diff --git a/src/core/atcore.h b/src/core/atcore.h
--- a/src/core/atcore.h
+++ b/src/core/atcore.h
@@ -63,7 +63,7 @@
     Q_PROPERTY(QString version READ version)
     Q_PROPERTY(QStringList availableFirmwarePlugins READ availableFirmwarePlugins)
     Q_PROPERTY(int extruderCount READ extruderCount WRITE setExtruderCount NOTIFY extruderCountChanged)
-    Q_PROPERTY(quint16 serialTimerInterval READ serialTimerInterval WRITE setSerialTimerInterval NOTIFY serialTimerIntervalChanged)
+    Q_PROPERTY(int serialTimerInterval READ serialTimerInterval WRITE setSerialTimerInterval NOTIFY serialTimerIntervalChanged)
     Q_PROPERTY(QStringList serialPorts READ serialPorts NOTIFY portsChanged)
     Q_PROPERTY(float percentagePrinted READ percentagePrinted NOTIFY printProgressChanged)
     Q_PROPERTY(QStringList portSpeeds READ portSpeeds)
@@ -216,7 +216,7 @@
     /**
     * @brief Return the amount of miliseconds the serialTimer is set to. 0 = Disabled
     */
-    quint16 serialTimerInterval() const;
+    int serialTimerInterval() const;
 
     /**
      * @brief Attempt to Mount an sd card
@@ -279,7 +279,7 @@
     * @brief New interval between serial timer
     * @sa setSerialTimerInterval()
     */
-    void serialTimerIntervalChanged(const quint16 newTime);
+    void serialTimerIntervalChanged(const int newTime);
 
     /**
      * @brief The Printer's State Changed
@@ -459,9 +459,9 @@
 
     /**
      * @brief Set the time between checks for new serialPorts (0 is default)
-     * @param newTime: Milliseconds between checks. 0 will Disable Checks.
+     * @param newTime: Milliseconds between checks. values <= 0 will Disable Checks.
      */
-    void setSerialTimerInterval(const quint16 &newTime);
+    void setSerialTimerInterval(int newTime);
 
     /**
      * @brief delete file from sd card
diff --git a/src/core/atcore.cpp b/src/core/atcore.cpp
--- a/src/core/atcore.cpp
+++ b/src/core/atcore.cpp
@@ -278,16 +278,19 @@
     }
 }
 
-quint16 AtCore::serialTimerInterval() const
+int AtCore::serialTimerInterval() const
 {
     if (d->serialTimer != nullptr) {
         return d->serialTimer->interval();
     }
     return 0;
 }
 
-void AtCore::setSerialTimerInterval(const quint16 &newTime)
+void AtCore::setSerialTimerInterval(int newTime)
 {
+    if (newTime < 0) {
+        newTime = 0;
+    }
     if (!d->serialTimer) {
         //There is no timer. We need to create one.
         d->serialTimer = new QTimer();
diff --git a/src/core/gcodecommands.h b/src/core/gcodecommands.h
--- a/src/core/gcodecommands.h
+++ b/src/core/gcodecommands.h
@@ -51,7 +51,7 @@
         G130 = 130, G131, G132, G133,
         G161 = 161, G162
     };
-    Q_ENUM(GCommands);
+    Q_ENUM(GCommands)
 
     /**
      * @brief The MCommands enum
@@ -107,7 +107,7 @@
         M928 = 928,
         M997 = 997, M998, M999
     };
-    Q_ENUM(MCommands);
+    Q_ENUM(MCommands)
 
     /**
      * @brief Return Description of command \p gcode
diff --git a/src/core/seriallayer.h b/src/core/seriallayer.h
--- a/src/core/seriallayer.h
+++ b/src/core/seriallayer.h
@@ -76,7 +76,7 @@
      * @param baud : Baud rate (115200)
      * @param parent : Parent
      */
-    SerialLayer(const QString &port, uint baud, QObject *parent = nullptr);
+    SerialLayer(const QString &port, int32_t baud, QObject *parent = nullptr);
 
