51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
/*
|
|
=== RMB Recommended Minimum Navigation Information ===
|
|
|
|
To be sent by a navigation receiver when a destination waypoint is active.
|
|
|
|
------------------------------------------------------------------------------
|
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14
|
|
| | | | | | | | | | | | | |
|
|
$--RMB,A,x.x,a,c--c,c--c,llll.ll,a,yyyyy.yy,a,x.x,x.x,x.x,A*hh
|
|
------------------------------------------------------------------------------
|
|
|
|
Field Number:
|
|
|
|
1) Status, V = Navigation receiver warning
|
|
2) Cross Track error - nautical miles
|
|
3) Direction to Steer, Left or Right
|
|
4) FROM Waypoint ID
|
|
5) TO Waypoint ID
|
|
6) Destination Waypoint Latitude
|
|
7) N or S
|
|
8) Destination Waypoint Longitude
|
|
9) E or W
|
|
10) Range to destination in nautical miles
|
|
11) Bearing to destination in degrees True
|
|
12) Destination closing velocity in knots
|
|
13) Arrival Status, A = Arrival Circle Entered
|
|
14) Checksum
|
|
|
|
*/
|
|
exports.TYPE = 'nav-info-waypoint';
|
|
exports.ID = 'RMB';
|
|
|
|
exports.decode = function(fields) {
|
|
return {
|
|
sentence: exports.ID,
|
|
type: exports.TYPE,
|
|
status: fields[1] == 'V' ? 'warning' : 'valid',
|
|
crossTrackError: +fields[2],
|
|
steer: fields[3],
|
|
fromWaypoint: fields[4],
|
|
toWaypoint: fields[5],
|
|
lat: fields[6],
|
|
latPole: fields[7],
|
|
lon: fields[8],
|
|
lonPole: fields[9],
|
|
range: +fields[10],
|
|
bearing: +fields[11],
|
|
vmg: +fields[12],
|
|
arrived: fields[13] == 'A' ? true : false
|
|
};
|
|
} |