File content as of revision 8:2bf886335fd0:

/**
 * aconno helpers
 * Set of general purpose fuctions used within aconno projects
 *
 */

#include "mbed.h"
#include "aconnoHelpers.h"
#include "stdlib.h"
#include "gnss.h"
#include "aconnoConfig.h"

bool getGPSData(char *location, GnssSerial *gnss)
{
	int gnssReturnCode;
    int length;
    char buffer[505];
	bool gotLocationFlag = false;
	
	do
	{
		gnssReturnCode = gnss->getMessage(buffer, sizeof(buffer));
		if (gnssReturnCode > 0)
		{
			// Msg from GNSS module received
			length = LENGTH(gnssReturnCode);
			if ((PROTOCOL(gnssReturnCode) == GnssParser::NMEA) && (length > 6))
			{
				// Talker is $GA=Galileo $GB=Beidou $GL=Glonass $GN=Combined $GP=GNSS
				if ((buffer[0] == '$') || buffer[1] == 'G')
				{
				  if (CHECK_TALKER("GLL"))
				  {
					  	
						double latitude = 0, longitude = 0;
						char ch;
						if (gnss->getNmeaAngle(1, buffer, length, latitude) &&
							gnss->getNmeaAngle(3, buffer, length, longitude) &&
							gnss->getNmeaItem(6, buffer, length, ch) && (ch == 'A')) {
							sprintf(location, "GNSS: location is %.5f %.5f.", latitude, longitude);
							//printf("I am here: https://maps.google.com/?q=%.5f,%.5f\r\n\r\n",
							//	   latitude, longitude);
							printf("Got location!\r\n");
							gotLocationFlag = true;
						}
					}
					else if (CHECK_TALKER("GGA"))
					{
						double altitude = 0;
						const char *timeString = NULL;
						// Altitude
						if (gnss->getNmeaItem(9, buffer, length, altitude))
						{
							printf("\r\nGNSS: altitude is %.1f m.\r\n", altitude);
						}
						// Time
						timeString = gnss->findNmeaItemPos(1, buffer, buffer + length);
						if (timeString != NULL) {
							printf("\r\nGNSS: time is %.6s.\r\n\r\n", timeString);
						}
					}
					else if (CHECK_TALKER("VTG"))
					{
						double speed = 0;
						// Speed
						if (gnss->getNmeaItem(7, buffer, length, speed))
						{
							printf("\r\nGNSS: speed is %.1f km/h.\r\n\r\n", speed);
						}
					}
				}
			}
		}
	}while(!gotLocationFlag);
}