File content as of revision 1:dceb4eaf697e:

/* ###############  Constant Defination  ################## */

#define HEADER_SIZE                 5
#define GPRMC_TIME_SIZE             10
#define GPRMC_STATUS_SIZE           1
#define GPRMC_LATITUDE_SIZE         9
#define GPRMC_LATITUDE_HEMI_SIZE    1
#define GPRMC_LONGITUDE_SIZE        10
#define GPRMC_LONGITUDE_HEMI_SIZE   1
#define GPRMC_SPEED_SIZE            5
#define GPRMC_COURSE_SIZE           5
#define GPRMC_DATE_SIZE             6
#define GPRMC_MAGNETIC_SIZE         5
#define GPRMC_MAGNETIC_DIR_SIZE     1
#define GPRMC_INDICATOR_SIZE        1

#define INVALID_VALUE               0xFFFF
#define RX_BUF_SIZE                 100


/* ###############  Enum  ################## */
typedef enum GPS_ProcessState {
    GPS_Process_Start = 0,
    GPS_Process_Header,
    GPS_Process_Time,
    GPS_Process_Status,
    GPS_Process_Latitude,
    GPS_Process_Latitude_hemis,
    GPS_Process_Longitude,
    GPS_Process_Longitude_hemis,
    GPS_Process_Speed,
    GPS_Process_Course,
    GPS_Process_Date,
    GPS_Process_Magnetic,
    GPS_Process_Magnetic_Dir,
    GPS_Process_Indicator,
    GPS_Process_Complete ,
    GPS_Process_SIZE
} GPS_ProcessState;

typedef enum GPS_ProcessStatus {
    GPS_Status_Valid,
    GPS_Status_Empty,
    GPS_Status_NotEnough,
} GPS_ProcessStatus;


/* ###############  Structure  ################## */
typedef struct {
    char header[HEADER_SIZE+1];
    char time[GPRMC_TIME_SIZE+1];
    char status[GPRMC_TIME_SIZE+1];
    char latitude[GPRMC_LATITUDE_SIZE+1];
    char latitude_hemi[GPRMC_LATITUDE_HEMI_SIZE+1];
    char longitude[GPRMC_LONGITUDE_SIZE+1];
    char longitude_hemi[GPRMC_LATITUDE_HEMI_SIZE+1];
    char speed[GPRMC_SPEED_SIZE+1];
    char course[GPRMC_COURSE_SIZE+1];
    char date[GPRMC_DATE_SIZE+1];
    char magnetic[GPRMC_MAGNETIC_SIZE+1];
    char magnetic_dir[GPRMC_MAGNETIC_DIR_SIZE+1];
    char indicator[GPRMC_INDICATOR_SIZE+1];
} GPRMC_Data_TypeDef;


typedef struct {
    GPS_ProcessState state;
    int              size;
    char *           p_val;
} GPRMC_Tbl_TypeDef;


/* ###############  Class  ################## */
class GPSGms6
{
public:

    /**
     * Constructor
     */
    GPSGms6();

    /**
     * Start GPS 
     */
    void start_GPS();
    
    /**
     * Get UTC Time 
     * @returns
     *   UTC Time
     */
    tm UTCTime();
    /** Get Latest GPRMC Data
     *
     * @returns
     *   Latest GPRMC Data
     */
    GPRMC_Data_TypeDef latestGPRMC();

    /**  Get Valid Data Interval
     *
     * @returns
     * Valid Data Interval
     */
    GPRMC_Data_TypeDef validGPRMC();

    /**  Get availability of gprmc
     *
     * @returns
     * 'true' - if data is available
     */
    bool available();


private:

};