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/* Python bindings for librfid
* (C) 2007 by Kushal Das <kushal@openpcd.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 <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <libgen.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 <librfid/rfid_protocol_mifare_classic.h>
#include <librfid/rfid_protocol_mifare_ul.h>
#include <common.h>
#include <Python.h>
static PyObject *pyi_open(PyObject *self, PyObject *args);
static PyObject *pyi_close(PyObject *self, PyObject *args);
static PyObject *pyi_rfidscan(PyObject *self, PyObject *args);
static PyObject *pyi_rfidlayeropt(PyObject *self, PyObject *args);
static PyObject *pyi_Error;
struct rfid_reader_handle *rh;
struct rfid_layer2_handle *l2h;
struct rfid_protocol_handle *ph;
static PyMethodDef pyi_Methods[] = {
{"open", pyi_open, METH_VARARGS,
"This will initialise the RFID reader"},
{"close", pyi_close, METH_VARARGS,
"This will close the RFID reader"},
{"scan", pyi_rfidscan, METH_VARARGS,
"This will scan for any card"},
{"get_id", pyi_rfidlayeropt, METH_VARARGS,
"This will read the id of the card"},
{NULL, NULL, 0, NULL}
};
PyMODINIT_FUNC initpyrfid() {
PyObject *m;
m = Py_InitModule("pyrfid", pyi_Methods);
pyi_Error = PyErr_NewException("pyrfid.error", NULL, NULL);
Py_INCREF(pyi_Error);
PyModule_AddObject(m, "error", pyi_Error);
return;
}
static PyObject *pyi_open(PyObject *self, PyObject *args) {
rfid_init();
rh = rfid_reader_open(NULL, RFID_READER_OPENPCD);
if (!rh)
return Py_BuildValue("i", 1);
else
return Py_BuildValue("i", 0);
}
static PyObject *pyi_close(PyObject *self, PyObject *args) {
rfid_reader_close(rh);
// Py_INCREF(Py_None);
// return Py_None;
return Py_BuildValue("i", 0);
}
static PyObject *pyi_rfidscan(PyObject *self, PyObject *args) {
int rc;
rc = rfid_scan(rh, &l2h, &ph);
return Py_BuildValue("i", rc);
}
static PyObject *pyi_rfidlayeropt(PyObject *self, PyObject *args) {
unsigned char uid_buf[16];
char card_id[16];
unsigned int uid_len = sizeof(uid_buf);
rfid_layer2_getopt(l2h, RFID_OPT_LAYER2_UID, &uid_buf,
&uid_len);
strcpy(card_id,hexdump(uid_buf, uid_len));
return Py_BuildValue("s", card_id);
}
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