Add WRITE support for ISO15693 (Bjoern Riemer)

git-svn-id: https://svn.gnumonks.org/trunk/librfid@2106 e0336214-984f-0b4b-a45f-81c69e1f0ede
This commit is contained in:
laforge 2008-05-24 13:41:16 +00:00
parent 785fb8e449
commit 544071c0f9
5 changed files with 341 additions and 57 deletions

View File

@ -30,6 +30,7 @@ struct rfid_asic_handle;
struct iso14443a_atqa;
struct iso14443a_anticol_cmd;
struct iso15693_anticol_cmd;
struct iso15693_anticol_resp;
struct rfid_asic_rc632 {
struct {

View File

@ -128,6 +128,7 @@ enum iso15693_response_flags {
enum iso15693_response_errors {
RFID_15693_ERR_NOTSUPP = 0x01,
RFID_15693_ERR_INVALID = 0x02, /* command not recognized */
RFID_15693_ERR_NOTSUPP_OPTION = 0x03, /* option not supported*/
RFID_15693_ERR_UNKNOWN = 0x0f, /* unknown error */
RFID_15693_ERR_BLOCK_NA = 0x10, /* block not available */
RFID_15693_ERR_BLOCK_LOCKED = 0x11,

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@ -288,7 +288,9 @@ static int rc632_wait_idle_timer(struct rfid_asic_handle *handle)
DEBUGP_STATUS_FLAG(stat);
if (stat & RC632_STAT_ERR) {
u_int8_t err;
rc632_reg_read(handle, RC632_REG_ERROR_FLAG, &err);
ret = rc632_reg_read(handle, RC632_REG_ERROR_FLAG, &err);
if (ret < 0)
return ret;
DEBUGP_ERROR_FLAG(err);
if (err & (RC632_ERR_FLAG_COL_ERR |
RC632_ERR_FLAG_PARITY_ERR |
@ -355,7 +357,9 @@ rc632_wait_idle(struct rfid_asic_handle *handle, u_int64_t timeout)
ret = rc632_reg_read(handle, RC632_REG_INTERRUPT_RQ, &foo);
DEBUGP_INTERRUPT_FLAG("irq_rq",foo);
/* clear all interrupts */
rc632_clear_irqs(handle, 0xff);
ret = rc632_clear_irqs(handle, 0xff);
if (ret < 0)
return ret;
}
}
if (cmd == 0) {

View File

@ -6,7 +6,7 @@
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* 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,
@ -18,6 +18,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
//#define DEBUG_LIBRFID
#include <stdlib.h>
#include <unistd.h>
@ -29,17 +30,42 @@
#include <librfid/rfid_reader.h>
#include <librfid/rfid_layer2_iso15693.h>
struct iso15693_request_read {
struct iso15693_request req;
/*struct iso15693_request_read {
struct iso15693_request head;
u_int64_t uid;
u_int8_t blocknum;
} __attribute__ ((packed));
} __attribute__ ((packed));*/
struct iso15693_request_adressed {
struct iso15693_request head;
u_int64_t uid;
} __attribute__ ((packed));
struct iso15693_request_block_addressed {
struct iso15693_request head;
u_int64_t uid;
u_int8_t blocknum;
u_int8_t data[0];
} __attribute__ ((packed));
struct iso15693_request_block_selected {
struct iso15693_request head;
u_int8_t blocknum;
u_int8_t data[0];
} __attribute__ ((packed));
struct iso15693_err_resp {
struct iso15693_response head;
u_int8_t error;
unsigned char crc[2];
} __attribute__ ((packed));
struct iso15693_response_sec {
struct iso15693_response head;
u_int8_t block_sec;
