/// <summary>
/// Handles the SelectedTagChanged event of the nxpTagListView control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void nxpTagListView_SelectedTagChanged(object sender, EventArgs e)
{
// Update tag list
NurApi.Tag selectedTag = nxpTagListView.SelectedTag;
if (selectedTag != null)
{
// Get EPC from selection
byte[] targetEPC = selectedTag.epc;
// Fill TargerTag fied
targetEpcTextBox.Text = NurApi.BinToHexString(targetEPC);
try
{
// Read NXP configuration word
byte[] confWord = hNur.ReadSingulatedTag(0, false, NurApi.BANK_EPC, 32, selectedTag.epc, NurApi.BANK_EPC, 0x200 / 16, 2);
configurationLabel.Text = "0x" + NurApi.BinToHexString(confWord);
}
catch (NurApiException)
{
configurationLabel.Text = "???";
}
}
// Update button(s)
UpdateButtons();
}
/// <summary>
/// Handles the SelectedTagChanged event of the nxpTagListView control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void nxpTagListView_SelectedTagChanged(object sender, EventArgs e)
{
// Update tag list
NurApi.Tag selectedTag = nxpTagListView.SelectedTag;
if (selectedTag != null)
{
// Get EPC from selection
byte[] targetEPC = selectedTag.epc;
try
{
// Get Access password from selected tag
uint accessPassword = hNur.GetAccessPassword(0, false, NurApi.BANK_EPC, 32, targetEPC.Length * 8, targetEPC);
// Fill Access password fied
byte[] accPwdBytes = Utils.ConvertToBigEndiaBytes(accessPassword);
accessPasswordTextBox.Text = NurApi.BinToHexString(accPwdBytes);
}
catch (Exception)
{
accessPasswordTextBox.Text = "unknown";
}
// Fill TargerTag fied
targetEpcTextBox.Text = NurApi.BinToHexString(targetEPC);
}
// Update button(s)
UpdateButtons();
}
/// <summary>
/// Handles the SelectedTagChanged event of the writeTagListView control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void writeTagListView_SelectedTagChanged(object sender, EventArgs e)
{
NurApi.Tag selectedTag = writeTagListView.SelectedTag;
if (selectedTag != null)
{
SetTargetTag(NurApi.BANK_EPC, 32, selectedTag.epc);
}
}
private void tagListBox_SelectedTagChanged(object sender, EventArgs e)
{
NurApi.Tag tag = tagListBox.SelectedTag;
if (tag != null)
{
InitFilter(tag.GetEpcString());
}
}
public TagItem(NurApi.Tag tag)
{
this.Tag = tag;
this.TagViewItem = new ListViewItem(new string[] {
tag.rssi.ToString(),
tag.GetEpcString()
});
this.TagViewItem.Tag = this;
}
/// <summary>
/// Constructor that takes in NurApi and a NurApi.Tag object.
/// </summary>
/// <param name="hApi">A valid, connected NurApi object.</param>
/// <param name="tag">A tag object that is either built by the application or received though an inventory.</param>
/// <remarks><para>This constructor also creates the BIN arrays.</para></remarks>
/// <remarks><para>BIN high limits: <seealso cref="BINHLIMIT"/></para></remarks>
/// <remarks><para>BIN sample times: <seealso cref="BINSAMPLETIME"/></para></remarks>
/// <remarks><para>BIN thresholds: <seealso cref="BINTHRESHOLD"/></para></remarks>
/// <remarks><para>BIN counters: <seealso cref="BINCOUNTER"/></para></remarks>
public RT0005Tag(NurApi hApi, NurApi.Tag tag)
: base(tag)
{
base.hApi = hApi;
BINLimit = new BINHLIMIT(this);
BINSampleTime = new BINSAMPLETIME(this);
BINThreshold = new BINTHRESHOLD(this);
BINCounter = new BINCOUNTER(this);
}
private void readTag_Button_Click(object sender, EventArgs e)
{
NurApi.Tag tag = null;
int usedTxLevel;
if (NurUtils.SearchNearestTag(hNur, true, out tag, out usedTxLevel) > 0)
{
InitFilter(tag.GetEpcString());
}
}
public TagItem(NurApi.Tag tag)
{
this.Tag = tag;
this.TagViewItem = new ListViewItem(new string[] {
tag.rssi.ToString(),
tag.GetEpcString(),
tag.irData != null ? NurApi.BinToHexString(tag.irData) : "-"
});
this.TagViewItem.Tag = this;
}
/// <summary>
/// Handles the SelectedTagChanged event of the tagListView control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void tagListView_SelectedTagChanged(object sender, EventArgs e)
{
NurApi.Tag selectedTag = tagListView.SelectedTag;
if (selectedTag != null)
{
// Unselect preset list.