     /**
      * @brief Add command to be pushed
diff --git a/src/core/seriallayer.cpp b/src/core/seriallayer.cpp
--- a/src/core/seriallayer.cpp
+++ b/src/core/seriallayer.cpp
@@ -63,7 +63,7 @@
     QVector<QByteArray> _sByteCommands; //!< @param _sByteCommand: sent Messages
 };
 
-SerialLayer::SerialLayer(const QString &port, uint baud, QObject *parent) :
+SerialLayer::SerialLayer(const QString &port, int32_t baud, QObject *parent) :
     QSerialPort(parent), d(new SerialLayerPrivate())
 {
     setPortName(port);
diff --git a/src/widgets/logwidget.cpp b/src/widgets/logwidget.cpp
--- a/src/widgets/logwidget.cpp
+++ b/src/widgets/logwidget.cpp
@@ -72,7 +72,7 @@
     helpButton->setChecked(false);
     helpButton->setIconSize(iconSize);
     helpButton->setIcon(QIcon::fromTheme(QStringLiteral("help-about"), style()->standardIcon(QStyle::SP_DialogHelpButton)));
-    connect(helpButton, &QToolButton::clicked, this, [this, mainStack](bool checked) {
+    connect(helpButton, &QToolButton::clicked, this, [mainStack](bool checked) {
         mainStack->setCurrentIndex(checked);
     });
 
diff --git a/src/widgets/movementwidget.h b/src/widgets/movementwidget.h
--- a/src/widgets/movementwidget.h
+++ b/src/widgets/movementwidget.h
@@ -74,7 +74,7 @@
      * @param axis: the axis to move
      * @param value: where to move
      */
-    void absoluteMove(const QLatin1Char &axis, const double &value);
+    void absoluteMove(const QLatin1Char &axis, const double value);
 
     /**
      * @brief A relativeMove was requested from the AxisControl
@@ -85,7 +85,7 @@
      * @param axis: the axis to move.
      * @param value: the value to move it by.
      */
-    void relativeMove(const QLatin1Char &axis, const double &value);
+    void relativeMove(const QLatin1Char &axis, const double value);
 
 private:
     QComboBox *comboMoveAxis = nullptr;
diff --git a/src/widgets/plotwidget.h b/src/widgets/plotwidget.h
--- a/src/widgets/plotwidget.h
+++ b/src/widgets/plotwidget.h
@@ -64,7 +64,7 @@
 
     /**
      * @brief set The Maximum Number of points per series the plot widget stores
-     * @param newMax: new maximum Number (default:24)
+     * @param newMax: new maximum Number (default:120)
      */
     void setMaximumPoints(const uint newMax);
 
@@ -80,12 +80,12 @@
     public:
         explicit plot() : _series(new QLineSeries())
         {
-        };
+        }
 
         ~plot()
         {
             // Series will be deleted with chart
-        };
+        }
 
         void pushPoint(float value)
         {
diff --git a/src/widgets/statuswidget.h b/src/widgets/statuswidget.h
--- a/src/widgets/statuswidget.h
+++ b/src/widgets/statuswidget.h
@@ -55,7 +55,7 @@
      * @brief Update the progres to the new progress
      * @param progress: new progress.
      */
-    void updatePrintProgress(const float &progress);
+    void updatePrintProgress(const int progress);
 
 signals:
     void stopPressed();
diff --git a/src/widgets/statuswidget.cpp b/src/widgets/statuswidget.cpp
--- a/src/widgets/statuswidget.cpp
+++ b/src/widgets/statuswidget.cpp
@@ -106,7 +106,7 @@
     lblTime->setText(temp.addMSecs(printTime->elapsed()).toString(QStringLiteral("hh:mm:ss")));
 }
 
-void StatusWidget::updatePrintProgress(const float &progress)
+void StatusWidget::updatePrintProgress(const int progress)
 {
     printingProgress->setValue(progress);
     if (progress >= 1) {