Max Brown / Mbed 2 deprecated Capacitive_Touch_Sensor_MP3_Player

Capacitive Touch Sensor Controlling an MP3 Player

Dependencies:   4DGL-uLCD-SE SDFileSystem TextLCD mbed wave_player

Speaker.h@0:1cb83aab3f9a, 2016-12-08 (annotated)

Committer:
maxmbrown
Date:
Thu Dec 08 20:20:09 2016 +0000
Revision:
0:1cb83aab3f9a
Capacitive Touch Sensor Controlling an MP3 Player

Who changed what in which revision?

UserRevisionLine numberNew contents of line
maxmbrown 0:1cb83aab3f9a 1 #include "mbed.h"
maxmbrown 0:1cb83aab3f9a 2 // new class to play a note on Speaker based on PwmOut class
maxmbrown 0:1cb83aab3f9a 3 class Speaker
maxmbrown 0:1cb83aab3f9a 4 {
maxmbrown 0:1cb83aab3f9a 5 public:
maxmbrown 0:1cb83aab3f9a 6 Speaker(PinName pin) : _pin(pin) {
maxmbrown 0:1cb83aab3f9a 7 // _pin(pin) means pass pin to the Speaker Constructor
maxmbrown 0:1cb83aab3f9a 8 }
maxmbrown 0:1cb83aab3f9a 9 // class method to play a note based on PwmOut class
maxmbrown 0:1cb83aab3f9a 10 void PlayNote(float frequency, float duration, float volume) {
maxmbrown 0:1cb83aab3f9a 11 _pin.period(1.0/frequency);
maxmbrown 0:1cb83aab3f9a 12 _pin = volume/2.0;
maxmbrown 0:1cb83aab3f9a 13 wait(duration);
maxmbrown 0:1cb83aab3f9a 14 _pin = 0.0;
maxmbrown 0:1cb83aab3f9a 15 }
maxmbrown 0:1cb83aab3f9a 16
maxmbrown 0:1cb83aab3f9a 17 private:
maxmbrown 0:1cb83aab3f9a 18 PwmOut _pin;
maxmbrown 0:1cb83aab3f9a 19 };