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Move nfc_emulate_target() from examples to the library.

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This commit is contained in:
Romain Tartiere 2011-03-13 14:31:06 +00:00
parent 4dad8c2307
commit 0f0fa2b14f
6 changed files with 148 additions and 84 deletions
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13
libnfc/Makefile.am
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@ -3,9 +3,18 @@ SUBDIRS = chips buses drivers .
# set the include path found by configure
INCLUDES = $(all_includes) $(LIBNFC_CFLAGS)
noinst_HEADERS = drivers.h mirror-subr.h nfc-internal.h
noinst_HEADERS = \
drivers.h \
iso7816.h \
mirror-subr.h \
nfc-internal.h
lib_LTLIBRARIES = libnfc.la
libnfc_la_SOURCES = nfc.c iso14443-subr.c mirror-subr.c nfc-device.c
libnfc_la_SOURCES = \
iso14443-subr.c \
mirror-subr.c \
nfc.c \
nfc-device.c \
nfc-emulation.c
libnfc_la_LDFLAGS = -no-undefined -version-info 1:0:0
libnfc_la_CFLAGS = @DRIVERS_CFLAGS@
libnfc_la_LIBADD = \

31
libnfc/iso7816.h Normal file
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@ -0,0 +1,31 @@
/*-
* Public platform independent Near Field Communication (NFC) library
*
* Copyright (C) 2011, Romuald Conty, Romain Tartière
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 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 Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#ifndef __ISO7816_H__
#define __ISO7816_H__
#define ISO7816_C_APDU_COMMAND_HEADER_LEN 4
#define ISO7816_SHORT_APDU_MAX_DATA_LEN 256
#define ISO7816_SHORT_C_APDU_MAX_OVERHEAD 2
#define ISO7816_SHORT_R_APDU_RESPONSE_TRAILER_LEN 2
#define ISO7816_SHORT_C_APDU_MAX_LEN (ISO7816_C_APDU_COMMAND_HEADER_LEN + ISO7816_SHORT_APDU_MAX_DATA_LEN + ISO7816_SHORT_C_APDU_MAX_OVERHEAD)
#define ISO7816_SHORT_R_APDU_MAX_LEN (ISO7816_SHORT_APDU_MAX_DATA_LEN + ISO7816_SHORT_R_APDU_RESPONSE_TRAILER_LEN)
#endif

51
libnfc/nfc-emulation.c Normal file
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@ -0,0 +1,51 @@
/*-
* Public platform independent Near Field Communication (NFC) library
*
* Copyright (C) 2011, Romuald Conty, Romain Tartière
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 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 Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#include <nfc/nfc.h>
#include <nfc/nfc-emulation.h>
#include "iso7816.h"
int
nfc_emulate_target (nfc_device_t* pnd, struct nfc_emulator *emulator)
{
byte_t abtRx[ISO7816_SHORT_R_APDU_MAX_LEN];
size_t szRx = sizeof(abtRx);
byte_t abtTx[ISO7816_SHORT_C_APDU_MAX_LEN];
int res = 0;
if (!nfc_target_init (pnd, emulator->target, abtRx, &szRx)) {
return -1;
}
while (res >= 0) {
res = emulator->state_machine->io (emulator, abtRx, szRx, abtTx, sizeof (abtTx));
if (res > 0) {
if (!nfc_target_send_bytes(pnd, abtTx, res)) {
return -1;
}
}
if (res >= 0) {
if (!nfc_target_receive_bytes(pnd, abtRx, &szRx)) {
return -1;
}
}
}
return 0;
}