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/* main_librfid - 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 "../openpcd.h"
static struct rfid_reader_handle *rh;
static struct rfid_layer2_handle *l2h;
static struct rfid_protocol_handle *ph;
void _init_func(void)
{
trigger_init();
rc632_init();
rc632_test();
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;
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));
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);
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);
}
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