Nerea Gomez
/
GROVE_SOUND
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Revision 0:fa75a7cf49b6, committed 2017-07-02
- Comitter:
- ngomez
- Date:
- Sun Jul 02 11:33:55 2017 +0000
- Commit message:
- Library for grove sound sensor
Changed in this revision
| GROVE_SOUND.cpp | Show annotated file Show diff for this revision Revisions of this file |
| GROVE_SOUND.h | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r fa75a7cf49b6 GROVE_SOUND.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/GROVE_SOUND.cpp Sun Jul 02 11:33:55 2017 +0000
@@ -0,0 +1,23 @@
+#include "GROVE_SOUND.h"
+#include "mbed.h"
+
+GROVE_SOUND::GROVE_SOUND(PinName pin) : _pin(pin){
+ sum = 0;
+ average = 0;
+}
+
+float GROVE_SOUND::get_decibels(){
+
+ float values[1000];
+ for(int i=0;i<1000;i++){
+ values[i] = _pin.read()* 3.3;
+ wait(0.0001);
+ }
+
+ for(int j=0;j<1000;j++){
+ sum += values[j];
+ }
+ average = sum/1000;
+ decibels = average * 29;
+ return decibels;
+ }
diff -r 000000000000 -r fa75a7cf49b6 GROVE_SOUND.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/GROVE_SOUND.h Sun Jul 02 11:33:55 2017 +0000
@@ -0,0 +1,29 @@
+/***************************************************
+ This is a library for grove sound sensor
+
+ Written by Nerea Gómez.
+
+ ****************************************************/
+
+#ifndef MBED_GROVE_SOUND_H
+#define MBED_GROVE_SOUND_H
+#include "mbed.h"
+
+class GROVE_SOUND {
+ public:
+
+ GROVE_SOUND(PinName pin);
+ float get_decibels();
+
+ private:
+
+ AnalogIn _pin;
+ float decibels;
+ float values[1000];
+ float sum;
+ float average;
+
+};
+
+#endif
+
\ No newline at end of file