presetListBox.SelectedIndex = -1;
// Set EPC to target.
bankCB.SelectedIndex = NurApi.BANK_EPC;
startUD.Value = 32;
tagToLocate.Text = selectedTag.GetEpcString();
lengthUD.Value = tagToLocate.Text.Length * 4;
}
}
public bool InitTag(long uidTarget)
{
try
{
hNur.ClearTags();
NurApi.InventoryResponse response; //Information about inventory store here
response = hNur.SimpleInventory(); //Make Inventory..
NurApi.TagStorage inv = hNur.FetchTags(true);
NurApi.Tag tag = null;
if (response.numTagsFound > 1)
{
throw new Exception("more than one tag found in the antena writing EPC");
}
tag = inv[0];
byte[] uid = convertLongToByteArray(uidTarget, 6);
byte[] EPC = new byte[EPCbyteCount];
Array.Copy(uid, 0, EPC, 0, 6);
tag.WriteTag(0, false, EPCbank, 2, EPC);
hNur.ClearTags();
response = hNur.SimpleInventory(); //Make Inventory..
inv = hNur.FetchTags(true);
tag = null;
if (response.numTagsFound > 1)
{
throw new Exception("more than one tag found in the antena writing userdata");
}
tag = inv[0];
byte[] USERDATA = new byte[USERbyteCount];
USERDATA[0] = (byte)(USERDATA[0]);
tag.WriteTag(0, false, USERbank, 0, USERDATA);
return(true);
}
catch (Exception ex)
{
_Error = "Error initializing RFID tag " + ex.Message;
return(false);
}
}
/// <summary>
/// Constructor v1.
/// </summary>
/// <param name="tag">A tag object that is received e.g. from an inventory.</param>
public EM4325Tag(NurApi.Tag tag) : base(tag)
{
ushort pc = tag.pc;
int checkLen;
hNur = tag.hApi;
/* Check for XPC presence. */
checkLen = (pc >> 11) - 1;
checkLen *= 2;
if ((checkLen != tag.epc.Length) && (pc & 0x0200) != 0)
{
int newLen;
hNur.ULog("Fixing EPC " + tag.GetEpcString() + " (len = " + tag.epc.Length + ", checkLen = " + checkLen + ", PC = 0x" + tag.pc.ToString("X4") + ").");
newLen = tag.epc.Length - 2;
pc >>= 11;
pc--;
pc &= 0x1F;
pc <<= 11;
tag.pc |= pc;
mEPC = new byte[newLen];
System.Array.Copy(tag.epc, 2, mEPC, 0, newLen);
base.epc = new byte[newLen];
System.Array.Copy(mEPC, 0, base.epc, 0, newLen);
hNur.ULog("Fixed EPC = " + base.GetEpcString() + ".");
}
else
{
mEPC = new byte[tag.epc.Length];
System.Array.Copy(tag.epc, mEPC, mEPC.Length);
}
}
private void ScanTagThread()
{
int i;
NurApi.TriggerReadData trg;
bool tagFound = false;
byte[] testData;
NurApi.Tag tag;
int epcLength = 0;
byte[] epc = null;
mTag = null;
for (i = 0; i < SCAN_ROUNDS && !mInterrupted && !tagFound; i++)
{
tagFound = false;
ControlText(StatusText, "Scan: " + (i + 1).ToString() + " / " + SCAN_ROUNDS);
try
{
trg = hNur.ScanSingle(SCANTIME);
epcLength = trg.epcLen;
epc = new byte[epcLength];
System.Array.Copy(trg.epc, epc, epcLength);
tagFound = true;
}
catch (NurApiException e)
{
if (e.error == NurApiErrors.NUR_ERROR_TR_NOT_CONNECTED)
{
mBusy = false;
return;
}
}
if (tagFound)
{
try
{
tag = new NurApi.Tag(hNur);
tag.epc = new byte[epcLength];
System.Array.Copy(epc, tag.epc, epcLength);
testData = hNur.ReadTag(mPassword, mSecured, NurApi.BANK_PASSWD, RTConst.PASSWD_EXTRA_ADDR, RTConst.NR_PASSWD_EXTRA_BYTES);
mTag = new RT0005Tag(hNur, tag);
mBusy = false;
mInterrupted = false;
