// Simple Handler for receiving the tag reports from the reader
void reader_OnRoAccessReportReceived(MSG_RO_ACCESS_REPORT msg)
{
// Report could be empty
if (msg.TagReportData == null)
{
return;
}
// Loop through and print out each tag
for (int i = 0; i < msg.TagReportData.Length; i++)
{
reportCount++;
// just write out the EPC as a hex string for now. It is guaranteed to be
// in all LLRP reports regardless of default configuration
string epc;
if (msg.TagReportData[i].EPCParameter[0].GetType() == typeof(PARAM_EPC_96))
{
epc = ((PARAM_EPC_96)(msg.TagReportData[i].EPCParameter[0])).EPC.ToHexString();
}
else
{
epc = ((PARAM_EPCData)(msg.TagReportData[i].EPCParameter[0])).EPC.ToHexString();
}
int antennaId = msg.TagReportData[i].AntennaID.AntennaID;
int channelIndex = 0;//msg.TagReportData[i].ChannelIndex.ChannelIndex;
int inventoryParameterSpecID = msg.TagReportData[i].InventoryParameterSpecID.InventoryParameterSpecID;
long time = (long)msg.TagReportData[i].FirstSeenTimestampUTC.Microseconds;
int phase = 0;
int rssi = 0;
int doppler = 0;
// just write out the EPC as a hex string for now. It is guaranteed to be
// in all LLRP reports regardless of default configuration
if (msg.TagReportData[i].AccessCommandOpSpecResult.Count != 0)
{
PARAM_C1G2WriteOpSpecResult result =
(PARAM_C1G2WriteOpSpecResult)
msg.TagReportData[i].AccessCommandOpSpecResult[0];
Console.WriteLine(result.NumWordsWritten +
" words written to tag with EPC = " + epc);
}
// check for other Impinj Specific tag data and print it out
if (msg.TagReportData[i].Custom != null)
{
for (int x = 0; x < msg.TagReportData[i].Custom.Count; x++)
{
if (msg.TagReportData[i].Custom[x].GetType() ==
typeof(PARAM_ImpinjSerializedTID))
{
PARAM_ImpinjSerializedTID stid =
(PARAM_ImpinjSerializedTID)msg.TagReportData[i].Custom[x];
}
if (msg.TagReportData[i].Custom[x].GetType() ==
typeof(PARAM_ImpinjPeakRSSI))
{
PARAM_ImpinjPeakRSSI Prssi =
(PARAM_ImpinjPeakRSSI)msg.TagReportData[i].Custom[x];
rssi = Prssi.RSSI;
}
if (msg.TagReportData[i].Custom[x].GetType() ==
typeof(PARAM_ImpinjRFDopplerFrequency))
{
PARAM_ImpinjRFDopplerFrequency DopplerFrequency =
(PARAM_ImpinjRFDopplerFrequency)msg.TagReportData[i].Custom[x];
doppler = DopplerFrequency.DopplerFrequency;
}
if (msg.TagReportData[i].Custom[x].GetType() ==
typeof(PARAM_ImpinjRFPhaseAngle))
{
PARAM_ImpinjRFPhaseAngle RFPhaseAngle =
(PARAM_ImpinjRFPhaseAngle)msg.TagReportData[i].Custom[x];
phase = RFPhaseAngle.PhaseAngle;
}
}
}
listener.tagReport(epc, antennaId, channelIndex, doppler, rssi, phase, time, inventoryParameterSpecID);
tagMessageList.Add(epc + " " + time);
// Console.WriteLine(epc);
}
}
// Simple Handler for receiving the tag reports from the reader
static void reader_OnRoAccessReportReceived(MSG_RO_ACCESS_REPORT msg)
{
// Report could be empty
if (msg.TagReportData != null)
{
// Loop through and print out each tag
for (int i = 0; i < msg.TagReportData.Length; i++)
{
reportCount++;
// just write out the EPC as a hex string for now. It is guaranteed to be
// in all LLRP reports regardless of default configuration
string data = "EPC: ";
string velData;
if (msg.TagReportData[i].EPCParameter[0].GetType() == typeof(PARAM_EPC_96))
{
currentEpcData = ((PARAM_EPC_96)(msg.TagReportData[i].EPCParameter[0])).EPC.ToHexString();
data += currentEpcData;
}
else
{
currentEpcData = ((PARAM_EPCData)(msg.TagReportData[i].EPCParameter[0])).EPC.ToHexString();
data += currentEpcData;
}
velData = data;
// collect some data for velocity calcs
// NOTE: these could be NULL, so we shoudl check
if (msg.TagReportData[i].AntennaID != null)
{
currentAntennaID = msg.TagReportData[i].AntennaID.AntennaID;
data += " ant: " + currentAntennaID.ToString();
}
if (msg.TagReportData[i].ChannelIndex != null)
{
currentChannelIndex = msg.TagReportData[i].ChannelIndex.ChannelIndex;
data += " ch: " + currentChannelIndex.ToString();
}
if (msg.TagReportData[i].FirstSeenTimestampUTC != null)
{
currentReadTime = msg.TagReportData[i].FirstSeenTimestampUTC.Microseconds;
data += " time: " + currentReadTime.ToString();
}
if (msg.TagReportData[i].Custom != null)
{
for (int x = 0; x < msg.TagReportData[i].Custom.Length; x++)
{
// try to make a tag direction report out of it
if (msg.TagReportData[i].Custom[x].GetType() == typeof(PARAM_ImpinjRFPhaseAngle))
{
PARAM_ImpinjRFPhaseAngle rfPhase = (PARAM_ImpinjRFPhaseAngle)msg.TagReportData[i].Custom[x];
currentRfPhase = rfPhase.PhaseAngle;
data += " Phase: " + currentRfPhase.ToString();
}
}
}
// estimate the velocity and print a filtered version
double velocity;
if (calculateVelocity(out velocity))
{
directionCount++;
/* keep a filtered value. Use a 1 pole IIR here for simplicity */
filteredVelocity = (6 * filteredVelocity + 4 * velocity) / 10.0;
if (filteredVelocity > 0.25)
{
velData += "---->";
}
else if (filteredVelocity < -0.25)
{
velData += "<----";
}
else
{
velData += " ";
}
velData += " Velocity: " + filteredVelocity.ToString("F2");
}
//Console.WriteLine(data);
Console.WriteLine(velData);
}
}
}