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nfc_initiator_target_is_present(): Support Jewel

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This commit is contained in:
Philippe Teuwen 2014-02-03 00:24:23 +01:00
parent ef81f06344
commit 7254e1b2ea
1 changed files with 22 additions and 0 deletions
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22
libnfc/chips/pn53x.c
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@ -1797,6 +1797,26 @@ static int pn53x_ISO14443A_4_is_present(struct nfc_device *pnd)
return ret;
}
static int pn53x_ISO14443A_Jewel_is_present(struct nfc_device *pnd)
{
int ret;
log_put(LOG_GROUP, LOG_CATEGORY, NFC_LOG_PRIORITY_DEBUG, "%s", "target_is_present(): Ping Jewel");
uint8_t abtCmd[1] = {0x78};
int failures = 0;
while (failures < 2) {
if ((ret = nfc_initiator_transceive_bytes(pnd, abtCmd, sizeof(abtCmd), NULL, 0, -1)) < 1) {
if ((ret == NFC_ERFTRANS) && (CHIP_DATA(pnd)->last_status_byte == 0x01)) { // Timeout
return NFC_ETGRELEASED;
} else { // Other errors can appear when card is tired-off, let's try again
failures++;
}
} else {
return NFC_SUCCESS;
}
}
return ret;
}
static int pn53x_ISO14443A_MFUL_is_present(struct nfc_device *pnd)
{
int ret;
@ -1957,6 +1977,8 @@ pn53x_initiator_target_is_present(struct nfc_device *pnd, const nfc_target *pnt)
ret = pn53x_ISO14443B_4_is_present(pnd);
break;
case NMT_JEWEL:
ret = pn53x_ISO14443A_Jewel_is_present(pnd);
break;
case NMT_ISO14443BI:
case NMT_ISO14443B2SR:
case NMT_ISO14443B2CT: