From 79e204d323cd6c465e1a3a53598a655304be1d7a Mon Sep 17 00:00:00 2001
From: laforge <laforge@e0336214-984f-0b4b-a45f-81c69e1f0ede>
Date: Sun, 27 Jan 2008 21:14:08 +0000
Subject: partial ISO15693 support (based on patch by Bjoern Kaiser)

git-svn-id: https://svn.gnumonks.org/trunk/librfid@2057 e0336214-984f-0b4b-a45f-81c69e1f0ede
---
 src/rfid_proto_tagit.c | 141 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 src/rfid_proto_tagit.c

(limited to 'src/rfid_proto_tagit.c')

diff --git a/src/rfid_proto_tagit.c b/src/rfid_proto_tagit.c
new file mode 100644
index 0000000..0388baa
--- /dev/null
+++ b/src/rfid_proto_tagit.c
@@ -0,0 +1,141 @@
+
+/* UNFINISHED TI Tag-it implementation, PCD side.
+ *
+ * (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
+ *  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 <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <librfid/rfid.h>
+#include <librfid/rfid_protocol.h>
+#include <librfid/rfid_layer2.h>
+#include <librfid/rfid_layer2_iso15693.h>
+#include <librfid/rfid_protocol_tagit.h>
+
+struct tagit_version {
+	u_int8_t version;	/* bit 47..40 (last bit masked) of uid */
+	const char *name;
+};
+
+const struct tagit_version tagit_versions[] = {
+	{
+		.version = 0x00,
+		.name = "HF-I Plus Inlay",
+	}, {
+		.version = 0x80,
+		.name = "HF-I Plus Chip",
+	}, {
+		.version = 0xc0,
+		.name = "HF-I Standard Chip / Inlay",
+	}, {
+		.version = 0xc4,
+		.name = "HF-I Pro Chip / Inlay",
+	},
+};
+
+static int
+tagit_read(struct rfid_protocol_handle *ph, unsigned int page,
+	   unsigned char *rx_data, unsigned int *rx_len)
+{
+	unsigned char rx_buf[16];
+	unsigned int real_rx_len = sizeof(rx_buf);
+	unsigned char tx[2];
+	int ret;
+
+	/* FIXME */
+	return -EINVAL;
+}
+
+static int
+tagit_write(struct rfid_protocol_handle *ph, unsigned int page,
+	    unsigned char *tx_data, unsigned int tx_len)
+{
+	unsigned int i;
+	unsigned char tx[6];
+	unsigned char rx[10];
+	unsigned int rx_len = sizeof(rx);
+	int ret;
+
+	return -EINVAL;
+}
+
+static int
+tagit_getopt(struct rfid_protocol_handle *ph, int optname, void *optval,
+	    unsigned int *optlen)
+{
+	int ret = -EINVAL;
+	unsigned int *size = optval;
+
+	switch (optname) {
+	case RFID_OPT_PROTO_SIZE:
+		ret = 0;
+		/* we have to return the size in bytes, not bits */
+		/* FIXME: implement this */
+		*size = 12345;
+		break;
+	}
+
+	return ret;
+}
+
+
+static struct rfid_protocol_handle *
+tagit_init(struct rfid_layer2_handle *l2h)
+{
+	struct rfid_protocol_handle *ph;
+	u_int8_t uid[6];
+	unsigned int uid_len = sizeof(uid);
+
+	if (l2h->l2->id != RFID_LAYER2_ISO15693)
+		return NULL;
+
+	/* According to "SCBU002 - November 2005 */
+	rfid_layer2_getopt(l2h, RFID_OPT_LAYER2_UID,
+			   uid, &uid_len);
+	if (uid[5] != 0xe0 || uid[4] != 0x07)
+		return NULL;
+	if (l2h->uid_len != 6)
+		return NULL;
+
+	ph = malloc_protocol_handle(sizeof(struct rfid_protocol_handle));
+	return ph;
+}
+
+static int tagit_fini(struct rfid_protocol_handle *ph)
+{
+	free_protocol_handle(ph);
+	return 0;
+}
+
+const struct rfid_protocol rfid_protocol_tagit = {
+	.id	= RFID_PROTOCOL_TAGIT,
+	.name	= "TI Tag-it HF",
+	.fn	= {
+		.init 		= &tagit_init,
+		.read		= &tagit_read,
+		.write 		= &tagit_write,
+		.fini		= &tagit_fini,
+		.getopt		= &tagit_getopt,
+	},
+};
+
+/* Functions below are not (yet? covered in the generic librfid api */
-- 
cgit v1.2.3