ControlText(StatusText, "Tag found, ready.");
mBusy = false;
BeginInvoke(mTagFoundDelegate);
}
catch
{
tagFound = false;
}
}
}
if (!tagFound)
{
ControlText(StatusText, "No tag found.");
}
mBusy = false;
mInterrupted = false;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="tag">The NurApi.tag class, <see cref="NurApi.Tag"/></param>
public SL900ATag(NurApi.Tag tag) : base(tag)
{
hLocalApi = tag.hApi;
}
private void DoGetTags()
{
if (!hNur.IsConnected())
{
AddLog("Connection required.");
return;
}
CurrentTag = null;
AllTags.Clear();
TagListView.Items.Clear();
TagLabel.Text = "---";
try
{
ResetToA();
hNur.ClearTagsEx();
NurApi.InventoryExParams invParam;
NurApi.InventoryExFilter[] invFilters;
// Disable EPC+DATA mode
hNur.InventoryReadCtl = false;
// Configure InventoryExParams for Temperature read
invParam.inventorySelState = NurApi.SELSTATE_SL;
invParam.inventoryTarget = NurApi.INVTARGET_A;
invParam.Q = hNur.InventoryQ;
invParam.rounds = hNur.InventoryRounds;
invParam.session = NurApi.SESSION_S0;
invParam.transitTime = 0; // Disable
// Configure InventoryExFilter
invFilters = new NurApi.InventoryExFilter[1];
invFilters[0].action = NurApi.FACTION_0;
invFilters[0].address = 0;
invFilters[0].bank = NurApi.BANK_TID;
invFilters[0].maskData = new byte[] { 0xE2, 0x80, 0xB0, 0x40 };
invFilters[0].maskBitLength = (invFilters[0].maskData.Length * 8) - 4;
invFilters[0].target = NurApi.SESSION_SL;
invFilters[0].truncate = false;
// Read
NurApi.InventoryResponse resp = hNur.InventoryEx(ref invParam, invFilters);
// Fetch tags from the module
NurApi.TagStorage tagStorage = hNur.FetchTags(true);
for (int i = 0; i < tagStorage.Count; i++)
{
NurApi.Tag tag = tagStorage[i];
AllTags.Add(new EM4325Tag(tag));
ListViewItem lvi = new ListViewItem(tag.GetEpcString());
lvi.SubItems.Add(tag.rssi.ToString());
lvi.SubItems.Add(tag.antennaId.ToString());
TagListView.Items.Add(lvi);
}
columnHeader_EPC.Width = -2;
columnHeader_RSSI.Width = -2;
columnHeader_AntID.Width = -2;
}
catch (Exception ex)
{
AddLog("Inventory error.");
AddLog("Message: " + ex.Message);
}
}
void FindThread()
{
int scanRound;
bool possiblyFound;
NurApi.TriggerReadData rd;
byte[] epc;
NurApi.Tag theTag;
byte[] testData;
int startTime, execTime;
startTime = 0;
possiblyFound = false;
mTag = null;
execTime = 0;
epc = null;
mAsyncUpdate = false;
ControlState(TagLabel, STATE_RUN, "Scanning...");
ControlEnable(ScanBtn, false);
ControlEnable(AntennaBtn, false);
HandleBinStateGroup(true, NO_TAG, NOT_LOGGING);
mAsyncUpdate = true;
ProgressInit(ScanProgress, 0, mTryCount, 1);
for (scanRound = 0; scanRound < mTryCount && !possiblyFound; scanRound++)
{
ProgressStep(ScanProgress);
try
{
startTime = System.Environment.TickCount;
rd = hNur.ScanSingle(500);
execTime = System.Environment.TickCount - startTime;
epc = new byte[rd.epcLen];
System.Array.Copy(rd.epc, epc, rd.epcLen);
ControlState(TagLabel, STATE_RUN, "Verify...");
testData = hNur.ReadTagByEPC(mPassword, mSecured, epc, NurApi.BANK_PASSWD, RTConst.PASSWD_EXTRA_ADDR, RTConst.NR_PASSWD_EXTRA_BYTES);
/* Guess that this is OK tag. */
