private static void ReadLevel3Helper(Reader rdr, ArgParser pargs, ReadLevel3Type type)
{
SerialReader sr = (SerialReader)rdr;
string[] args = pargs.commandArgs;
int timeout = 500;
if (0 < args.Length)
{
timeout = Int32.Parse(args[0], System.Globalization.NumberStyles.Any);
}
Level3GetTagFunc gettags = null;
switch (type)
{
default:
throw new NotSupportedException("Don't yet support ReadLevel3Type." + type.ToString());
case ReadLevel3Type.WITHMETADATA:
case ReadLevel3Type.BYCOUNT:
case ReadLevel3Type.BYCOUNT496:
gettags = delegate()
{
bool epc496 = type == ReadLevel3Type.BYCOUNT496;
sr.CmdSetReaderConfiguration(SerialReader.Configuration.EXTENDED_EPC, epc496);
UInt16 maxrecspermsg = (UInt16)(240 / (epc496 ? 68 : 18));
while (true)
{
UInt16 bufcount = sr.CmdGetTagsRemaining()[0];
if (bufcount <= 0) { break; }
bufcount = Math.Min((UInt16)bufcount, maxrecspermsg);
if (ReadLevel3Type.WITHMETADATA == type)
{
TagReadData[] reads = sr.CmdGetTagBuffer(SerialReader.TagMetadataFlag.ALL, false, sr.CmdGetProtocol());
PrintTagReads(reads);
}
else
{
TagData[] tags = sr.CmdGetTagBuffer(bufcount, epc496, sr.CmdGetProtocol());
PrintTagDatas(tags);
}
}
};
break;
case ReadLevel3Type.BYINDEX:
case ReadLevel3Type.BYINDEX496:
gettags = delegate()
{
bool epc496 = type == ReadLevel3Type.BYINDEX496;
sr.CmdSetReaderConfiguration(SerialReader.Configuration.EXTENDED_EPC, epc496);
UInt16 maxrecspermsg = (UInt16)(240 / (epc496 ? 68 : 18));
UInt16 bufcount = sr.CmdGetTagsRemaining()[0];
if (bufcount <= 0) { return; }
UInt16 start = 0;
UInt16 end = bufcount;
while (start < end)
{
UInt16 subend = end;
UInt16 subcount = (UInt16)(subend - start);
subcount = Math.Min((UInt16)subcount, maxrecspermsg);
subend = (UInt16)(start + subcount);
TagData[] tags = sr.CmdGetTagBuffer(start, subend, epc496, sr.CmdGetProtocol());
PrintTagDatas(tags);
start += (UInt16)tags.Length;
}
};
break;
}
sr.CmdClearTagBuffer();
sr.CmdReadTagMultiple((ushort)timeout, SerialReader.AntennaSelection.CONFIGURED_LIST, null, TagProtocol.NONE);
gettags();
}
private static Command MakeReadLevel3Command(string name, string description, ReadLevel3Type readtype)
{
return new Command(
delegate(Reader rdr, ArgParser pargs) { ReadLevel3Helper(rdr, pargs, readtype); },
name + " [timeout]",
"Search for tags, using Level 3 commands with " + description,
"timeout -- Number of milliseconds to search. Defaults to a reasonable average number.",
"",
name,
name + " 3000");
}