- new function to check for and read the light sensor

- redone the Model enum, to make it easier to check for "any iPAQ"
  !! This means every application using this enum has to be recompiled !!

2 files changed, 54 insertions, 5 deletions

diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index 58bd663..44fe35f 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -85,2 +85,5 @@ public:
         virtual bool setLedState ( OLed led, OLedState st );
+
+        virtual bool hasLightSensor ( ) const;
+        virtual int readLightSensor ( );
         
@@ -358,2 +361,11 @@ bool ODevice::setLedState ( OLed /*which*/, OLedState /*st*/ )
 
+bool ODevice::hasLightSensor ( ) const
+{
+        return false;
+}
+
+int ODevice::readLightSensor ( )
+{
+        return -1;
+}
 
@@ -668,2 +680,32 @@ int iPAQ::displayBrightnessResolution ( ) const
 
+bool iPAQ::hasLightSensor ( ) const
+{
+        return true;
+}
+
+int iPAQ::readLightSensor ( )
+{
+        int fd;
+        int val = -1;
+        
+        if (( fd = ::open ( "/proc/hal/lightsensor", O_RDONLY )) >= 0 ) {
+                char buffer [5];
+        
+                if ( ::read ( fd, buffer, 4 ) == 4 ) {
+                        char *endptr;
+                
+                        buffer [4] = 0;
+                        val = ::strtol ( buffer + 2, &endptr, 16 );
+                        
+                        if ( *endptr != 0 )
+                                val = -1;
+                }
+        
+                ::close ( fd );
+        }
+
+        return val;
+}
+
+
 /**************************************************
diff --git a/libopie/odevice.h b/libopie/odevice.h
index 38f3787..be2a9c7 100644
--- a/libopie/odevice.h
+++ b/libopie/odevice.h
@@ -32,8 +32,12 @@ enum OModel {
 
-        Model_iPAQ_H31xx,
-        Model_iPAQ_H36xx,
-        Model_iPAQ_H37xx,
-        Model_iPAQ_H38xx,
+        Model_iPAQ = ( 1 << 16 ),
 
-        Model_Zaurus_SL5000
+        Model_iPAQ_H31xx = ( Model_iPAQ | 1 ),
+        Model_iPAQ_H36xx = ( Model_iPAQ | 2 ),
+        Model_iPAQ_H37xx = ( Model_iPAQ | 3 ),
+        Model_iPAQ_H38xx = ( Model_iPAQ | 4 ),
+
+        Model_Zaurus = ( 2 << 16 ),
+
+        Model_Zaurus_SL5000 = ( Model_Zaurus | 1 ),
 };
@@ -131,2 +135,5 @@ public:
 
+        virtual bool hasLightSensor ( ) const;
+        virtual int readLightSensor ( );
+
         //virtual QValueList <int> keyList ( ) const;