/**
    @file       GPSParser.h
    @ingroup

    @brief      Sample module brief
                Sample module description

    @note       Nothing (or anything need to be mentioned).

    Copyright   Novatek Microelectronics Corp. 2005.  All rights reserved.
*/

#ifndef _NMEAParser_H
#define _NMEAParser_H

#include "kwrap/semaphore.h"
#include "kwrap/flag.h"
#include "kwrap/type.h"
#include "kwrap/task.h"
#include <uart.h>

#define NMEA_BUFFER_OFFSET		(35*1024)   //35KB
#define NMEA_BUFFER_RESERVED	128
#define NMEA_SENTENCE_SIZE		180
#define NMEA_TYPE_SIZE			7
#define GSA_SENTENCE			0x41534750 //'A''S''G''P'
#define RMC_SENTENCE			0x434D5250 //'C''M''R''P'
#define GGA_SENTENCE			0x41474750 //'A''G''G''P'
#define GSV_SENTENCE			0x56534750 //'V''S''G''P'
#define GLL_SENTENCE			0x4C4C4750 //'L''L''G''P'
#define VTG_SENTENCE			0x47545650 //'G''T''V''P'
#define SNR_SENTENCE			0x4F534E45 //'O''S''N''E'
#define ROS_SENTENCE			0x534F5259 //'S''O''R''Y'

//#define GPS_FLAG_DATAVALID		0x00000001
//#define GPS_FLAG_LOG			0x00000002
// Flag
#define GPS_FLAG_DATAVALID          FLGPTN_BIT(0)
#define GPS_FLAG_LOG        		FLGPTN_BIT(1)
#define GPS_FLAG_ALL		        0xFFFFFFFF


typedef struct {
	ER(*open)(void);
	ER(*close)(void);
	ER(*init)(UART_INIT_PARA  *pUartInitPara);
	ER(*getString)(CHAR *pcString, UINT32 *pcBufferLen);
} GPS_UART_OBJ, *pGPS_UART_OBJ;

typedef struct {
	CHAR    *pGPSDataStartAddr;
	UINT32  GPSBufUsedPos;
	UINT32  GPSBufSize;
} GPSBuf, *pGPSBuf;

typedef struct {

	CHAR    *GGA;
	CHAR    *RMC;
	CHAR    *GSA;
	CHAR    *GSV;
	CHAR    *GLL;
	CHAR    *VTG;
	GPSBuf  GPSDataBuf;

} NMEASENTENCE;

typedef enum {
	No_Fix = 1,
	TWO_D_Fix,
	THREE_D_Fix
} FIXMODE;

//GSA, Satellite status
typedef struct {

	CHAR    SelMode;			//'A' auto selection of 2D or 3D fix
								//'M' manual
	UINT32  FixMode;			//'1' no fix
								//'2' 2D fix
								//'3' 3D fix
	UINT32  SatUsed01;			//PRNs of satellites used for fix (space for 12)
	UINT32  SatUsed02;
	UINT32  SatUsed03;
	UINT32  SatUsed04;
	UINT32  SatUsed05;
	UINT32  SatUsed06;
	UINT32  SatUsed07;
	UINT32  SatUsed08;
	UINT32  SatUsed09;
	UINT32  SatUsed10;
	UINT32  SatUsed11;
	UINT32  SatUsed12;
	double  PDOP;				//Position dilution of precision
	double  HDOP;				//Horizontal dilution of precision
	double  VDOP;				//Vertical dilution of precision

} GSAINFO;
extern GSAINFO GSAInfo;

//RMC, Recommended Minimum sentence C
typedef struct {

	UINT32    Hour;
	UINT32    Minute;
	UINT32    Second;
	UINT32    Year;
	UINT32    Month;
	UINT32    Day;
	CHAR      Status;			//Status A=active or V=Void
	CHAR      NSInd;
	CHAR      EWInd;
	CHAR      reservd;
	float     Latitude;
	float     Longitude;
	float     Speed;			//Speed over the ground in knots
	float     Angle;			//Track angle in degrees True

} RMCINFO;
extern RMCINFO RMCInfo;

//GGA, Global Positioning System Fix Data
typedef struct {

	UINT32    Hour;
	UINT32    Minute;
	UINT32    Second;
	double    Latitude;
	CHAR      NSInd;
	double    Longitude;
	CHAR      EWInd;
	UINT32    PosFixInd;		//Fix quality: 0 = invalid
								//             1 = GPS fix
	UINT32    SatNumber;		//Number of satellites being tracked
	double    HDOP;				//Horizontal dilution of position
	double    Altitude;			//Altitude, Meters, above mean sea level
	double    MSL;				//Height of geoid (mean sea level) above WGS84

} GGAINFO;
extern GGAINFO GGAInfo;

typedef struct {

	UINT32    SatNum;			//Satellite PRN number
	UINT32    Elev;				//Elevation, degrees
	UINT32    Azi;				//Azimuth, degrees
	UINT32    SNR;				//SNR - higher is better

} SATDATA;

//GSV, Satellites in view
typedef struct {

	UINT32    NumOfSen;			//Number of sentences for full data
	UINT32    SenNum;			//Sentence number
	UINT32    SatInView;		//Number of satellites in view
	SATDATA   SAT01;
	SATDATA   SAT02;
	SATDATA   SAT03;
	SATDATA   SAT04;
	SATDATA   SAT05;
	SATDATA   SAT06;
	SATDATA   SAT07;
	SATDATA   SAT08;
	SATDATA   SAT09;
	SATDATA   SAT10;
	SATDATA   SAT11;
	SATDATA   SAT12;
	SATDATA   SAT13;
	SATDATA   SAT14;
	SATDATA   SAT15;
	SATDATA   SAT16;

} GSVINFO;
extern GSVINFO GSVInfo;

typedef enum {
	GSA,
	RMC,
	GGA,
	GSV,
	GLL,
	VTG
} NMEATYPE;


//extern void GPS_SetUartObj(GPS_UART_OBJ *UartObj);
extern ER GPSRec_Open(UART_BAUDRATE BaudRate);
extern ER GPSRec_Close(void);
extern ER GPSRec_Reset(void);
extern BOOL GPSRec_CheckData(void);
extern BOOL GPSRec_GetRMCDate(RMCINFO *pRMCInfo);
extern BOOL GPSRec_GetGGADate(GGAINFO *pGGAInfo);
extern float GPSRec_GetGPS_Speed(void);

//#NT#2015/10/02#KCHong -begin
//#NT#Add GPS heartbeat to detect GPS status
extern BOOL GPSRec_GetSpeed(float *Speed);
extern UINT32 GetGPSHeartBeat(void);
//#NT#2015/10/02#KCHong -end

//extern UINT32 _SECTION(".kercfg_data") GPSRECEIVE_ID; // GPS Task
//extern UINT32 _SECTION(".kercfg_data") FLG_ID_GPS; // GPS Flag
extern THREAD_HANDLE _SECTION(".kercfg_data") GPSRECEIVE_ID;
extern ID _SECTION(".kercfg_data") FLG_ID_GPS;
extern ID _SECTION(".kercfg_data") FGPS_SEM_ID;

#endif