gps.c

gps源码！ 转自网络

	}

	if(cycle > 3)
	{
		memset(tempStr, 0, 30);
		getStringEnd(',', tempStr);
		strcpy(gpsGSV.PRV04, tempStr);
		
		memset(tempStr, 0, 30);
		getStringEnd(',', tempStr);
		strcpy(gpsGSV.elevation04, tempStr);
		
		memset(tempStr, 0, 30);
		getStringEnd(',', tempStr);
		strcpy(gpsGSV.depression04, tempStr);

		memset(tempStr, 0, 30);
		getStringEnd('*', tempStr);
		strcpy(gpsGSV.noise04, tempStr);
	}
	
	memset(tempStr, 0, 30);
	getStringEnd(',', tempStr);
	tempStr[2] = '\0';
	strcpy(gpsGSV.endvalue, tempStr);

		
	printf("\n********************$GPGSV***************************\n");
	printf("    TOT_Item:        %s\n", gpsGSV.totalnum);  
	printf("    Cur_Item:        %s\n", gpsGSV.currentnum);  
	printf("    TOT_Star:        %s\n", gpsGSV.totalstar);
	printf("    PRV01:           %s\n", gpsGSV.PRV01);
	printf("    Elevation01:     %s\n", gpsGSV.elevation01);
	printf("    Depression01:    %s\n", gpsGSV.depression01);
	printf("    Noise01:         %s\n", gpsGSV.noise01);
	printf("    PRV02:           %s\n", gpsGSV.PRV02);
	printf("    Elevation02:     %s\n", gpsGSV.elevation02);
	printf("    Depression02:    %s\n", gpsGSV.depression02);
	printf("    Noise02:         %s\n", gpsGSV.noise02);
	printf("    PRV03:           %s\n", gpsGSV.PRV03);
	printf("    Elevation03:     %s\n", gpsGSV.elevation03);
	printf("    Depression03:    %s\n", gpsGSV.depression03);
	printf("    Noise03:         %s\n", gpsGSV.noise03);	
	printf("    PRV04:           %s\n", gpsGSV.PRV04);
	printf("    Elevation04:     %s\n", gpsGSV.elevation04);
	printf("    Depression04:    %s\n", gpsGSV.depression04);
	printf("    Noise04:         %s\n", gpsGSV.noise04);	
	printf("    ENDValue:        %s\n", gpsGSV.endvalue);
	return;
}

/*******************************************************************************
**           Function: Get GPVTG for buffer                                   **
**               In:  NULL                                                    **
**               Out: GPVTG Information                                       **
**               Date: 2007-8-1     Author: Owen.Lu                           **  
*******************************************************************************/
void gpsGPVTG()
{
	printf("$GPVTG............\n");
	return;
}

/*******************************************************************************
**           Function: Get LCGLL for buffer                                   **
**               In:  NULL                                                    **
**               Out: LCGLL Information                                       **
**               Date: 2007-8-1     Author: Owen.Lu                           **  
*******************************************************************************/
void gpsLCGLL()
{
	printf("$LCGLL............\n");
	return;
}

/*******************************************************************************
**           Function: Get LCVTG for buffer                                   **
**               In:  NULL                                                    **
**               Out: LCVTG Information                                       **
**               Date: 2007-8-1     Author: Owen.Lu                           **  
*******************************************************************************/
void gpsLCVTG()
{
	printf("$LCVTG............\n");
	return;
}

/*******************************************************************************
**           Function: Get PGRME for buffer                                   **
**               In:  NULL                                                    **
**               Out: PGRME Information                                       **
**               Date: 2007-8-1     Author: Owen.Lu                           **  
*******************************************************************************/
void gpsPGRME()
{
	printf("$PGRME............\n");
	return;
}

/*******************************************************************************
**           Function: Get PGRMT for buffer                                   **
**               In:  NULL                                                    **
**               Out: PGRMT Information                                       **
**               Date: 2007-8-1     Author: Owen.Lu                           **  
*******************************************************************************/
void gpsPGRMT()
{
	printf("$PGRMT............\n");
	return;
}
	 

/*******************************************************************************
**           Function: Get GPRMC for buffer                                   **
**               In:  NULL                                                    **
**               Out: GPRMC Information                                       **
**               Date: 2007-8-1     Author: Owen.Lu                           **  
*******************************************************************************/
void gpsGPRMC()
{
	printf("$GPRMC............\n");
#if 0	
	GPRMCHead gpsMCSignal;
	
	char tempStr[30] = {0};
	
	memset(tempStr, 0, 30);
	getStringEnd(',', tempStr);
	strcpy(gpsMCSignal.time, tempStr);

	memset(tempStr, 0, 30);
	getStringEnd(',', tempStr);
	strcpy(gpsMCSignal.statu, tempStr);
	
	memset(tempStr, 0, 30);
	getStringEnd(',', tempStr);
	strcpy(gpsMCSignal.latitude, tempStr);
	
	memset(tempStr, 0, 30);
	getStringEnd(',', tempStr);
	strcpy(gpsMCSignal.southornorth, tempStr);
	
	memset(tempStr, 0, 30);
	getStringEnd(',', tempStr);
	strcpy(gpsMCSignal.longitude, tempStr);
	
	memset(tempStr, 0, 30);
	getStringEnd(',', tempStr);
	strcpy(gpsMCSignal.eastorwest, tempStr);
	
	memset(tempStr, 0, 30);
	getStringEnd(',', tempStr);
	strcpy(gpsMCSignal.high, tempStr);
	
