/// <summary>
/// 为指定的APDU创建信息体并返回，但不自动添加进ASDU。
/// </summary>
/// <param name="apdu">目标APDU</param>
/// <param name="addr">信息体地址，为零时创建不含地址的顺序信息体。</param>
/// <returns></returns>
protected virtual Message CreateMessageForAPDU(APDU apdu, uint addr)
{
Message m;
if (addr == 0)
{
if (!apdu.ASDU.SQ || apdu.ASDU.ActualMsgCount == 0)
{
throw new Exception("非顺序信息体或首个信息体地址不能为0");
}
m = CreateNewMessageNoAddr();
}
else
{
if (apdu.ASDU.SQ && apdu.ASDU.ActualMsgCount > 0)
{
if (addr == apdu.ASDU.Messages.Last().Address + 1)
{
m = CreateNewMessageNoAddr();
}
else
{
throw new Exception("顺序信息体地址不连续");
}
}
else
{
m = CreateNewMessageWithAddr();
m.Address = addr;
}
}
return(m);
}
public void PutData(APDU apdu, Int16 val, uint addr = 0, bool iv = false, bool nt = false, bool sb = false, bool bl = false, bool ov = false)
{
var m = CreateMessageForAPDU(apdu, addr);
m.SVA = val;
m.QDS_IV = iv;
m.QDS_NT = nt;
m.QDS_SB = sb;
m.QDS_BL = bl;
m.QDS_OV = ov;
apdu.ASDU.Messages.Add(m);
}
public virtual APDU CreateAPDU(byte asduAddr, bool sq = false, bool pn = false, bool test = false)
{
var v = new APDU(this);
v.ASDU = new ASDU();
v.ASDU.Type = ASDUType;
v.ASDU.Address = asduAddr;
v.ASDU.SQ = sq;
v.ASDU.PN = pn;
v.ASDU.Test = test;
return(v);
}
public void PutData(APDU apdu, float val, DateTime time, uint addr = 0, bool iv = false, bool nt = false, bool sb = false, bool bl = false, bool ov = false)
{
var m = CreateMessageForAPDU(apdu, addr);
m.R = val;
m.QDS_IV = iv;
m.QDS_NT = nt;
m.QDS_SB = sb;
m.QDS_BL = bl;
m.QDS_OV = ov;
SetTime(m, time);
apdu.ASDU.Messages.Add(m);
}
/// <summary>
/// 使用默认或指定的格式器组解析报文。
/// </summary>
/// <param name="buf">报文数据</param>
/// <param name="formatters">指定格式器组</param>
/// <returns></returns>
public ParseResult ParseAPDU(byte[] buf, Dictionary <byte, DatagramFormatterBase> formatters = null)
{
if (formatters == null)
{
formatters = DefaultDatagrams;
}
ParseResult result;
result.APDU = null;
result.Datagram = null;
try
{
DatagramFormatterBase formatter = null;
var APDU = new APDU(buf);
if (APDU.Format == DatagramFormat.InformationTransmit)
{
var ASDU = new ASDU(buf, APDU.APCILength);
APDU.ASDU = ASDU;
if (formatters.TryGetValue(ASDU.Type, out formatter))
{
APDU.Formatter = formatter;
byte bi = APDU.APCILength + ASDU.HeaderLength;
if (ASDU.SQ)
{
var m = new Message(formatter.ElementType, formatter.AddrLength, formatter.ExtraLength, formatter.TimeStampLength);
for (int i = 0; i < formatter.AddrLength; i++)
{
m.Addr[i] = buf[bi++];
}
for (int i = 0; i < formatter.ElementType.Length(); i++)
{
m.Element[i] = buf[bi++];
}
for (int i = 0; i < formatter.ExtraLength; i++)
{
m.Extra[i] = buf[bi++];
}
for (int i = 0; i < formatter.TimeStampLength; i++)
{
m.TimeStamp[i] = buf[bi++];
}
ASDU.Messages.Add(m);
var addr = m.Address;
for (int k = 1; k < ASDU.MsgCount; k++)
{
m = new Message(formatter.ElementType, 0, formatter.ExtraLength, formatter.TimeStampLength);
m.Address = ++addr;
for (int i = 0; i < formatter.ElementType.Length(); i++)
{
m.Element[i] = buf[bi++];
}
for (int i = 0; i < formatter.ExtraLength; i++)
{
m.Extra[i] = buf[bi++];
}
for (int i = 0; i < formatter.TimeStampLength; i++)
{
m.TimeStamp[i] = buf[bi++];
}
ASDU.Messages.Add(m);
}
}
else
{
for (int k = 0; k < ASDU.MsgCount; k++)
{
var m = new Message(formatter.ElementType, formatter.AddrLength, formatter.ExtraLength, formatter.TimeStampLength);
for (int i = 0; i < formatter.AddrLength; i++)
{
m.Addr[i] = buf[bi++];
}
for (int i = 0; i < formatter.ElementType.Length(); i++)
{
m.Element[i] = buf[bi++];
}
for (int i = 0; i < formatter.ExtraLength; i++)
{
m.Extra[i] = buf[bi++];
}
for (int i = 0; i < formatter.TimeStampLength; i++)
{
m.TimeStamp[i] = buf[bi++];
}
ASDU.Messages.Add(m);
}
}
}
}
result.Datagram = formatter;
result.APDU = APDU;
}
catch (Exception) { }
return(result);
}