Initial commit.

1 files changed, 70 insertions, 0 deletions

diff --git a/demo_simple.cpp b/demo_simple.cpp
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+++ b/demo_simple.cpp
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+
+#include <iostream>
+#include <fstream>
+#include <iomanip>
+#include <nmeaparse/nmea.h>
+
+
+
+using namespace std;
+using namespace nmea;
+
+int main(int argc, char** argv){
+
+	// Fill with your NMEA bytes... make sure it ends with \n
+	char bytestream[] = "\n";
+
+
+
+	// Create a GPS service that will keep track of the fix data.
+	NMEAParser parser;
+	GPSService gps(parser);
+	parser.log = false;
+	
+	cout << "Fix  Sats  Sig\t\tSpeed    Dir  Lat         , Lon           Accuracy" << endl;
+	// Handle any changes to the GPS Fix... This is called whenever it's updated.
+	gps.onUpdate += [&gps](){
+		cout << (gps.fix.locked() ? "[*] " : "[ ] ") << setw(2) << setfill(' ') << gps.fix.trackingSatellites << "/" << setw(2) << setfill(' ') << gps.fix.visibleSatellites << " ";
+		cout << fixed << setprecision(2) << setw(5) << setfill(' ') << gps.fix.almanac.averageSNR() << " dB   ";
+		cout << fixed << setprecision(2) << setw(6) << setfill(' ') << gps.fix.speed << " km/h [" << GPSFix::travelAngleToCompassDirection(gps.fix.travelAngle, true) << "]  ";
+		cout << fixed << setprecision(6) << gps.fix.latitude << "\xF8 " "N, " << gps.fix.longitude << "\xF8 " "E" << "  ";
+		cout << "+/- " << setprecision(1) << gps.fix.horizontalAccuracy() << "m  ";
+		cout << endl;
+	};
+
+
+
+	// -- STREAM THE DATA  ---
+
+	// From a buffer in memory...
+	parser.readBuffer((uint8_t*)bytestream, sizeof(bytestream));
+
+	// -- OR --
+	// From a device byte stream...
+	// gps.parser.readByte(byte_from_device);
+
+	// -- OR --
+	// From a file
+	string line;
+	ifstream file("nmea_log.txt");
+	while (getline(file, line)){
+		try {
+			parser.readLine(line);
+		}
+		catch (NMEAParseError& e){
+			cout << e.message << endl << endl;
+			// You can keep feeding data to the gps service...
+			// The previous data is ignored and the parser is reset.
+		}
+	}
+		
+
+	// Show the final fix information
+	cout << gps.fix.toString() << endl;
+
+
+	cin.ignore();
+
+
+	return 0;
+}
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