OptoTelegram serial port data parsing, OptoData and RfidData logging, opto-measurement ready to be tested.

2015-08-16 12:54:44 +02:00
parent a6aa6739ad
commit e302cb9335
10 changed files with 562 additions and 169 deletions
@@ -0,0 +1,150 @@
+using System;
+using System.Globalization;
+
+namespace TBF.BenchControl.WaterMeters.iPerl
+{
+	public class OptoTelegram
+	{
+		public static readonly int Length = 42;
+
+		public double EMF;
+		public Int16 MagneticField;
+		public double Flow;
+		public double Volume;
+		public Int16 Impedance;
+		public UInt32 Timestamp;
+		public byte GG;
+
+		string sourceStr;
+
+
+		public OptoTelegram()
+		{
+		}
+
+		public override string ToString()
+		{
+			return sourceStr;
+		}
+
+        /// <summary>
+        /// Create a configuration structure from a complete byte array
+		/// 
+		/// Telegram description:
+		/// 
+		/// AAAAAA[tab]BBBB[tab]CCCC[tab]DDDDDD[tab]EEEE[tab]FFFFFFFF[tab]GG[cr][lf]  (42 bytes)
+		/// 
+		/// Data     Comment         Type     Calculate to decimal
+		/// ----------------------------------------------------------------
+		/// AAAAAA   EMF             Int24    Value * 0.000000333
+		/// BBBB     Magnetic field  Int16    Value
+		/// CCCC     Flow            Int16    Value * 0.225 * Scalig factor
+		/// DDDDDD   Volume          Int24    Value / 16000 * Scaling factor
+		/// EEEE     Impedance       Int16    Value
+		/// FFFFFFFF Timestamp       Uint32   Value / 8192
+		/// GG
+		/// ----------------------------------------------------------------
+		/// 
+		/// Example:
+		/// FFFFFE	51EA	0000	65324E	0087	F6319DFF	86
+		/// FFDD3A	51F9	0000	65324E	0088	F631A60B	45
+		/// ...
+        /// </summary>
+        /// <param name="data">A complete byte array data</param>
+        /// <returns>ConfigStruct or null when byte array was not complete</returns>
+		public static OptoTelegram FromString(string telegram, MeterType meterType)
+		{
+			if ((telegram == null) || (telegram.Length < Length) ||
+				(telegram[6]  != '\t') || (telegram[11] != '\t') ||
+				(telegram[16] != '\t') || (telegram[23] != '\t') ||
+				(telegram[28] != '\t') || (telegram[37] != '\t') ||
+				(telegram[40] != '\r') || (telegram[41] != '\n'))
+			{
+				return null;
+			}
+
+			OptoTelegram opto = new OptoTelegram();
+
+			Int32 value;
+			if (Int32.TryParse(telegram.Substring(0, 6), NumberStyles.HexNumber, CultureInfo.CurrentCulture, out value))
+			{
+				Int32 svalue = (value >= 0x00800000) ? (value - 0x01000000) : value;
+				opto.EMF = 0.000000333 * (double)svalue;
+			}
+			else return null;
+
+			if (Int32.TryParse(telegram.Substring(7, 4), NumberStyles.HexNumber, CultureInfo.CurrentCulture, out value))
+			{
+				Int32 svalue = (value >= 0x00008000) ? (value - 0x00010000) : value;
+				opto.MagneticField = (Int16)svalue;
+			}
+			else return null;
+
+			double factor = ScalingFactor(meterType);
+
+			if (Int32.TryParse(telegram.Substring(12, 4), NumberStyles.HexNumber, CultureInfo.CurrentCulture, out value))
+			{
+				Int32 svalue = (value >= 0x00008000) ? (value - 0x00010000) : value;
+				opto.Flow = 0.225 * (double)svalue * factor;
+			}
+			else return null;
+
+			if (Int32.TryParse(telegram.Substring(17, 6), NumberStyles.HexNumber, CultureInfo.CurrentCulture, out value))
+			{
+				Int32 svalue = (value >= 0x00800000) ? (value - 0x01000000) : value;
+				opto.Volume = (double)svalue / 16000.0 * factor;
+			}
+			else return null;
+
+			if (Int32.TryParse(telegram.Substring(24, 4), NumberStyles.HexNumber, CultureInfo.CurrentCulture, out value))
+			{
+				Int32 svalue = (value >= 0x00008000) ? (value - 0x00010000) : value;
+				opto.Impedance = (Int16)svalue;
+			}
+			else return null;
+
+			UInt32 uvalue;
+			if (UInt32.TryParse(telegram.Substring(29, 8), NumberStyles.HexNumber, CultureInfo.CurrentCulture, out uvalue))
+			{
+				opto.Timestamp = uvalue;
+			}
+			else return null;
+
+			if (UInt32.TryParse(telegram.Substring(38, 2), NumberStyles.HexNumber, CultureInfo.CurrentCulture, out uvalue))
+			{
+				opto.GG = (byte)uvalue;
+			}
+			else return null;
+
+			opto.sourceStr = telegram.Substring(0, Length - 2);
+
+			return opto;
+		}
+
+
+		/// <summary>
+		/// Scaling factor:
+		///   0, 1 (DN15, Coax) . . . .  1
+		///   2  (DN20) . . . . . . . .  2
+		///   3  (DN25) . . . . . . . .  4
+		///   4, 5 (DN26, DN32) . . . .  8
+		///   6  (DN40) . . . . . . . . 16
+		/// </summary>
+		/// <param name="meterType">MeterType (0..6)</param>
+		/// <returns>Scaling factor</returns>
+		public static double ScalingFactor(MeterType meterType)
+		{
+			switch (meterType)
+			{
+				default:
+				case MeterType.DN15:
+				case MeterType.CoaxManifold: return 1.0;
+				case MeterType.DN20: return 2.0;
+				case MeterType.DN25: return 4.0;
+				case MeterType.DN26:
+				case MeterType.DN32: return 8.0;
+				case MeterType.DN40: return 16.0;
+			}
+		}
+	}
+}