/* ISO 15693 anticollision implementation * * (C) 2005-2006 by Harald Welte * */ /* * 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 #include #include #include #include #include #include #include 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, }, };