Nerea Gomez / GROVE_SOUND

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Diff: GROVE_SOUND.cpp

Revision:
0:fa75a7cf49b6
--- /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;
+    }