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/* UNFINISHED TI Tag-it implementation, PCD side.
*
* (C) 2005-2008 by Harald Welte <laforge@gnumonks.org>
*
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <librfid/rfid.h>
#include <librfid/rfid_protocol.h>
#include <librfid/rfid_layer2.h>
#include <librfid/rfid_layer2_iso15693.h>
#include <librfid/rfid_protocol_tagit.h>
struct tagit_version {
u_int8_t version; /* bit 47..40 (last bit masked) of uid */
const char *name;
};
const struct tagit_version tagit_versions[] = {
{
.version = 0x00,
.name = "HF-I Plus Inlay",
}, {
.version = 0x80,
.name = "HF-I Plus Chip",
}, {
.version = 0xc0,
.name = "HF-I Standard Chip / Inlay",
}, {
.version = 0xc4,
.name = "HF-I Pro Chip / Inlay",
},
};
static int
tagit_read(struct rfid_protocol_handle *ph, unsigned int page,
unsigned char *rx_data, unsigned int *rx_len)
{
unsigned char rx_buf[16];
unsigned int real_rx_len = sizeof(rx_buf);
unsigned char tx[2];
int ret;
/* FIXME */
return -EINVAL;
}
static int
tagit_write(struct rfid_protocol_handle *ph, unsigned int page,
unsigned char *tx_data, unsigned int tx_len)
{
unsigned int i;
unsigned char tx[6];
unsigned char rx[10];
unsigned int rx_len = sizeof(rx);
int ret;
return -EINVAL;
}
static int
tagit_getopt(struct rfid_protocol_handle *ph, int optname, void *optval,
unsigned int *optlen)
{
int ret = -EINVAL;
unsigned int *size = optval;
switch (optname) {
case RFID_OPT_PROTO_SIZE:
ret = 0;
/* we have to return the size in bytes, not bits */
/* FIXME: implement this */
*size = 12345;
break;
}
return ret;
}
static struct rfid_protocol_handle *
tagit_init(struct rfid_layer2_handle *l2h)
{
struct rfid_protocol_handle *ph;
u_int8_t uid[6];
unsigned int uid_len = sizeof(uid);
if (l2h->l2->id != RFID_LAYER2_ISO15693)
return NULL;
/* According to "SCBU002 - November 2005 */
rfid_layer2_getopt(l2h, RFID_OPT_LAYER2_UID,
uid, &uid_len);
if (uid[5] != 0xe0 || uid[4] != 0x07)
return NULL;
if (l2h->uid_len != 6)
return NULL;
ph = malloc_protocol_handle(sizeof(struct rfid_protocol_handle));
return ph;
}
static int tagit_fini(struct rfid_protocol_handle *ph)
{
free_protocol_handle(ph);
return 0;
}
const struct rfid_protocol rfid_protocol_tagit = {
.id = RFID_PROTOCOL_TAGIT,
.name = "TI Tag-it HF",
.fn = {
.init = &tagit_init,
.read = &tagit_read,
.write = &tagit_write,
.fini = &tagit_fini,
.getopt = &tagit_getopt,
},
};
/* Functions below are not (yet? covered in the generic librfid api */
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