possiblyFound = (testData != null && testData.Length == RTConst.NR_PASSWD_EXTRA_BYTES);
if (possiblyFound)
{
theTag = new NurApi.Tag();
theTag.hApi = hNur;
theTag.epc = new byte[rd.epcLen];
System.Array.Copy(rd.epc, theTag.epc, rd.epcLen);
theTag.antennaId = (byte)rd.antennaID;
theTag.channel = 0;
theTag.frequency = 0; // Huh.
mTag = new RT0005Tag(hNur, theTag);
mTag.ProgressEvent += new EventHandler <RTProgressEvent>(mTag_ProgressEvent);
}
}
catch (Exception e)
{
if (e is NurApiException && ((NurApiException)e).error == NurApiErrors.NUR_ERROR_TR_NOT_CONNECTED)
{
break;
}
if (execTime < 500)
{
System.Threading.Thread.Sleep(500 - execTime);
}
ControlState(TagLabel, STATE_RUN, "Scanning...");
}
}
while (scanRound < mTryCount)
{
scanRound++;
ProgressStep(ScanProgress);
}
mBusy = false;
ControlEnable(ScanBtn, hNur.IsConnected());
ControlEnable(AntennaBtn, hNur.IsConnected());
ProgressInit(ScanProgress, 0, mTryCount, 1);
mScanThread = null;
TempTagReady(possiblyFound, epc);
}
/// <summary>
/// Searches the nearest tag.
/// </summary>
/// <param name="hNur">The NurApi header.</param>
/// <param name="autoTxLevel">if set to <c>true</c> [use auto tx level].</param>
/// <param name="tag">reference for the nearest tag</param>
/// <param name="usedTxLevel">reference for the used TxLevel.</param>
/// <returns>
/// The number of found tags.
/// </returns>
public static int SearchNearestTag(NurApi hNur, bool autoTxLevel, out NurApi.Tag tag, out int usedTxLevel)
{
// Set the used TxLevel
usedTxLevel = hNur.TxLevel;
// Clear previously inventoried tags from memory
hNur.ClearTags();
NurApi.TagStorage inventoriedTags = null;
if (autoTxLevel)
{
// Backup TX Level
int backupTxLevel = hNur.TxLevel;
// Search Tags with auto TX Level
for (int tx = MIN_TX_LEVEL; tx >= MAX_TX_LEVEL; tx--)
{
// Set TX Level
hNur.TxLevel = tx;
// Set the used TxLevel
usedTxLevel = tx;
// Perform simple inventory
NurApi.InventoryResponse ir = hNur.SimpleInventory();
// Did we find any Tag
if (ir.numTagsMem > 0)
{
// Yes we did
break;
}
}
// Fetch tags from module, including tag meta
inventoriedTags = hNur.FetchTags(true);
// Restore TX Level
hNur.TxLevel = backupTxLevel;
}
else
{
// Search Tags with fixed TX Level
for (int i = 0; i < RETRIES; i++)
{
// Perform simple inventory
NurApi.InventoryResponse ir = hNur.SimpleInventory();
// Did we find any Tag
if (ir.numTagsMem > 0)
{
// Yes we did
break;
}
}
// Fetch tags from module, including tag meta
inventoriedTags = hNur.FetchTags(true);
}
// Search stongest Tag
tag = null;
int maxRssi = -128;
for (int i = 0; i < inventoriedTags.Count; i++)
{
if (maxRssi < inventoriedTags[i].rssi)
{
maxRssi = inventoriedTags[i].rssi;
tag = inventoriedTags[i];
}
}
// Return number of found tags
return(inventoriedTags.Count);
}
public bool WriteTagByUID(long uidTarget, long NewUID, bool checkOnlyOne, bool writeUserData)
{
long thisTagUID = 0;
int num = 0;
int invIndex = 0;
try
{
hNur.ClearTags();
NurApi.InventoryResponse response; //Information about inventory store here
response = hNur.SimpleInventory(); //Make Inventory..
