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/* ISO 15693 anticollision implementation
*
* (C) 2005-2006 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 <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <librfid/rfid.h>
#include <librfid/rfid_layer2.h>
#include <librfid/rfid_reader.h>
#include <librfid/rfid_layer2_iso15693.h>
struct iso15693_request_read {
struct iso15693_request req;
u_int64_t uid;
u_int8_t blocknum;
} __attribute__ ((packed));
#define ISO15693_BLOCK_SIZE_MAX (256/8)
#define ISO15693_RESP_SIZE_MAX (4+ISO15693_BLOCK_SIZE_MAX)
#if 0
static int
iso15693_read_block(struct rfid_layer2_handle *handle,
u_int8_t blocknr, u_int32_t *data)
{
int rc;
struct iso15693_request_read req;
u_int8_t resp[ISO15693_RESP_SIZE_MAX];
req.req.flags = 0;
req.command = ISO15693_CMD_READ_BLOCK_SINGLE;
memcpy(&req.uid, handle->..., ISO15693_UID_LEN);
req.blocknum = blocknr;
/* FIXME: fill CRC if required */
rc = iso15693_transceive(... &req, ..., );
if (rc < 0)
return rc;
memcpy(data, resp+1, rc-1); /* FIXME rc-3 in case of CRC */
return rc-1;
}
static int
iso15693_write_block()
{
struct iso16593_request_read *rreq;
u_int32_t buf[sizeof(req)+ISO15693_BLOCK_SIZE_MAX];
rreq = (struct iso15693_request_read *) req;
rreq->req.flags = ;
rreq->req.command = ISO15693_CMD_WRITE_BLOCK_SINGLE;
memcpy(rreq->uid, handle->, ISO15693_UID_LEN);
rreq->blocknum = blocknr;
memcpy(rreq->);
}
static int
iso15693_lock_block()
{
}
#endif
static int
iso15693_anticol(struct rfid_layer2_handle *handle)
{
return -1;
}
static int
iso15693_getopt(struct rfid_layer2_handle *handle,
int optname, void *optval, unsigned int *optlen)
{
switch (optname) {
case RFID_OPT_15693_MOD_DEPTH:
case RFID_OPT_15693_VCD_CODING:
case RFID_OPT_15693_VICC_SUBC:
case RFID_OPT_15693_VICC_SPEED:
default:
return -EINVAL;
break;
}
return 0;
}
static int
iso15693_setopt(struct rfid_layer2_handle *handle, int optname,
const void *optval, unsigned int optlen)
{
switch (optname) {
case RFID_OPT_15693_MOD_DEPTH:
case RFID_OPT_15693_VCD_CODING:
case RFID_OPT_15693_VICC_SUBC:
case RFID_OPT_15693_VICC_SPEED:
default:
return -EINVAL;
break;
}
return 0;
}
static int transceive_inventory(struct rfid_layer2_handle *l2h)
{
}
static struct rfid_layer2_handle *
iso15693_init(struct rfid_reader_handle *rh)
{
int ret;
struct rfid_layer2_handle *h = malloc_layer2_handle(sizeof(*h));
if (!h)
return NULL;
h->l2 = &rfid_layer2_iso15693;
h->rh = rh;
h->priv.iso15693.state = ISO15693_STATE_NONE;
ret = h->rh->reader->iso15693.init(h->rh);
if (ret < 0) {
free_layer2_handle(h);
return NULL;
}
return h;
}
static int
iso15693_fini(struct rfid_layer2_handle *handle)
{
free_layer2_handle(handle);
return 0;
}
const struct rfid_layer2 rfid_layer2_iso15693 = {
.id = RFID_LAYER2_ISO15693,
.name = "ISO 15693",
.fn = {
.init = &iso15693_init,
.open = &iso15693_anticol,
//.transceive = &iso15693_transceive,
//.close = &iso14443a_hlta,
.fini = &iso15693_fini,
.setopt = &iso15693_setopt,
.getopt = &iso15693_getopt,
},
};
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