public static ToByteArray ( |
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value | ||
리턴 | byte[] |
/// <summary> /// Converts a S7 DInt to double /// </summary> public static double FromDWord(Int32 value) { byte[] b = DInt.ToByteArray(value); double d = FromByteArray(b); return(d); }
/// <summary> /// Converts a S7 DInt to float /// </summary> public static float FromDWord(Int32 value) { byte[] b = DInt.ToByteArray(value); float d = FromByteArray(b); return(d); }
/// <summary> /// Creates a byte array depending on the struct type. /// </summary> /// <param name="structValue">The struct object</param> /// <returns>A byte array or null if fails.</returns> public static byte[] ToBytes(object structValue) { Type type = structValue.GetType(); int size = Struct.GetStructSize(type); byte[] bytes = new byte[size]; byte[] bytes2 = null; int bytePos = 0; int bitPos = 0; double numBytes = 0.0; System.Reflection.FieldInfo[] infos = type.GetFields(); foreach (System.Reflection.FieldInfo info in infos) { bytes2 = null; switch (info.FieldType.Name) { case "Boolean": // get the value bytePos = (int)Math.Floor(numBytes); bitPos = (int)((numBytes - (double)bytePos) / 0.125); if ((bool)info.GetValue(structValue)) { bytes[bytePos] |= (byte)Math.Pow(2, bitPos); // is true } else { bytes[bytePos] &= (byte)(~(byte)Math.Pow(2, bitPos)); // is false } numBytes += 0.125; break; case "Byte": numBytes = (int)Math.Ceiling(numBytes); bytePos = (int)numBytes; bytes[bytePos] = (byte)info.GetValue(structValue); numBytes++; break; case "Int16": bytes2 = Int.ToByteArray((Int16)info.GetValue(structValue)); break; case "UInt16": bytes2 = Word.ToByteArray((UInt16)info.GetValue(structValue)); break; case "Int32": bytes2 = DInt.ToByteArray((Int32)info.GetValue(structValue)); break; case "UInt32": bytes2 = DWord.ToByteArray((UInt32)info.GetValue(structValue)); break; case "Double": bytes2 = Double.ToByteArray((double)info.GetValue(structValue)); break; } if (bytes2 != null) { // add them numBytes = Math.Ceiling(numBytes); if ((numBytes / 2 - Math.Floor(numBytes / 2.0)) > 0) { numBytes++; } bytePos = (int)numBytes; for (int bCnt = 0; bCnt < bytes2.Length; bCnt++) { bytes[bytePos + bCnt] = bytes2[bCnt]; } numBytes += bytes2.Length; } } return(bytes); }
/// <summary> /// Creates a byte array depending on the struct type. /// </summary> /// <param name="sourceClass">The struct object</param> /// <returns>A byte array or null if fails.</returns> public static byte[] ToBytes(object sourceClass) { Type type = sourceClass.GetType(); int size = GetClassSize(type); byte[] bytes = new byte[size]; byte[] bytes2 = null; int bytePos = 0; int bitPos = 0; double numBytes = 0.0; var properties = sourceClass.GetType().GetProperties(); foreach (var property in properties) { bytes2 = null; switch (property.PropertyType.Name) { case "Boolean": // get the value bytePos = (int)Math.Floor(numBytes); bitPos = (int)((numBytes - (double)bytePos) / 0.125); if ((bool)property.GetValue(sourceClass, null)) { bytes[bytePos] |= (byte)Math.Pow(2, bitPos); // is true } else { bytes[bytePos] &= (byte)(~(byte)Math.Pow(2, bitPos)); // is false } numBytes += 0.125; break; case "Byte": numBytes = (int)Math.Ceiling(numBytes); bytePos = (int)numBytes; bytes[bytePos] = (byte)property.GetValue(sourceClass, null); numBytes++; break; case "Int16": bytes2 = Int.ToByteArray((Int16)property.GetValue(sourceClass, null)); break; case "UInt16": bytes2 = Word.ToByteArray((UInt16)property.GetValue(sourceClass, null)); break; case "Int32": bytes2 = DInt.ToByteArray((Int32)property.GetValue(sourceClass, null)); break; case "UInt32": bytes2 = DWord.ToByteArray((UInt32)property.GetValue(sourceClass, null)); break; case "Double": bytes2 = Double.ToByteArray((double)property.GetValue(sourceClass, null)); break; } if (bytes2 != null) { // add them numBytes = Math.Ceiling(numBytes); if ((numBytes / 2 - Math.Floor(numBytes / 2.0)) > 0) { numBytes++; } bytePos = (int)numBytes; for (int bCnt = 0; bCnt < bytes2.Length; bCnt++) { bytes[bytePos + bCnt] = bytes2[bCnt]; } numBytes += bytes2.Length; } } return(bytes); }