ground/openpilotgcs/src/plugins/gpsdisplay/nmeaparser.h

   1 /**
   2  ******************************************************************************
   3  *
   4  * @file       nmeaparser.h
   5  * @author     Sami Korhonen Copyright (C) 2010.
   6  * @addtogroup GCSPlugins GCS Plugins
   7  * @{
   8  * @addtogroup GPSGadgetPlugin GPS Gadget Plugin
   9  * @{
  10  * @brief A gadget that displays GPS status and enables basic configuration
  11  *****************************************************************************/
  12 /*
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 3 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful, but
  19  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  20  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  21  * for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License along
  24  * with this program; if not, write to the Free Software Foundation, Inc.,
  25  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  26  */
  27
  28 #ifndef NMEAPARSER_H
  29 #define NMEAPARSER_H
  30
  31 #include <QObject>
  32 #include <QtCore>
  33 #include <stdint.h>
  34 #include "buffer.h"
  35 #include "gpsparser.h"
  36
  37 // constants/macros/typdefs
  38 #define NMEA_BUFFERSIZE 128
  39
  40 typedef struct struct_GpsData {
  41     double Latitude;
  42     double Longitude;
  43     double Altitude;
  44     double Groundspeed;
  45     double Heading;
  46     int    SV;
  47     int    Status;
  48     double PDOP;
  49     double HDOP;
  50     double VDOP;
  51     double GeoidSeparation;
  52     double GPStime;
  53     double GPSdate;
  54 } GpsData_t;
  55
  56 class NMEAParser : public GPSParser {
  57     Q_OBJECT
  58
  59 public:
  60     NMEAParser(QObject *parent = 0);
  61     ~NMEAParser();
  62     void processInputStream(char c);
  63     char *nmeaGetPacketBuffer(void);
  64     char nmeaChecksum(char *gps_buffer);
  65     void nmeaTerminateAtChecksum(char *gps_buffer);
  66     uint8_t nmeaProcess(cBuffer *rxBuffer);
  67     void nmeaProcessGPGGA(char *packet);
  68     void nmeaProcessGPRMC(char *packet);
  69     void nmeaProcessGPVTG(char *packet);
  70     void nmeaProcessGPGSA(char *packet);
  71     void nmeaProcessGPGSV(char *packet);
  72     void nmeaProcessGPZDA(char *packet);
  73     GpsData_t GpsData;
  74     cBuffer gpsRxBuffer;
  75     char gpsRxData[512];
  76     char NmeaPacket[NMEA_BUFFERSIZE];
  77     uint32_t numUpdates;
  78     uint32_t numErrors;
  79     int32_t gpsRxOverflow;
  80 };
  81
  82 #endif // NMEAPARSER_H