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Add partial support (list) for ISO14443B-3 ST SRx & ASK CTx cards

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This commit is contained in:
Philippe Teuwen 2011-05-06 19:11:03 +00:00
parent 805d738b24
commit d834860965
6 changed files with 137 additions and 13 deletions
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59
libnfc/chips/pn53x.c
View file

@ -383,12 +383,25 @@ pn53x_decode_target_data (const byte_t * pbtRawData, size_t szRawData, pn53x_typ
pnti->nii.btConfig = *(pbtRawData++);
if (pnti->nii.btConfig & 0x40) {
memcpy (pnti->nii.abtAtr, pbtRawData, szRawData - 8);
pbtRawData += szRawData - 6;
pbtRawData += szRawData - 8;
pnti->nii.szAtrLen = szRawData - 8;
}
}
break;
case NMT_ISO14443B3SR:
// Store the UID
memcpy (pnti->nsi.abtUID, pbtRawData, 8);
pbtRawData += 8;
break;
case NMT_ISO14443B3CT:
// Store the unknown data as one blob for now
memcpy (pnti->nci.abtData, pbtRawData, szRawData);
pbtRawData += szRawData;
pnti->nci.szDataLen = szRawData;
break;
case NMT_FELICA:
// We skip the first byte: its the target number (Tg)
pbtRawData++;
@ -639,8 +652,6 @@ pn53x_configure (nfc_device_t * pnd, const nfc_device_option_t ndo, const bool b
return false;
}
// TODO not yet sufficient to setup TypeB, some settings are missing here...
return true;
break;
}
@ -683,10 +694,8 @@ pn53x_initiator_select_passive_target (nfc_device_t * pnd,
byte_t abtTargetsData[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szTargetsData = sizeof(abtTargetsData);
if (nm.nmt == NMT_ISO14443BI) {
if (nm.nmt == NMT_ISO14443BI || nm.nmt == NMT_ISO14443B3SR || nm.nmt == NMT_ISO14443B3CT) {
// No native support in InListPassiveTarget so we do discovery by hand
byte_t abtAttrib[6];
size_t szAttrib = sizeof(abtAttrib);
if (!nfc_configure (pnd, NDO_FORCE_ISO14443_B, true)) {
return false;
}
@ -697,6 +706,23 @@ pn53x_initiator_select_passive_target (nfc_device_t * pnd,
return false;
}
pnd->bEasyFraming = false;
if (nm.nmt == NMT_ISO14443B3SR) {
// Some work to do before getting the UID...
byte_t abtInitiate[]="\x06\x00";
size_t szInitiateLen = 2;
byte_t abtSelect[]="\x0e\x00";
size_t szSelectLen = 2;
byte_t abtRx[1];
size_t szRxLen = 1;
// Getting random Chip_ID
if (!pn53x_initiator_transceive_bytes (pnd, abtInitiate, szInitiateLen, abtRx, &szRxLen)) {
return false;
}
abtSelect[1] = abtRx[0];
if (!pn53x_initiator_transceive_bytes (pnd, abtSelect, szSelectLen, abtRx, &szRxLen)) {
return false;
}
}
if (!pn53x_initiator_transceive_bytes (pnd, pbtInitData, szInitData, abtTargetsData, &szTargetsData)) {
return false;
}
@ -707,10 +733,15 @@ pn53x_initiator_select_passive_target (nfc_device_t * pnd,
return false;
}
}
memcpy(abtAttrib, abtTargetsData, szAttrib);
abtAttrib[1] = 0x0f; // ATTRIB
if (!pn53x_initiator_transceive_bytes (pnd, abtAttrib, szAttrib, NULL, NULL)) {
return false;
if (nm.nmt == NMT_ISO14443BI) {
// Select tag
byte_t abtAttrib[6];
size_t szAttribLen = sizeof(abtAttrib);
memcpy(abtAttrib, abtTargetsData, szAttribLen);
abtAttrib[1] = 0x0f; // ATTRIB
if (!pn53x_initiator_transceive_bytes (pnd, abtAttrib, szAttribLen, NULL, NULL)) {
return false;
}
}
return true;
} // else:
@ -1137,6 +1168,8 @@ pn53x_target_init (nfc_device_t * pnd, nfc_target_t * pnt, byte_t * pbtRx, size_
break;
case NMT_ISO14443B:
case NMT_ISO14443BI:
case NMT_ISO14443B3SR:
case NMT_ISO14443B3CT:
case NMT_JEWEL:
pnd->iLastError = DENOTSUP;
return false;
@ -1237,6 +1270,8 @@ pn53x_target_init (nfc_device_t * pnd, nfc_target_t * pnt, byte_t * pbtRx, size_
break;
case NMT_ISO14443B:
case NMT_ISO14443BI:
case NMT_ISO14443B3SR:
case NMT_ISO14443B3CT:
case NMT_JEWEL:
pnd->iLastError = DENOTSUP;
return false;
@ -2017,6 +2052,8 @@ pn53x_nm_to_pm(const nfc_modulation_t nm)
break;
case NMT_ISO14443BI:
case NMT_ISO14443B3SR:
case NMT_ISO14443B3CT:
case NMT_DEP:
// Nothing to do...
break;
@ -2117,6 +2154,8 @@ pn53x_nm_to_ptt(const nfc_modulation_t nm)
break;
case NMT_ISO14443BI:
case NMT_ISO14443B3SR:
case NMT_ISO14443B3CT:
case NMT_DEP:
// Nothing to do...
break;

16
libnfc/nfc.c
View file

@ -164,7 +164,7 @@ nfc_pick_device (void)
if (!ndr->probe (pndd, 1, &szN)) {
ERR ("%s probe failed", ndr->name);
szN = 0;
szN = 0;
}
if (szN == 0) {
@ -386,6 +386,18 @@ nfc_initiator_list_passive_targets (nfc_device_t * pnd,
szInitDataLen = 4;
}
break;
case NMT_ISO14443B3SR: {
// Get_UID
pbtInitData = (byte_t *) "\x0b";
szInitDataLen = 1;
}
break;
case NMT_ISO14443B3CT: {
// REQT
pbtInitData = (byte_t *) "\x10";
szInitDataLen = 1;
}
break;
case NMT_FELICA: {
// polling payload must be present (see ISO/IEC 18092 11.2.2.5)
pbtInitData = (byte_t *) "\x00\xff\xff\x01\x00";
@ -407,7 +419,7 @@ nfc_initiator_list_passive_targets (nfc_device_t * pnd,
szTargetFound++;
// 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 == NMT_FELICA) || (nm.nmt == NMT_JEWEL) || (nm.nmt == NMT_ISO14443BI)) {
if ((nm.nmt == NMT_FELICA) || (nm.nmt == NMT_JEWEL) || (nm.nmt == NMT_ISO14443BI) || (nm.nmt == NMT_ISO14443B3SR) || (nm.nmt == NMT_ISO14443B3CT)) {
break;
}
}