u_int8_t data[];
} __attribute__ ((packed));
#define ISO15693_BLOCK_SIZE_MAX (256/8)
#define ISO15693_RESP_SIZE_MAX (4+ISO15693_BLOCK_SIZE_MAX)
@ -69,6 +95,8 @@ iso15693_get_response_error_name(u_int8_t error){
return "ERR_INVALID";
case RFID_15693_ERR_UNKNOWN: /* unknown error */
return "ERR_UNKNOWN";
case RFID_15693_ERR_NOTSUPP_OPTION:
return "ERR_NotSuppOpt";
case RFID_15693_ERR_BLOCK_NA: /* block not available */
return "ERR_BLOCK_N";
case RFID_15693_ERR_BLOCK_LOCKED:
@ -111,49 +139,180 @@ iso15693_transceive_acf(struct rfid_layer2_handle *handle,
return rdr->iso15693.transceive_ac(handle->rh, acf, acf_len, resp, rx_len, bit_of_col);
}
#if 0
static int
int
iso15693_read_block(struct rfid_layer2_handle *handle,
u_int8_t blocknr, u_int32_t *data)
u_int8_t blocknr, u_int32_t *data, unsigned int len,
unsigned char *block_sec_out)
{
int rc;
struct iso15693_request_read req;
union {
struct iso15693_request_block_selected sel;
struct iso15693_request_block_addressed addr;
} tx_req;
int ret;
unsigned char *errstr;
unsigned int rx_len, tx_len,timeout;
u_int8_t resp[ISO15693_RESP_SIZE_MAX];
struct iso15693_err_resp *rx_err;
struct iso15693_response *rx_pkt;
struct iso15693_response_sec *rx_pkt_sec;
req.req.flags = 0;
req.command = ISO15693_CMD_READ_BLOCK_SINGLE;
memcpy(&req.uid, handle->..., ISO15693_UID_LEN);
req.blocknum = blocknr;
rx_pkt_sec = (struct iso15693_response *)&resp[0];
rx_pkt = (struct iso15693_response *)&resp[0];
rx_err = (struct iso15693_err_resp *)&resp[0];
/* FIXME: fill CRC if required */
memset(&tx_req,0,sizeof(tx_req));
rc = iso15693_transceive(... &req, ..., );
rx_len = sizeof(resp);
if (rc < 0)
return rc;
tx_req.sel.head.command = ISO15693_CMD_READ_BLOCK_SINGLE;
memcpy(data, resp+1, rc-1); /* FIXME rc-3 in case of CRC */
if (handle->priv.iso15693.vicc_fast){
tx_req.sel.head.flags |= RFID_15693_F_RATE_HIGH;
timeout=iso15693_timing[ISO15693_T_FAST][ISO15693_T4];
}else
timeout=iso15693_timing[ISO15693_T_SLOW][ISO15693_T4];
return rc-1;
if (handle->priv.iso15693.vicc_two_subc)
tx_req.sel.head.flags |= RFID_15693_F_SUBC_TWO;
if (block_sec_out!=NULL)
tx_req.sel.head.flags |= RFID_15693_F4_CUSTOM;
if (handle->priv.iso15693.state==RFID_15693_STATE_SELECTED) {
tx_len = sizeof(struct iso15693_request_block_selected);
tx_req.sel.blocknum = blocknr;
tx_req.sel.head.flags |= RFID_15693_F4_SELECTED;
} else {
tx_len = sizeof(struct iso15693_request_block_addressed);
memcpy(&tx_req.addr.uid, handle->uid, ISO15693_UID_LEN);
tx_req.addr.head.flags |= RFID_15693_F4_ADDRESS;
tx_req.addr.blocknum = blocknr;
}
//DEBUGP("sizeof: addr: %d sel:%d\n",sizeof(struct iso15693_request_read_addressed),sizeof(struct iso15693_request_read_selected));
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, resp, &rx_len, timeout, 0);
if (ret==-ETIMEDOUT)
errstr="(TIMEOUT)";
else if (ret==-EIO)
