I tried to read the content but selecting the type of memory I get an error code q I use is the following, kick demos Example 6 sdk
private TagAccess.Sequence.Operation _Op;
public void readMemBank(bool access)
{
_Op = new TagAccess.Sequence.Operation();
_Op.AccessOperationCode = ACCESS_OPERATION_CODE.ACCESS_OPERATION_READ;
_Op.ReadAccessParams.MemoryBank = MEMORY_BANK.MEMORY_BANK_RESERVED;
_Op.ReadAccessParams.ByteCount = 0;
_Op.ReadAccessParams.ByteOffset = 0;
_Op.ReadAccessParams.AccessPassword = 0;
m_ReaderAPI.Actions.TagAccess.OperationSequence.DeleteAll();
if (access)
m_ReaderAPI.Actions.TagAccess.OperationSequence.Add(_Op); //this is the problem
}
The message says:
InvalidUsageException: PerformSequence Invalid parameter given.
and if I do not select the type of memory works perfectly
anyone has any idea how to solve this problem ??
thanks for your help
Look my solution
Public Sub Read_label(ByVal text As String)
If text = "Read" Then
Try
Dim op As TagAccess.Sequence.Operation = New TagAccess.Sequence.Operation()
op.AccessOperationCode = ACCESS_OPERATION_CODE.ACCESS_OPERATION_READ
op.ReadAccessParams.MemoryBank = MEMORY_BANK.MEMORY_BANK_USER
op.ReadAccessParams.ByteCount = 0
op.ReadAccessParams.ByteOffset = 0
op.ReadAccessParams.AccessPassword = 0
'op.ReadAccessParams.AccessPassword = m_ReadForm.m_ReadParams.AccessPassword
m_ReaderAPI.Actions.TagAccess.OperationSequence.Add(op)
'm_TriggerInfo = New TriggerInfo
'm_TriggerInfo.StartTrigger.Type = START_TRIGGER_TYPE.START_TRIGGER_TYPE_IMMEDIATE
'm_TriggerInfo.StartTrigger.Handheld.HandheldEvent = HANDHELD_TRIGGER_EVENT_TYPE.HANDHELD_TRIGGER_PRESSED
'm_TriggerInfo.StopTrigger.Type = STOP_TRIGGER_TYPE.STOP_TRIGGER_TYPE_IMMEDIATE
'm_TriggerInfo.StopTrigger.Handheld.HandheldEvent = HANDHELD_TRIGGER_EVENT_TYPE.HANDHELD_TRIGGER_RELEASED
'm_TriggerInfo.StopTrigger.Handheld.Timeout = 0
' VALORES ORIGINALES
m_TriggerInfo = New TriggerInfo
m_TriggerInfo.StartTrigger.Type = START_TRIGGER_TYPE.START_TRIGGER_TYPE_HANDHELD
m_TriggerInfo.StartTrigger.Handheld.HandheldEvent = HANDHELD_TRIGGER_EVENT_TYPE.HANDHELD_TRIGGER_PRESSED
m_TriggerInfo.StopTrigger.Type = STOP_TRIGGER_TYPE.STOP_TRIGGER_TYPE_HANDHELD_WITH_TIMEOUT
m_TriggerInfo.StopTrigger.Handheld.HandheldEvent = HANDHELD_TRIGGER_EVENT_TYPE.HANDHELD_TRIGGER_RELEASED
m_TriggerInfo.StopTrigger.Handheld.Timeout = 0
'UNCOMMENT IF WE NEED TO READ THE TAG JUST ONCE
'myTriggerInfo.TagEventReportInfo.ReportNewTagEvent = TAG_EVENT_REPORT_TRIGGER.IMMEDIATE;
'myTriggerInfo.TagEventReportInfo.ReportTagInvisibleEvent = TAG_EVENT_REPORT_TRIGGER.NEVER;
'myTriggerInfo.TagEventReportInfo.ReportTagBackToVisibilityEvent = TAG_EVENT_REPORT_TRIGGER.NEVER;
m_AntennaInfo = New AntennaInfo
Dim antennaId() As System.UInt16 = New System.UInt16((1) - 1) {}
antennaId(0) = 1
'antennaId[1] = 2;
m_AntennaInfo.AntennaID = antennaId
Dim powerLevels() As Integer = m_ReaderAPI.ReaderCapabilities.TransmitPowerLevelValues
m_AntennaConfig = New Antennas.Config
m_AntennaConfig.TransmitPowerIndex = 250
m_AntennaConfig.ReceiveSensitivityIndex = 0
m_AntennaConfig.TransmitFrequencyIndex = 1
m_ReaderAPI.Config.Antennas(1).SetConfig(m_AntennaConfig)
If m_ReaderAPI.Actions.TagAccess.OperationSequence.Length > 0 Then
m_ReaderAPI.Actions.TagAccess.OperationSequence.PerformSequence(Nothing, m_TriggerInfo, m_AntennaInfo)
Else
m_ReaderAPI.Actions.Inventory.Perform(Nothing, m_TriggerInfo, m_AntennaInfo)
End If
mconnect.Enabled = False
mRead.Text = "Stop"
Catch ofe As OperationFailureException
MessageBox.Show(ofe.Message)
Catch iue As InvalidUsageException
MessageBox.Show((iue.Info + (";" + iue.Message)))
Catch ex As Exception
MessageBox.Show(ex.Message)
End Try
ElseIf (text = "Stop") Then
Try
If m_ReaderAPI.Actions.TagAccess.OperationSequence.Length > 0 Then
m_ReaderAPI.Actions.TagAccess.OperationSequence.StopSequence()
Else
m_ReaderAPI.Actions.Inventory.Stop()
End If
mconnect.Enabled = True
mRead.Text = "Read"
Catch ofe As OperationFailureException
MessageBox.Show(ofe.Message)
Catch ex As Exception
MessageBox.Show(ex.Message)
End Try
End If
End Sub
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