	memset(tempStr, 0, 30);
	getStringEnd(',', tempStr);
	strcpy(gpsMCSignal.director, tempStr);
	
	memset(tempStr, 0, 30);
	getStringEnd(',', tempStr);
	strcpy(gpsMCSignal.date, tempStr);
	
	memset(tempStr, 0, 30);
	getStringEnd(',', tempStr);
	strcpy(gpsMCSignal.magic, tempStr);
	
	memset(tempStr, 0, 30);
	getStringEnd(',', tempStr);
	strcpy(gpsMCSignal.magicdirtor, tempStr);

	printf("**********************************************************\n");
	printf("Time        : %s\n", gpsMCSignal.time);
	printf("Statue      : %s\n", gpsMCSignal.statu);
	printf("Latitude    : %s\n", gpsMCSignal.latitude);
	printf("Southornorth: %s\n", gpsMCSignal.southornorth);
	printf("Longitude   : %s\n", gpsMCSignal.longitude);
	printf("Eastorwest  : %s\n", gpsMCSignal.eastorwest);
	printf("High        : %s\n", gpsMCSignal.high);
	printf("Director    : %s\n", gpsMCSignal.director);
	printf("Date        : %s\n", gpsMCSignal.date);
	printf("Magic       : %s\n", gpsMCSignal.magic);
	printf("Magicdirtor : %s\n", gpsMCSignal.magicdirtor);
#endif
	
}


/*******************************************************************************
**           Function: get a string location                                  **
**               In:   a char buffer                                          **
**               Out: NULL                                                    **
**               Date: 2007-8-1     Author: Owen.Lu                           **  
*******************************************************************************/
void getString(char strChar[])
{
	char temp[20] = {0};
	strlwr(strChar);
	checkNULL();
	while(gpsMessage[buffEnd][0] != '$')
	{
		gpsMessage[buffEnd][0] = 0;
		gpsMessage[buffEnd][1] = 0;
		buffEnd = (buffEnd + 1) % 1024;
		checkNULL();
	}
	getStringEnd(',' ,temp);
	strlwr(temp);
	strcpy(strChar, temp);
	return;
}

/*******************************************************************************
**           Function: check next is NULL                                     **
**               In:   a char buffer                                          **
**               Out: NULL                                                    **
**               Date: 2007-8-1     Author: Owen.Lu                           **  
*******************************************************************************/
void checkNULL()
{
	while(gpsMessage[buffEnd][1] == 0);
}
/*******************************************************************************
**           Function: get next n char                                        **
**               In:  start position, get length, a char buffer               **
**               Out: a char string                                           **
**               Date: 2007-8-1     Author: Owen.Lu                           **  
*******************************************************************************/
void getNextChar(int length, char backstr[])
{
	int ii = 0;
	while(ii < length)
	{
		checkNULL();
		backstr[ii] = gpsMessage[buffEnd][0];
		gpsMessage[buffEnd][0] = 0;
		gpsMessage[buffEnd][1] = 0;
		buffEnd =(buffEnd + 1) % 1024;
		ii++;
	}
	backstr[ii] = 0;
}

void getStringEnd(char stopcn, char backstr[])
{
	int ii = 0;
	checkNULL();
	while((gpsMessage[buffEnd][0] != stopcn) && (gpsMessage[buffEnd][0] != '\n'))
	{
		backstr[ii] = gpsMessage[buffEnd][0];
		gpsMessage[buffEnd][0] = 0;
		gpsMessage[buffEnd][1] = 0;
		buffEnd =(buffEnd + 1) % 1024;
		ii++;
		checkNULL();
	}
	gpsMessage[buffEnd][0] = 0;
	gpsMessage[buffEnd][1] = 0;
	buffEnd =(buffEnd + 1) % 1024;	
	backstr[ii] = '\0';
}

void  showPass()
{
	printf("\n");
	printf("***********************************************************\n");
	printf("\n\n");
	printf("  **********    ***      *****        *****\n");
	printf("  **      **  **  **    **           **           \n");
	printf("  **      ** **    **    **         **         \n");
	printf("  **      ** **     **     **        **       \n");
	printf("  ********** *********       **        **      \n");	
	printf("  **         **     **        **         **     \n");
	printf("  **         **     **         **         **     \n");
	printf("  **         **     **        **         **       \n");
	printf("  **         **     **       **         **       \n");	
	printf("************************************************************\n");
	printf("\n\n");
}

/*******************************************************************************
**           Function: GPS test Program                                       **
**              sense the GPS Port, Get the GPS Data                          **
**               In:  NULL                                                    **
**               Out: NULL                                                    **
**               Date: 2007-8-1     Author: Owen.Lu                           **  
*******************************************************************************/
int main()
{	
	char GPSPort[10] = {0};
	int  receiveLength = 0;
	printf("GPS Test Program V1.01, add star Test\n");
	sprintf(GPSPort, "%s", "COM");
	getGPSPort(GPSPort);
	
	idComDev = CreateFile(GPSPort, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
			FILE_ATTRIBUTE_NORMAL, NULL);

	assert(idComDev != INVALID_HANDLE_VALUE);
	
	setCOMPortPrj();

	CreateThread(NULL, 0, receiveGPSProc, NULL, 0, 0);
	CreateThread(NULL, 0, analyseGPSProc, NULL, 0, 0);

	while(1)
	{
		/*
		if(testCycle > 0x2)
		{
			break;
		}
		*/
		Sleep(100);
	}
	showPass();
	return 0;
}