errstr="(EIO)";
else
errstr="";
DEBUGP("length: %d rx_len: %d ret: %d%s\n",len,rx_len,ret,errstr);
if (ret < 0)
return ret;
if (rx_len > len+1)
return -1;
DEBUGP("error_flag: %d", rx_pkt->flags&RFID_15693_RF_ERROR);
if (rx_pkt->flags & RFID_15693_RF_ERROR) {
DEBUGPC(" -> error: %02x '%s'\n", rx_err->error,
iso15693_get_response_error_name(rx_err->error));
return -1;
} else if (block_sec_out != NULL) {
DEBUGPC(" block_sec_stat: 0x%02x\n",rx_pkt_sec->block_sec);
memcpy(data, rx_pkt_sec->data, rx_len-2);
return rx_len-2;
} else {
memcpy(data, rx_pkt->data, rx_len-1); /* FIXME rc-3 in case of CRC */
return rx_len-1;
}
}
static int
iso15693_write_block()
int
iso15693_write_block(struct rfid_layer2_handle *handle,
u_int8_t blocknr, u_int32_t *data, unsigned int len)
{
struct iso16593_request_read *rreq;
u_int32_t buf[sizeof(req)+ISO15693_BLOCK_SIZE_MAX];
int ret;
unsigned char *errstr;
unsigned int rx_len, tx_len,timeout;
rreq = (struct iso15693_request_read *) req;
union{
struct iso15693_request_block_selected sel;
struct iso15693_request_block_addressed addr;
u_int32_t buf[sizeof(struct iso15693_request_block_addressed)+ISO15693_BLOCK_SIZE_MAX];
} tx_req;
rreq->req.flags = ;
rreq->req.command = ISO15693_CMD_WRITE_BLOCK_SINGLE;
memcpy(rreq->uid, handle->, ISO15693_UID_LEN);
rreq->blocknum = blocknr;
memcpy(rreq->);
u_int8_t resp[ISO15693_RESP_SIZE_MAX];
struct iso15693_response *rx_pkt;
struct iso15693_err_resp *rx_err;
rx_pkt = (struct iso15693_response *)&resp[0];
rx_err = (struct iso15693_err_resp *)&resp[0];
rx_len = sizeof(resp);
if (len > ISO15693_BLOCK_SIZE_MAX)
return -1;
//return -1;
memset(&tx_req,0,sizeof(tx_req));
tx_req.sel.head.command = ISO15693_CMD_WRITE_BLOCK_SINGLE;
if (handle->priv.iso15693.vicc_fast) {
tx_req.sel.head.flags |= RFID_15693_F_RATE_HIGH;
timeout = iso15693_timing[ISO15693_T_FAST][ISO15693_T4_WRITE];
} else
timeout = iso15693_timing[ISO15693_T_SLOW][ISO15693_T4_WRITE];
if (handle->priv.iso15693.vicc_two_subc)
tx_req.sel.head.flags |= RFID_15693_F_SUBC_TWO;
if (handle->priv.iso15693.state == RFID_15693_STATE_SELECTED) {
tx_len=sizeof(struct iso15693_request_block_selected)+len;
tx_req.sel.head.flags |= RFID_15693_F4_SELECTED;
tx_req.sel.blocknum = blocknr;
memcpy(&tx_req.sel.data,data,len);
} else {
memcpy(&tx_req.addr.uid, handle->uid, ISO15693_UID_LEN);
tx_len=sizeof(struct iso15693_request_block_addressed)+len;
tx_req.addr.head.flags |= RFID_15693_F4_ADDRESS;
tx_req.addr.blocknum = blocknr;
memcpy(&tx_req.addr.data,data,len);
}
//DEBUGP("sizeof: addr: %d sel:%d\n",sizeof(struct iso15693_request_read_addressed),sizeof(struct iso15693_request_read_selected));
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, resp, &rx_len, timeout, 0);
if (ret == -ETIMEDOUT)
errstr = "(TIMEOUT)";
else if (ret == -EIO)
errstr = "(EIO)";
else
errstr = "";
