aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/org/traccar/helper
diff options
context:
space:
mode:
Diffstat (limited to 'src/main/java/org/traccar/helper')
-rw-r--r--src/main/java/org/traccar/helper/NMEA.java126
1 files changed, 0 insertions, 126 deletions
diff --git a/src/main/java/org/traccar/helper/NMEA.java b/src/main/java/org/traccar/helper/NMEA.java
deleted file mode 100644
index cae47a8f6..000000000
--- a/src/main/java/org/traccar/helper/NMEA.java
+++ /dev/null
@@ -1,126 +0,0 @@
-package org.traccar.helper;
-
-import java.util.HashMap;
-import java.util.Map;
-
-
-public class NMEA {
-
- // fucking java interfaces
- interface SentenceParser {
- public boolean parse(String[] tokens, GPSPosition position);
- }
-
- // utils
- static float Latitude2Decimal(String lat, String NS) {
- float med = Float.parseFloat(lat.substring(2)) / 60.0f;
- med += Float.parseFloat(lat.substring(0, 2));
- if (NS.startsWith("S")) {
- med = -med;
- }
- return med;
- }
-
- static float Longitude2Decimal(String lon, String WE) {
- float med = Float.parseFloat(lon.substring(3)) / 60.0f;
- med += Float.parseFloat(lon.substring(0, 3));
- if (WE.startsWith("W")) {
- med = -med;
- }
- return med;
- }
-
- // parsers
- class GPGGA implements SentenceParser {
- public boolean parse(String[] tokens, GPSPosition position) {
- position.time = Float.parseFloat(tokens[1]);
- position.lat = Latitude2Decimal(tokens[2], tokens[3]);
- position.lon = Longitude2Decimal(tokens[4], tokens[5]);
- position.quality = Integer.parseInt(tokens[6]);
- position.altitude = Float.parseFloat(tokens[9]);
- return true;
- }
- }
-
- class GPGGL implements SentenceParser {
- public boolean parse(String[] tokens, GPSPosition position) {
- position.lat = Latitude2Decimal(tokens[1], tokens[2]);
- position.lon = Longitude2Decimal(tokens[3], tokens[4]);
- position.time = Float.parseFloat(tokens[5]);
- return true;
- }
- }
-
- class GPRMC implements SentenceParser {
- public boolean parse(String[] tokens, GPSPosition position) {
- position.time = Float.parseFloat(tokens[1]);
- position.lat = Latitude2Decimal(tokens[3], tokens[4]);
- position.lon = Longitude2Decimal(tokens[5], tokens[6]);
- position.velocity = Float.parseFloat(tokens[7]);
- position.dir = Float.parseFloat(tokens[8]);
- return true;
- }
- }
-
- class GPVTG implements SentenceParser {
- public boolean parse(String[] tokens, GPSPosition position) {
- position.dir = Float.parseFloat(tokens[3]);
- return true;
- }
- }
-
- class GPRMZ implements SentenceParser {
- public boolean parse(String[] tokens, GPSPosition position) {
- position.altitude = Float.parseFloat(tokens[1]);
- return true;
- }
- }
-
- public class GPSPosition {
- public float time = 0.0f;
- public float lat = 0.0f;
- public float lon = 0.0f;
- public boolean fixed = false;
- public int quality = 0;
- public float dir = 0.0f;
- public float altitude = 0.0f;
- public float velocity = 0.0f;
-
- public void updatefix() {
- fixed = quality > 0;
- }
-
- public String toString() {
- return String.format("POSITION: lat: %f, lon: %f, time: %f, Q: %d, dir: %f, alt: %f, vel: %f", lat, lon, time, quality, dir, altitude, velocity);
- }
- }
-
- GPSPosition position = new GPSPosition();
-
- private static final Map<String, SentenceParser> sentenceParsers = new HashMap<String, SentenceParser>();
-
- public NMEA() {
- sentenceParsers.put("GPGGA", new GPGGA());
- sentenceParsers.put("GPGGL", new GPGGL());
- sentenceParsers.put("GPRMC", new GPRMC());
- sentenceParsers.put("GPRMZ", new GPRMZ());
- //only really good GPS devices have this sentence but ...
- sentenceParsers.put("GPVTG", new GPVTG());
- }
-
- public GPSPosition parse(String line) {
-
- if (line.startsWith("$")) {
- String nmea = line.substring(1);
- String[] tokens = nmea.split(",");
- String type = tokens[0];
- //TODO check crc
- if (sentenceParsers.containsKey(type)) {
- sentenceParsers.get(type).parse(tokens, position);
- }
- position.updatefix();
- }
-
- return position;
- }
-}