public void buildPkt(ref List <byte> dnpPkt, byte fn)
{
APDU myApdu = new APDU();
TPDU myTpdu = new TPDU();
if (fn == (byte)APDU.functionCode.READ)
{
//params should be in the following order for read
//Confirm, Unsolicited, function, group, variation, prefixQualifier, [range] OR [start index, stop index]
//myApdu.buildAPDU(ref dnpPkt, 0x00, 0x00, 0x01, 0x0A, 0x01, 0x00, 0x00, 0x02, 0x01, 0x01, 0x01);
myApdu.buildAPDU(ref dnpPkt, 0x00, 0x00, fn, 0x01, 0x01, 0x00, 0x00, 0x02);
}
else if (fn == (byte)APDU.functionCode.WRITE)
{
//params should be in the following order for write
//Confirm, Unsolicited, function, group, variation, prefixQualifier, [range] OR [start index, stop index], [Data-1],[Data-2] etc
//myApdu.buildAPDU(ref dnpPkt, 0x00, 0x00, 0x01, 0x0A, 0x01, 0x00, 0x00, 0x02, 0x01, 0x01, 0x01);
myApdu.buildAPDU(ref dnpPkt, 0x00, 0x00, fn, 0x01, 0x01, 0x00, 0x00, 0x02, dataToSend[0], dataToSend[1], dataToSend[2]); //hardcode data for now
}
myTpdu.buildTPDU(ref dnpPkt);
DPDU myDpdu = new DPDU();
myDpdu.buildDPDU(ref dnpPkt, 0xC4, 1, 65519); //dst=1, src=65519
}
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);
}
}
}
}