DEBUGP("length: %d rx_len: %d ret: %d%s\n",len,rx_len,ret,errstr);
if (ret < 0)
return ret;
if (rx_len > len+1)
return -1;
DEBUGP("error_flag: %d", rx_pkt->flags & RFID_15693_RF_ERROR);
if (rx_pkt->flags & RFID_15693_RF_ERROR) {
DEBUGPC(" -> error: %02x '%s'\n", rx_err->error,
iso15693_get_response_error_name(rx_err->error));
return -1;
} else {
//DEBUGPC(" block_sec_stat: 0x%02x\n",rx_pkt->data[0]);
//memcpy(data, rx_pkt->data, rx_len-1); /* FIXME rc-3 in case of CRC */
//return rx_len-1;
return 0;
}
}
#if 0
static int
iso15693_lock_block()
{
@ -178,13 +337,13 @@ iso15693_build_acf(u_int8_t *target, u_int8_t flags, u_int8_t afi,
req->data[i++] = mask_len;
mask_bytes = mask_len/8 + (mask_len%8)?1:0;
mask_p=&req->data[i];
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;
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));
@ -203,9 +362,9 @@ iso15693_anticol(struct rfid_layer2_handle *handle)
} acf;
struct iso15693_anticol_resp resp;
u_int8_t boc;
#define MAX_SLOTS 16
#define MAX_SLOTS 16
int num_slots = MAX_SLOTS;
u_int8_t uuid_list[MAX_SLOTS][ISO15693_UID_LEN];
@ -350,12 +509,12 @@ start_of_ac_loop:
return num_valid;
}
static int
int
iso15693_select(struct rfid_layer2_handle *l2h)
{
struct iso15693_request_adressed tx_req;
int ret;
unsigned int rx_len, tx_len;
unsigned int rx_len, tx_len, timeout;
struct {
struct iso15693_response head;
@ -364,27 +523,39 @@ iso15693_select(struct rfid_layer2_handle *l2h)
} rx_buf;
rx_len = sizeof(rx_buf);
if (l2h->priv.iso15693.vicc_fast) {
tx_req.head.flags |= RFID_15693_F_RATE_HIGH;
timeout = iso15693_timing[ISO15693_T_FAST][ISO15693_T4];
} else
timeout = iso15693_timing[ISO15693_T_SLOW][ISO15693_T4];
tx_req.head.command = ISO15693_CMD_SELECT;
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);
DEBUGP("tx_len=%u, rx_len=%u\n", tx_len,rx_len);
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){
ret = iso15693_transceive(l2h, RFID_15693_FRAME, (u_int8_t*)&tx_req,
tx_len, (u_int8_t*)&rx_buf, &rx_len,timeout ,0);
DEBUGP("ret: %d%s, rx_len: %d, error_flag: %d", ret,
(ret==-ETIMEDOUT)?"(TIMEOUT)":"", rx_len,
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));
return -1;
} else {
DEBUGPC(" SELECTED\n");
l2h->priv.iso15693.state = RFID_15693_STATE_SELECTED;
return 0;
}else{
DEBUGPC("\n");
return -1;
}
}
@ -438,7 +609,7 @@ iso15693_getopt(struct rfid_layer2_handle *handle,
if (!optlen || !optval || *optlen < sizeof(unsigned int))
return -EINVAL;
*optlen = sizeof(unsigned int);
switch (optname) {
@ -495,7 +666,7 @@ iso15693_setopt(struct rfid_layer2_handle *handle, int optname,
const void *optval, unsigned int optlen)
{
unsigned int val;
if (optlen < sizeof(u_int8_t) || !optval)
return -EINVAL;

View File

@ -3,7 +3,7 @@
* (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
* 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,
