* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
-#define DEBUG_LIBRFID
-
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
},
};
+char *
+iso15693_get_response_error_name(u_int8_t error){
+ switch (error){
+ case RFID_15693_ERR_NOTSUPP:
+ return "ERR_NOTSUPP";
+ case RFID_15693_ERR_INVALID: /* command not recognized */
+ return "ERR_INVALID";
+ case RFID_15693_ERR_UNKNOWN: /* unknown error */
+ return "ERR_UNKNOWN";
+ case RFID_15693_ERR_BLOCK_NA: /* block not available */
+ return "ERR_BLOCK_N";
+ case RFID_15693_ERR_BLOCK_LOCKED:
+ return "ERR_BLOCK_LOCKE";
+ case RFID_15693_ERR_BLOCK_LOCKED_CH:
+ return "ERR_BLOCK_LOCKED_CH";
+ case RFID_15693_ERR_BLOCK_NOTPROG:
+ return "ERR_BLOCK_NOTPROG";
+ case RFID_15693_ERR_BLOCK_NOTLOCK:
+ return "ERR_BLOCK_NOTLOCK";
+ case 0xA0: /* until 0xDF*/
+ return "Custom Command error Code";
+ case 0xE0:
+ default:
+ return "Undef.";
+ }
+}
+
static int iso15693_transceive(struct rfid_layer2_handle *handle,
enum rfid_frametype frametype,
const unsigned char *tx_buf, unsigned int tx_len,
u_int8_t mask_len, u_int8_t *mask)
{
struct iso15693_request *req = (struct iso15693_request *) target;
- int i = 0, j;
+ int i = 0, j, mask_bytes;
+ u_int8_t byte=0;
+ void* mask_p;
req->flags = flags;
req->command = ISO15693_CMD_INVENTORY;
req->data[i++] = afi;
req->data[i++] = mask_len;
- for (j = 0; j < mask_len; j++)
+ mask_bytes = mask_len/8 + (mask_len%8)?1:0;
+ mask_p=&req->data[i];
+
+ for (j = 0; j < mask_bytes; j++)
req->data[i++] = mask[j];
-
+
+ byte = 0xFF >> (8-mask_len%8);
+ req->data[i-1]&=byte;
+
+ DEBUGP("mask_len: %d mask_bytes: %d i: %d return: %d mask:%s\n",
+ mask_len,mask_bytes,i,i + sizeof(*req),rfid_hexdump(mask_p,mask_bytes));
return i + sizeof(*req);
}
static int
iso15693_anticol(struct rfid_layer2_handle *handle)
{
- int i, ret;
+ int i, ret, mask_len;
int tx_len, rx_len;
int num_valid = 0;
union {
struct iso15693_anticol_resp resp;
- char boc;
+ u_int8_t boc;
#define MAX_SLOTS 16
int num_slots = MAX_SLOTS;
}
if (handle->priv.iso15693.use_afi)
flags |= RFID_15693_F5_AFI_PRES;
-
+#if 1
tx_len = iso15693_build_acf((u_int8_t *)&acf, flags,
handle->priv.iso15693.afi, 0, NULL);
-
+#else
+ /*FIXME: testcode*/
+ u_int8_t uid[8]={0x1f, 0x1e, 0x95, 0x01, 0x00, 0x01, 0x04, 0xe0};
+ //u_int8_t uid[8]={0xe3, 0xe8, 0xf1, 0x01, 0x00, 0x00, 0x07, 0xe0};
+ tx_len = iso15693_build_acf((u_int8_t *)&acf, flags,
+ handle->priv.iso15693.afi, 2, uid);
+#endif
+start_of_ac_loop:
for (i = 0; i < num_slots; i++) {
rx_len = sizeof(resp);
+ memset(&resp, 0, rx_len);
ret = iso15693_transceive_acf(handle, (u_int8_t *) &acf, tx_len, &resp, &rx_len, &boc);
+
if (ret == -ETIMEDOUT) {
- DEBUGP("no answer from vicc in slot %d\n", i);
+ //DEBUGP("no answer from vicc in slot %d\n", i);
+ DEBUGP("slot[%d]: timeout\n",i);
uuid_list_valid[i] = MY_NONE;
} else if (ret < 0) {
