63 lines
1.8 KiB
C#
63 lines
1.8 KiB
C#
using System;
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namespace GpsClient2.NmeaMessages {
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public class GpvtgMessage : NmeaMessage {
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#region Description
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// $GPVTG,054.7,T,034.4,M,005.5,N,010.2,K*48
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// where:
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// VTG Track made good and ground speed
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// 054.7,T True track made good(degrees)
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// 034.4,M Magnetic track made good
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// 005.5,N Ground speed, knots
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// 010.2,K Ground speed, Kilometers per hour
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// *48 Checksum
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#endregion
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#region Properties
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/// <summary>
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/// True track made good(degrees)
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/// </summary>
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public float TrackDegrees { get; set; }
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/// <summary>
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/// Magnetic track made good
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/// </summary>
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public float MagneticTrack { get; set; }
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/// <summary>
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/// Ground speed, knots
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/// </summary>
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public float GroundSpeetKnots { get; set; }
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/// <summary>
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/// Ground speed, Kilometers per hour
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/// </summary>
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public float GroundSpeed { get; set; }
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#endregion
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#region Message parsing
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public override void Parse(string[] messageParts) {
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//$GPVTG,054.7,T,034.4,M,005.5,N,010.2,K * 48
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if (messageParts == null || messageParts.Length < 9) {
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throw new ArgumentException("Invalid GPVTG message");
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}
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TrackDegrees = messageParts[1].ToFloat();
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MagneticTrack = messageParts[3].ToFloat();
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GroundSpeetKnots = messageParts[5].ToFloat();
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GroundSpeed = messageParts[7].ToFloat();
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}
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#endregion
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public override string ToString() {
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return $"Speed {GroundSpeed} - Track level {TrackDegrees}";
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}
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}
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}
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