NurApi.TagStorage inv = hNur.FetchTags(true);
NurApi.Tag tag = null;
if (checkOnlyOne)
{
if (response.numTagsFound > 1)
{
throw new Exception("more than one tag found in the antena");
}
}
for (num = 0; num < inv.Count; num++)
{
tag = inv[num];
byte[] EPCbytes = tag.ReadTag(0, false, EPCbank, 2, EPCbyteCount);
byte[] eUID = new byte[6];
Array.Copy(EPCbytes, 0, eUID, 0, 6);
thisTagUID = convertByteArrayToLong(eUID);
if (thisTagUID == uidTarget)
{
break; // found in the antena
}
}
if (num >= inv.Count)
{
throw new Exception("uidTarget not found in the antena");
}
//Verifica se o inventário já consta o novo UID:
for (invIndex = 0; invIndex < _InventoryInfo.numTagsFound; invIndex++)
{
if (_InventoryInfo.EPCuid[invIndex] == uidTarget || _InventoryInfo.EPCuid[invIndex] == NewUID)
{
break;
}
}
if (invIndex >= _InventoryInfo.numTagsFound)
{
throw new Exception("uidTarget not found in 'inventoryInfo'");
}
// start writing
byte[] EPC = new byte[EPCbyteCount];
Array.Copy(convertLongToByteArray(_InventoryInfo.EPCuid[invIndex], 6), 0, EPC, 0, 6);
Array.Copy(convertLongToByteArray(_InventoryInfo.EPCref[invIndex], 6), 0, EPC, 6, 6);
Array.Copy(convertLongToByteArray(_InventoryInfo.EPCdate[invIndex], 2), 0, EPC, 12, 2);
Array.Copy(convertLongToByteArray(_InventoryInfo.EPCcontrol[invIndex], 2), 0, EPC, 14, 2);
tag.WriteTag(0, false, EPCbank, 2, EPC);
if (writeUserData)
{
hNur.ClearTags();
response = hNur.SimpleInventory(); //Make Inventory..
inv = hNur.FetchTags(true);
tag = null;
if (checkOnlyOne)
{
if (response.numTagsFound > 1)
{
throw new Exception("more than one tag found in the antena");
}
}
for (num = 0; num < inv.Count; num++)
{
tag = inv[num];
byte[] EPCbytes = tag.ReadTag(0, false, EPCbank, 2, EPCbyteCount);
byte[] eUID = new byte[6];
Array.Copy(EPCbytes, 0, eUID, 0, 6);
thisTagUID = convertByteArrayToLong(eUID);
if (thisTagUID == uidTarget)
{
break; // found in the antena
}
}
if (num >= inv.Count)
{
throw new Exception("uidTarget not found in the antena");
}
for (invIndex = 0; invIndex < _InventoryInfo.numTagsFound; invIndex++)
{
if (_InventoryInfo.EPCuid[invIndex] == uidTarget)
{
break; // found in the struct
}
}
if (invIndex >= _InventoryInfo.numTagsFound)
{
throw new Exception("uidTarget not found in 'inventoryInfo'");
}
byte[] USERDATA = new byte[USERbyteCount];
Array.Copy(convertLongToByteArray(_InventoryInfo.USERdata[invIndex], 4), 0, USERDATA, 0, 4);
tag.WriteTag(0, false, USERbank, 0, USERDATA);
}
return(true);
}
catch (Exception ex)
{
_Error = "Error writting in RFID tag " + ex.Message;
return(false);
}
}
