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authorlaforge <laforge@6dc7ffe9-61d6-0310-9af1-9938baff3ed1>2006-11-28 18:40:44 +0000
committerlaforge <laforge@6dc7ffe9-61d6-0310-9af1-9938baff3ed1>2006-11-28 18:40:44 +0000
commitd60b7ba4bd0284ca3f1919835face2234c63f928 (patch)
treebd2c5b830bfdea76302ae7c738b418bdd620c8dc /firmware/src/pcd
parent304a9dd46f0a62ce336d6539b96e122daa5dd2bb (diff)
add new 'main_mifare' firmware to demonstrate in-reader librfid mifare
implementation. 'j' and 'k' keys on debug port can be switched to read different sectors. git-svn-id: https://svn.openpcd.org:2342/trunk@274 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
Diffstat (limited to 'firmware/src/pcd')
-rw-r--r--firmware/src/pcd/main_mifare.c279
1 files changed, 279 insertions, 0 deletions
diff --git a/firmware/src/pcd/main_mifare.c b/firmware/src/pcd/main_mifare.c
new file mode 100644
index 0000000..43729a5
--- /dev/null
+++ b/firmware/src/pcd/main_mifare.c
@@ -0,0 +1,279 @@
+/* main_mifare - OpenPCD firmware using in-firmware librfid
+ *
+ * (C) 2006 by Harald Welte <hwelte@hmw-consulting.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <errno.h>
+#include <string.h>
+#include <lib_AT91SAM7.h>
+#include <librfid/rfid.h>
+#include <librfid/rfid_scan.h>
+#include <librfid/rfid_reader.h>
+#include <librfid/rfid_layer2.h>
+#include <librfid/rfid_protocol.h>
+//#include "rc632.h"
+#include <os/dbgu.h>
+#include <os/led.h>
+#include <os/pcd_enumerate.h>
+#include <os/trigger.h>
+#include <os/req_ctx.h>
+#include <pcd/rc632.h>
+
+#include "../openpcd.h"
+
+static struct rfid_reader_handle *rh;
+static struct rfid_layer2_handle *l2h;
+static struct rfid_protocol_handle *ph;
+
+static u_int8_t sector = 0;
+
+void _init_func(void)
+{
+ trigger_init();
+ rc632_init();
+ rc632_test(NULL);
+ DEBUGP("opening reader ");
+#if 1
+ rh = rfid_reader_open(NULL, RFID_READER_OPENPCD);
+ DEBUGP("rh=%p ", rh);
+#endif
+ led_switch(2, 1);
+}
+
+int _main_dbgu(char key)
+{
+ int ret = -EINVAL;
+ switch (key) {
+ case 'j':
+ ret = 0;
+ if (sector > 0);
+ sector--;
+ break;
+ case 'k':
+ ret = 0;
+ if (sector < 15)
+ sector++;
+ break;
+ }
+ return ret;
+}
+
+struct openpcd_l2_connectinfo {
+ u_int32_t proto_supported;
+
+ u_int8_t speed_rx;
+ u_int8_t speed_tx;
+
+ u_int8_t uid_len;
+ u_int8_t uid[10];
+} __attribute__ ((packed));
+
+struct openpcd_proto_connectinfo {
+} __attribute__ ((packed));
+
+struct openpcd_proto_tcl_connectinfo {
+ u_int8_t fsc;
+ u_int8_t fsd;
+ u_int8_t ta;
+ u_int8_t sfgt;
+
+ u_int8_t flags;
+ u_int8_t cid;
+ u_int8_t nad;
+
+ u_int8_t ats_tot_len;
+ u_int8_t ats_snippet[0];
+} __attribute__ ((packed));
+
+/* mifare classic helper */
+static int
+mifare_classic_read_sector(struct rfid_protocol_handle *ph, int sector)
+{
+ unsigned char buf[20];
+ unsigned int len = sizeof(buf);
+ int ret;
+ int block;
+
+ /* FIXME: make this work for sectors > 31 */
+ DEBUGPCR("Reading sector %u", sector);
+
+ for (block = sector*4; block < sector*4+4; block++) {
+ DEBUGP("Reading block %u: ", block);
+ ret = rfid_protocol_read(ph, block, buf, &len);
+ if(ret == -ETIMEDOUT)
+ DEBUGPCR("TIMEOUT");
+ if (ret < 0) {
+ DEBUGPCR("Error %d reading", ret);
+ return ret;
+ }
+
+ DEBUGPCR("Page 0x%x: %s", block, hexdump(buf, len));
+ }
+ return 0;
+}
+
+static int init_proto(void)
+{
+ struct req_ctx *detect_rctx;
+ struct openpcd_hdr *opcdh;
+ struct openpcd_l2_connectinfo *l2c;
+ struct openpcd_proto_connectinfo *pc;
