Fix setting the baud rate.

There's also a partial fix for the databits and stopbits. I'm unsure how to deal with the logic
around the 'is_cdc' variable, as I can't really follow what it's for.

src/comm/SerialLink.cc

@@ -770,17 +770,8 @@ bool SerialLink::setBaudRateType(int rateIndex)
     return result;
 }
 
-bool SerialLink::setBaudRateString(const QString& rate)
-{
-    bool ok;
-    int intrate = rate.toInt(&ok);
-    if (!ok) return false;
-    return setBaudRate(intrate);
-}
-
 bool SerialLink::setBaudRate(int rate)
 {
-
     bool accepted = false;
     if (rate != m_baud) {
         m_baud = rate;
@@ -839,37 +830,6 @@ bool SerialLink::setParityType(int parity)
     return accepted;
 }
 
-
-bool SerialLink::setDataBits(int dataBits)
-{
-
-    qDebug("SET DATA BITS");
-    bool accepted = false;
-    if (dataBits != m_dataBits) {
-        m_dataBits = static_cast<QSerialPort::DataBits>(dataBits);
-        accepted = true;
-        if (m_port && !m_is_cdc)
-            accepted = m_port->setDataBits(static_cast<QSerialPort::DataBits>(dataBits));
-        emit updateLink(this);
-    }
-    return accepted;
-}
-
-bool SerialLink::setStopBits(int stopBits)
-{
-
-    // Note 3 is OneAndAHalf stopbits.
-    bool accepted = false;
-    if (stopBits != m_stopBits) {
-        m_stopBits = static_cast<QSerialPort::StopBits>(stopBits);
-        accepted = true;
-        if (m_port && !m_is_cdc)
-            accepted = m_port->setStopBits(static_cast<QSerialPort::StopBits>(stopBits));
-        emit updateLink(this);
-    }
-    return accepted;
-}
-
 bool SerialLink::setDataBitsType(int dataBits)
 {
 

src/comm/SerialLink.h

@@ -123,11 +123,6 @@ signals: //[TODO] Refactor to Linkinterface
 public slots:
     bool setPortName(QString portName);
     bool setBaudRate(int rate);
-    bool setDataBits(int dataBits);
-    bool setStopBits(int stopBits);
-
-    // Set string rate
-    bool setBaudRateString(const QString& rate);
 
     // Set ENUM values
     bool setBaudRateType(int rateIndex);

src/ui/SerialConfigurationWindow.cc

@@ -29,13 +29,14 @@ This file is part of the QGROUNDCONTROL project
  */
 
 #include <QDebug>
-
-#include <SerialConfigurationWindow.h>
-#include <SerialLinkInterface.h>
 #include <QDir>
 #include <QSettings>
 #include <QFileInfoList>
 
+#include "SerialConfigurationWindow.h"
+#include "SerialLinkInterface.h"
+#include "SerialLink.h"
+
 SerialConfigurationWindow::SerialConfigurationWindow(LinkInterface* link, QWidget *parent, Qt::WindowFlags flags) : QWidget(parent, flags),
     userConfigured(false)
 {
@@ -125,13 +126,13 @@ SerialConfigurationWindow::SerialConfigurationWindow(LinkInterface* link, QWidge
         // Connect the individual user interface inputs
         connect(ui.portName, SIGNAL(editTextChanged(QString)), this, SLOT(setPortName(QString)));
         connect(ui.portName, SIGNAL(currentIndexChanged(QString)), this, SLOT(setPortName(QString)));
-        connect(ui.baudRate, SIGNAL(activated(QString)), this->link, SLOT(setBaudRateString(QString)));
+        connect(ui.baudRate, static_cast<void (QComboBox::*)(const QString&)>(&QComboBox::activated), this, &SerialConfigurationWindow::setBaudRate);
         connect(ui.flowControlCheckBox, SIGNAL(toggled(bool)), this, SLOT(enableFlowControl(bool)));
         connect(ui.parNone, SIGNAL(toggled(bool)), this, SLOT(setParityNone(bool)));
         connect(ui.parOdd, SIGNAL(toggled(bool)), this, SLOT(setParityOdd(bool)));
         connect(ui.parEven, SIGNAL(toggled(bool)), this, SLOT(setParityEven(bool)));
-        connect(ui.dataBitsSpinBox, SIGNAL(valueChanged(int)), this->link, SLOT(setDataBits(int)));
-        connect(ui.stopBitsSpinBox, SIGNAL(valueChanged(int)), this->link, SLOT(setStopBits(int)));
+        connect(ui.dataBitsSpinBox, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged), this, &SerialConfigurationWindow::setDataBits);
+        connect(ui.stopBitsSpinBox, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged), this, &SerialConfigurationWindow::setStopBits);
         connect(ui.advCheckBox, SIGNAL(clicked(bool)), ui.advGroupBox, SLOT(setVisible(bool)));
         ui.advCheckBox->setCheckable(true);
         ui.advCheckBox->setChecked(false);
@@ -284,6 +285,28 @@ void SerialConfigurationWindow::setPortName(QString port)
     userConfigured = true;
 }
 
+void SerialConfigurationWindow::setBaudRate(QString rate)
+{
+	bool ok;
+	int intrate = rate.toInt(&ok);
+	if (ok) {
+		link->setBaudRate(intrate);
+	}
+	userConfigured = true;
+}
+
+void SerialConfigurationWindow::setDataBits(int dataBits)
+{
+	link->setDataBitsType(static_cast<QSerialPort::DataBits>(dataBits));
+	userConfigured = true;
+}
+
+void SerialConfigurationWindow::setStopBits(int stopBits)
+{
+	link->setStopBitsType(static_cast<QSerialPort::DataBits>(stopBits));
+	userConfigured = true;
+}
+
 void SerialConfigurationWindow::setLinkName(QString name)
 {
     Q_UNUSED(name);

src/ui/SerialConfigurationWindow.h

@@ -59,6 +59,10 @@ public slots:
     void setParityOdd(bool accept);
     void setParityEven(bool accept);
     void setPortName(QString port);
+    void setBaudRate(QString rate);
+    void setDataBits(int dataBits);
+    void setStopBits(int stopBits);
+
     void setLinkName(QString name);
     /**
      * @brief setupPortList Populates the dropdown with the list of available serial ports.