diff --git a/ahbuartplugin/ahbuartplugin.cpp b/ahbuartplugin/ahbuartplugin.cpp
--- a/ahbuartplugin/ahbuartplugin.cpp
+++ b/ahbuartplugin/ahbuartplugin.cpp
@@ -31,6 +31,7 @@
 #include <QStringList>
 #include <QLineEdit>
 #include <socexplorerproxy.h>
+#include <socexplorersettings.h>
 
 ahbuartplugin::ahbuartplugin(QWidget *parent):socexplorerplugin(parent,false)
 {
@@ -40,16 +41,11 @@ ahbuartplugin::ahbuartplugin(QWidget *pa
     this->setWidget((QWidget*)this->UI);
     QObject::connect(this,SIGNAL(activateSig(bool)),this->UI,SLOT(setConnected(bool)));
     QObject::connect(this->UI,SIGNAL(connectPortsig(QString,int)),this,SLOT(togglePort(QString,int)));
-//    this->pyObject = new ahbuartPywrapper(this);
-//    QObject::connect(((ahbuartPywrapper*)this->pyObject),SIGNAL(open(QString,int)),this,SLOT(open(QString,int)));
-//    QObject::connect(((ahbuartPywrapper*)this->pyObject),SIGNAL(close()),this,SLOT(close()));
-//    QObject::connect(((ahbuartPywrapper*)this->pyObject),SIGNAL(ReadBytes(uint,uint)),this,SLOT(ReadBytes(uint,uint)));
-//    QObject::connect(((ahbuartPywrapper*)this->pyObject),SIGNAL(WriteBytes(uint,QList<QVariant>)),this,SLOT(WriteBytes(uint,QList<QVariant>)));
     QObject::connect(this->UI,SIGNAL(rescanPorts()),this,SLOT(updatePortList()));
     QObject::connect(this,SIGNAL(addReadBytes(int)),this->UI,SLOT(addReadBytes(int)));
     QObject::connect(this,SIGNAL(addWritenBytes(int)),this->UI,SLOT(addWritenBytes(int)));
     this->portListcompleter = NULL;
-    this->scanDone = false;
+//    this->scanDone = false;
     updatePortList();
 }
 
@@ -61,6 +57,8 @@ ahbuartplugin::~ahbuartplugin()
         rs232close(this->port);
         this->port = (rs232port_t)NULL;
     }
+    SocExplorerSettings::setValue(this->instance(),"PORT",this->UI->portName(),SocExplorerSettings::Session);
+    SocExplorerSettings::setValue(this->instance(),"SPEED",this->UI->baudRate(),SocExplorerSettings::Session);
     this->UI->close();
     this->UI->~ahbUartPluginUI();
 }
@@ -169,10 +167,10 @@ void ahbuartplugin::connectPort(QString 
                 this->Connected = true;
                 SocExplorerEngine::message(this,QString("Connection success on ")+PortName,2);
                 emit this->activate(true);
-                if(this->scanDone==false)
+                if(!socexplorerproxy::haveChild(this,"AMBA_PLUGIN"))
                 {
                     socexplorerproxy::loadChildSysDriver(this,"AMBA_PLUGIN");
-                    this->scanDone=true;
+//                    this->scanDone=true;
                 }
                 this->UI->setSystemSpeed(this->detectSpeed());
                 break;
@@ -297,7 +295,7 @@ unsigned int ahbuartplugin::Read(unsigne
             CMD[4] = (char)((address)&0xFF);
             SAFEWRITE(CMD,5,timeout,1000,return 0);
             timeout.restart();
-            int avail=0;
+            unsigned int avail=0;
             do{
                 avail=rs232availablebytes(this->port);
                 if(timeout.elapsed()>1000)
@@ -357,7 +355,7 @@ unsigned int ahbuartplugin::Write(unsign
         QProgressBar* progress = NULL;
         if(count>128)
             progress = SocExplorerEngine::getProgressBar("Writing on uart @0x"+QString::number(address,16)+" %v of "+QString::number(count)+" words ",count);
-        int offset = 0;
+        unsigned int offset = 0;
         char* CMD= (char*)malloc((32*4)+5);
         writen=0;
         while(count>32)
@@ -469,7 +467,7 @@ QVariantList ahbuartplugin::ReadBytes(un
         result.append(QVariant((int)(0x0FF&(data[i]))));
     }
 
-    for(int i=0;i<(count%4);i++)
+    for(unsigned int i=0;i<(count%4);i++)
     {
         result.append(QVariant((int)(0x0FF&(data[count/4]>>((3-i)*8)))));
     }
@@ -499,7 +497,7 @@ int ahbuartplugin::detectSpeed()
     unsigned int scaler = 0,dsuVal1=0,dsuVal2=0;
     int speed=0;
     QElapsedTimer time;
-    if(dsuBaseAddress!=-1)
+    if((int)dsuBaseAddress!=-1)
     {
         time.start();
         if( this->Read(&dsuVal1,1,dsuBaseAddress+0x08)==1)
@@ -511,7 +509,7 @@ int ahbuartplugin::detectSpeed()
                 return ((dsuVal2-dsuVal1)/el)*1000;
         }
     }
-    if(ahbUartBaseAddress!=-1)
+    if((int)ahbUartBaseAddress!=-1)
     {
         if( this->Read(&scaler,1,ahbUartBaseAddress+0x0C)==1)
         {
@@ -525,10 +523,13 @@ int ahbuartplugin::detectSpeed()
 
 void ahbuartplugin::postInstantiationTrigger()
 {
-    if(this->scanDone && this->Connected)
+    if(this->Connected)
     {
         this->UI->setSystemSpeed(this->detectSpeed());
     }
+    QString portName = SocExplorerSettings::value(this->instance(),"PORT",this->UI->portName(),SocExplorerSettings::Session).toString();
+    int baudRate = SocExplorerSettings::value(this->instance(),"SPEED",this->UI->baudRate(),SocExplorerSettings::Session).toInt();
+    this->UI->setconfig(portName,baudRate);
 }
 
 
diff --git a/ahbuartplugin/ahbuartplugin.h b/ahbuartplugin/ahbuartplugin.h
--- a/ahbuartplugin/ahbuartplugin.h
+++ b/ahbuartplugin/ahbuartplugin.h
@@ -85,7 +85,7 @@ signals:
     void addWritenBytes(int count);
     void addReadBytes(int count);
 private:
-    bool scanDone;
+//    bool scanDone;
     QProgressDialog* progress;
     QLayout * mainLayout;
     ahbUartPluginUI* UI;
diff --git a/ahbuartplugin/ahbuartpluginui.cpp b/ahbuartplugin/ahbuartpluginui.cpp
--- a/ahbuartplugin/ahbuartpluginui.cpp
+++ b/ahbuartplugin/ahbuartpluginui.cpp
@@ -109,6 +109,12 @@ int ahbUartPluginUI::baudRate()
     return ui->portSpeed->text().toInt();
 }
 
+ QString ahbUartPluginUI::portName()
+{
+    return this->ui->PortName->text();
+}
+
+
 void ahbUartPluginUI::closeEvent(QCloseEvent *event)
 {
     event->accept();
diff --git a/ahbuartplugin/ahbuartpluginui.h b/ahbuartplugin/ahbuartpluginui.h
--- a/ahbuartplugin/ahbuartpluginui.h
+++ b/ahbuartplugin/ahbuartpluginui.h
@@ -44,6 +44,7 @@ public:
     void closeEvent(QCloseEvent *event);
     void setCompleter(QCompleter* completer);
     int baudRate();
+    QString portName();
 public slots:
     void setConnected(bool connected);
     void connectPort();