- DEBUGP("ERROR ret: %d, slot %d\n", ret, i);
+ DEBUGP("slot[%d]: ERROR ret: %d\n", i, ret);
uuid_list_valid[i] = MY_NONE;
} else {
-
+ if (ret)
+ DEBUGP("iso15693_transceive_acf() ret: %d\n",ret);
if (boc) {
- DEBUGP("Collision during anticol. slot %d bit %d\n",
- i, boc);
- uuid_list_valid[i] = -boc;
+ DEBUGP("slot[%d]: Collision! bit:%d byte:%d,%d (UID bit:%d byte:%d,%d)\n",
+ i, boc,boc/8,boc%8,
+ boc-16,(boc-16)/8,(boc-16)%8);
+ DEBUGP("Slot[%d]: ret: %d DSFID: %02x UUID: %s\n", i, ret,
+ resp.dsfid, rfid_hexdump(resp.uuid, ISO15693_UID_LEN));
+
+ uuid_list_valid[i]=-boc;
memcpy(uuid_list[i], resp.uuid, ISO15693_UID_LEN);
} else {
- DEBUGP("Slot %d ret: %d UUID: %s\n", i, ret,
- rfid_hexdump(resp.uuid, ISO15693_UID_LEN));
+ DEBUGP("Slot[%d]: ret: %d DSFID: %02x UUID: %s\n", i, ret,
+ resp.dsfid, rfid_hexdump(resp.uuid, ISO15693_UID_LEN));
uuid_list_valid[i] = MY_UUID;
memcpy(&uuid_list[i][0], resp.uuid, ISO15693_UID_LEN);
+
+ memcpy(handle->uid,resp.uuid, ISO15693_UID_LEN);
+ /* FIXME: move to init_iso15693 */
+ handle->uid_len = ISO15693_UID_LEN;
+ return 1;
}
}
}
+
+ for (i = 0; i < num_slots; i++) {
+ if (uuid_list_valid[i] < 0) {
+ boc=uuid_list_valid[i]*-1;
+ if (boc>16){
+ boc=boc-16;
+ }
+ else
+ DEBUGP("slot[%d]:boc is smaller than 2 bytes (collision before uid)!!!!\n",i);
+
+ if (boc<65){
+ tx_len = iso15693_build_acf((u_int8_t *)&acf, flags,
+ handle->priv.iso15693.afi, boc+1, resp.uuid);
+ boc=0;
+ // FIXME: dont use goto
+ goto start_of_ac_loop;
+ }else{
+ DEBUGP("slot[%d]:boc is bigger than 64 (uid size)(collision after uid)\n",i);
+ memcpy(handle->uid,uuid_list[i],ISO15693_UID_LEN);
+
+ /* FIXME: move to init_iso15693 */
+ handle->uid_len = ISO15693_UID_LEN;
+ return 1;
+ }
+ }
+ }
+#if 0
for (i = 0; i < num_slots; i++) {
if (uuid_list_valid[i] == MY_NONE) {
DEBUGP("slot[%d]: timeout\n",i);
} else if (uuid_list_valid[i] == MY_UUID) {
DEBUGP("slot[%d]: VALID uuid: %s\n", i,
rfid_hexdump(uuid_list[i], ISO15693_UID_LEN));
+ memcpy(handle->uid, uuid_list[i], ISO15693_UID_LEN);
+ /* FIXME: move to init_iso15693 */
+ handle->uid_len = ISO15693_UID_LEN;
num_valid++;
} else if (uuid_list_valid[i] < 0) {
- DEBUGP("slot[%d]: collision(%d %d,%d) uuid: %s\n",
- i,uuid_list_valid[i]*-1,
- (uuid_list_valid[i]*-1)/8,
- (uuid_list_valid[i]*-1)%8,
- rfid_hexdump(uuid_list[i], ISO15693_UID_LEN));
+ if (boc>16){
+ boc=boc-16;
+ }
+ else
+ DEBUGP("boc is smaller than 2 bytes (collision before uid)!!!!\n");
+
+ uuid_list_valid[i] = -boc;
+ if (boc<65){
+ tx_len = iso15693_build_acf((u_int8_t *)&acf, flags,
+ handle->priv.iso15693.afi, boc+1, resp.uuid);
+ boc=0;
+ // FIXME: dont use goto
+ goto start_of_ac_loop;
+ }else{
+ DEBUGP("boc is bigger than 64 (uid size)\n");
+ uuid_list_valid[i] = MY_UUID;
+ }
}
}
-
+#endif
if (num_valid == 0)
return -1;
}
static int
-iso15693_select(struct rfid_layer2_handle *handle)
