Suyash Matoli / Mbed 2 deprecated ECE4180Lab4

IoT IR Distance Sensor Robot

Dependencies:   Motordriver mbed

Speaker.h@0:dd2edc44362a, 2016-03-16 (annotated)

Committer:
suyash95
Date:
Wed Mar 16 17:10:55 2016 +0000
Revision:
0:dd2edc44362a
IoT IR Deistance Sensor Robot

Who changed what in which revision?

UserRevisionLine numberNew contents of line
suyash95 0:dd2edc44362a 1 #include "mbed.h"
suyash95 0:dd2edc44362a 2 // new class to play a note on Speaker based on PwmOut class
suyash95 0:dd2edc44362a 3 class Speaker
suyash95 0:dd2edc44362a 4 {
suyash95 0:dd2edc44362a 5 public:
suyash95 0:dd2edc44362a 6 Speaker(PinName pin) : _pin(pin) {
suyash95 0:dd2edc44362a 7 // _pin(pin) means pass pin to the Speaker Constructor
suyash95 0:dd2edc44362a 8 }
suyash95 0:dd2edc44362a 9 // class method to play a note based on PwmOut class
suyash95 0:dd2edc44362a 10 void PlayNote(float frequency, float duration, float volume) {
suyash95 0:dd2edc44362a 11 _pin.period(1.0/frequency);
suyash95 0:dd2edc44362a 12 _pin = volume/2.0;
suyash95 0:dd2edc44362a 13 wait(duration);
suyash95 0:dd2edc44362a 14 _pin = 0.0;
suyash95 0:dd2edc44362a 15 }
suyash95 0:dd2edc44362a 16
suyash95 0:dd2edc44362a 17 private:
suyash95 0:dd2edc44362a 18 PwmOut _pin;
suyash95 0:dd2edc44362a 19 };