public Task <int> 添加卫星(SatelliteInfo satellite)
{
using (var db = new SqlSugarClient(ConnectionConfig))
{
return(db.Insertable(satellite).ExecuteReturnIdentityAsync());
}
}
public static Decoded Parse(Sentence sentence)
{
// $GPGSV,<1>,<2>,<3>,<4>,<5>,<6>,<7>, ... ,<4>,<5>,<6>,<7>*<CS><CR><LF>
// 0) Sentence Id
// 1) Total number of GSV sentences to be transmitted, 1-3.
// 2) Sequence number of message, 1-3.
// 3) Total number of satellites in view, 00 to 12.
// 4) Satellite PRN number, 01 to 32.
// 5) Satellite elevation, 00 to 90 degrees.
// 6) Satellite azimuth, 000 to 359 degrees, true.
// 7) Signal to noise ration in dBHZ (0-99), null when not tracking.
// *<CS>) Checksum.
// <CR><LF>) Sentence terminator
//
// NOTE: Items <4>,<5>,<6> and <7> repeat for each satellite in view to a maximum
// of four (4) satellites per sentence. Additional satellites in view information
// must be sent in subsequent sentences. These fields will be null if unused.
if (sentence.Id != "$GPGSV") {
return null;
}
if (sentence.Parts.Length != 20) {
return null;
}
int sequenceCount,
sequenceId,
numberOfSatellites;
int.TryParse(sentence.Parts[1], out sequenceCount);
int.TryParse(sentence.Parts[2], out sequenceId);
int.TryParse(sentence.Parts[3], out numberOfSatellites);
SatelliteInfo[] satelliteInfos = new SatelliteInfo[4];
for (int i = 0; i < 4; i++) {
int prn,
elevation,
azimuth;
double signalToNoise;
int.TryParse(sentence.Parts[4 * i + 4], out prn);
int.TryParse(sentence.Parts[4 * i + 5], out elevation);
int.TryParse(sentence.Parts[4 * i + 6], out azimuth);
double.TryParse(sentence.Parts[4 * i + 7], out signalToNoise);
//todo use sequence id for start offset
satelliteInfos[i] = new SatelliteInfo(prn, elevation, azimuth, signalToNoise);
}
return new Decoded(satelliteInfos);
}
