Diff: geigercounter.h

Revision:

0:a62f36392b9b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/geigercounter.h	Tue May 17 13:49:41 2011 +0000
@@ -0,0 +1,73 @@
+#ifndef MBED_GEIGERCOUNTER_H
+#define MBED_GEIGERCOUNTER_H
+#include "mbed.h"
+
+class Geigercounter {
+public:
+    Geigercounter(PinName pin,PinName spin) : _interrupt(pin),_speaker(spin),_speakerstop(){        
+        _interrupt.rise(this, &Geigercounter::increment); 
+        
+        //speaker setup sound off
+        _speaker.period(1.0/2000.0);
+        _speaker=0.0;
+        _speakeron=true;
+    }
+
+    void start(){
+      _count=0;
+      _starttime=time(NULL);
+      _geigerrun=true;
+    }
+    
+    void stop(){
+      _geigerrun=false;
+      _stoptime=time(NULL);
+      
+    }
+    
+    void soundon(){
+      _speakeron=true;
+    }
+    
+    void soundoff(){
+     _speakeron=false;
+    }
+     
+    
+    float getcps();
+    float getcpm();    
+    
+    int read() {
+        return _count;
+    }
+
+private:
+    void _speakeroff(){
+      _speaker=0;
+    }
+    void increment() {
+      if(_geigerrun){
+      
+        _count++;
+        
+        //sound
+        if(_speakeron){
+          _speaker=0.5;
+          _speakerstop.attach(this,&Geigercounter::_speakeroff,0.02);
+        }
+      }
+    }
+
+    InterruptIn _interrupt;
+    PwmOut _speaker;
+    Timeout _speakerstop;
+    time_t       _starttime;
+    time_t       _stoptime;
+    volatile int _count;
+    volatile bool _geigerrun;
+    volatile bool _speakeron;
+
+};
+
+
+#endif
\ No newline at end of file