117 lines
3.6 KiB
C#
117 lines
3.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace SipComponent.Simoco
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{
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static class SP6
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{
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// Short data (Over-the-Air) PDU
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// byte 0 - Rezerved (Header) 0
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// byte 1 - Type (Header) 0 (Management)
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// byte 2...end - Management payload
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// Management payload
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// byte 2 - Protocol Control 0
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// byte 3 - Type 0 - GPS, 1 - Device Status, 255 - Ping
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// byte 4 - Command depends on Tpe
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// byte 5...end - Parameters
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private static void AddManagementShortData(byte[] data, byte type, byte command)
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{
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data[3] = type;
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data[4] = command;
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}
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public static byte GetType(byte[] managementShortData)
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{
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return managementShortData[3];
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}
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public static byte GetCommand(byte[] managementShortData)
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{
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return managementShortData[4];
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}
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public static AlarmType GetAlarmType(byte[] deviceStatusReport)
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{
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// bytes 5..6 User Status
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// bytes 7..10 Alarm Conditions Flags
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// bytes 11..14 GPS Latitude
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// bytes 15..18 GPS Longitude
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return (AlarmType)BitConverter.ToUInt32(deviceStatusReport, 7);
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}
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public static void GetGPSFromStatusReport(byte[] deviceStatusReport, out double latitude, out double longitude)
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{
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byte[] latitudeBytes = new byte[4];
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byte[] longitudeBytes = new byte[4];
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Array.Copy(deviceStatusReport, 11, latitudeBytes, 0, 4);
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Array.Reverse(latitudeBytes);
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Array.Copy(deviceStatusReport, 15, longitudeBytes, 0, 4);
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Array.Reverse(longitudeBytes);
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latitude = BitConverter.ToInt32(latitudeBytes, 0) / 10000000.0;
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longitude = BitConverter.ToInt32(longitudeBytes, 0) / 10000000.0;
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}
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public static byte[] PingCommand(params byte[] arbitraryData)
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{
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// lungimea in oceti = 5 + arbitrary data
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int n = 5 + arbitraryData.Length;
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byte[] ping = new byte[n];
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AddManagementShortData(ping, 0xFF, 0);
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Array.Copy(arbitraryData, 0, ping, 5, arbitraryData.Length);
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return ping;
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}
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public static byte[] GPSRequestCommand()
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{
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byte[] GPSRequest = new byte[5];
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AddManagementShortData(GPSRequest, 0, 1);
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return GPSRequest;
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}
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public static byte[] StatusRequestCommand()
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{
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byte[] StatusRequest = new byte[5];
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AddManagementShortData(StatusRequest, 1, 0);
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return StatusRequest;
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}
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public static byte[] CapabilityRequestCommand()
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{
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byte[] deviceCapabilityRequest = new byte[5];
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AddManagementShortData(deviceCapabilityRequest, 1, 3);
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return deviceCapabilityRequest;
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}
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}
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/// <summary>
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/// Contains a list of Alarm types
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/// </summary>
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public enum AlarmType : uint
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{
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/// <summary>
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/// Alarm generated by pressing a button
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/// </summary>
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USER_GENERATED = 0x01000000,
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/// <summary>
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/// MAN DOWN
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/// </summary>
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MAN_DOWN = 0x02000000,
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/// <summary>
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/// LONE WORKER
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/// </summary>
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LONE_WORKER = 0x04000000,
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/// <summary>
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/// NO ALARM
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/// </summary>
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NO_ALARM = 0x00000000
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}
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}
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