public string Decode(byte[] Data, string Time)
{
// Define output data buffer
string DataOut;
// Determine Length of FSPEC fields in bytes
int FSPEC_Length = ASTERIX.DetermineLenghtOfFSPEC(Data);
// Determine SIC/SAC Index
int SIC_Index = 3 + FSPEC_Length;
int SAC_Index = SIC_Index + 1;
// Extract SIC/SAC Indexes.
DataOut = Data[SIC_Index].ToString() + '/' + Data[SAC_Index].ToString();
// Creates and initializes a BitVector32 with all bit flags set to FALSE.
BitVector32 FourFSPECOctets = ASTERIX.GetFourFSPECOctets(Data);
// Loop for each FSPEC and determine what data item is present
for (int FSPEC_Index = 1; FSPEC_Index <= FSPEC_Length; FSPEC_Index++)
{
switch (FSPEC_Index)
{
case 1:
// 010 Data Source Identifier
if (FourFSPECOctets[Bit_Ops.Bit7] == true)
{
DataOut = DataOut + " 010:T";
I065DataItems[ItemIDToIndex("010")].IsPresent = true;
}
else
{
DataOut = DataOut + " 010:F";
}
// 000 Message Type
if (FourFSPECOctets[Bit_Ops.Bit6] == true)
{
DataOut = DataOut + " 000:T";
I065DataItems[ItemIDToIndex("000")].IsPresent = true;
}
else
{
DataOut = DataOut + " 000:F";
}
// 015 Service Identification
if (FourFSPECOctets[Bit_Ops.Bit5] == true)
{
DataOut = DataOut + " 015:T";
I065DataItems[ItemIDToIndex("015")].IsPresent = true;
}
else
{
DataOut = DataOut + " 015:F";
}
// 030 Time of Message
if (FourFSPECOctets[Bit_Ops.Bit4] == true)
{
DataOut = DataOut + " 030:T";
I065DataItems[ItemIDToIndex("030")].IsPresent = true;
}
else
{
DataOut = DataOut + " 030:F";
}
// 020 Batch Number
if (FourFSPECOctets[Bit_Ops.Bit3] == true)
{
DataOut = DataOut + " 020:T";
I065DataItems[ItemIDToIndex("020")].IsPresent = true;
}
else
{
DataOut = DataOut + " 020:F";
}
// 040 SDPS Configuration and Status
if (FourFSPECOctets[Bit_Ops.Bit2] == true)
{
DataOut = DataOut + " 040:T";
I065DataItems[ItemIDToIndex("040")].IsPresent = true;
}
else
{
DataOut = DataOut + " 040:F";
}
// 050 Service Status Report
if (FourFSPECOctets[Bit_Ops.Bit1] == true)
{
DataOut = DataOut + " 050:T";
I065DataItems[ItemIDToIndex("050")].IsPresent = true;
}
else
{
DataOut = DataOut + " 050:F";
}
break;
// Handle errors
default:
DataOut = DataOut + " UKN:T";
break;
}
CAT65DecodeAndStore.Do(Data);
}
// Return decoded data
return(DataOut);
}