
4180_1 0:343fbeea672c 12 _pin = volume/2.0;
4180_1 0:343fbeea672c 13 wait(duration);
4180_1 0:343fbeea672c 14 _pin = 0.0;
4180_1 0:343fbeea672c 15 }
4180_1 0:343fbeea672c 16
4180_1 0:343fbeea672c 17 private:
4180_1 0:343fbeea672c 18 PwmOut _pin;
4180_1 0:343fbeea672c 19 };