@ -132,7 +132,7 @@ iso7816_read_binary(unsigned char *buf, unsigned int *len)
unsigned char cmd[] = { 0x00, 0xb0, 0x00, 0x00, 0x00 };
unsigned char resp[256];
unsigned int rlen = sizeof(resp);
int rv;
rv = rfid_protocol_transceive(ph, cmd, sizeof(cmd), resp, &rlen, 0, 0);
@ -241,7 +241,7 @@ mifare_classic_dump(struct rfid_protocol_handle *ph)
unsigned int size_len = sizeof(size);
int sector, num_sectors;
if (rfid_protocol_getopt(ph, RFID_OPT_PROTO_SIZE,
if (rfid_protocol_getopt(ph, RFID_OPT_PROTO_SIZE,
&size, &size_len) == 0) {
printf("Size: %u bytes\n", size);
} else {
@ -280,13 +280,96 @@ mifare_classic_dump(struct rfid_protocol_handle *ph)
if (rc < 0) {
printf("mifare auth error\n");
exit(1);
} else
} else
printf("mifare auth succeeded!\n");
mifare_classic_read_sector(ph, sector);
}
}
void
iso15693_write(struct rfid_reader_handle *rh,int layer2,int sector,
unsigned char *data, unsigned int len)
{
int rc;
unsigned char uid_buf[16];
unsigned int uid_len = sizeof(uid_buf);
if (rh->reader->l2_supported & (1 << layer2)) {
l2h = rfid_layer2_init(rh, layer2);
if (!l2h) {
printf("error during layer2(%d)_init (0=14a,1=14b,3=15)\n",layer2);
return;
}
printf("Layer2 init ok\n");
rc = rfid_layer2_open(l2h);
if (rc>0){
rfid_layer2_getopt(l2h, RFID_OPT_LAYER2_UID, &uid_buf, &uid_len);
printf("Layer 2 success (%s)[%d]: '%s'\n", rfid_layer2_name(l2h), uid_len, hexdump(uid_buf, uid_len));
rc = iso15693_write_block(l2h,sector,data,len);
printf("write>>rc: %d\n",rc);
}else {
printf("error during layer2_open\n");
return ;
}
rfid_layer2_close(l2h);
rfid_layer2_fini(l2h);
}
}
void iso15693_dump(struct rfid_reader_handle *rh,int layer2,int sector){
unsigned int size;
unsigned int size_len = sizeof(size);
unsigned char buf[1024];
int rc,i;
unsigned char uid_buf[16], block_sec;
unsigned int uid_len = sizeof(uid_buf);
if (rh->reader->l2_supported & (1 << layer2)) {
l2h = rfid_layer2_init(rh, layer2);
if (!l2h) {
printf("error during layer2(%d)_init (0=14a,1=14b,3=15)\n",layer2);
return;
}
printf("Layer2 init ok\n");
rc = rfid_layer2_open(l2h);
if (rc>0){
rfid_layer2_getopt(l2h, RFID_OPT_LAYER2_UID, &uid_buf, &uid_len);
printf("Layer 2 success (%s)[%d]: '%s'\n", rfid_layer2_name(l2h), uid_len, hexdump(uid_buf, uid_len));
if (sector < 0){
if (sector<=-3)
iso15693_select(l2h);
for(i=0;i<=255;i++){
rc = iso15693_read_block(l2h,i,buf,sizeof(buf),&block_sec);
if (rc>=0)
printf("block[%3d:%02x]sec:0x%0x data(%d): %s\n",i,i,block_sec,rc,rfid_hexdump(buf,rc));
else{
printf("no data(read_block(%d)>> %d)\n",i,rc);
if ((sector == -1)||(sector == -3))
break;
}
}
}else{
if (sector>255)
sector=255;
rc = iso15693_read_block(l2h,sector,buf,sizeof(buf));
if (rc>=0)
printf("block[%d]data(%d): %s\n",i,rc,rfid_hexdump(buf,rc));
else
printf("no data(read_block(%d)>> %d)\n",i,rc);
}
} else {
printf("error during layer2_open\n");