+ unsigned int size;
+
+ l2h = rfid_layer2_scan(rh);
+ if (!l2h)
+ return 0;
+
+ DEBUGP("l2='%s' ", rfid_layer2_name(l2h));
+
+ detect_rctx = req_ctx_find_get(0, RCTX_STATE_FREE,
+ RCTX_STATE_LIBRFID_BUSY);
+ if (detect_rctx) {
+ unsigned int uid_len;
+ opcdh = (struct openpcd_hdr *) detect_rctx->data;
+ l2c = (struct openpcd_l2_connectinfo *)
+ (char *) opcdh + sizeof(opcdh);
+ l2c->uid_len = sizeof(l2c->uid);
+ opcdh->cmd = OPENPCD_CMD_LRFID_DETECT_IRQ;
+ opcdh->flags = 0x00;
+ opcdh->reg = 0x03;
+ opcdh->val = l2h->l2->id;
+
+ detect_rctx->tot_len = sizeof(*opcdh) + sizeof(*l2c);
+#if 0
+ /* copy UID / PUPI into data section */
+ rfid_layer2_getopt(l2h, RFID_OPT_LAYER2_UID, (void *)l2c->uid,
+ &uid_len);
+ l2c->uid_len = uid_len & 0xff;
+
+ size = sizeof(l2c->proto_supported);
+ rfid_layer2_getopt(l2h, RFID_OPT_LAYER2_PROTO_SUPP,
+ &l2c->proto_supported, &size);
+
+ switch (l2h->l2->id) {
+ case RFID_LAYER2_ISO14443A:
+ break;
+ case RFID_LAYER2_ISO14443B:
+ break;
+ case RFID_LAYER2_ISO15693:
+ break;
+ }
+#endif
+ req_ctx_set_state(detect_rctx, RCTX_STATE_UDP_EP3_PENDING);
+ } else
+ DEBUGPCRF("=>>>>>>>>>>>>>>no req_ctx for L2!");
+ ph = rfid_protocol_scan(l2h);
+ if (!ph)
+ return 3;
+
+ DEBUGP("p='%s' ", rfid_protocol_name(ph));
+ detect_rctx = req_ctx_find_get(0, RCTX_STATE_FREE,
+ RCTX_STATE_LIBRFID_BUSY);
+ if (detect_rctx) {
+ opcdh = (struct openpcd_hdr *) detect_rctx->data;
+ pc = (struct openpcd_proto_connectinfo *)
+ ((char *) opcdh + sizeof(*opcdh));
+ detect_rctx->tot_len = sizeof(*opcdh) + sizeof(*pc);
+ opcdh->cmd = OPENPCD_CMD_LRFID_DETECT_IRQ;
+ opcdh->flags = 0x00;
+ opcdh->reg = 0x04;
+ opcdh->val = ph->proto->id;
+ /* copy L4 info into data section */
+
+#if 0
+ switch (ph->proto->id) {
+ case RFID_PROTOCOL_TCL: {
+ struct openpcd_proto_tcl_connectinfo *ptc
+ = (struct openpcd_proto_tcl_connectinfo *)
+ ((char *) ph + sizeof(*ph));
+ unsigned int space;
+ detect_rctx->tot_len += sizeof(*ptc);
+ space = detect_rctx->size - sizeof(*opcdh)-sizeof(*pc);
+ size = space;
+ rfid_protocol_getopt(ph, RFID_OPT_P_TCL_ATS,
+ &ptc->ats_snippet, &size);
+ if (size == space) {
+ /* we've only copied part of the ATS */
+ size = sizeof(ptc->ats_tot_len);
+ rfid_protocol_getopt(ph,
+ RFID_OPT_P_TCL_ATS_LEN,
+ &ptc->ats_tot_len, &size);
+ } else {
+ ptc->ats_tot_len = size;
+ }
+
+ } break;
+ }
+#endif
+ req_ctx_set_state(detect_rctx, RCTX_STATE_UDP_EP3_PENDING);
+ } else
+ DEBUGPCRF("=>>>>>>>>>>>>>>no req_ctx for L2!");
+ led_switch(1, 1);
+
+ if (ph->proto->id == RFID_PROTOCOL_MIFARE_CLASSIC) {
+ int rc;
+
+ DEBUGPCR("Authenticating sector %u: ", sector);
+ rc = mfcl_set_key(ph, MIFARE_CL_KEYA_DEFAULT_INFINEON);
+ if (rc < 0) {
+ DEBUGPCR("key format error");
+ return 4;
+ }
+ rc = mfcl_auth(ph, RFID_CMD_MIFARE_AUTH1A, sector*4);
+ if (rc < 0) {
+ DEBUGPCR("mifare auth error");
+ return 4;
+ } else
+ DEBUGPCR("mifare auth succeeded!\n");
+
+ mifare_classic_read_sector(ph, sector);
+
+ return 5;
+ }
+
+ return 4;
+}
+
+static int opcd_lrfid_usb_in(struct req_ctx *rctx)
+{
+ struct openpcd_hdr *poh = (struct openpcd_hdr *) rctx->data;
+ return 0;
+}
+
+
+void _main_func(void)
+{
+ int ret;
+
+ usb_out_process();
+ usb_in_process();
+
+ ret = init_proto();
+
+ if (ret >= 4)
+ rfid_protocol_close(ph);
+ if (ret >= 3)
+ rfid_layer2_close(l2h);
+
+ rc632_turn_off_rf(NULL);
+ { volatile int i; for (i = 0; i < 0xfffff; i++) ; }
+ rc632_turn_on_rf(NULL);
+
+ led_switch(1, 0);
+ led_toggle(2);
+}