public void processAPDURead(List <byte> apduPkt)
{
stationConsole.Text += "processAPDURead" + Environment.NewLine;
CancellationToken ct;
//We know this is a read, we need to find out what the indices are and return the values
//we also need to know the Group and Variation to perform the action
//we need to know the qualifier depending on this we make sense of the range values
APDU responseAPDU = new APDU(); //prepare to respond
TPDU responseTPDU = new TPDU();
DPDU responseDPDU = new DPDU();
List <byte> dnpResponse = new List <byte>();
Console.Write("processAPDURead" + Environment.NewLine);
FormBasedTCPListenMaster.APDU.groupID group = (FormBasedTCPListenMaster.APDU.groupID)apduPkt[2];
FormBasedTCPListenMaster.APDU.variationID var = (FormBasedTCPListenMaster.APDU.variationID)apduPkt[3];
FormBasedTCPListenMaster.APDU.prefixAndRange prefixRange = (FormBasedTCPListenMaster.APDU.prefixAndRange)apduPkt[4];
if (group == FormBasedTCPListenMaster.APDU.groupID.G1)
{
if (var == FormBasedTCPListenMaster.APDU.variationID.V1)
{
//this is a group 1 variation 1, report the state of one or more binary points
//since this is a read function code, we need to return values of the binary points
//now get the qualifier
if (prefixRange == FormBasedTCPListenMaster.APDU.prefixAndRange.IndexOneOctetObjectSize)
{
//this means range field contains one octet count of objects and
//each object is preceded by its index
}
else if (prefixRange == FormBasedTCPListenMaster.APDU.prefixAndRange.NoIndexOneOctetStartStop)
{
//this means objects are NOT preceded by an index but the range field contains
//one start octet with start index value and one stop octet with stop index value
//example 00-02-01-01-01 means start index is 00, end index is 02
//index 00 = 01, index 01=01 index 02=01
byte startIndex = apduPkt[5];
byte stopIndex = apduPkt[6];
//params should be in the following order
//Confirm, Unsolicited, function, group, variation, prefixQualifier, [range] OR [start index, stop index]
responseAPDU.buildAPDU(ref dnpResponse, 0x00, 0x00, 0x81, (byte)group, (byte)var, (byte)prefixRange, startIndex, stopIndex, apdu.binaryOutput[0],
apdu.binaryOutput[1], apdu.binaryOutput[2]);
responseTPDU.buildTPDU(ref dnpResponse);
responseDPDU.buildDPDU(ref dnpResponse, 0xC4, 65519, 1); //dst=1, src=65519
byte[] msgBytes = dnpResponse.ToArray();
string msg = BitConverter.ToString(msgBytes);
stationConsole.Text += msg + Environment.NewLine;
//await sendReadData(msgBytes, ct);
}
}
}
}
public void processAPDUWrite(List <byte> apduPkt)
{
//We know this is a write, we need to find out what the indices are and values
//we also need to know the Group and Variation to perform the action
//we need to know the qualifier depending on this we make sense of the range values
stationConsole.Text += "processAPDUWrite" + Environment.NewLine;
FormBasedTCPListenMaster.APDU.groupID group = (FormBasedTCPListenMaster.APDU.groupID)apduPkt[2];
FormBasedTCPListenMaster.APDU.variationID var = (FormBasedTCPListenMaster.APDU.variationID)apduPkt[3];
FormBasedTCPListenMaster.APDU.prefixAndRange prefixRange = (FormBasedTCPListenMaster.APDU.prefixAndRange)apduPkt[4];
if (group == FormBasedTCPListenMaster.APDU.groupID.GA)
{
if (var == FormBasedTCPListenMaster.APDU.variationID.V1)
{
//this is a group 10 variation 1, control or report the state of one or more binary points
//since this is a write function code, we need to write values into the binary points
//now get the qualifier
if (prefixRange == FormBasedTCPListenMaster.APDU.prefixAndRange.IndexOneOctetObjectSize)
{
//this means range field contains one octet count of objects and
//each object is preceded by its index
}
else if (prefixRange == FormBasedTCPListenMaster.APDU.prefixAndRange.NoIndexOneOctetStartStop)
{
//this means objects are NOT preceded by an index but the range field contains
//one start octet with start index value and one stop octet with stop index value
//example 00-02-01-01-01 means start index is 00, end index is 01
//index 00 = 01, index 01=01 index 02=01
byte startIndex = apduPkt[5];
byte stopIndex = apduPkt[6];
int maxObjects = stopIndex - startIndex; //number of values needed
int apduCount = apduPkt.Count(); // total elements
if (apduCount < (7 + maxObjects))
{
Console.WriteLine("Error, insufficient objects");
}
else
{
//get the object values and write it in the database
for (byte i = startIndex, j = 0; i <= stopIndex; i++)
{
apdu.binaryOutput[startIndex + i] = apduPkt[7 + j];
j++;
}
//updateRadios(apdu.binaryOutput);
}
}
}
}
} //processAPDUWrite
