/home/aperles/dades/asignatures/dsii/Qt/visor_GPS/src/tgeoposition.h

/* tgeoposition.h
   Angel Perles for DSII. January 2011

   Creates an abstraction of a geoposition device
*/

#ifndef tgeopositionH
#define tgeopositionH

#include <qextserialport.h>
#include <QObject>

enum Tcardinaleixos {NORTH, SOUTH, EAST, WEST, RARO};


class TGeoposition : public QObject {

   Q_OBJECT

public:
   TGeoposition(void);
   bool openConnection(const char *port_name);
   void closeConnection(void);

   void sendStr(const char *cad);
   void sendData(const char *dat, int len);
   int  receiveData(char *destination, int max_data);

   void processReceivedData(void);

   bool findMessage(const char *data, unsigned int size, unsigned int *start, unsigned int *length);   // xplores received data in order to find messages with info
   bool parseMessage(const char *start, unsigned int length); // parses received messages

   void getLastPosition(double *utc_t, double *longit, Tcardinaleixos *c_longitude, double *latit, Tcardinaleixos *c_latitude);

   ~TGeoposition(void);

signals:
    void newPosition(void);

private:
   char *data_buffer;             /* buffer for receiving data */
   int data_count;              /* counter of bytes in the buffer */

   bool connection_ready;           /* indicates if the serial port is ready or not */
   QextSerialPort *port;        /* object that will handle the serial port */

   // geoposition
   double utc_time, longitude, latitude;
   Tcardinaleixos cardinal_longitude, cardinal_latitude;


};

//---------------------------------------------------------------------------
#endif

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