//#include?
#include?“MEMALLOC.h“
#include?“CustomDef.h“
#include?“ebd_ex_ram_map.h“
#include?“MCUNMEAParser.h“
#include?“usb.h“
#include?“reg52.h“
#include?“Wt_spi.h“
#include?


#define?MAX_NMEAMSG_LEN		0xFF
#define?MAX_UNIT_SIZE		25

#define?NMEA_MSG_START			0
#define?NMEA_MSG_HEAD			1

#define?GPRMC_TIME			2
#define?GPRMC_STATUS		3
#define?GPRMC_LATITUDE		4
#define?GPRMC_NS			5
#define?GPRMC_LONGITUDE		6
#define?GPRMC_EW			7
#define?GPRMC_SPEED			8
#define?GPRMC_COURSE		9
#define?GPRMC_DATE			10
#define?GPRMC_MAGNETIC		11
#define?GPRMC_VARIATION		12
#define?GPRMC_MODE			13
#define?GPRMC_CHECKSUM1		14
#define?GPRMC_CHECKSUM2		15
#define?GPRMC_CR			16
#define?GPRMC_LF			17

#define?GPGGA_TIME				20
#define?GPGGA_LATITUDE			21
#define?GPGGA_NS				22
#define?GPGGA_LONGITUDE			23
#define?GPGGA_EW				24
#define?GPGGA_FIX_INDICATOR		25
#define?GPGGA_SATELITES_USED	26
#define?GPGGA_HDOP				27
#define?GPGGA_MSL_ALTITUDE		28
#define?GPGGA_ALTITUDE_UNIT		29

#define?GPGSA_MODE_1			40
#define?GPGSA_MODE_2			41

#define?GPGGA_MSG				1
#define?GPGSA_MSG				2
#define?GPRMC_MSG				4
#define?INVALID_MSG				（GPGGA_MSG+GPGSA_MSG+GPRMC_MSG）



UCHAR?g_ucNMEAParseState?=?NMEA_MSG_START;
UCHAR?g_ucMSGIndex?=?0;
UCHAR?idata?g_ucMSGType?=?0;
UCHAR?idata?g_ucFixMode?=?FIX_NOT_AVAILABLE;

UCHAR?pdata?g_ucaUTCTime[UTC_TIME_SIZE]?		_at_?UTC_TIME_ADDR;

UCHAR?pdata?g_ucaLatitude[LATITUDE_SIZE]?		_at_?LATITUDE_ADDR;

UCHAR?pdata?g_ucLatitudeIndicator?				_at_?LATITUDE_INDICATOR_ADDR;

UCHAR?pdata?g_ucaLongitude[LONGITUDE_SIZE]?		_at_?LONGITUDE_ADDR;

UCHAR?pdata?g_ucLongitudeIndicator?				_at_?LONGITUDE_INDICATOR_ADDR;

UCHAR?pdata?g_ucaDate[DATE_SIZE]?				_at_?DATE_ADDR;

UCHAR?pdata?g_ucaAltitude[ALTITUDE_SIZE]		_at_?ALTITUDE_ADDR;

UCHAR?pdata?g_ucaSpeed[SPEED_SIZE]				_at_?SPEED_ADDR;




#define?STR_HEAD_SIZE		5
UCHAR?code?g_strGPGGA[STR_HEAD_SIZE+1]?=?“GPGGA“;
UCHAR?code?g_strGPGSA[STR_HEAD_SIZE+1]?=?“GPGSA“;
UCHAR?code?g_strGPRMC[STR_HEAD_SIZE+1]?=?“GPRMC“;

UCHAR*?ucpCheckSum;


//unsigned?char?ucCheckSum;
void?NMEAParserInit（?void?）
{
	UCHAR?i;
	g_ucNMEAParseState?=?NMEA_MSG_START;
	g_ucMSGIndex?=?0;
	g_ucMSGType?=?INVALID_MSG;

	for（?i=0;?i	{
		g_ucaUTCTime[i]?=?0;
	}
	
}

void?ParseNMEAChar（?UCHAR?g_ucNMEAChar??）
{
	unsigned?char?ucLoop;
	
	//Delayms（1）;

	//putchar（?‘-‘?）;
	//putchar（?（g_ucNMEAParseState?/?10）+‘0‘?）;
	//putchar（?（g_ucNMEAParseState%10）+‘0‘?）;
	//putchar（?‘-‘?）;
	//putchar（?g_ucNMEAChar?）;
	
	switch（?g_ucNMEAParseState?）
	{
		//?0
		case?NMEA_MSG_START:
			if（?START_FLAG==g_ucNMEAChar?）
			{
				g_ucNMEAParseState?=?NMEA_MSG_HEAD;
				g_ucMSGIndex?=?0;
			}
			break;
		//?1
		case?NMEA_MSG_HEAD:
			if（?g_ucMSGIndex			{
				if（?g_ucNMEAChar!=g_strGPGGA[g_ucMSGIndex]）
				{
					g_ucMSGType?&=?~GPGGA_MSG;
				}
				if（?g_ucNMEAChar!=g_strGPGSA[g_ucMSGIndex]

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2207??2008-07-07?09:58??NMEA?parser\ebd_ex_ram_map.h

?????文件??????10585??2008-09-05?18:10??NMEA?parser\MCUNMEAParser.c

?????文件????????833??2008-07-05?09:29??NMEA?parser\MCUNMEAParser.h

?????目錄??????????0??2008-09-05?18:10??NMEA?parser

-----------?---------??----------?-----??----

????????????????13625????????????????????4