Add a new connection type - Lawicel. It works for some devices, not

all. More development needed but this is a start. Also added ability
to set serial speed and bus speed in the device setup which may be
useful for other connection devices too.

connections/lawicel_serial.h

@@ -0,0 +1,66 @@
+#ifndef LAWICELSERIAL_H
+#define LAWICELSERIAL_H
+
+#include <QSerialPort>
+#include <QCanBusDevice>
+#include <QThread>
+#include <QTimer>
+
+/*************/
+#include <QDateTime>
+/*************/
+
+#include "canframemodel.h"
+#include "canconnection.h"
+#include "canconmanager.h"
+
+class LAWICELSerial : public CANConnection
+{
+    Q_OBJECT
+
+public:
+    LAWICELSerial(QString portName, int serialSpeed, int lawicelSpeed);
+    virtual ~LAWICELSerial();
+
+protected:
+
+    virtual void piStarted();
+    virtual void piStop();
+    virtual void piSetBusSettings(int pBusIdx, CANBus pBus);
+    virtual bool piGetBusSettings(int pBusIdx, CANBus& pBus);
+    virtual void piSuspend(bool pSuspend);
+    virtual bool piSendFrame(const CANFrame&) ;
+
+    void disconnectDevice();
+
+public slots:
+    void debugInput(QByteArray bytes);
+
+private slots:
+    void connectDevice();
+    void connectionTimeout();
+    void readSerialData();
+    void serialError(QSerialPort::SerialPortError err);
+    void deviceConnected();
+    void handleTick();
+
+private:
+    void readSettings();
+    void rebuildLocalTimeBasis();
+    void sendToSerial(const QByteArray &bytes);
+    void sendDebug(const QString debugText);
+
+protected:
+    QTimer             mTimer;
+    QThread            mThread;
+    QString            mBuildLine;
+
+    bool isAutoRestart;
+    QSerialPort *serial;
+    int framesRapid;
+    CANFrame buildFrame;
+    bool can0Enabled;
+    bool can0ListenOnly;
+};
+
+#endif // LAWICELSERIAL_H