crewID/libnfc
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less structs and defines publicly exposed

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- nfc_device is now an opaque type;
 - PN53x specific errors are not public anymore;
 - nfc_device_name() renamed to nfc_device_get_name() for the sake of consistency;
 - examples/*, utils/* uses the new nfc_device_get_name() function instead of access directly to struct's content;
 - new error defined: NFC_ERFTRANS for notifying about RF transmission error, its used by mifare.c to detect permissions error on mifare;
 - drivers initiator_transceive_bytes() function now returns libnfc's error code on failure (<0), and received bytes count on success (>=0);
 - remove some unused errors.
This commit is contained in:
Romuald Conty 2011-12-19 00:23:21 +00:00
parent 9bdc20353c
commit bf7c36d9bb
29 changed files with 162 additions and 178 deletions
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14
utils/mifare.c
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@ -94,28 +94,32 @@ nfc_initiator_mifare_cmd (nfc_device *pnd, const mifare_cmd mc, const uint8_t ui
if (szParamLen)
memcpy (abtCmd + 2, (uint8_t *) pmp, szParamLen);
bEasyFraming = pnd->bEasyFraming;
// FIXME: Save and restore bEasyFraming
// bEasyFraming = nfc_device_get_property_bool (pnd, NP_EASY_FRAMING, &bEasyFraming);
if (nfc_device_set_property_bool (pnd, NP_EASY_FRAMING, true) < 0) {
nfc_perror (pnd, "nfc_device_set_property_bool");
return false;
}
// Fire the mifare command
if (!nfc_initiator_transceive_bytes (pnd, abtCmd, 2 + szParamLen, abtRx, &szRx, 0)) {
if (pnd->iLastError == EINVRXFRAM) {
// "Invalid received frame" AKA EINVRXFRAM, usual means we are
int res;
if ((res = nfc_initiator_transceive_bytes (pnd, abtCmd, 2 + szParamLen, abtRx, &szRx, -1)) < 0) {
if (res == NFC_ERFTRANS) {
// "Invalid received frame", usual means we are
// authenticated on a sector but the requested MIFARE cmd (read, write)
// is not permitted by current acces bytes;
// So there is nothing to do here.
} else {
nfc_perror (pnd, "nfc_initiator_transceive_bytes");
}
nfc_device_set_property_bool (pnd, NP_EASY_FRAMING, bEasyFraming);
// XXX nfc_device_set_property_bool (pnd, NP_EASY_FRAMING, bEasyFraming);
return false;
}
/* XXX
if (nfc_device_set_property_bool (pnd, NP_EASY_FRAMING, bEasyFraming) < 0) {
nfc_perror (pnd, "nfc_device_set_property_bool");
return false;
}
*/
// When we have executed a read command, copy the received bytes into the param
if (mc == MC_READ) {