+iso15693_select(struct rfid_layer2_handle *l2h)
{
struct iso15693_request_adressed tx_req;
int ret;
rx_len = sizeof(rx_buf);
tx_req.head.command = ISO15693_CMD_SELECT;
- tx_req.head.flags = RFID_15693_F4_ADDRESS | RFID_15693_F_SUBC_TWO ;
- tx_req.uid = 0xE0070000020C1F18;
- //req.uid = 0x181F0C02000007E0;
- //req.uid = 0xe004010001950837;
- //req.uid = 0x37089501000104e0;
+ tx_req.head.flags = RFID_15693_F4_ADDRESS;
+ if (l2h->priv.iso15693.vicc_fast)
+ tx_req.head.flags |= RFID_15693_F_RATE_HIGH;
+ if (l2h->priv.iso15693.vicc_two_subc)
+ tx_req.head.flags |= RFID_15693_F_SUBC_TWO;
+ memcpy(&tx_req.uid, l2h->uid, ISO15693_UID_LEN);
tx_len = sizeof(tx_req);
+
DEBUGP("tx_len=%u", tx_len); DEBUGPC(" rx_len=%u\n",rx_len);
- ret = iso15693_transceive(handle, RFID_15693_FRAME, (u_int8_t*)&tx_req,
- tx_len, (u_int8_t*)&rx_buf, &rx_len, 50,0);
- DEBUGP("ret: %d, error_flag: %d error: %d\n", ret,
- rx_buf.head.flags&RFID_15693_RF_ERROR, 0);
- return -1;
+
+ DEBUGP("ret: %d%s, error_flag: %d", ret,(ret==-ETIMEDOUT)?"(TIMEOUT)":"",
+ rx_buf.head.flags&RFID_15693_RF_ERROR);
+ if (rx_buf.head.flags&RFID_15693_RF_ERROR){
+ DEBUGPC(" -> error: %02x '%s'\n", rx_buf.error,
+ iso15693_get_response_error_name(rx_buf.error));
+ l2h->priv.iso15693.state = RFID_15693_STATE_SELECTED;
+ return 0;
+ }else{
+ DEBUGPC("\n");
+ return -1;
+ }
+}
+
+static int
+iso15693_stay_quiet(struct rfid_layer2_handle *l2h)
+{
+ struct iso15693_request_adressed tx_req;
+ int ret;
+ unsigned int rx_len, tx_len;
+
+ struct {
+ struct iso15693_response head;
+ u_int8_t error;
+ unsigned char crc[2];
+ } rx_buf;
+ rx_len = sizeof(rx_buf);
+
+ tx_req.head.command = ISO15693_CMD_STAY_QUIET;
+
+ tx_req.head.flags = RFID_15693_F4_ADDRESS;
+ if (l2h->priv.iso15693.vicc_fast)
+ tx_req.head.flags |= RFID_15693_F_RATE_HIGH;
+ if (l2h->priv.iso15693.vicc_two_subc)
+ tx_req.head.flags |= RFID_15693_F_SUBC_TWO;
+ memcpy(&tx_req.uid, l2h->uid, ISO15693_UID_LEN);
+ tx_len = sizeof(tx_req);
+
+ DEBUGP("tx_len=%u", tx_len); DEBUGPC(" rx_len=%u\n",rx_len);
+
+ ret = iso15693_transceive(l2h, RFID_15693_FRAME, (u_int8_t*)&tx_req,
+ tx_len, (u_int8_t*)&rx_buf, &rx_len, 30,0);
+
+ l2h->priv.iso15693.state = RFID_15693_STATE_QUIET;
+
+ DEBUGP("ret: %d%s, error_flag: %d", ret,(ret==-ETIMEDOUT)?"(TIMEOUT)":"",
+ rx_buf.head.flags&RFID_15693_RF_ERROR);
+ if (rx_buf.head.flags&RFID_15693_RF_ERROR)
+ DEBUGPC(" -> error: %02x\n", rx_buf.error);
+ else
+ DEBUGPC("\n");
+
+ return 0;
}
static int
if (val)
handle->priv.iso15693.use_afi = 1;
else
- handle->priv.iso15693.use_afi = 1;
+ handle->priv.iso15693.use_afi = 0;
break;
case RFID_OPT_15693_AFI:
if (val > 0xff)
.open = &iso15693_anticol,
//.open = &iso15693_select,
//.transceive = &iso15693_transceive,
- //.close = &iso14443a_hlta,
+ .close = &iso15693_stay_quiet,
.fini = &iso15693_fini,
.setopt = &iso15693_setopt,
.getopt = &iso15693_getopt,