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/* main_reqa - OpenPCD firmware for generating an endless loop of
* ISO 14443-A REQA packets.
* (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
*
*/
/* If a response is received from the PICC, LED2 (green) will be switched
* on. If no valid response has been received within the timeout of the
* receiver, LED1 (Red) will be toggled.
*
*/
#include <errno.h>
#include <string.h>
#include <librfid/rfid_layer2_iso14443a.h>
#include "rc632.h"
#include <os/dbgu.h>
#include <os/led.h>
#include <os/trigger.h>
#include <os/pcd_enumerate.h>
#include <os/main.h>
#include <pcd/rc632_highlevel.h>
#include <librfid/rfid_reader.h>
#include <librfid/rfid_layer2.h>
#include <librfid/rfid_protocol.h>
#define RAH NULL
static struct rfid_reader_handle *rh;
static struct rfid_layer2_handle *l2h;
void _init_func(void)
{
trigger_init();
rc632_init();
DEBUGPCRF("turning on RF");
rc632_turn_on_rf(RAH);
/* FIXME: do we need this? */
DEBUGPCRF("initializing 14443A operation");
rh = rfid_reader_open(NULL, RFID_READER_OPENPCD);
l2h = rfid_layer2_init(rh, RFID_LAYER2_ISO14443A);
/* Switch to 848kBps (1subcp / bit) */
//opcd_rc632_clear_bits(RAH, RC632_REG_RX_CONTROL1, RC632_RXCTRL1_SUBCP_MASK);
}
int _main_dbgu(char key)
{
static char ana_out_sel;
int ret = -EINVAL;
switch (key) {
case 'q':
ana_out_sel--;
ret = 1;
break;
case 'w':
ana_out_sel++;
ret = 1;
break;
case 'c':
rc632_turn_on_rf(RAH);
break;
case 'o':
rc632_turn_off_rf(RAH);
break;
}
if (ana_out_sel >= 0xd)
ana_out_sel = 0;
if (ret == 1) {
ana_out_sel &= 0x0f;
DEBUGPCR("switching to analog output mode 0x%x\n", ana_out_sel);
opcd_rc632_reg_write(RAH, RC632_REG_TEST_ANA_SELECT, ana_out_sel);
}
return ret;
}
void _main_func(void)
{
#if 1
struct iso14443a_atqa atqa;
memset(&atqa, 0, sizeof(atqa));
trigger_pulse();
if (iso14443a_transceive_sf(l2h, ISO14443A_SF_CMD_WUPA, &atqa) < 0) {
DEBUGPCRF("error during transceive_sf");
led_switch(1, 0);
} else {
DEBUGPCRF("received ATQA: %s\n", hexdump((char *)&atqa, sizeof(atqa)));
led_switch(1, 1);
}
#endif
led_toggle(2);
}
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