Kristof T'Jonck / Mbed 2 deprecated Project2

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Dependencies:   C12832 EthernetInterface LM75B mbed-rtos mbed

Fork of app-board-LM75B by Chris Styles

Speaker.cpp@6:77a4c45f6416, 2017-03-23 (annotated)

Committer:
gimohd
Date:
Thu Mar 23 12:51:27 2017 +0000
Revision:
6:77a4c45f6416
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gimohd 6:77a4c45f6416 1 #include "Speaker.h"
gimohd 6:77a4c45f6416 2
gimohd 6:77a4c45f6416 3
gimohd 6:77a4c45f6416 4 float Speaker::soundValues[17][3] = {
gimohd 6:77a4c45f6416 5 {110, 480, 100} ,//1
gimohd 6:77a4c45f6416 6 {110, 480, 100} ,//2
gimohd 6:77a4c45f6416 7 {110, 480, 100} ,//3
gimohd 6:77a4c45f6416 8 {98, 360, 75} ,//4
gimohd 6:77a4c45f6416 9 {130, 120, 100} ,//5
gimohd 6:77a4c45f6416 10 {110, 480, 100} ,//6
gimohd 6:77a4c45f6416 11 {98, 360, 75} ,//7
gimohd 6:77a4c45f6416 12 {130, 120, 100} ,//8
gimohd 6:77a4c45f6416 13 {110, 960, 100} ,//9
gimohd 6:77a4c45f6416 14 {165, 480, 100} ,//10
gimohd 6:77a4c45f6416 15 {165, 480, 100} ,//11
gimohd 6:77a4c45f6416 16 {165, 480, 100} ,//12
gimohd 6:77a4c45f6416 17 {175, 360, 75} ,//13
gimohd 6:77a4c45f6416 18 {130, 120, 100} ,//14
gimohd 6:77a4c45f6416 19 {104, 480, 100} ,//15
gimohd 6:77a4c45f6416 20 {98, 360, 75} ,//16
gimohd 6:77a4c45f6416 21 {130, 120, 100} //17
gimohd 6:77a4c45f6416 22 };
gimohd 6:77a4c45f6416 23
gimohd 6:77a4c45f6416 24 Speaker::Speaker(PinName pin) :PwmOut(pin)
gimohd 6:77a4c45f6416 25 {
gimohd 6:77a4c45f6416 26
gimohd 6:77a4c45f6416 27 }
gimohd 6:77a4c45f6416 28
gimohd 6:77a4c45f6416 29 Speaker::~Speaker()
gimohd 6:77a4c45f6416 30 {
gimohd 6:77a4c45f6416 31 delete this;
gimohd 6:77a4c45f6416 32 }
gimohd 6:77a4c45f6416 33
gimohd 6:77a4c45f6416 34 void Speaker::play(int number)
gimohd 6:77a4c45f6416 35 {
gimohd 6:77a4c45f6416 36 float freq = 0;
gimohd 6:77a4c45f6416 37 float duration = 0;
gimohd 6:77a4c45f6416 38 float delay = 0;
gimohd 6:77a4c45f6416 39 for (int i = 1; i < number; i++) {
gimohd 6:77a4c45f6416 40 freq = soundValues[i-1][0];
gimohd 6:77a4c45f6416 41 duration = soundValues[i-1][1];
gimohd 6:77a4c45f6416 42 delay = soundValues[i-1][2];
gimohd 6:77a4c45f6416 43 playSound(freq ,duration, delay);
gimohd 6:77a4c45f6416 44 }
gimohd 6:77a4c45f6416 45 }
gimohd 6:77a4c45f6416 46
gimohd 6:77a4c45f6416 47 void Speaker::playSound(float frequency, float duration, float delay)
gimohd 6:77a4c45f6416 48 {
gimohd 6:77a4c45f6416 49 this->period(1.0/frequency);
gimohd 6:77a4c45f6416 50 this->write(0.5);
gimohd 6:77a4c45f6416 51 wait_ms(duration);
gimohd 6:77a4c45f6416 52 this->write(0.0);
gimohd 6:77a4c45f6416 53 this->period(0.0005);
gimohd 6:77a4c45f6416 54 wait_ms(delay);
gimohd 6:77a4c45f6416 55 }