return ;
}
rfid_layer2_close(l2h);
rfid_layer2_fini(l2h);
}
}
static char *proto_names[] = {
[RFID_PROTOCOL_TCL] = "tcl",
[RFID_PROTOCOL_MIFARE_UL] = "mifare-ultralight",
@ -363,7 +446,7 @@ static int do_scan(int first)
if (rc >= 3) {
printf("Protocol success (%s)\n", rfid_protocol_name(ph));
if (rfid_protocol_getopt(ph, RFID_OPT_PROTO_SIZE,
if (rfid_protocol_getopt(ph, RFID_OPT_PROTO_SIZE,
&size, &size_len) == 0)
printf("Size: %u bytes\n", size);
size_len = sizeof(size);
@ -527,6 +610,8 @@ static struct option original_opts[] = {
{ "scan-loop", 0, 0, 'S' },
{ "dump", 0, 0, 'd' },
{ "enum", 0, 0, 'e' },
{ "read", 1, 0, 'r' },
{ "write", 1, 0, 'w'},
{ "enum-loop", 1, 0, 'E' },
{0, 0, 0, 0}
};
@ -599,12 +684,14 @@ void register_module(struct rfidtool_module *me)
static void help(void)
{
printf( " -s --scan scan until first RFID tag is found\n"
" -S --scan-loop endless scanning loop\n"
" -S --scan-loop endless scanning loop\n"
" -p --protocol {tcl,mifare-ultralight,mifare-classic,tagit,icode}\n"
" -l --layer2 {iso14443a,iso14443b,iso15693,icode1}\n"
" -d --dump dump rc632 registers\n"
" -e --enum enumerate all tag's in field \n"
" -E --enum-loop <delay> (ms) enumerate endless\n"
" -r --read <secror> read iso15693 sector \n\t\t\t(-1:0-255 stop on error, -2: 0-255 no stop)\n"
" -w --write <sector> write to iso15693 sector data: 01:02:03:04\n"
" -h --help\n");
}
@ -619,7 +706,7 @@ int main(int argc, char **argv)
#else /*__MINGW32__*/
program_name = basename(argv[0]);
#endif/*__MINGW32__*/
printf("%s - (C) 2005-2008 by Harald Welte\n"
"This program is Free Software and has "
"ABSOLUTELY NO WARRANTY\n\n", program_name);
@ -629,11 +716,31 @@ int main(int argc, char **argv)
while (1) {
int c, option_index = 0;
c = getopt_long(argc, argv, "hp:l:sSdeE:", opts, &option_index);
c = getopt_long(argc, argv, "hp:l:sSdeE:r:w:", opts, &option_index);
if (c == -1)
break;
switch (c) {
case 'w':
//hexread(key, optarg, strlen(optarg));
i = strtol(optarg, NULL, 10);
if (reader_init() < 0)
exit(1);
layer2 = RFID_LAYER2_ISO15693;
iso15693_write(rh,layer2,i,"\x1\x2\x3\x4",4);
rfid_reader_close(rh);
exit(0);
break;
case 'r':
i = strtol(optarg, NULL, 10);
if (reader_init() < 0)
exit(1);
//if (layer2 < 0)
layer2 = RFID_LAYER2_ISO15693;
iso15693_dump(rh,layer2,i);
rfid_reader_close(rh);
exit(0);
break;
case 'E':
i = strtol(optarg, NULL, 10);
@ -677,7 +784,7 @@ int main(int argc, char **argv)
case 'p':
protocol = proto_by_name(optarg);
if (protocol < 0) {
fprintf(stderr, "unknown protocol `%s'\n",
fprintf(stderr, "unknown protocol `%s'\n",
optarg);
exit(2);
}
@ -715,7 +822,7 @@ int main(int argc, char **argv)
fprintf(stderr, "you have to specify --layer2\n");
exit(2);
}
if (reader_init() < 0)
exit(1);
@ -805,6 +912,6 @@ int main(int argc, char **argv)
}
rfid_reader_close(rh);
exit(0);
}