Diff: SharpDigiDist100/SharpDigiDist100.cpp

Revision:

0:a29bcf098632

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SharpDigiDist100/SharpDigiDist100.cpp	Mon Jun 18 09:27:10 2012 +0000
@@ -0,0 +1,56 @@
+#include "SharpDigiDist100.h"
+
+SharpDigiDist100::SharpDigiDist100(PinName pin):intin(pin),pinin(pin)
+{
+timer1.reset();
+intin.rise(this,&SharpDigiDist100::onInt);
+intin.fall(this,&SharpDigiDist100::onInt);
+timer1.start();
+//onInt();
+current = Far;
+//last = NA;
+onChangeAttached = false;
+}
+
+void SharpDigiDist100::onInt()
+{
+    timer1.stop();
+    last = current;
+    int timeFromLast = timer1.read_ms();
+    if (timeFromLast < 100)
+    {
+        current = Far;
+        timeout.attach(this,&SharpDigiDist100::onInt, 0.3);
+    }
+    else
+    {
+        if(pinin)
+        {
+            current = Mid;
+        }
+        else
+        {
+            current = Near;
+        }
+    }
+    if(current != last)
+    {
+        if(onChangeAttached)
+        {
+      onChange();
+      }
+    }
+    timer1.reset();
+    timer1.start();
+}
+
+int SharpDigiDist100::getDistance()
+{
+    return current;
+}
+
+void SharpDigiDist100::attachOnChange(void (*ptr) (void))
+{
+    onChange = ptr;
+    onChangeAttached = true;
+}
\ No newline at end of file