Added Yat Task to thread the gain searching

src/AutoSearchGainThread.cpp

-static const char *RcsId = "$Header: /users/chaize/newsvn/cvsroot/Instrumentation/Femto/src/AutoSearchGainThread.cpp,v 1.3 2011-02-15 12:15:12 buteau Exp $";
-//+=============================================================================
-//
-// file :         AutoSearchGainThread.cpp
-//
-// description :  Thread for automatically searching the good gain
-//
-// project :      TANGO Device Server
-//
-// $Author: buteau $
-//
-// $Revision: 1.3 $
-//
-// $Log: not supported by cvs2svn $
-//
-// copyleft :     Synchrotron SOLEIL
-//                L'Orme des Merisiers
-//                Saint-Aubin - BP 48
-//
-//+=============================================================================
-
-
-
-#include <tango.h>
-#include <FemtoCurrentAmplifier.h>
-
-namespace FemtoCurrentAmplifier_ns
-{
-	
-AutoSearchGainThread::AutoSearchGainThread (FemtoCurrentAmplifier* femto_device, omni_mutex* m) : 
-											omni_thread(),mutex(m),Tango::LogAdapter((Tango::DeviceImpl *)femto_device)
-{
-	DEBUG_STREAM << ">>>> AutoSearchGainThread::AutoSearchGainThread(): entering ....!" << endl;
-	femto_device_ = femto_device;
-	start_undetached();
-}
-
-AutoSearchGainThread::~AutoSearchGainThread ()
-{
-	DEBUG_STREAM << "DTOR:  AutoSearchGainThread::~AutoSearchGainThread: entering ....!" << endl;
-}
-
-//
-// AutoSearchGainThread::run_undetached 
-//
-void *AutoSearchGainThread::run_undetached (void *arg)
-{
-	DEBUG_STREAM << ">>>> AutoSearchGainThread starting up!" << endl;
-
-	//- Start the Loop on Gains
-	for(int i = femto_device_->MAX_GAIN_INDEX;i > -1; i--)
-	{
-		//- set the gain
-		Tango::WAttribute &watt = femto_device_->dev_attr->get_w_attr_by_name("gain");
-		watt.set_write_value((short)i);
-		femto_device_->write_gain(watt);
-		omni_thread::sleep(100);
-		//- read Overload
-		Tango::Attribute &att1 = femto_device_->dev_attr->get_attr_by_name("overload");
-		femto_device_->read_overload(att1);
-		//- Check if overload happen: 1->overload , 0->not overload
-		if(*(femto_device_->attr_overload_read) == 0)
-		{
-			INFO_STREAM << "Gain Found: gain value= " << i << endl;
-			femto_device_->set_state(Tango::ON);
-			femto_device_->set_status("Femto is in NORMAL operation");
-			return NULL;
-		}
-		else
-			INFO_STREAM << "Gain not Found, try with next one" << endl;
-
-	}
-
-	WARN_STREAM << "Gain Not Found: Maybe signal is too High" << endl;
-	//mutex.lock();
-	femto_device_->set_state(Tango::ON);
-	femto_device_->set_status("Femto is in NORMAL operation");
-	//mutex.unlock();
-
-	return NULL;
-
-
-}
-
-
-} //- FemtoCurrentAmplifier_ns
-