iso14443_cascade_uid(byte[] abtUID, int szUID, ref byte[] pbtCascadedUID, out int pszCascadedUID)
{
switch (szUID)
{
case 7:
pbtCascadedUID[0] = 0x88;
MiscTool.memcpy(pbtCascadedUID, 1, abtUID, 0, 7);
pszCascadedUID = 8;
break;
case 10:
pbtCascadedUID[0] = 0x88;
MiscTool.memcpy(pbtCascadedUID, 1, abtUID, 0, 3);
pbtCascadedUID[4] = 0x88;
MiscTool.memcpy(pbtCascadedUID, 5, abtUID, 3, 7);
pszCascadedUID = 12;
break;
case 4:
default:
MiscTool.memcpy(pbtCascadedUID, 0, abtUID, 0, szUID);
pszCascadedUID = szUID;
break;
}
}
iso14443a_locate_historical_bytes(byte[] pbtAts, int szAts, out int pszTk)
{
if (szAts != 0)
{
int offset = 1;
if (0 != (pbtAts[0] & 0x10))
{ // TA
offset++;
}
if (0 != (pbtAts[0] & 0x20))
{ // TB
offset++;
}
if (0 != (pbtAts[0] & 0x40))
{ // TC
offset++;
}
if (szAts > offset)
{
pszTk = (szAts - offset);
return(MiscTool.SubBytes(pbtAts, offset));
}
}
pszTk = 0;
return(null);
}
public static int nfc_initiator_list_passive_targets(nfc_device pnd, nfc_modulation nm, ref nfc_target[] ant /*, int szTargets*/)
{
nfc_target nt = new nfc_target();
int szTargetFound = 0;
byte[] pbtInitData = null;
//int szInitDataLen = 0;
int res = 0;
pnd.last_error = 0;
// Let the reader only try once to find a tag
bool bInfiniteSelect = pnd.bInfiniteSelect;
if ((res = nfc_device_set_property_bool(pnd, nfc_property.NP_INFINITE_SELECT, false)) < 0)
{
return(res);
}
pbtInitData = prepare_initiator_data(nm);
//szInitDataLen = pbtInitData.Length;
while (nfc_initiator_select_passive_target(pnd, nm, pbtInitData, pbtInitData.Length, /*out*/ nt) > 0)
{
int i;
bool seen = false;
// Check if we've already seen this tag
for (i = 0; i < szTargetFound; i++)
{
if (MiscTool.CompareType <nfc_target>(ant[i], nt))
{
seen = true;
}
}
if (seen)
{
break;
}
ant[szTargetFound] = nt;
szTargetFound++;
if (ant.Length == szTargetFound)
{
break;
}
nfc_initiator_deselect_target(pnd);
// deselect has no effect on FeliCa and Jewel cards so we'll stop after one...
// ISO/IEC 14443 B' cards are polled at 100% probability so it's not possible to detect correctly two cards at the same time
if ((nm.nmt == nfc_modulation_type.NMT_FELICA) ||
(nm.nmt == nfc_modulation_type.NMT_JEWEL) ||
(nm.nmt == nfc_modulation_type.NMT_ISO14443BI) ||
(nm.nmt == nfc_modulation_type.NMT_ISO14443B2SR) ||
(nm.nmt == nfc_modulation_type.NMT_ISO14443B2CT))
{
break;
}
}
if (bInfiniteSelect)
{
if ((res = nfc_device_set_property_bool(pnd, nfc_property.NP_INFINITE_SELECT, true)) < 0)
{
return(res);
}
}
return(szTargetFound);
}