public IModbusWrapper Scan()
{
if (buffer.Count >= 8)
{
var code = buffer[1];
CheckCode(code);
var length = 8;
if (HasBytesAt6(code))
{
if (buffer.Count >= 9)
{
length = 9 + buffer[6];
}
else
{
return(null);
}
}
if (buffer.Count >= length)
{
var request = buffer.GetRange(0, length).ToArray();
buffer.RemoveRange(0, length);
return(protocol.Parse(request, 0));
}
}
return(null);
}
public IModbusWrapper Scan()
{
//01,02,03,04,05,06 have 6 + 2(CRC)
//15,16 have 6 + 1(len) + len + 2(CRC)
if (buffer.Count >= 8)
{
var code = buffer[1];
CheckCode(code);
var length = 8;
if (HasBytesAt6(code))
{
length += 1 + buffer[6];
}
if (buffer.Count >= length)
{
var request = buffer.GetRange(0, length).ToArray();
buffer.RemoveRange(0, length);
return(protocol.Parse(request, 0));
}
}
return(null); //not enough data to parse
}
