public PointWindow()
{
this.point = new MeterPoint();
this.point.BACnetIP = "123";
InitializeComponent();
this.DataContext = point;
}
public void getPresentValue(MeterPoint p)
{
byte[] testByte = new byte[17];
// Send the request
try
{
//PEP Use NPDU.Create and APDU.Create (when written)
//BVLC
testByte[0] = 0x81; // BVLC Type (0x81 = BACNet/IP)
testByte[1] = 0x0A; // BVLC Function (0x0B = BROADCAST)
testByte[2] = 0x00; // BVLC Length (2 bytes)
testByte[3] = 0x11; // BVLC Length
//NPDU
testByte[4] = 0x01; // Version
testByte[5] = 0x04; // Control Flags = 0010 0000
// 0... .... = NSDU contains: BACnet APDU, message type field absent.
// .0.. .... = Reserved: Shall be zero and is zero.
// ..1. .... = Destination Specifier: DNET, DLEN and Hop Count present. If DLEN=0: broadcast, dest. address field absent.
// ...0 .... = Reserved: Shall be zero and is zero.
// .... 0... = Source specifier: SNET, SLEN and SADR absent
// .... .0.. = Expecting Reply: Other than a BACnet-Confirmed-Request-PDU, segment of BACnet-ComplexACK-PDU or network layer message expecting a reply present.
// .... ..0. = Priority: Not a Life Safety or Critical Equipment message.
// .... ...0 = Priority: Normal message
testByte[6] = 0x02; // DNET - 2-octet ultimate destination network number.
testByte[7] = 0x75; // DNET
testByte[8] = 0x7C; // DLEN - 1-octet length of ultimate destination MAC layer address (A value of 0 indicates a broadcast on the destination network.)
testByte[9] = 0x0C; // Hop Count (FF = 255)
//APDU
testByte[10] = 0x0C; // APDU Type : Unconfirmed Request
testByte[11] = 0x00; // Unconfirmed Service Choice: 8, who is. (pg 794)
testByte[12] = 0x6D;
testByte[13] = 0xE8;
testByte[14] = 0xAD;
testByte[15] = 0x19;
testByte[16] = 0x55;
sendUDP.EnableBroadcast = false;
sendUDP.Send(testByte, 17, remoteEP);
while (true)
{
var remoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
var recvBytes = sendUDP.Receive(ref remoteEP);
Console.WriteLine(remoteEP.Address.ToString());
Console.WriteLine("this many bytes: " + recvBytes.Length);
//BACnetFrame b = new BACnetFrame(Array.ConvertAll(recvBytes, c => (int)c));
//Parse and save the BACnet data
for (int i = 0; i < recvBytes.Length; i++)
{
Console.WriteLine(recvBytes[i].ToString("X2"));
}
Console.WriteLine("-----------");
}
}
catch (Exception ex)
{
}
}
public PointWindow(MeterPoint p)
{
InitializeComponent();
this.DataContext = p;
}