Jay Balar / Mbed 2 deprecated 4180_Project_3

Sound update

Dependencies:   4DGL-uLCD-SE Physac-MBED PinDetect SDFileSystem mbed-rtos mbed

Speaker.h@11:e00a208bd85a, 22 months ago (annotated)

Committer:
jstephens78
Date:
Tue Nov 29 23:05:30 2022 +0000
Revision:
11:e00a208bd85a
Child:
26:163d7ca8c42d
Update speaker thread. Project now builds

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jstephens78 11:e00a208bd85a 1 #include "mbed.h"
jstephens78 11:e00a208bd85a 2 // new class to play a note on Speaker based on PwmOut class
jstephens78 11:e00a208bd85a 3 class Speaker
jstephens78 11:e00a208bd85a 4 {
jstephens78 11:e00a208bd85a 5 public:
jstephens78 11:e00a208bd85a 6 Speaker(PinName pin) : _pin(pin)
jstephens78 11:e00a208bd85a 7 {
jstephens78 11:e00a208bd85a 8 // _pin(pin) means pass pin to the Speaker Constructor
jstephens78 11:e00a208bd85a 9 }
jstephens78 11:e00a208bd85a 10 // class method to play a note based on PwmOut class
jstephens78 11:e00a208bd85a 11 void PlayNote(float frequency, float duration, float volume)
jstephens78 11:e00a208bd85a 12 {
jstephens78 11:e00a208bd85a 13 _pin.period(1.0/frequency);
jstephens78 11:e00a208bd85a 14 _pin = volume/2.0;
jstephens78 11:e00a208bd85a 15 wait(duration);
jstephens78 11:e00a208bd85a 16 _pin = 0.0;
jstephens78 11:e00a208bd85a 17 }
jstephens78 11:e00a208bd85a 18
jstephens78 11:e00a208bd85a 19 private:
jstephens78 11:e00a208bd85a 20 PwmOut _pin;
jstephens78 11:e00a208bd85a 21 };