Revision 0:de1c628c1495, committed 2014-03-27

Comitter:

migool

Date:

Thu Mar 27 23:29:50 2014 +0000

Commit message:

Libreria para usar Sensor MaxSonar EZ01 con PulseWidth

Changed in this revision

diff -r 000000000000 -r de1c628c1495 MaxSonar.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MaxSonar.cpp	Thu Mar 27 23:29:50 2014 +0000
@@ -0,0 +1,29 @@
+#include "MaxSonar.h"
+#include "mbed.h"
+Timer us;
+
+MaxSonar::MaxSonar(PinName pin):_pin(pin){
+}
+
+void MaxSonar::up(){
+    us.start();
+    }
+void MaxSonar::down(){
+    us.stop();
+    }
+float MaxSonar::pulse(){
+    _pin.rise(this,&MaxSonar::up);
+    _pin.fall(this,&MaxSonar::down);
+    float time=us.read();
+    return time;
+    }
+float MaxSonar::getinches(){
+    float in=MaxSonar::pulse()/0.0058;
+    us.reset();
+    return in;
+    }
+float MaxSonar::getcm(){
+    float cm=MaxSonar::pulse()/0.0058*2.54;
+    us.reset();
+    return cm;  
+    }

diff -r 000000000000 -r de1c628c1495 MaxSonar.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MaxSonar.h	Thu Mar 27 23:29:50 2014 +0000
@@ -0,0 +1,18 @@
+#ifndef MBED_MAXSONAR_H
+#define MBED_MAXSONAR_H
+
+#include "mbed.h"
+
+class MaxSonar{
+public:
+    MaxSonar(PinName pin);
+    float getinches();
+    float getcm();
+private:
+    InterruptIn _pin;
+    void up();
+    void down();
+    float pulse();
+};
+
+#endif
\ No newline at end of file